[Common] Add centrality estimator using FT0C and the outer channels from FT0A

[jesgum]

This PR adds the centrality estimator FT0MOuterA which as the title mentions, uses both A and C side. However, the inner channels on the A side (the channels that saturate) are excluded.

Tagging @ddobrigk

[github-actions]

O2 linter results: ❌ 34 errors, ⚠️ 37 warnings, 🔕 0 disabled

[alibuild]

Error while checking build/O2Physics/code-check for 3e42959 at 2026-08-24 22:59:

## sw/BUILD/O2Physics-code-check-latest/log
--
========== List of issues found ==========
++ echo 'Found 28 errors and 54 warnings.'
Found 28 errors and 54 warnings.
++ [[ 28 -gt 0 ]]
++ cat /sw/BUILD/126bff3502e2c982611e74df2a7c4a98dcae52e4/O2Physics-code-check/errors.txt
Common/Tools/Multiplicity/MultModule.h:317:80: error: do not implicitly decay an array into a pointer; consider using gsl::array_view or an explicit cast instead [cppcoreguidelines-pro-bounds-array-to-pointer-decay,-warnings-as-errors]
Common/Tools/Multiplicity/MultModule.h:357:5: error: 'mRunNumber' should be initialized in a member initializer of the constructor [cppcoreguidelines-prefer-member-initializer,-warnings-as-errors]
Common/Tools/Multiplicity/MultModule.h:358:5: error: 'mRunNumberCentrality' should be initialized in a member initializer of the constructor [cppcoreguidelines-prefer-member-initializer,-warnings-as-errors]
Common/Tools/Multiplicity/MultModule.h:359:5: error: 'lCalibLoaded' should be initialized in a member initializer of the constructor [cppcoreguidelines-prefer-member-initializer,-warnings-as-errors]
Common/Tools/Multiplicity/MultModule.h:360:5: error: 'lCalibObjects' should be initialized in a member initializer of the constructor [cppcoreguidelines-prefer-member-initializer,-warnings-as-errors]
Common/Tools/Multiplicity/MultModule.h:361:5: error: 'hVtxZFV0A' should be initialized in a member initializer of the constructor [cppcoreguidelines-prefer-member-initializer,-warnings-as-errors]
Common/Tools/Multiplicity/MultModule.h:362:5: error: 'hVtxZFT0A' should be initialized in a member initializer of the constructor [cppcoreguidelines-prefer-member-initializer,-warnings-as-errors]
Common/Tools/Multiplicity/MultModule.h:363:5: error: 'hVtxZFT0C' should be initialized in a member initializer of the constructor [cppcoreguidelines-prefer-member-initializer,-warnings-as-errors]
Common/Tools/Multiplicity/MultModule.h:364:5: error: 'hVtxZFDDA' should be initialized in a member initializer of the constructor [cppcoreguidelines-prefer-member-initializer,-warnings-as-errors]
Common/Tools/Multiplicity/MultModule.h:365:5: error: 'hVtxZFDDC' should be initialized in a member initializer of the constructor [cppcoreguidelines-prefer-member-initializer,-warnings-as-errors]
Common/Tools/Multiplicity/MultModule.h:366:5: error: 'hVtxZNTracks' should be initialized in a member initializer of the constructor [cppcoreguidelines-prefer-member-initializer,-warnings-as-errors]
Common/Tools/Multiplicity/MultModule.h:367:5: error: 'hVtxZNMFTTracks' should be initialized in a member initializer of the constructor [cppcoreguidelines-prefer-member-initializer,-warnings-as-errors]
Common/Tools/Multiplicity/MultModule.h:368:5: error: 'hVtxZNGlobalTracks' should be initialized in a member initializer of the constructor [cppcoreguidelines-prefer-member-initializer,-warnings-as-errors]
Common/Tools/Multiplicity/MultModule.h:432:14: error: parameter 'name' is passed by value and only copied once; consider moving it to avoid unnecessary copies [performance-unnecessary-value-param,-warnings-as-errors]
Common/Tools/Multiplicity/MultModule.h:689:23: error: do not use static_cast to downcast from a base to a derived class; use dynamic_cast instead [cppcoreguidelines-pro-type-static-cast-downcast,-warnings-as-errors]
Common/Tools/Multiplicity/MultModule.h:690:23: error: do not use static_cast to downcast from a base to a derived class; use dynamic_cast instead [cppcoreguidelines-pro-type-static-cast-downcast,-warnings-as-errors]
Common/Tools/Multiplicity/MultModule.h:691:23: error: do not use static_cast to downcast from a base to a derived class; use dynamic_cast instead [cppcoreguidelines-pro-type-static-cast-downcast,-warnings-as-errors]
Common/Tools/Multiplicity/MultModule.h:692:23: error: do not use static_cast to downcast from a base to a derived class; use dynamic_cast instead [cppcoreguidelines-pro-type-static-cast-downcast,-warnings-as-errors]
Common/Tools/Multiplicity/MultModule.h:693:23: error: do not use static_cast to downcast from a base to a derived class; use dynamic_cast instead [cppcoreguidelines-pro-type-static-cast-downcast,-warnings-as-errors]
Common/Tools/Multiplicity/MultModule.h:694:26: error: do not use static_cast to downcast from a base to a derived class; use dynamic_cast instead [cppcoreguidelines-pro-type-static-cast-downcast,-warnings-as-errors]
Common/Tools/Multiplicity/MultModule.h:695:29: error: do not use static_cast to downcast from a base to a derived class; use dynamic_cast instead [cppcoreguidelines-pro-type-static-cast-downcast,-warnings-as-errors]
Common/Tools/Multiplicity/MultModule.h:696:32: error: do not use static_cast to downcast from a base to a derived class; use dynamic_cast instead [cppcoreguidelines-pro-type-static-cast-downcast,-warnings-as-errors]
Common/Tools/Multiplicity/MultModule.h:1099:20: error: do not use reinterpret_cast [cppcoreguidelines-pro-type-reinterpret-cast,-warnings-as-errors]
Common/Tools/Multiplicity/MultModule.h:1103:25: error: do not use reinterpret_cast [cppcoreguidelines-pro-type-reinterpret-cast,-warnings-as-errors]
Common/Tools/Multiplicity/MultModule.h:1253:119: error: the const qualified parameter 'generatorName' is copied for each invocation; consider making it a reference [performance-unnecessary-value-param,-warnings-as-errors]
Common/Tools/Multiplicity/MultModule.h:1254:38: error: do not use reinterpret_cast [cppcoreguidelines-pro-type-reinterpret-cast,-warnings-as-errors]
Common/Tools/Multiplicity/MultModule.h:1255:32: error: do not use reinterpret_cast [cppcoreguidelines-pro-type-reinterpret-cast,-warnings-as-errors]
Common/Tools/Multiplicity/MultModule.h:1449:19: error: variable 'v0m' is not initialized [cppcoreguidelines-init-variables,-warnings-as-errors]
++ [[ 54 -gt 0 ]]
++ cat /sw/BUILD/126bff3502e2c982611e74df2a7c4a98dcae52e4/O2Physics-code-check/warnings.txt
Common/Tools/Multiplicity/MultModule.h:49:1: warning: nested namespaces can be concatenated [modernize-concat-nested-namespaces]
Common/Tools/Multiplicity/MultModule.h:107:14: warning: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays]
Common/Tools/Multiplicity/MultModule.h:394:5: warning: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays]
Common/Tools/Multiplicity/MultModule.h:426:17: warning: redundant string initialization [readability-redundant-string-init]
Common/Tools/Multiplicity/MultModule.h:429:5: warning: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays]
Common/Tools/Multiplicity/MultModule.h:433:9: warning: member initializer for 'mCalibrationStored' is redundant [modernize-use-default-member-init]
Common/Tools/Multiplicity/MultModule.h:434:9: warning: member initializer for 'mhMultSelCalib' is redundant [modernize-use-default-member-init]
Common/Tools/Multiplicity/MultModule.h:435:9: warning: member initializer for 'mMCScalePars' is redundant [modernize-use-default-member-init]
Common/Tools/Multiplicity/MultModule.h:436:9: warning: member initializer for 'mMCScale' is redundant [modernize-use-default-member-init]
Common/Tools/Multiplicity/MultModule.h:482:5: warning: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays]
Common/Tools/Multiplicity/MultModule.h:674:13: warning: the 'empty' method should be used to check for emptiness instead of comparing to an empty object [readability-container-size-empty]
Common/Tools/Multiplicity/MultModule.h:872:32: warning: statement should be inside braces [readability-braces-around-statements]
[0 more errors; see full log]

Full log here.

[alibuild]

Error while checking build/O2Physics/staging for 3e42959 at 2026-08-23 18:31:

## sw/BUILD/O2Physics-latest/log
c++: fatal error: Killed signal terminated program cc1plus
c++: fatal error: Killed signal terminated program cc1plus
ninja: build stopped: subcommand failed.

Full log here.

[alibuild]

Error while checking build/O2Physics/o2 for 3e42959 at 2026-08-23 13:57:

## sw/BUILD/O2Physics-latest/log
2026-08-23T04:02:11.648+0200 [5666:139989894921856] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "ActionCache.GetActionResult()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
2026-08-23T04:02:11.651+0200 [5666:139989894921856] [executioncontext.cpp:544] [ERROR] Error while querying action cache at "http://localhost:8980": 14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame
2026-08-23T04:04:43.478+0200 [5666:139989894921856] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "FindMissingBlobs()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
2026-08-23T04:05:08.837+0200 [5704:139820981091968] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "ActionCache.GetActionResult()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
2026-08-23T04:05:08.837+0200 [5704:139820981091968] [executioncontext.cpp:544] [ERROR] Error while querying action cache at "http://localhost:8980": 14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame
2026-08-23T04:09:26.597+0200 [5704:139820981091968] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "FindMissingBlobs()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
2026-08-23T04:09:49.162+0200 [5732:139911855365760] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "ActionCache.GetActionResult()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
2026-08-23T04:09:49.163+0200 [5732:139911855365760] [executioncontext.cpp:544] [ERROR] Error while querying action cache at "http://localhost:8980": 14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame
2026-08-23T04:13:00.741+0200 [5732:139911855365760] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "FindMissingBlobs()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
2026-08-23T04:13:27.675+0200 [5770:140656845627008] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "ActionCache.GetActionResult()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
2026-08-23T04:13:27.675+0200 [5770:140656845627008] [executioncontext.cpp:544] [ERROR] Error while querying action cache at "http://localhost:8980": 14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame
2026-08-23T04:18:02.160+0200 [5770:140656845627008] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "FindMissingBlobs()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
2026-08-23T04:18:24.756+0200 [5798:139851143224960] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "ActionCache.GetActionResult()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
2026-08-23T04:18:24.756+0200 [5798:139851143224960] [executioncontext.cpp:544] [ERROR] Error while querying action cache at "http://localhost:8980": 14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame
2026-08-23T04:24:37.787+0200 [5798:139851143224960] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "FindMissingBlobs()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
2026-08-23T04:25:04.647+0200 [5836:140406788071040] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "ActionCache.GetActionResult()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
2026-08-23T04:25:04.648+0200 [5836:140406788071040] [executioncontext.cpp:544] [ERROR] Error while querying action cache at "http://localhost:8980": 14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame
2026-08-23T04:31:32.140+0200 [5836:140406788071040] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "FindMissingBlobs()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
2026-08-23T04:31:55.040+0200 [5864:139683343154816] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "ActionCache.GetActionResult()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
2026-08-23T04:31:55.040+0200 [5864:139683343154816] [executioncontext.cpp:544] [ERROR] Error while querying action cache at "http://localhost:8980": 14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame
2026-08-23T04:35:05.278+0200 [5864:139683343154816] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "FindMissingBlobs()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
2026-08-23T04:35:31.956+0200 [5902:139804391915136] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "ActionCache.GetActionResult()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
2026-08-23T04:35:31.957+0200 [5902:139804391915136] [executioncontext.cpp:544] [ERROR] Error while querying action cache at "http://localhost:8980": 14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame
2026-08-23T04:50:09.099+0200 [5902:139804391915136] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "FindMissingBlobs()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
2026-08-23T04:50:32.319+0200 [5930:140436311936640] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "ActionCache.GetActionResult()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
2026-08-23T04:50:32.319+0200 [5930:140436311936640] [executioncontext.cpp:544] [ERROR] Error while querying action cache at "http://localhost:8980": 14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame
2026-08-23T05:02:56.888+0200 [5930:140436311936640] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "FindMissingBlobs()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
2026-08-23T05:03:30.020+0200 [5968:140585148206720] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "ActionCache.GetActionResult()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
2026-08-23T05:03:30.020+0200 [5968:140585148206720] [executioncontext.cpp:544] [ERROR] Error while querying action cache at "http://localhost:8980": 14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame
2026-08-23T05:15:13.496+0200 [5968:140585148206720] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "FindMissingBlobs()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
2026-08-23T05:15:36.784+0200 [5996:140585133969024] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "ActionCache.GetActionResult()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
2026-08-23T05:15:36.784+0200 [5996:140585133969024] [executioncontext.cpp:544] [ERROR] Error while querying action cache at "http://localhost:8980": 14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame
2026-08-23T05:27:01.425+0200 [5996:140585133969024] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "FindMissingBlobs()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
2026-08-23T05:27:33.566+0200 [6034:140569816477312] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "ActionCache.GetActionResult()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
2026-08-23T05:27:33.566+0200 [6034:140569816477312] [executioncontext.cpp:544] [ERROR] Error while querying action cache at "http://localhost:8980": 14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame
2026-08-23T05:39:46.012+0200 [6034:140569816477312] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "FindMissingBlobs()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
2026-08-23T05:40:09.165+0200 [6062:139658096209536] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "ActionCache.GetActionResult()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
2026-08-23T05:40:09.166+0200 [6062:139658096209536] [executioncontext.cpp:544] [ERROR] Error while querying action cache at "http://localhost:8980": 14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame
2026-08-23T05:53:15.158+0200 [6062:139658096209536] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "FindMissingBlobs()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
2026-08-23T05:53:47.362+0200 [6100:139923201904256] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "ActionCache.GetActionResult()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
2026-08-23T05:53:47.362+0200 [6100:139923201904256] [executioncontext.cpp:544] [ERROR] Error while querying action cache at "http://localhost:8980": 14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame
2026-08-23T06:10:07.194+0200 [6100:139923201904256] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "FindMissingBlobs()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
2026-08-23T06:10:30.459+0200 [6128:139891966250624] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "ActionCache.GetActionResult()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
2026-08-23T06:10:30.460+0200 [6128:139891966250624] [executioncontext.cpp:544] [ERROR] Error while querying action cache at "http://localhost:8980": 14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame
2026-08-23T06:21:28.387+0200 [6128:139891966250624] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "FindMissingBlobs()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
2026-08-23T06:22:01.227+0200 [6166:140402169564800] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "ActionCache.GetActionResult()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
2026-08-23T06:22:01.227+0200 [6166:140402169564800] [executioncontext.cpp:544] [ERROR] Error while querying action cache at "http://localhost:8980": 14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame
2026-08-23T06:28:01.496+0200 [6166:140402169564800] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "FindMissingBlobs()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8980: connection attempt timed out before receiving SETTINGS frame]
[0 more errors; see full log]

Full log here.