[INFO] fetching crate linera-metrics 0.15.4...
[INFO] testing linera-metrics-0.15.4 against 1.90.0 for beta-1.91-3
[INFO] extracting crate linera-metrics 0.15.4 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate linera-metrics 0.15.4
[INFO] finished tweaking crates.io crate linera-metrics 0.15.4
[INFO] tweaked toml for crates.io crate linera-metrics 0.15.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate linera-metrics 0.15.4 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate linera-metrics 0.15.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_path_to_error v0.1.17
[INFO] [stderr]   Downloaded mappings v0.7.1
[INFO] [stderr]   Downloaded tikv-jemalloc-ctl v0.6.0
[INFO] [stderr]   Downloaded pprof_util v0.8.0
[INFO] [stderr]   Downloaded rgb v0.8.52
[INFO] [stderr]   Downloaded axum-core v0.5.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.97
[INFO] [stderr]   Downloaded clap v4.5.45
[INFO] [stderr]   Downloaded indexmap v2.10.0
[INFO] [stderr]   Downloaded protobuf v2.28.0
[INFO] [stderr]   Downloaded inferno v0.12.3
[INFO] [stderr]   Downloaded hyper v1.6.0
[INFO] [stderr]   Downloaded clap_builder v4.5.44
[INFO] [stderr]   Downloaded axum v0.8.4
[INFO] [stderr]   Downloaded quick-xml v0.37.5
[INFO] [stderr]   Downloaded serde_json v1.0.142
[INFO] [stderr]   Downloaded tokio-util v0.7.16
[INFO] [stderr]   Downloaded cc v1.2.32
[INFO] [stderr]   Downloaded prometheus v0.13.4
[INFO] [stderr]   Downloaded syn v2.0.105
[INFO] [stderr]   Downloaded io-uring v0.7.9
[INFO] [stderr]   Downloaded matchit v0.8.4
[INFO] [stderr]   Downloaded prost-derive v0.13.5
[INFO] [stderr]   Downloaded prost v0.13.5
[INFO] [stderr]   Downloaded jemalloc_pprof v0.8.1
[INFO] [stderr]   Downloaded tikv-jemalloc-sys v0.6.0+5.3.0-1-ge13ca993e8ccb9ba9847cc330696e02839f328f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e7d021de849081e9b2c4025f6ef716177e097c005ebe3871bc624ced0f38125
[INFO] running `Command { std: "docker" "start" "-a" "2e7d021de849081e9b2c4025f6ef716177e097c005ebe3871bc624ced0f38125", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e7d021de849081e9b2c4025f6ef716177e097c005ebe3871bc624ced0f38125", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e7d021de849081e9b2c4025f6ef716177e097c005ebe3871bc624ced0f38125", kill_on_drop: false }`
[INFO] [stdout] 2e7d021de849081e9b2c4025f6ef716177e097c005ebe3871bc624ced0f38125
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a59fadfda0e78136b2b69442d7c012049a299f831cd839883fdd534dbef9e603
[INFO] running `Command { std: "docker" "start" "-a" "a59fadfda0e78136b2b69442d7c012049a299f831cd839883fdd534dbef9e603", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.97
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling prometheus v0.13.4
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling matchit v0.8.4
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.105
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling serde_path_to_error v0.1.17
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling axum-core v0.5.2
[INFO] [stderr]    Compiling hyper v1.6.0
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling hyper-util v0.1.16
[INFO] [stderr]    Compiling axum v0.8.4
[INFO] [stderr]    Compiling linera-metrics v0.15.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.52s
[INFO] running `Command { std: "docker" "inspect" "a59fadfda0e78136b2b69442d7c012049a299f831cd839883fdd534dbef9e603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a59fadfda0e78136b2b69442d7c012049a299f831cd839883fdd534dbef9e603", kill_on_drop: false }`
[INFO] [stdout] a59fadfda0e78136b2b69442d7c012049a299f831cd839883fdd534dbef9e603
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de17b4831ca327d6628843d981019609b22e32261e17c433974d8d32ebe624fb
[INFO] running `Command { std: "docker" "start" "-a" "de17b4831ca327d6628843d981019609b22e32261e17c433974d8d32ebe624fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling linera-metrics v0.15.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "de17b4831ca327d6628843d981019609b22e32261e17c433974d8d32ebe624fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de17b4831ca327d6628843d981019609b22e32261e17c433974d8d32ebe624fb", kill_on_drop: false }`
[INFO] [stdout] de17b4831ca327d6628843d981019609b22e32261e17c433974d8d32ebe624fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8215025ae20ebf4b65529510bb87ba82fee8bd37fd6932f5a37a76d2865b9033
[INFO] running `Command { std: "docker" "start" "-a" "8215025ae20ebf4b65529510bb87ba82fee8bd37fd6932f5a37a76d2865b9033", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/linera_metrics-264eba9cf614df8d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests linera_metrics
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8215025ae20ebf4b65529510bb87ba82fee8bd37fd6932f5a37a76d2865b9033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8215025ae20ebf4b65529510bb87ba82fee8bd37fd6932f5a37a76d2865b9033", kill_on_drop: false }`
[INFO] [stdout] 8215025ae20ebf4b65529510bb87ba82fee8bd37fd6932f5a37a76d2865b9033