[INFO] fetching crate serde_prom 0.2.0...
[INFO] testing serde_prom-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate serde_prom 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate serde_prom 0.2.0
[INFO] finished tweaking crates.io crate serde_prom 0.2.0
[INFO] tweaked toml for crates.io crate serde_prom 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_prom 0.2.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serde_prom 0.2.0 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 463ae5cae937924b47a3c7581217508d57bd2a5a3cc455719abe019b65f5545a
[INFO] running `Command { std: "docker" "start" "-a" "463ae5cae937924b47a3c7581217508d57bd2a5a3cc455719abe019b65f5545a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "463ae5cae937924b47a3c7581217508d57bd2a5a3cc455719abe019b65f5545a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "463ae5cae937924b47a3c7581217508d57bd2a5a3cc455719abe019b65f5545a", kill_on_drop: false }`
[INFO] [stdout] 463ae5cae937924b47a3c7581217508d57bd2a5a3cc455719abe019b65f5545a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03714ca3f5ca77890b0c5f721bed9a87fa602e307bd032b529c71eb22d2cd33c
[INFO] running `Command { std: "docker" "start" "-a" "03714ca3f5ca77890b0c5f721bed9a87fa602e307bd032b529c71eb22d2cd33c", kill_on_drop: false }`
[INFO] [stderr]    Compiling strum v0.27.1
[INFO] [stderr]    Compiling strum_macros v0.27.1
[INFO] [stderr]    Compiling serde_prom v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `Command { std: "docker" "inspect" "03714ca3f5ca77890b0c5f721bed9a87fa602e307bd032b529c71eb22d2cd33c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03714ca3f5ca77890b0c5f721bed9a87fa602e307bd032b529c71eb22d2cd33c", kill_on_drop: false }`
[INFO] [stdout] 03714ca3f5ca77890b0c5f721bed9a87fa602e307bd032b529c71eb22d2cd33c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c40f150c935e95b69d1d0c5526fd2bb62f86cad39cb053507d46ad8350ed9397
[INFO] running `Command { std: "docker" "start" "-a" "c40f150c935e95b69d1d0c5526fd2bb62f86cad39cb053507d46ad8350ed9397", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.21.1
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling auto_ops v0.3.0
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]    Compiling pest v2.7.15
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling pest_meta v2.7.15
[INFO] [stderr]    Compiling pest_generator v2.7.15
[INFO] [stderr]    Compiling pest_derive v2.7.15
[INFO] [stderr]    Compiling openmetrics-parser v0.4.4
[INFO] [stderr]    Compiling serde_prom v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.55s
[INFO] running `Command { std: "docker" "inspect" "c40f150c935e95b69d1d0c5526fd2bb62f86cad39cb053507d46ad8350ed9397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c40f150c935e95b69d1d0c5526fd2bb62f86cad39cb053507d46ad8350ed9397", kill_on_drop: false }`
[INFO] [stdout] c40f150c935e95b69d1d0c5526fd2bb62f86cad39cb053507d46ad8350ed9397
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 005b2375b48d54dfe251f0be0f79af6a13f05e2ae7311e40ca0c1a033047aa9e
[INFO] running `Command { std: "docker" "start" "-a" "005b2375b48d54dfe251f0be0f79af6a13f05e2ae7311e40ca0c1a033047aa9e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_prom-db9f2f64c6377493)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::serialize_nested ... ok
[INFO] [stdout] test tests::test_parse_simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_prom
[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" "005b2375b48d54dfe251f0be0f79af6a13f05e2ae7311e40ca0c1a033047aa9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "005b2375b48d54dfe251f0be0f79af6a13f05e2ae7311e40ca0c1a033047aa9e", kill_on_drop: false }`
[INFO] [stdout] 005b2375b48d54dfe251f0be0f79af6a13f05e2ae7311e40ca0c1a033047aa9e