[INFO] fetching crate serde_prom 0.2.0...
[INFO] building serde_prom-0.2.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate serde_prom 0.2.0 into /workspace/builds/worker-2-tc1/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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_prom 0.2.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum v0.27.1
[INFO] [stderr]   Downloaded anyhow v1.0.97
[INFO] [stderr]   Downloaded auto_ops v0.3.0
[INFO] [stderr]   Downloaded pest_generator v2.7.15
[INFO] [stderr]   Downloaded pest_derive v2.7.15
[INFO] [stderr]   Downloaded openmetrics-parser v0.4.4
[INFO] [stderr]   Downloaded pest v2.7.15
[INFO] [stderr]   Downloaded pest_meta v2.7.15
[INFO] [stderr]   Downloaded strum_macros v0.27.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7564528653d4d65eb3e6eaaa750a43ec170b08b76c886be11cfe6a90c006d467
[INFO] running `Command { std: "docker" "start" "-a" "7564528653d4d65eb3e6eaaa750a43ec170b08b76c886be11cfe6a90c006d467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7564528653d4d65eb3e6eaaa750a43ec170b08b76c886be11cfe6a90c006d467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7564528653d4d65eb3e6eaaa750a43ec170b08b76c886be11cfe6a90c006d467", kill_on_drop: false }`
[INFO] [stdout] 7564528653d4d65eb3e6eaaa750a43ec170b08b76c886be11cfe6a90c006d467
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8660277cba35bc11255f6aeae5e8074a4d05d18cdbead6c0c5ff587c7ea59ed7
[INFO] running `Command { std: "docker" "start" "-a" "8660277cba35bc11255f6aeae5e8074a4d05d18cdbead6c0c5ff587c7ea59ed7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling strum v0.27.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling indexmap v2.8.0
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling strum_macros v0.27.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_prom v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.14s
[INFO] running `Command { std: "docker" "inspect" "8660277cba35bc11255f6aeae5e8074a4d05d18cdbead6c0c5ff587c7ea59ed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8660277cba35bc11255f6aeae5e8074a4d05d18cdbead6c0c5ff587c7ea59ed7", kill_on_drop: false }`
[INFO] [stdout] 8660277cba35bc11255f6aeae5e8074a4d05d18cdbead6c0c5ff587c7ea59ed7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c00a8979b4a4bda72c5ba7400809e9d1101ca0cfb840676edd9a82ea13785b7
[INFO] running `Command { std: "docker" "start" "-a" "5c00a8979b4a4bda72c5ba7400809e9d1101ca0cfb840676edd9a82ea13785b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling once_cell v1.21.1
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling yansi v1.0.1
[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 10.28s
[INFO] running `Command { std: "docker" "inspect" "5c00a8979b4a4bda72c5ba7400809e9d1101ca0cfb840676edd9a82ea13785b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c00a8979b4a4bda72c5ba7400809e9d1101ca0cfb840676edd9a82ea13785b7", kill_on_drop: false }`
[INFO] [stdout] 5c00a8979b4a4bda72c5ba7400809e9d1101ca0cfb840676edd9a82ea13785b7