[INFO] fetching crate cpuburn 0.1.1...
[INFO] testing cpuburn-0.1.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate cpuburn 0.1.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate cpuburn 0.1.1
[INFO] finished tweaking crates.io crate cpuburn 0.1.1
[INFO] tweaked toml for crates.io crate cpuburn 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cpuburn 0.1.1 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 cpuburn 0.1.1 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] 8d0565473d7789332caed21b88fb67aa0add464b639ef8d52404d7e4b2d3cd89
[INFO] running `Command { std: "docker" "start" "-a" "8d0565473d7789332caed21b88fb67aa0add464b639ef8d52404d7e4b2d3cd89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d0565473d7789332caed21b88fb67aa0add464b639ef8d52404d7e4b2d3cd89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d0565473d7789332caed21b88fb67aa0add464b639ef8d52404d7e4b2d3cd89", kill_on_drop: false }`
[INFO] [stdout] 8d0565473d7789332caed21b88fb67aa0add464b639ef8d52404d7e4b2d3cd89
[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] 6f7d839e3e3badbb112b99f98c015205f54d5eb78b736ff0ee0da41138208c98
[INFO] running `Command { std: "docker" "start" "-a" "6f7d839e3e3badbb112b99f98c015205f54d5eb78b736ff0ee0da41138208c98", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling cpuburn v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "6f7d839e3e3badbb112b99f98c015205f54d5eb78b736ff0ee0da41138208c98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f7d839e3e3badbb112b99f98c015205f54d5eb78b736ff0ee0da41138208c98", kill_on_drop: false }`
[INFO] [stdout] 6f7d839e3e3badbb112b99f98c015205f54d5eb78b736ff0ee0da41138208c98
[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] 5b1779117f1bd4af80a8cca8657d885e006139543b597d1fa30a01bac4e68c1b
[INFO] running `Command { std: "docker" "start" "-a" "5b1779117f1bd4af80a8cca8657d885e006139543b597d1fa30a01bac4e68c1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling cpuburn v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "5b1779117f1bd4af80a8cca8657d885e006139543b597d1fa30a01bac4e68c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b1779117f1bd4af80a8cca8657d885e006139543b597d1fa30a01bac4e68c1b", kill_on_drop: false }`
[INFO] [stdout] 5b1779117f1bd4af80a8cca8657d885e006139543b597d1fa30a01bac4e68c1b
[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] aa12892f9de0a5e8d7a24fca8c1d86c95250e984dc8b6f9df8e16f7696e87048
[INFO] running `Command { std: "docker" "start" "-a" "aa12892f9de0a5e8d7a24fca8c1d86c95250e984dc8b6f9df8e16f7696e87048", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cpuburn-9b0b4db3ddbc7d0f)
[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" "aa12892f9de0a5e8d7a24fca8c1d86c95250e984dc8b6f9df8e16f7696e87048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa12892f9de0a5e8d7a24fca8c1d86c95250e984dc8b6f9df8e16f7696e87048", kill_on_drop: false }`
[INFO] [stdout] aa12892f9de0a5e8d7a24fca8c1d86c95250e984dc8b6f9df8e16f7696e87048