[INFO] fetching crate free-cpus 2.0.0...
[INFO] testing free-cpus-2.0.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate free-cpus 2.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate free-cpus 2.0.0
[INFO] finished tweaking crates.io crate free-cpus 2.0.0
[INFO] tweaked toml for crates.io crate free-cpus 2.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate free-cpus 2.0.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3ca1e41bd2a3d5d530e74e78a579a0eebc820e48f4e1a2878a098e5862b8266b
[INFO] running `Command { std: "docker" "start" "-a" "3ca1e41bd2a3d5d530e74e78a579a0eebc820e48f4e1a2878a098e5862b8266b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ca1e41bd2a3d5d530e74e78a579a0eebc820e48f4e1a2878a098e5862b8266b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ca1e41bd2a3d5d530e74e78a579a0eebc820e48f4e1a2878a098e5862b8266b", kill_on_drop: false }`
[INFO] [stdout] 3ca1e41bd2a3d5d530e74e78a579a0eebc820e48f4e1a2878a098e5862b8266b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] bbdd6c1ab7b178845e012f6392a39f00b871d86c2a31355f56c4eb289154a39d
[INFO] running `Command { std: "docker" "start" "-a" "bbdd6c1ab7b178845e012f6392a39f00b871d86c2a31355f56c4eb289154a39d", kill_on_drop: false }`
[INFO] [stderr]    Compiling free-cpus v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "bbdd6c1ab7b178845e012f6392a39f00b871d86c2a31355f56c4eb289154a39d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbdd6c1ab7b178845e012f6392a39f00b871d86c2a31355f56c4eb289154a39d", kill_on_drop: false }`
[INFO] [stdout] bbdd6c1ab7b178845e012f6392a39f00b871d86c2a31355f56c4eb289154a39d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 023f1ffc5bb7fb2b316ff601fcf974b0a5863d4ef32cbc94da37ec4042725fd7
[INFO] running `Command { std: "docker" "start" "-a" "023f1ffc5bb7fb2b316ff601fcf974b0a5863d4ef32cbc94da37ec4042725fd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling free-cpus v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "023f1ffc5bb7fb2b316ff601fcf974b0a5863d4ef32cbc94da37ec4042725fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "023f1ffc5bb7fb2b316ff601fcf974b0a5863d4ef32cbc94da37ec4042725fd7", kill_on_drop: false }`
[INFO] [stdout] 023f1ffc5bb7fb2b316ff601fcf974b0a5863d4ef32cbc94da37ec4042725fd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5fad24944c94dd5c36ed31dbf54ef44d47313ac080ff2d4ca361339cdb0033ca
[INFO] running `Command { std: "docker" "start" "-a" "5fad24944c94dd5c36ed31dbf54ef44d47313ac080ff2d4ca361339cdb0033ca", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/free_cpus-6672041b59c172f2)
[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 free_cpus
[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" "5fad24944c94dd5c36ed31dbf54ef44d47313ac080ff2d4ca361339cdb0033ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fad24944c94dd5c36ed31dbf54ef44d47313ac080ff2d4ca361339cdb0033ca", kill_on_drop: false }`
[INFO] [stdout] 5fad24944c94dd5c36ed31dbf54ef44d47313ac080ff2d4ca361339cdb0033ca