[INFO] fetching crate toolchains 0.1.0...
[INFO] testing toolchains-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate toolchains 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate toolchains 0.1.0
[INFO] finished tweaking crates.io crate toolchains 0.1.0
[INFO] tweaked toml for crates.io crate toolchains 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate toolchains 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate toolchains 0.1.0 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-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 215f140e7f984bc5b11cc6b690fdca3b3403c2d744042f7b155bd98762c9b343
[INFO] running `Command { std: "docker" "start" "-a" "215f140e7f984bc5b11cc6b690fdca3b3403c2d744042f7b155bd98762c9b343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "215f140e7f984bc5b11cc6b690fdca3b3403c2d744042f7b155bd98762c9b343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "215f140e7f984bc5b11cc6b690fdca3b3403c2d744042f7b155bd98762c9b343", kill_on_drop: false }`
[INFO] [stdout] 215f140e7f984bc5b11cc6b690fdca3b3403c2d744042f7b155bd98762c9b343
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e8a36311bac2bdfe55f0b0a25ac1b669c8c43e67cb2bedce2acaedaa2eb509f
[INFO] running `Command { std: "docker" "start" "-a" "3e8a36311bac2bdfe55f0b0a25ac1b669c8c43e67cb2bedce2acaedaa2eb509f", kill_on_drop: false }`
[INFO] [stderr]    Compiling toolchains v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "3e8a36311bac2bdfe55f0b0a25ac1b669c8c43e67cb2bedce2acaedaa2eb509f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e8a36311bac2bdfe55f0b0a25ac1b669c8c43e67cb2bedce2acaedaa2eb509f", kill_on_drop: false }`
[INFO] [stdout] 3e8a36311bac2bdfe55f0b0a25ac1b669c8c43e67cb2bedce2acaedaa2eb509f
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 103b5db53a0cd97ebe0d1be6d5fad68c03ce9fb81e1370ca9e032a9ba8a71c17
[INFO] running `Command { std: "docker" "start" "-a" "103b5db53a0cd97ebe0d1be6d5fad68c03ce9fb81e1370ca9e032a9ba8a71c17", kill_on_drop: false }`
[INFO] [stderr]    Compiling toolchains v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "103b5db53a0cd97ebe0d1be6d5fad68c03ce9fb81e1370ca9e032a9ba8a71c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "103b5db53a0cd97ebe0d1be6d5fad68c03ce9fb81e1370ca9e032a9ba8a71c17", kill_on_drop: false }`
[INFO] [stdout] 103b5db53a0cd97ebe0d1be6d5fad68c03ce9fb81e1370ca9e032a9ba8a71c17
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 346f2dc3e6ed4235683ceb6332f99040f96d378e335f9d84459c5cae21c3c1a8
[INFO] running `Command { std: "docker" "start" "-a" "346f2dc3e6ed4235683ceb6332f99040f96d378e335f9d84459c5cae21c3c1a8", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/toolchains-1dffc6111afe49a0)
[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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/toolchains-d78a9175e315ba4f)
[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 toolchains
[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" "346f2dc3e6ed4235683ceb6332f99040f96d378e335f9d84459c5cae21c3c1a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "346f2dc3e6ed4235683ceb6332f99040f96d378e335f9d84459c5cae21c3c1a8", kill_on_drop: false }`
[INFO] [stdout] 346f2dc3e6ed4235683ceb6332f99040f96d378e335f9d84459c5cae21c3c1a8
