[INFO] fetching crate cargo-toolchain 0.1.0...
[INFO] testing cargo-toolchain-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate cargo-toolchain 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cargo-toolchain 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-toolchain 0.1.0
[INFO] finished tweaking crates.io crate cargo-toolchain 0.1.0
[INFO] tweaked toml for crates.io crate cargo-toolchain 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate cargo-toolchain 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79cefbe2cb6b403af28a23cd24a0d275b38745348ff94c2fc853e58ec29de91d
[INFO] running `Command { std: "docker" "start" "-a" "79cefbe2cb6b403af28a23cd24a0d275b38745348ff94c2fc853e58ec29de91d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79cefbe2cb6b403af28a23cd24a0d275b38745348ff94c2fc853e58ec29de91d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79cefbe2cb6b403af28a23cd24a0d275b38745348ff94c2fc853e58ec29de91d", kill_on_drop: false }`
[INFO] [stdout] 79cefbe2cb6b403af28a23cd24a0d275b38745348ff94c2fc853e58ec29de91d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3364f46467e1a5c0363836530290426be2453ef0fc1188d1fefb8f222286fe66
[INFO] running `Command { std: "docker" "start" "-a" "3364f46467e1a5c0363836530290426be2453ef0fc1188d1fefb8f222286fe66", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling cargo-toolchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "3364f46467e1a5c0363836530290426be2453ef0fc1188d1fefb8f222286fe66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3364f46467e1a5c0363836530290426be2453ef0fc1188d1fefb8f222286fe66", kill_on_drop: false }`
[INFO] [stdout] 3364f46467e1a5c0363836530290426be2453ef0fc1188d1fefb8f222286fe66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0600f208746f7f847c922864b782751757cbef06025849eacc19f73cb82582cf
[INFO] running `Command { std: "docker" "start" "-a" "0600f208746f7f847c922864b782751757cbef06025849eacc19f73cb82582cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-toolchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/cargo_toolchain-c994c5aa6e282f65)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/cargo_toolchain-c17a22c76d74b06a)
[INFO] running `Command { std: "docker" "inspect" "0600f208746f7f847c922864b782751757cbef06025849eacc19f73cb82582cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0600f208746f7f847c922864b782751757cbef06025849eacc19f73cb82582cf", kill_on_drop: false }`
[INFO] [stdout] 0600f208746f7f847c922864b782751757cbef06025849eacc19f73cb82582cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b5b096d22bfc7cedd84e0c6b65da04c618d8334c123daab219f3fb0809fcf9d9
[INFO] running `Command { std: "docker" "start" "-a" "b5b096d22bfc7cedd84e0c6b65da04c618d8334c123daab219f3fb0809fcf9d9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cargo_toolchain-c994c5aa6e282f65)
[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/cargo_toolchain-c17a22c76d74b06a)
[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 cargo-toolchain
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - truncate_toolchain (line 64) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b5b096d22bfc7cedd84e0c6b65da04c618d8334c123daab219f3fb0809fcf9d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5b096d22bfc7cedd84e0c6b65da04c618d8334c123daab219f3fb0809fcf9d9", kill_on_drop: false }`
[INFO] [stdout] b5b096d22bfc7cedd84e0c6b65da04c618d8334c123daab219f3fb0809fcf9d9