[INFO] fetching crate subtract_nums 0.1.1...
[INFO] testing subtract_nums-0.1.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate subtract_nums 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate subtract_nums 0.1.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate subtract_nums 0.1.1
[INFO] finished tweaking crates.io crate subtract_nums 0.1.1
[INFO] tweaked toml for crates.io crate subtract_nums 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6eb9007f6abed3bfba2df93d57db36e28be1968cb7e419bc2c643867c3cdf145
[INFO] running `Command { std: "docker" "start" "-a" "6eb9007f6abed3bfba2df93d57db36e28be1968cb7e419bc2c643867c3cdf145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6eb9007f6abed3bfba2df93d57db36e28be1968cb7e419bc2c643867c3cdf145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eb9007f6abed3bfba2df93d57db36e28be1968cb7e419bc2c643867c3cdf145", kill_on_drop: false }`
[INFO] [stdout] 6eb9007f6abed3bfba2df93d57db36e28be1968cb7e419bc2c643867c3cdf145
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26969a05e8194471d6777cdd7e816947d9d73d5ed6812fbddf14a7e4aed684a3
[INFO] running `Command { std: "docker" "start" "-a" "26969a05e8194471d6777cdd7e816947d9d73d5ed6812fbddf14a7e4aed684a3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling subtract_nums v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "26969a05e8194471d6777cdd7e816947d9d73d5ed6812fbddf14a7e4aed684a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26969a05e8194471d6777cdd7e816947d9d73d5ed6812fbddf14a7e4aed684a3", kill_on_drop: false }`
[INFO] [stdout] 26969a05e8194471d6777cdd7e816947d9d73d5ed6812fbddf14a7e4aed684a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0ecc053664ee3956d72b0ca49e485f04f16d3996e0141bd933e859bbc3d544b
[INFO] running `Command { std: "docker" "start" "-a" "e0ecc053664ee3956d72b0ca49e485f04f16d3996e0141bd933e859bbc3d544b", kill_on_drop: false }`
[INFO] [stderr]    Compiling subtract_nums v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "e0ecc053664ee3956d72b0ca49e485f04f16d3996e0141bd933e859bbc3d544b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0ecc053664ee3956d72b0ca49e485f04f16d3996e0141bd933e859bbc3d544b", kill_on_drop: false }`
[INFO] [stdout] e0ecc053664ee3956d72b0ca49e485f04f16d3996e0141bd933e859bbc3d544b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 71f4caef44c141effef566bc8b85fc18707964c9faf6e4d0aa022ae3c2ec0a1d
[INFO] running `Command { std: "docker" "start" "-a" "71f4caef44c141effef566bc8b85fc18707964c9faf6e4d0aa022ae3c2ec0a1d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/subtract_nums-274554f5945bcdd5)
[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 subtract_nums
[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" "71f4caef44c141effef566bc8b85fc18707964c9faf6e4d0aa022ae3c2ec0a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71f4caef44c141effef566bc8b85fc18707964c9faf6e4d0aa022ae3c2ec0a1d", kill_on_drop: false }`
[INFO] [stdout] 71f4caef44c141effef566bc8b85fc18707964c9faf6e4d0aa022ae3c2ec0a1d