[INFO] cloning repository https://github.com/sts10/rusty-tac
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sts10/rusty-tac" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsts10%2Frusty-tac", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsts10%2Frusty-tac'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f241313840122334d56c565bfd32686460471fc
[INFO] testing sts10/rusty-tac against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsts10%2Frusty-tac" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sts10/rusty-tac on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sts10/rusty-tac
[INFO] finished tweaking git repo https://github.com/sts10/rusty-tac
[INFO] tweaked toml for git repo https://github.com/sts10/rusty-tac written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/sts10/rusty-tac already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 788faff67689177e46f72d9eae711d9bccb20bfdbcd24ed1ac4166196970ee7e
[INFO] running `Command { std: "docker" "start" "-a" "788faff67689177e46f72d9eae711d9bccb20bfdbcd24ed1ac4166196970ee7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "788faff67689177e46f72d9eae711d9bccb20bfdbcd24ed1ac4166196970ee7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "788faff67689177e46f72d9eae711d9bccb20bfdbcd24ed1ac4166196970ee7e", kill_on_drop: false }`
[INFO] [stdout] 788faff67689177e46f72d9eae711d9bccb20bfdbcd24ed1ac4166196970ee7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8d830b9f183b085bbf2be6a14543c6b3728823040914cd073f963fca0abd06f
[INFO] running `Command { std: "docker" "start" "-a" "d8d830b9f183b085bbf2be6a14543c6b3728823040914cd073f963fca0abd06f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling rusty_tac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.96s
[INFO] running `Command { std: "docker" "inspect" "d8d830b9f183b085bbf2be6a14543c6b3728823040914cd073f963fca0abd06f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8d830b9f183b085bbf2be6a14543c6b3728823040914cd073f963fca0abd06f", kill_on_drop: false }`
[INFO] [stdout] d8d830b9f183b085bbf2be6a14543c6b3728823040914cd073f963fca0abd06f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8959d95986cc8cf4a2dce449106feaf8c1622ada7f1068e0fe02ea08ed468a22
[INFO] running `Command { std: "docker" "start" "-a" "8959d95986cc8cf4a2dce449106feaf8c1622ada7f1068e0fe02ea08ed468a22", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty_tac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "8959d95986cc8cf4a2dce449106feaf8c1622ada7f1068e0fe02ea08ed468a22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8959d95986cc8cf4a2dce449106feaf8c1622ada7f1068e0fe02ea08ed468a22", kill_on_drop: false }`
[INFO] [stdout] 8959d95986cc8cf4a2dce449106feaf8c1622ada7f1068e0fe02ea08ed468a22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1a5b5da4bc37f1a39d56c0e52a10f640c4237b0bf9af5cd158ddf059ffa24332
[INFO] running `Command { std: "docker" "start" "-a" "1a5b5da4bc37f1a39d56c0e52a10f640c4237b0bf9af5cd158ddf059ffa24332", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rusty_tac-e710820e8f8c7af1)
[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" "1a5b5da4bc37f1a39d56c0e52a10f640c4237b0bf9af5cd158ddf059ffa24332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a5b5da4bc37f1a39d56c0e52a10f640c4237b0bf9af5cd158ddf059ffa24332", kill_on_drop: false }`
[INFO] [stdout] 1a5b5da4bc37f1a39d56c0e52a10f640c4237b0bf9af5cd158ddf059ffa24332