[INFO] cloning repository https://github.com/tddgit/rust-first
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tddgit/rust-first" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftddgit%2Frust-first", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftddgit%2Frust-first'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0539d3168e3ff0aafd7775b1f1af7723b7f40b5
[INFO] testing tddgit/rust-first against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftddgit%2Frust-first" "/workspace/builds/worker-53/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-53/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tddgit/rust-first on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tddgit/rust-first
[INFO] finished tweaking git repo https://github.com/tddgit/rust-first
[INFO] tweaked toml for git repo https://github.com/tddgit/rust-first written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] crate git repo https://github.com/tddgit/rust-first already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e38d3a5e9ce8b33987e1881b3727e0e364e02b2549f3b9ce3815a689a3c7040
[INFO] running `Command { std: "docker" "start" "-a" "8e38d3a5e9ce8b33987e1881b3727e0e364e02b2549f3b9ce3815a689a3c7040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e38d3a5e9ce8b33987e1881b3727e0e364e02b2549f3b9ce3815a689a3c7040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e38d3a5e9ce8b33987e1881b3727e0e364e02b2549f3b9ce3815a689a3c7040", kill_on_drop: false }`
[INFO] [stdout] 8e38d3a5e9ce8b33987e1881b3727e0e364e02b2549f3b9ce3815a689a3c7040
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91e9a2c32f59dd4635da39e769283602d0d409a28cb1ee0e1bef55ec80a01010
[INFO] running `Command { std: "docker" "start" "-a" "91e9a2c32f59dd4635da39e769283602d0d409a28cb1ee0e1bef55ec80a01010", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling untitled v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `Command { std: "docker" "inspect" "91e9a2c32f59dd4635da39e769283602d0d409a28cb1ee0e1bef55ec80a01010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91e9a2c32f59dd4635da39e769283602d0d409a28cb1ee0e1bef55ec80a01010", kill_on_drop: false }`
[INFO] [stdout] 91e9a2c32f59dd4635da39e769283602d0d409a28cb1ee0e1bef55ec80a01010
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d403dfcdc6723143e29e6fbd16e85a2968e1f9b211eeb54104ec8be2df84fe7
[INFO] running `Command { std: "docker" "start" "-a" "4d403dfcdc6723143e29e6fbd16e85a2968e1f9b211eeb54104ec8be2df84fe7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling untitled v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 45.01s
[INFO] running `Command { std: "docker" "inspect" "4d403dfcdc6723143e29e6fbd16e85a2968e1f9b211eeb54104ec8be2df84fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d403dfcdc6723143e29e6fbd16e85a2968e1f9b211eeb54104ec8be2df84fe7", kill_on_drop: false }`
[INFO] [stdout] 4d403dfcdc6723143e29e6fbd16e85a2968e1f9b211eeb54104ec8be2df84fe7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 705d11df2e76aedaf528bb0acdf49af32cfe6593a4210333775416e40774a8d9
[INFO] running `Command { std: "docker" "start" "-a" "705d11df2e76aedaf528bb0acdf49af32cfe6593a4210333775416e40774a8d9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.22s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/untitled-ce4fc85c5a3c817b)
[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" "705d11df2e76aedaf528bb0acdf49af32cfe6593a4210333775416e40774a8d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "705d11df2e76aedaf528bb0acdf49af32cfe6593a4210333775416e40774a8d9", kill_on_drop: false }`
[INFO] [stdout] 705d11df2e76aedaf528bb0acdf49af32cfe6593a4210333775416e40774a8d9