[INFO] cloning repository https://github.com/DdZ-Fred/rust_christmas_carol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DdZ-Fred/rust_christmas_carol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDdZ-Fred%2Frust_christmas_carol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDdZ-Fred%2Frust_christmas_carol'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e53d34b0b3ee615a5e0f991375a4e830d5c6f0a7
[INFO] testing DdZ-Fred/rust_christmas_carol against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDdZ-Fred%2Frust_christmas_carol" "/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/DdZ-Fred/rust_christmas_carol 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/DdZ-Fred/rust_christmas_carol
[INFO] finished tweaking git repo https://github.com/DdZ-Fred/rust_christmas_carol
[INFO] tweaked toml for git repo https://github.com/DdZ-Fred/rust_christmas_carol written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/DdZ-Fred/rust_christmas_carol 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] 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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96527a4f2000b920406e67c058a51e18d901d6208b6be29b8a2e5da1fd66a6f8
[INFO] running `Command { std: "docker" "start" "-a" "96527a4f2000b920406e67c058a51e18d901d6208b6be29b8a2e5da1fd66a6f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96527a4f2000b920406e67c058a51e18d901d6208b6be29b8a2e5da1fd66a6f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96527a4f2000b920406e67c058a51e18d901d6208b6be29b8a2e5da1fd66a6f8", kill_on_drop: false }`
[INFO] [stdout] 96527a4f2000b920406e67c058a51e18d901d6208b6be29b8a2e5da1fd66a6f8
[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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b760707f78baef6dc4618262a6ecbcb3feb6644a1914270ce0dc462dfd5755ad
[INFO] running `Command { std: "docker" "start" "-a" "b760707f78baef6dc4618262a6ecbcb3feb6644a1914270ce0dc462dfd5755ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_christmas_carol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "b760707f78baef6dc4618262a6ecbcb3feb6644a1914270ce0dc462dfd5755ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b760707f78baef6dc4618262a6ecbcb3feb6644a1914270ce0dc462dfd5755ad", kill_on_drop: false }`
[INFO] [stdout] b760707f78baef6dc4618262a6ecbcb3feb6644a1914270ce0dc462dfd5755ad
[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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09e5fd3a1bd6341dcd4e58c580efb5345f92abce3cbb1847eef1a18f57b5e630
[INFO] running `Command { std: "docker" "start" "-a" "09e5fd3a1bd6341dcd4e58c580efb5345f92abce3cbb1847eef1a18f57b5e630", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_christmas_carol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "09e5fd3a1bd6341dcd4e58c580efb5345f92abce3cbb1847eef1a18f57b5e630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09e5fd3a1bd6341dcd4e58c580efb5345f92abce3cbb1847eef1a18f57b5e630", kill_on_drop: false }`
[INFO] [stdout] 09e5fd3a1bd6341dcd4e58c580efb5345f92abce3cbb1847eef1a18f57b5e630
[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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4ce69fa9313d3b78e00082b13b5db8cf0ebe16e44ee61dcd565453bcad91d753
[INFO] running `Command { std: "docker" "start" "-a" "4ce69fa9313d3b78e00082b13b5db8cf0ebe16e44ee61dcd565453bcad91d753", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_christmas_carol-d315fcfeb83faf0c)
[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" "4ce69fa9313d3b78e00082b13b5db8cf0ebe16e44ee61dcd565453bcad91d753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ce69fa9313d3b78e00082b13b5db8cf0ebe16e44ee61dcd565453bcad91d753", kill_on_drop: false }`
[INFO] [stdout] 4ce69fa9313d3b78e00082b13b5db8cf0ebe16e44ee61dcd565453bcad91d753