[INFO] cloning repository https://github.com/DarioBiscevic/christmas-tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DarioBiscevic/christmas-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarioBiscevic%2Fchristmas-tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarioBiscevic%2Fchristmas-tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5289e776013c337c9255712046e0ae7edd8ce59
[INFO] testing DarioBiscevic/christmas-tree against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarioBiscevic%2Fchristmas-tree" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DarioBiscevic/christmas-tree 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/DarioBiscevic/christmas-tree
[INFO] finished tweaking git repo https://github.com/DarioBiscevic/christmas-tree
[INFO] tweaked toml for git repo https://github.com/DarioBiscevic/christmas-tree written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/DarioBiscevic/christmas-tree 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] f6e5835a68b8e61e792fdfbdc4cb10a0d86b2397407363a09e4264eb30b693b8
[INFO] running `Command { std: "docker" "start" "-a" "f6e5835a68b8e61e792fdfbdc4cb10a0d86b2397407363a09e4264eb30b693b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6e5835a68b8e61e792fdfbdc4cb10a0d86b2397407363a09e4264eb30b693b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6e5835a68b8e61e792fdfbdc4cb10a0d86b2397407363a09e4264eb30b693b8", kill_on_drop: false }`
[INFO] [stdout] f6e5835a68b8e61e792fdfbdc4cb10a0d86b2397407363a09e4264eb30b693b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 5d8cdb8444eb50df01730b7b624334cb4b4f5f6da94c2d538a5a7d8dc43d2b41
[INFO] running `Command { std: "docker" "start" "-a" "5d8cdb8444eb50df01730b7b624334cb4b4f5f6da94c2d538a5a7d8dc43d2b41", kill_on_drop: false }`
[INFO] [stderr]    Compiling christmas_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "5d8cdb8444eb50df01730b7b624334cb4b4f5f6da94c2d538a5a7d8dc43d2b41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d8cdb8444eb50df01730b7b624334cb4b4f5f6da94c2d538a5a7d8dc43d2b41", kill_on_drop: false }`
[INFO] [stdout] 5d8cdb8444eb50df01730b7b624334cb4b4f5f6da94c2d538a5a7d8dc43d2b41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 0fba67d5dbf06043ed9c2ee178d90f14cf7ac842bb0dcb530027eb9190f80379
[INFO] running `Command { std: "docker" "start" "-a" "0fba67d5dbf06043ed9c2ee178d90f14cf7ac842bb0dcb530027eb9190f80379", kill_on_drop: false }`
[INFO] [stderr]    Compiling christmas_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "0fba67d5dbf06043ed9c2ee178d90f14cf7ac842bb0dcb530027eb9190f80379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fba67d5dbf06043ed9c2ee178d90f14cf7ac842bb0dcb530027eb9190f80379", kill_on_drop: false }`
[INFO] [stdout] 0fba67d5dbf06043ed9c2ee178d90f14cf7ac842bb0dcb530027eb9190f80379
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] c777db710e35bf3022efcb8558e28d8b6e610367778b779a69ecf96b59660501
[INFO] running `Command { std: "docker" "start" "-a" "c777db710e35bf3022efcb8558e28d8b6e610367778b779a69ecf96b59660501", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/christmas_tree-b255f527dc499bac)
[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" "c777db710e35bf3022efcb8558e28d8b6e610367778b779a69ecf96b59660501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c777db710e35bf3022efcb8558e28d8b6e610367778b779a69ecf96b59660501", kill_on_drop: false }`
[INFO] [stdout] c777db710e35bf3022efcb8558e28d8b6e610367778b779a69ecf96b59660501