[INFO] cloning repository https://github.com/twinoxen/rust_song_12_days_of_christmas
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/twinoxen/rust_song_12_days_of_christmas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwinoxen%2Frust_song_12_days_of_christmas", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwinoxen%2Frust_song_12_days_of_christmas'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 03b5c1e43847c94edf62379c5c813023878b4bda
[INFO] testing twinoxen/rust_song_12_days_of_christmas against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwinoxen%2Frust_song_12_days_of_christmas" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/twinoxen/rust_song_12_days_of_christmas on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/twinoxen/rust_song_12_days_of_christmas
[INFO] finished tweaking git repo https://github.com/twinoxen/rust_song_12_days_of_christmas
[INFO] tweaked toml for git repo https://github.com/twinoxen/rust_song_12_days_of_christmas written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/twinoxen/rust_song_12_days_of_christmas already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52733ee7504f0540afd98ce5b0adefefea944fccc7d730ea2192ac23e151f081
[INFO] running `Command { std: "docker" "start" "-a" "52733ee7504f0540afd98ce5b0adefefea944fccc7d730ea2192ac23e151f081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52733ee7504f0540afd98ce5b0adefefea944fccc7d730ea2192ac23e151f081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52733ee7504f0540afd98ce5b0adefefea944fccc7d730ea2192ac23e151f081", kill_on_drop: false }`
[INFO] [stdout] 52733ee7504f0540afd98ce5b0adefefea944fccc7d730ea2192ac23e151f081
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecfac56182c7f09577479d82bac7974a6e0e85dcdb07aaa6c91c651eb5e9ac15
[INFO] running `Command { std: "docker" "start" "-a" "ecfac56182c7f09577479d82bac7974a6e0e85dcdb07aaa6c91c651eb5e9ac15", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_song_12_days_of_christmas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "ecfac56182c7f09577479d82bac7974a6e0e85dcdb07aaa6c91c651eb5e9ac15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecfac56182c7f09577479d82bac7974a6e0e85dcdb07aaa6c91c651eb5e9ac15", kill_on_drop: false }`
[INFO] [stdout] ecfac56182c7f09577479d82bac7974a6e0e85dcdb07aaa6c91c651eb5e9ac15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 091a7114d77a1202ac76a575329c3b1279d26607cf600332b4702fa027c59bf0
[INFO] running `Command { std: "docker" "start" "-a" "091a7114d77a1202ac76a575329c3b1279d26607cf600332b4702fa027c59bf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_song_12_days_of_christmas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "091a7114d77a1202ac76a575329c3b1279d26607cf600332b4702fa027c59bf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "091a7114d77a1202ac76a575329c3b1279d26607cf600332b4702fa027c59bf0", kill_on_drop: false }`
[INFO] [stdout] 091a7114d77a1202ac76a575329c3b1279d26607cf600332b4702fa027c59bf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 95acfdd78993a0edc22d17e7d51b0f1c4c509ff672a5cdbd19a99c48c8001a2f
[INFO] running `Command { std: "docker" "start" "-a" "95acfdd78993a0edc22d17e7d51b0f1c4c509ff672a5cdbd19a99c48c8001a2f", 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_song_12_days_of_christmas-0bdd3b0607354a15)
[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" "95acfdd78993a0edc22d17e7d51b0f1c4c509ff672a5cdbd19a99c48c8001a2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95acfdd78993a0edc22d17e7d51b0f1c4c509ff672a5cdbd19a99c48c8001a2f", kill_on_drop: false }`
[INFO] [stdout] 95acfdd78993a0edc22d17e7d51b0f1c4c509ff672a5cdbd19a99c48c8001a2f