[INFO] cloning repository https://github.com/rust-learn/the_twelve_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/rust-learn/the_twelve_days_of_christmas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-learn%2Fthe_twelve_days_of_christmas", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-learn%2Fthe_twelve_days_of_christmas'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 406528e0edc58cbe94ca2a145f1eecf9f18bdebe
[INFO] checking rust-learn/the_twelve_days_of_christmas against master#119d2a1a98fe87d4ae6cabf12134a0ef2fb95851 for pr-75180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-learn%2Fthe_twelve_days_of_christmas" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-learn/the_twelve_days_of_christmas on toolchain 119d2a1a98fe87d4ae6cabf12134a0ef2fb95851
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust-learn/the_twelve_days_of_christmas
[INFO] finished tweaking git repo https://github.com/rust-learn/the_twelve_days_of_christmas
[INFO] tweaked toml for git repo https://github.com/rust-learn/the_twelve_days_of_christmas written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-learn/the_twelve_days_of_christmas already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b607ab6c92d7ea0f6514ed0d9fbc198608c7db6bcf533115232f3de27a6bbb6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6b607ab6c92d7ea0f6514ed0d9fbc198608c7db6bcf533115232f3de27a6bbb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b607ab6c92d7ea0f6514ed0d9fbc198608c7db6bcf533115232f3de27a6bbb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b607ab6c92d7ea0f6514ed0d9fbc198608c7db6bcf533115232f3de27a6bbb6", kill_on_drop: false }`
[INFO] [stdout] 6b607ab6c92d7ea0f6514ed0d9fbc198608c7db6bcf533115232f3de27a6bbb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd236c6f0217b08288d709319f88152b6eaf2d6e33ac8e970530c4bd397c035c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cd236c6f0217b08288d709319f88152b6eaf2d6e33ac8e970530c4bd397c035c", kill_on_drop: false }`
[INFO] [stderr]     Checking the_twelve_days_of_christmas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "cd236c6f0217b08288d709319f88152b6eaf2d6e33ac8e970530c4bd397c035c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd236c6f0217b08288d709319f88152b6eaf2d6e33ac8e970530c4bd397c035c", kill_on_drop: false }`
[INFO] [stdout] cd236c6f0217b08288d709319f88152b6eaf2d6e33ac8e970530c4bd397c035c