[INFO] cloning repository https://github.com/yang-ling/clean_dir
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yang-ling/clean_dir" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyang-ling%2Fclean_dir", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyang-ling%2Fclean_dir'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f5de53b8a616cba59d0da72ba7c8e33cbff24111
[INFO] checking yang-ling/clean_dir against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyang-ling%2Fclean_dir" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yang-ling/clean_dir on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yang-ling/clean_dir
[INFO] finished tweaking git repo https://github.com/yang-ling/clean_dir
[INFO] tweaked toml for git repo https://github.com/yang-ling/clean_dir written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/yang-ling/clean_dir already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28fe37fbd9872e1ba0bcc9397b1575ac4355369e8c95d8eeffb791662f0245e4
[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" "28fe37fbd9872e1ba0bcc9397b1575ac4355369e8c95d8eeffb791662f0245e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28fe37fbd9872e1ba0bcc9397b1575ac4355369e8c95d8eeffb791662f0245e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28fe37fbd9872e1ba0bcc9397b1575ac4355369e8c95d8eeffb791662f0245e4", kill_on_drop: false }`
[INFO] [stdout] 28fe37fbd9872e1ba0bcc9397b1575ac4355369e8c95d8eeffb791662f0245e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b6c7ce2b07bb681f6597634274f66d0eda9acb94578f520a76db315f14636ba
[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" "0b6c7ce2b07bb681f6597634274f66d0eda9acb94578f520a76db315f14636ba", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking clean_dir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.24s
[INFO] running `Command { std: "docker" "inspect" "0b6c7ce2b07bb681f6597634274f66d0eda9acb94578f520a76db315f14636ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b6c7ce2b07bb681f6597634274f66d0eda9acb94578f520a76db315f14636ba", kill_on_drop: false }`
[INFO] [stdout] 0b6c7ce2b07bb681f6597634274f66d0eda9acb94578f520a76db315f14636ba