[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#169954edd744527414c631e9af1bbdc537b0cdf2 for pr-75192
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyang-ling%2Fclean_dir" "/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/yang-ling/clean_dir on toolchain 169954edd744527414c631e9af1bbdc537b0cdf2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/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" "+169954edd744527414c631e9af1bbdc537b0cdf2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pretty_env_logger v0.4.0
[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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 81464a3f6ca3ef4ec0c2acff6011e3913c625df0ce066ed79a48dd13179135a2
[INFO] running `Command { std: "docker" "start" "-a" "81464a3f6ca3ef4ec0c2acff6011e3913c625df0ce066ed79a48dd13179135a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81464a3f6ca3ef4ec0c2acff6011e3913c625df0ce066ed79a48dd13179135a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81464a3f6ca3ef4ec0c2acff6011e3913c625df0ce066ed79a48dd13179135a2", kill_on_drop: false }`
[INFO] [stdout] 81464a3f6ca3ef4ec0c2acff6011e3913c625df0ce066ed79a48dd13179135a2
[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=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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 56f2d37d1c8c66d3b4fee8d4fd846229cb421c16d557a22b45d2abff8241c6c6
[INFO] running `Command { std: "docker" "start" "-a" "56f2d37d1c8c66d3b4fee8d4fd846229cb421c16d557a22b45d2abff8241c6c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking clean_dir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.51s
[INFO] running `Command { std: "docker" "inspect" "56f2d37d1c8c66d3b4fee8d4fd846229cb421c16d557a22b45d2abff8241c6c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56f2d37d1c8c66d3b4fee8d4fd846229cb421c16d557a22b45d2abff8241c6c6", kill_on_drop: false }`
[INFO] [stdout] 56f2d37d1c8c66d3b4fee8d4fd846229cb421c16d557a22b45d2abff8241c6c6