[INFO] cloning repository https://github.com/Lyndogwin/gray_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lyndogwin/gray_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLyndogwin%2Fgray_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLyndogwin%2Fgray_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4481b75ba22c4576eca39d402cba7a4c6ec9d2d1
[INFO] checking Lyndogwin/gray_rust against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLyndogwin%2Fgray_rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files: 100% (101/101)
Updating files: 100% (101/101), done.
[INFO] validating manifest of git repo https://github.com/Lyndogwin/gray_rust on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lyndogwin/gray_rust
[INFO] finished tweaking git repo https://github.com/Lyndogwin/gray_rust
[INFO] tweaked toml for git repo https://github.com/Lyndogwin/gray_rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Lyndogwin/gray_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebffba91c38d2bd750d3c5a9a8ed06f0d29b83071e3df22faab25bdab0335dba
[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" "ebffba91c38d2bd750d3c5a9a8ed06f0d29b83071e3df22faab25bdab0335dba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebffba91c38d2bd750d3c5a9a8ed06f0d29b83071e3df22faab25bdab0335dba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebffba91c38d2bd750d3c5a9a8ed06f0d29b83071e3df22faab25bdab0335dba", kill_on_drop: false }`
[INFO] [stdout] ebffba91c38d2bd750d3c5a9a8ed06f0d29b83071e3df22faab25bdab0335dba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 240cfab01775e1219ef12013bea0c7c8ca92fae2ef6d9094d7a3da29b0b483ae
[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" "240cfab01775e1219ef12013bea0c7c8ca92fae2ef6d9094d7a3da29b0b483ae", kill_on_drop: false }`
[INFO] [stderr]     Checking bmp v0.5.0
[INFO] [stderr]     Checking assignment_1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "240cfab01775e1219ef12013bea0c7c8ca92fae2ef6d9094d7a3da29b0b483ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "240cfab01775e1219ef12013bea0c7c8ca92fae2ef6d9094d7a3da29b0b483ae", kill_on_drop: false }`
[INFO] [stdout] 240cfab01775e1219ef12013bea0c7c8ca92fae2ef6d9094d7a3da29b0b483ae