[INFO] cloning repository https://github.com/enadeau/permuta
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/enadeau/permuta" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenadeau%2Fpermuta", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenadeau%2Fpermuta'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02c363a761d1bda301e20e49c827f26cda4ed88b
[INFO] checking enadeau/permuta against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenadeau%2Fpermuta" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/enadeau/permuta on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/enadeau/permuta
[INFO] finished tweaking git repo https://github.com/enadeau/permuta
[INFO] tweaked toml for git repo https://github.com/enadeau/permuta written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/enadeau/permuta already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 856ce88ff63d958ee58059cb4a8ee061b9f70de0bd52f4efb2631a8695e85545
[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" "856ce88ff63d958ee58059cb4a8ee061b9f70de0bd52f4efb2631a8695e85545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "856ce88ff63d958ee58059cb4a8ee061b9f70de0bd52f4efb2631a8695e85545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "856ce88ff63d958ee58059cb4a8ee061b9f70de0bd52f4efb2631a8695e85545", kill_on_drop: false }`
[INFO] [stdout] 856ce88ff63d958ee58059cb4a8ee061b9f70de0bd52f4efb2631a8695e85545
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e16a3bc08e3dc1e424a4fb14faf1f890bdb7257fedbbc06430dbfc2d17cbf26
[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" "9e16a3bc08e3dc1e424a4fb14faf1f890bdb7257fedbbc06430dbfc2d17cbf26", kill_on_drop: false }`
[INFO] [stderr]     Checking permuta v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "9e16a3bc08e3dc1e424a4fb14faf1f890bdb7257fedbbc06430dbfc2d17cbf26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e16a3bc08e3dc1e424a4fb14faf1f890bdb7257fedbbc06430dbfc2d17cbf26", kill_on_drop: false }`
[INFO] [stdout] 9e16a3bc08e3dc1e424a4fb14faf1f890bdb7257fedbbc06430dbfc2d17cbf26