[INFO] cloning repository https://github.com/mistodon/pchomp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mistodon/pchomp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmistodon%2Fpchomp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmistodon%2Fpchomp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c3816669e30e8fd3411ccf839659967d0d1ff97
[INFO] checking mistodon/pchomp against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmistodon%2Fpchomp" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mistodon/pchomp on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mistodon/pchomp
[INFO] finished tweaking git repo https://github.com/mistodon/pchomp
[INFO] tweaked toml for git repo https://github.com/mistodon/pchomp written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/mistodon/pchomp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] b03b3b34e7427b1ff218ce0e265a09c33228d63eb25c0093ff07a49eb5e1066e
[INFO] running `Command { std: "docker" "start" "-a" "b03b3b34e7427b1ff218ce0e265a09c33228d63eb25c0093ff07a49eb5e1066e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b03b3b34e7427b1ff218ce0e265a09c33228d63eb25c0093ff07a49eb5e1066e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b03b3b34e7427b1ff218ce0e265a09c33228d63eb25c0093ff07a49eb5e1066e", kill_on_drop: false }`
[INFO] [stdout] b03b3b34e7427b1ff218ce0e265a09c33228d63eb25c0093ff07a49eb5e1066e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bbbc2b4e15995ff1ee287d23571a79fc2d2f230dcf89642008f8815c12ffa5f
[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" "5bbbc2b4e15995ff1ee287d23571a79fc2d2f230dcf89642008f8815c12ffa5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.28
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking rustc-demangle v0.1.14
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking pchomp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.74s
[INFO] running `Command { std: "docker" "inspect" "5bbbc2b4e15995ff1ee287d23571a79fc2d2f230dcf89642008f8815c12ffa5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bbbc2b4e15995ff1ee287d23571a79fc2d2f230dcf89642008f8815c12ffa5f", kill_on_drop: false }`
[INFO] [stdout] 5bbbc2b4e15995ff1ee287d23571a79fc2d2f230dcf89642008f8815c12ffa5f