[INFO] cloning repository https://github.com/EntilZha/max_flow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EntilZha/max_flow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEntilZha%2Fmax_flow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEntilZha%2Fmax_flow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba94fb03729150061748a3b2a4d43c81fe5dc153
[INFO] checking EntilZha/max_flow against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEntilZha%2Fmax_flow" "/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/EntilZha/max_flow on toolchain 0a8629bff642c3c3b84bb644c0099194f063b627
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/EntilZha/max_flow
[INFO] finished tweaking git repo https://github.com/EntilZha/max_flow
[INFO] tweaked toml for git repo https://github.com/EntilZha/max_flow written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/EntilZha/max_flow already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79957eae01fa8aaa8ad9262fa9772e4e1ee41b92b1374d2b56e7bbb4af8fc8ea
[INFO] running `Command { std: "docker" "start" "-a" "79957eae01fa8aaa8ad9262fa9772e4e1ee41b92b1374d2b56e7bbb4af8fc8ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79957eae01fa8aaa8ad9262fa9772e4e1ee41b92b1374d2b56e7bbb4af8fc8ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79957eae01fa8aaa8ad9262fa9772e4e1ee41b92b1374d2b56e7bbb4af8fc8ea", kill_on_drop: false }`
[INFO] [stdout] 79957eae01fa8aaa8ad9262fa9772e4e1ee41b92b1374d2b56e7bbb4af8fc8ea
[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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a9703fd5711eae50044508ccd951c140415d638d6322087a21c65c19d77536f
[INFO] running `Command { std: "docker" "start" "-a" "8a9703fd5711eae50044508ccd951c140415d638d6322087a21c65c19d77536f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking winapi v0.2.6
[INFO] [stderr]     Checking libc v0.2.9
[INFO] [stderr]    Compiling kernel32-sys v0.2.1
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking max_flow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "8a9703fd5711eae50044508ccd951c140415d638d6322087a21c65c19d77536f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a9703fd5711eae50044508ccd951c140415d638d6322087a21c65c19d77536f", kill_on_drop: false }`
[INFO] [stdout] 8a9703fd5711eae50044508ccd951c140415d638d6322087a21c65c19d77536f