[INFO] cloning repository https://github.com/kgtkr/mc-pi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kgtkr/mc-pi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkgtkr%2Fmc-pi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkgtkr%2Fmc-pi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d4548095c095bfce9b5d4fb7e84547df299e6c4
[INFO] checking kgtkr/mc-pi against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkgtkr%2Fmc-pi" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kgtkr/mc-pi on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kgtkr/mc-pi
[INFO] finished tweaking git repo https://github.com/kgtkr/mc-pi
[INFO] tweaked toml for git repo https://github.com/kgtkr/mc-pi written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/kgtkr/mc-pi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] baff21017721fde5fcb0342a2c6ae53a588273a327a6cea1e69bc0a67d527150
[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" "baff21017721fde5fcb0342a2c6ae53a588273a327a6cea1e69bc0a67d527150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "baff21017721fde5fcb0342a2c6ae53a588273a327a6cea1e69bc0a67d527150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baff21017721fde5fcb0342a2c6ae53a588273a327a6cea1e69bc0a67d527150", kill_on_drop: false }`
[INFO] [stdout] baff21017721fde5fcb0342a2c6ae53a588273a327a6cea1e69bc0a67d527150
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0507e67dcf68a99c800f3209a83fb87fe7917009012ed4ad4abcd6bfeb892a4
[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" "a0507e67dcf68a99c800f3209a83fb87fe7917009012ed4ad4abcd6bfeb892a4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking mcpi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.06s
[INFO] running `Command { std: "docker" "inspect" "a0507e67dcf68a99c800f3209a83fb87fe7917009012ed4ad4abcd6bfeb892a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0507e67dcf68a99c800f3209a83fb87fe7917009012ed4ad4abcd6bfeb892a4", kill_on_drop: false }`
[INFO] [stdout] a0507e67dcf68a99c800f3209a83fb87fe7917009012ed4ad4abcd6bfeb892a4