[INFO] cloning repository https://github.com/clearyf/muserial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/clearyf/muserial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclearyf%2Fmuserial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclearyf%2Fmuserial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 61e8a03fdd06046770941bf6ee6ec54a64e57132
[INFO] checking clearyf/muserial against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclearyf%2Fmuserial" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/clearyf/muserial on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/clearyf/muserial
[INFO] finished tweaking git repo https://github.com/clearyf/muserial
[INFO] tweaked toml for git repo https://github.com/clearyf/muserial written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/clearyf/muserial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mio v0.7.13
[INFO] [stderr]   Downloaded libc v0.2.97
[INFO] [stderr]   Downloaded argparse v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7b683c52fa8e71baaad4a6f43bab817a519ff319d08b2a82aa19c5aa647c73e
[INFO] running `Command { std: "docker" "start" "-a" "e7b683c52fa8e71baaad4a6f43bab817a519ff319d08b2a82aa19c5aa647c73e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7b683c52fa8e71baaad4a6f43bab817a519ff319d08b2a82aa19c5aa647c73e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7b683c52fa8e71baaad4a6f43bab817a519ff319d08b2a82aa19c5aa647c73e", kill_on_drop: false }`
[INFO] [stdout] e7b683c52fa8e71baaad4a6f43bab817a519ff319d08b2a82aa19c5aa647c73e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13996acbff7af6bcc4a8e6695aac11920a067df6d2b91a6934cbbca739747911
[INFO] running `Command { std: "docker" "start" "-a" "13996acbff7af6bcc4a8e6695aac11920a067df6d2b91a6934cbbca739747911", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking muserial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `Command { std: "docker" "inspect" "13996acbff7af6bcc4a8e6695aac11920a067df6d2b91a6934cbbca739747911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13996acbff7af6bcc4a8e6695aac11920a067df6d2b91a6934cbbca739747911", kill_on_drop: false }`
[INFO] [stdout] 13996acbff7af6bcc4a8e6695aac11920a067df6d2b91a6934cbbca739747911