[INFO] cloning repository https://github.com/FreeMasen/semi_finder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FreeMasen/semi_finder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeMasen%2Fsemi_finder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeMasen%2Fsemi_finder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cced23980e6d1ff790358a8851a6f9c099951e79
[INFO] checking FreeMasen/semi_finder against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeMasen%2Fsemi_finder" "/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/FreeMasen/semi_finder on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FreeMasen/semi_finder
[INFO] finished tweaking git repo https://github.com/FreeMasen/semi_finder
[INFO] tweaked toml for git repo https://github.com/FreeMasen/semi_finder written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/FreeMasen/semi_finder already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "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] a0d25efaca8e988a45d75e8be779af12dc53f5fdc60890b858d0e0fc1b5cf502
[INFO] running `Command { std: "docker" "start" "-a" "a0d25efaca8e988a45d75e8be779af12dc53f5fdc60890b858d0e0fc1b5cf502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0d25efaca8e988a45d75e8be779af12dc53f5fdc60890b858d0e0fc1b5cf502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0d25efaca8e988a45d75e8be779af12dc53f5fdc60890b858d0e0fc1b5cf502", kill_on_drop: false }`
[INFO] [stdout] a0d25efaca8e988a45d75e8be779af12dc53f5fdc60890b858d0e0fc1b5cf502
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] ebf0fed7d7200dd5344125b776a548206e3d78971d5e17c46f3557c0fed5f7e2
[INFO] running `Command { std: "docker" "start" "-a" "ebf0fed7d7200dd5344125b776a548206e3d78971d5e17c46f3557c0fed5f7e2", kill_on_drop: false }`
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking same-file v1.0.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking walkdir v2.2.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking combine v3.5.2
[INFO] [stderr]     Checking regex v1.0.5
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking pretty_env_logger v0.2.4
[INFO] [stderr]     Checking ress v0.4.1
[INFO] [stderr]     Checking semi_finder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.30s
[INFO] running `Command { std: "docker" "inspect" "ebf0fed7d7200dd5344125b776a548206e3d78971d5e17c46f3557c0fed5f7e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebf0fed7d7200dd5344125b776a548206e3d78971d5e17c46f3557c0fed5f7e2", kill_on_drop: false }`
[INFO] [stdout] ebf0fed7d7200dd5344125b776a548206e3d78971d5e17c46f3557c0fed5f7e2