[INFO] fetching crate connect_four 0.1.8...
[INFO] checking connect_four-0.1.8 against 1.55.0 for beta-1.56-3
[INFO] extracting crate connect_four 0.1.8 into /workspace/builds/worker-62/source
[INFO] validating manifest of crates.io crate connect_four 0.1.8 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate connect_four 0.1.8
[INFO] finished tweaking crates.io crate connect_four 0.1.8
[INFO] tweaked toml for crates.io crate connect_four 0.1.8 written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] crate crates.io crate connect_four 0.1.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded instant v0.1.8
[INFO] [stderr]   Downloaded smallvec v1.4.2
[INFO] [stderr]   Downloaded socket2 v0.3.16
[INFO] [stderr]   Downloaded lock_api v0.4.1
[INFO] [stderr]   Downloaded crossterm_winapi v0.6.2
[INFO] [stderr]   Downloaded signal-hook v0.1.16
[INFO] [stderr]   Downloaded parking_lot_core v0.8.0
[INFO] [stderr]   Downloaded parking_lot v0.11.0
[INFO] [stderr]   Downloaded numtoa v0.1.0
[INFO] [stderr]   Downloaded mio v0.7.5
[INFO] [stderr]   Downloaded crossterm v0.18.2
[INFO] [stderr]   Downloaded signal-hook-registry v1.2.2
[INFO] [stderr]   Downloaded termion v1.5.5
[INFO] [stderr]   Downloaded cloudabi v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 399121bd0531279877df86c2547d4003baed5d0f9e6a42005c29b94348d1c4f6
[INFO] running `Command { std: "docker" "start" "-a" "399121bd0531279877df86c2547d4003baed5d0f9e6a42005c29b94348d1c4f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "399121bd0531279877df86c2547d4003baed5d0f9e6a42005c29b94348d1c4f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "399121bd0531279877df86c2547d4003baed5d0f9e6a42005c29b94348d1c4f6", kill_on_drop: false }`
[INFO] [stdout] 399121bd0531279877df86c2547d4003baed5d0f9e6a42005c29b94348d1c4f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9e4b485dcde6749aa9d505a3bdf11d003c29d622fefaea760685b7f98e58412
[INFO] running `Command { std: "docker" "start" "-a" "b9e4b485dcde6749aa9d505a3bdf11d003c29d622fefaea760685b7f98e58412", 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] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking mio v0.7.5
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking crossterm v0.18.2
[INFO] [stderr]     Checking connect_four v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.19s
[INFO] running `Command { std: "docker" "inspect" "b9e4b485dcde6749aa9d505a3bdf11d003c29d622fefaea760685b7f98e58412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9e4b485dcde6749aa9d505a3bdf11d003c29d622fefaea760685b7f98e58412", kill_on_drop: false }`
[INFO] [stdout] b9e4b485dcde6749aa9d505a3bdf11d003c29d622fefaea760685b7f98e58412
