[INFO] cloning repository https://github.com/Lutetium-Vanadium/gameoflife
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lutetium-Vanadium/gameoflife" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLutetium-Vanadium%2Fgameoflife", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLutetium-Vanadium%2Fgameoflife'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 502b21ae1aabc2bb19c7a12013d604ab351a56ad
[INFO] checking Lutetium-Vanadium/gameoflife against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLutetium-Vanadium%2Fgameoflife" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lutetium-Vanadium/gameoflife on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lutetium-Vanadium/gameoflife
[INFO] finished tweaking git repo https://github.com/Lutetium-Vanadium/gameoflife
[INFO] tweaked toml for git repo https://github.com/Lutetium-Vanadium/gameoflife written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Lutetium-Vanadium/gameoflife already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "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] 74e9330dac1fe475d4d322b17be50c405f0bbe1ecd756f64105e57c68b20ec71
[INFO] running `Command { std: "docker" "start" "-a" "74e9330dac1fe475d4d322b17be50c405f0bbe1ecd756f64105e57c68b20ec71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74e9330dac1fe475d4d322b17be50c405f0bbe1ecd756f64105e57c68b20ec71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74e9330dac1fe475d4d322b17be50c405f0bbe1ecd756f64105e57c68b20ec71", kill_on_drop: false }`
[INFO] [stdout] 74e9330dac1fe475d4d322b17be50c405f0bbe1ecd756f64105e57c68b20ec71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "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] f640e59c3cc313665efb000ab988e5bc56a61c2f6532510f8805eed67f692900
[INFO] running `Command { std: "docker" "start" "-a" "f640e59c3cc313665efb000ab988e5bc56a61c2f6532510f8805eed67f692900", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking mio v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossterm v0.17.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking gameoflife v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/help.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     queue!(stdout, cursor::MoveToNextLine(2));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/help.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     queue!(stdout, cursor::MoveToNextLine(2));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.79s
[INFO] running `Command { std: "docker" "inspect" "f640e59c3cc313665efb000ab988e5bc56a61c2f6532510f8805eed67f692900", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f640e59c3cc313665efb000ab988e5bc56a61c2f6532510f8805eed67f692900", kill_on_drop: false }`
[INFO] [stdout] f640e59c3cc313665efb000ab988e5bc56a61c2f6532510f8805eed67f692900