[INFO] cloning repository https://github.com/alexmchale/life-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexmchale/life-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexmchale%2Flife-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexmchale%2Flife-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02911faab55e7f2c0a7a43485e36b9b9771520e4
[INFO] checking alexmchale/life-rs against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexmchale%2Flife-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexmchale/life-rs on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alexmchale/life-rs
[INFO] finished tweaking git repo https://github.com/alexmchale/life-rs
[INFO] tweaked toml for git repo https://github.com/alexmchale/life-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/alexmchale/life-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-iter v0.1.32
[INFO] [stderr]   Downloaded num-integer v0.1.32
[INFO] [stderr]   Downloaded num v0.1.36
[INFO] [stderr]   Downloaded lazy_static v0.2.1
[INFO] [stderr]   Downloaded sdl2 v0.29.0
[INFO] [stderr]   Downloaded num-traits v0.1.36
[INFO] [stderr]   Downloaded sdl2-sys v0.27.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2feec33aa053889429419ffb3ff5f1f26fb4df79eef7faf896a50ad5b33ff6e0
[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" "2feec33aa053889429419ffb3ff5f1f26fb4df79eef7faf896a50ad5b33ff6e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2feec33aa053889429419ffb3ff5f1f26fb4df79eef7faf896a50ad5b33ff6e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2feec33aa053889429419ffb3ff5f1f26fb4df79eef7faf896a50ad5b33ff6e0", kill_on_drop: false }`
[INFO] [stdout] 2feec33aa053889429419ffb3ff5f1f26fb4df79eef7faf896a50ad5b33ff6e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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] f09518a9fb2a47ad901fc899e83cee4408d6e238b1ecca97930c6f68204d8ce1
[INFO] running `Command { std: "docker" "start" "-a" "f09518a9fb2a47ad901fc899e83cee4408d6e238b1ecca97930c6f68204d8ce1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.17
[INFO] [stderr]     Checking lazy_static v0.2.1
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking sdl2-sys v0.27.0
[INFO] [stderr]     Checking sdl2 v0.29.0
[INFO] [stderr]     Checking life-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.34s
[INFO] running `Command { std: "docker" "inspect" "f09518a9fb2a47ad901fc899e83cee4408d6e238b1ecca97930c6f68204d8ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f09518a9fb2a47ad901fc899e83cee4408d6e238b1ecca97930c6f68204d8ce1", kill_on_drop: false }`
[INFO] [stdout] f09518a9fb2a47ad901fc899e83cee4408d6e238b1ecca97930c6f68204d8ce1