[INFO] cloning repository https://github.com/naomijub/genetic-labyrinth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/naomijub/genetic-labyrinth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaomijub%2Fgenetic-labyrinth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaomijub%2Fgenetic-labyrinth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c5e0c6efb1e2d3d566fa48b96de1f5bd1cc2713
[INFO] checking naomijub/genetic-labyrinth against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaomijub%2Fgenetic-labyrinth" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/naomijub/genetic-labyrinth on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/naomijub/genetic-labyrinth
[INFO] finished tweaking git repo https://github.com/naomijub/genetic-labyrinth
[INFO] tweaked toml for git repo https://github.com/naomijub/genetic-labyrinth written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/naomijub/genetic-labyrinth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 591efe0276a381c310550063a9d34027c9d81f25622a0c9cd828ae7b04dfb85e
[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" "591efe0276a381c310550063a9d34027c9d81f25622a0c9cd828ae7b04dfb85e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "591efe0276a381c310550063a9d34027c9d81f25622a0c9cd828ae7b04dfb85e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "591efe0276a381c310550063a9d34027c9d81f25622a0c9cd828ae7b04dfb85e", kill_on_drop: false }`
[INFO] [stdout] 591efe0276a381c310550063a9d34027c9d81f25622a0c9cd828ae7b04dfb85e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b01aabd678c2a0cf1d27d2046ce96212680ef32d44c891f28a674297e28568c
[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" "1b01aabd678c2a0cf1d27d2046ce96212680ef32d44c891f28a674297e28568c", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking genlab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.08s
[INFO] running `Command { std: "docker" "inspect" "1b01aabd678c2a0cf1d27d2046ce96212680ef32d44c891f28a674297e28568c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b01aabd678c2a0cf1d27d2046ce96212680ef32d44c891f28a674297e28568c", kill_on_drop: false }`
[INFO] [stdout] 1b01aabd678c2a0cf1d27d2046ce96212680ef32d44c891f28a674297e28568c