[INFO] cloning repository https://github.com/Mitafr/chip8-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mitafr/chip8-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMitafr%2Fchip8-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMitafr%2Fchip8-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74d89cb72e8dc67b675413d2eed3b358976f32c2
[INFO] checking Mitafr/chip8-rust against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMitafr%2Fchip8-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mitafr/chip8-rust on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mitafr/chip8-rust
[INFO] finished tweaking git repo https://github.com/Mitafr/chip8-rust
[INFO] tweaked toml for git repo https://github.com/Mitafr/chip8-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Mitafr/chip8-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "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] c218bc53f3833eac6dc37536119642b9183f33fc2d3cc41c8517de67ecb97e12
[INFO] running `Command { std: "docker" "start" "-a" "c218bc53f3833eac6dc37536119642b9183f33fc2d3cc41c8517de67ecb97e12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c218bc53f3833eac6dc37536119642b9183f33fc2d3cc41c8517de67ecb97e12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c218bc53f3833eac6dc37536119642b9183f33fc2d3cc41c8517de67ecb97e12", kill_on_drop: false }`
[INFO] [stdout] c218bc53f3833eac6dc37536119642b9183f33fc2d3cc41c8517de67ecb97e12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "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] 1d9734f3859267e3f26a37f18f948084c0ec6d6dbea560b3bfe1586a919ab2b7
[INFO] running `Command { std: "docker" "start" "-a" "1d9734f3859267e3f26a37f18f948084c0ec6d6dbea560b3bfe1586a919ab2b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl2-sys v0.30.0
[INFO] [stderr]     Checking c_vec v1.0.12
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking sdl2 v0.30.0
[INFO] [stderr]     Checking chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.59s
[INFO] running `Command { std: "docker" "inspect" "1d9734f3859267e3f26a37f18f948084c0ec6d6dbea560b3bfe1586a919ab2b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d9734f3859267e3f26a37f18f948084c0ec6d6dbea560b3bfe1586a919ab2b7", kill_on_drop: false }`
[INFO] [stdout] 1d9734f3859267e3f26a37f18f948084c0ec6d6dbea560b3bfe1586a919ab2b7