[INFO] cloning repository https://github.com/simonbrahan/sudokusolver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simonbrahan/sudokusolver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonbrahan%2Fsudokusolver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonbrahan%2Fsudokusolver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8516e69bf4b9916ac4f5226614c1722de4848dc7
[INFO] checking simonbrahan/sudokusolver against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonbrahan%2Fsudokusolver" "/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/simonbrahan/sudokusolver on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/simonbrahan/sudokusolver
[INFO] finished tweaking git repo https://github.com/simonbrahan/sudokusolver
[INFO] tweaked toml for git repo https://github.com/simonbrahan/sudokusolver written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/simonbrahan/sudokusolver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ff394123f5f5c985e0110ec82fb05347250dc647a556f5c23dd6f0ce1752321
[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" "5ff394123f5f5c985e0110ec82fb05347250dc647a556f5c23dd6f0ce1752321", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ff394123f5f5c985e0110ec82fb05347250dc647a556f5c23dd6f0ce1752321", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ff394123f5f5c985e0110ec82fb05347250dc647a556f5c23dd6f0ce1752321", kill_on_drop: false }`
[INFO] [stdout] 5ff394123f5f5c985e0110ec82fb05347250dc647a556f5c23dd6f0ce1752321
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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] 6ed7b646e4a004ceca82f70f11e83258b07e2e8fb10f6dbd73b278da0721001c
[INFO] running `Command { std: "docker" "start" "-a" "6ed7b646e4a004ceca82f70f11e83258b07e2e8fb10f6dbd73b278da0721001c", kill_on_drop: false }`
[INFO] [stderr]     Checking sudoku_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "6ed7b646e4a004ceca82f70f11e83258b07e2e8fb10f6dbd73b278da0721001c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ed7b646e4a004ceca82f70f11e83258b07e2e8fb10f6dbd73b278da0721001c", kill_on_drop: false }`
[INFO] [stdout] 6ed7b646e4a004ceca82f70f11e83258b07e2e8fb10f6dbd73b278da0721001c