[INFO] updating cached repository https://github.com/sebastianpfluegelmeier/sudoku_checker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ba5e26c8539bab8587e2a362a6012bdbd4b0326
[INFO] checking sebastianpfluegelmeier/sudoku_checker against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebastianpfluegelmeier%2Fsudoku_checker" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sebastianpfluegelmeier/sudoku_checker on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sebastianpfluegelmeier/sudoku_checker
[INFO] finished tweaking git repo https://github.com/sebastianpfluegelmeier/sudoku_checker
[INFO] tweaked toml for git repo https://github.com/sebastianpfluegelmeier/sudoku_checker written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/sebastianpfluegelmeier/sudoku_checker already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4b691668ca9ea64c5ca5558e5449abe42aaa77cc64b7120b03fa500f1b7254c
[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" "d4b691668ca9ea64c5ca5558e5449abe42aaa77cc64b7120b03fa500f1b7254c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4b691668ca9ea64c5ca5558e5449abe42aaa77cc64b7120b03fa500f1b7254c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4b691668ca9ea64c5ca5558e5449abe42aaa77cc64b7120b03fa500f1b7254c", kill_on_drop: false }`
[INFO] [stdout] d4b691668ca9ea64c5ca5558e5449abe42aaa77cc64b7120b03fa500f1b7254c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30ccc7b28acb0e3797b23640f3a9d1bdfcd99e292f96eb6fb88192b761c9696d
[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" "30ccc7b28acb0e3797b23640f3a9d1bdfcd99e292f96eb6fb88192b761c9696d", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking serde v1.0.37
[INFO] [stderr]     Checking rpds v0.4.0
[INFO] [stderr]     Checking sudoku_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.01s
[INFO] running `Command { std: "docker" "inspect" "30ccc7b28acb0e3797b23640f3a9d1bdfcd99e292f96eb6fb88192b761c9696d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30ccc7b28acb0e3797b23640f3a9d1bdfcd99e292f96eb6fb88192b761c9696d", kill_on_drop: false }`
[INFO] [stdout] 30ccc7b28acb0e3797b23640f3a9d1bdfcd99e292f96eb6fb88192b761c9696d