[INFO] cloning repository https://github.com/jotingen/rust-sudokusolver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jotingen/rust-sudokusolver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjotingen%2Frust-sudokusolver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjotingen%2Frust-sudokusolver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5655b077a8c3cc64745ed0aa130370f5dfcf9c9e
[INFO] checking jotingen/rust-sudokusolver against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjotingen%2Frust-sudokusolver" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jotingen/rust-sudokusolver on toolchain 0a8629bff642c3c3b84bb644c0099194f063b627
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jotingen/rust-sudokusolver
[INFO] finished tweaking git repo https://github.com/jotingen/rust-sudokusolver
[INFO] tweaked toml for git repo https://github.com/jotingen/rust-sudokusolver written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jotingen/rust-sudokusolver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa3921507b61fb5f3891ba457c2a0017832a4f2486c2e698ec405b43efb90981
[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" "fa3921507b61fb5f3891ba457c2a0017832a4f2486c2e698ec405b43efb90981", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa3921507b61fb5f3891ba457c2a0017832a4f2486c2e698ec405b43efb90981", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa3921507b61fb5f3891ba457c2a0017832a4f2486c2e698ec405b43efb90981", kill_on_drop: false }`
[INFO] [stdout] fa3921507b61fb5f3891ba457c2a0017832a4f2486c2e698ec405b43efb90981
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbd284d48ef7cbd0db7db57434aac45c962429213c764ba5d44bcfb9ec4bcbce
[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" "fbd284d48ef7cbd0db7db57434aac45c962429213c764ba5d44bcfb9ec4bcbce", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-sudokusolver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "fbd284d48ef7cbd0db7db57434aac45c962429213c764ba5d44bcfb9ec4bcbce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbd284d48ef7cbd0db7db57434aac45c962429213c764ba5d44bcfb9ec4bcbce", kill_on_drop: false }`
[INFO] [stdout] fbd284d48ef7cbd0db7db57434aac45c962429213c764ba5d44bcfb9ec4bcbce