[INFO] cloning repository https://github.com/rwicke/mastermind
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rwicke/mastermind" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frwicke%2Fmastermind", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frwicke%2Fmastermind'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c348b00cf9845e87ba0cdad8d96569822646def7
[INFO] checking rwicke/mastermind against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frwicke%2Fmastermind" "/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/rwicke/mastermind on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rwicke/mastermind
[INFO] finished tweaking git repo https://github.com/rwicke/mastermind
[INFO] tweaked toml for git repo https://github.com/rwicke/mastermind written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/rwicke/mastermind already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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] 2f952c2143f23b5ba1ed631104f762c78f44146480df063d5e8035cb79fc81ce
[INFO] running `Command { std: "docker" "start" "-a" "2f952c2143f23b5ba1ed631104f762c78f44146480df063d5e8035cb79fc81ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f952c2143f23b5ba1ed631104f762c78f44146480df063d5e8035cb79fc81ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f952c2143f23b5ba1ed631104f762c78f44146480df063d5e8035cb79fc81ce", kill_on_drop: false }`
[INFO] [stdout] 2f952c2143f23b5ba1ed631104f762c78f44146480df063d5e8035cb79fc81ce
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f10545ef20d429bc8a45d77148198c7fbdbb698a895f6ac35c35af00e6ac4f4d
[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" "f10545ef20d429bc8a45d77148198c7fbdbb698a895f6ac35c35af00e6ac4f4d", kill_on_drop: false }`
[INFO] [stderr]     Checking mastermind v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "f10545ef20d429bc8a45d77148198c7fbdbb698a895f6ac35c35af00e6ac4f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f10545ef20d429bc8a45d77148198c7fbdbb698a895f6ac35c35af00e6ac4f4d", kill_on_drop: false }`
[INFO] [stdout] f10545ef20d429bc8a45d77148198c7fbdbb698a895f6ac35c35af00e6ac4f4d