[INFO] cloning repository https://github.com/stepchowfun/stem-cell
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stepchowfun/stem-cell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstepchowfun%2Fstem-cell", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstepchowfun%2Fstem-cell'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40d0c5fde0457b5647ff35894d1cdb8f6c365325
[INFO] checking stepchowfun/stem-cell against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstepchowfun%2Fstem-cell" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stepchowfun/stem-cell 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/stepchowfun/stem-cell
[INFO] finished tweaking git repo https://github.com/stepchowfun/stem-cell
[INFO] tweaked toml for git repo https://github.com/stepchowfun/stem-cell written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/stepchowfun/stem-cell 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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 4a7ef68970acc88ebe87e417eab17d128fd263c83a7ff1851bcc8e596b64b8c0
[INFO] running `Command { std: "docker" "start" "-a" "4a7ef68970acc88ebe87e417eab17d128fd263c83a7ff1851bcc8e596b64b8c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a7ef68970acc88ebe87e417eab17d128fd263c83a7ff1851bcc8e596b64b8c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a7ef68970acc88ebe87e417eab17d128fd263c83a7ff1851bcc8e596b64b8c0", kill_on_drop: false }`
[INFO] [stdout] 4a7ef68970acc88ebe87e417eab17d128fd263c83a7ff1851bcc8e596b64b8c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 17ec011ec40cb0db446d1aa0fa76729d34df6b578638962f0df84e5f92f40060
[INFO] running `Command { std: "docker" "start" "-a" "17ec011ec40cb0db446d1aa0fa76729d34df6b578638962f0df84e5f92f40060", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking stem-cell v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.52s
[INFO] running `Command { std: "docker" "inspect" "17ec011ec40cb0db446d1aa0fa76729d34df6b578638962f0df84e5f92f40060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17ec011ec40cb0db446d1aa0fa76729d34df6b578638962f0df84e5f92f40060", kill_on_drop: false }`
[INFO] [stdout] 17ec011ec40cb0db446d1aa0fa76729d34df6b578638962f0df84e5f92f40060