[INFO] cloning repository https://github.com/BrunoCarvalhoAlvim/rust_crash_course
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BrunoCarvalhoAlvim/rust_crash_course" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrunoCarvalhoAlvim%2Frust_crash_course", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrunoCarvalhoAlvim%2Frust_crash_course'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15e3c42e357b60d29e4a56cb21f87cc3944afdfb
[INFO] checking BrunoCarvalhoAlvim/rust_crash_course against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrunoCarvalhoAlvim%2Frust_crash_course" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BrunoCarvalhoAlvim/rust_crash_course on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BrunoCarvalhoAlvim/rust_crash_course
[INFO] finished tweaking git repo https://github.com/BrunoCarvalhoAlvim/rust_crash_course
[INFO] tweaked toml for git repo https://github.com/BrunoCarvalhoAlvim/rust_crash_course written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/BrunoCarvalhoAlvim/rust_crash_course already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 768f98862f6f58ef01deecd5642c00d668ae9004489ed1fdf8c20442cc09e1e9
[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" "768f98862f6f58ef01deecd5642c00d668ae9004489ed1fdf8c20442cc09e1e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "768f98862f6f58ef01deecd5642c00d668ae9004489ed1fdf8c20442cc09e1e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "768f98862f6f58ef01deecd5642c00d668ae9004489ed1fdf8c20442cc09e1e9", kill_on_drop: false }`
[INFO] [stdout] 768f98862f6f58ef01deecd5642c00d668ae9004489ed1fdf8c20442cc09e1e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9c0d38adad4a6cf5160307f825277fff636ad6a0787f3619264d056eb03acc8
[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" "b9c0d38adad4a6cf5160307f825277fff636ad6a0787f3619264d056eb03acc8", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_crash_curse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "b9c0d38adad4a6cf5160307f825277fff636ad6a0787f3619264d056eb03acc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9c0d38adad4a6cf5160307f825277fff636ad6a0787f3619264d056eb03acc8", kill_on_drop: false }`
[INFO] [stdout] b9c0d38adad4a6cf5160307f825277fff636ad6a0787f3619264d056eb03acc8