[INFO] cloning repository https://github.com/Chhokmah0/safe_linked_list
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Chhokmah0/safe_linked_list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChhokmah0%2Fsafe_linked_list", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChhokmah0%2Fsafe_linked_list'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8867e5fc97798e924e2d50af5d8e1bb42f7754ff
[INFO] checking Chhokmah0/safe_linked_list/8867e5fc97798e924e2d50af5d8e1bb42f7754ff against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChhokmah0%2Fsafe_linked_list" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Chhokmah0/safe_linked_list on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Chhokmah0/safe_linked_list
[INFO] finished tweaking git repo https://github.com/Chhokmah0/safe_linked_list
[INFO] tweaked toml for git repo https://github.com/Chhokmah0/safe_linked_list written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Chhokmah0/safe_linked_list already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded static-rc v0.6.1
[INFO] [stderr]   Downloaded ghost-cell v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c25c1a875863ba76c91b8bbe9afb82b0fcd368a1a0e36e1bf022cd410cc30186
[INFO] running `Command { std: "docker" "start" "-a" "c25c1a875863ba76c91b8bbe9afb82b0fcd368a1a0e36e1bf022cd410cc30186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c25c1a875863ba76c91b8bbe9afb82b0fcd368a1a0e36e1bf022cd410cc30186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c25c1a875863ba76c91b8bbe9afb82b0fcd368a1a0e36e1bf022cd410cc30186", kill_on_drop: false }`
[INFO] [stdout] c25c1a875863ba76c91b8bbe9afb82b0fcd368a1a0e36e1bf022cd410cc30186
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 617fa0d43a852544d853dfaa303d8ba9a670e5341bdc995e1e90b5eae3f27ab3
[INFO] running `Command { std: "docker" "start" "-a" "617fa0d43a852544d853dfaa303d8ba9a670e5341bdc995e1e90b5eae3f27ab3", kill_on_drop: false }`
[INFO] [stderr]     Checking ghost-cell v0.2.6
[INFO] [stderr]     Checking static-rc v0.6.1
[INFO] [stderr]     Checking safe_linked_list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "617fa0d43a852544d853dfaa303d8ba9a670e5341bdc995e1e90b5eae3f27ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "617fa0d43a852544d853dfaa303d8ba9a670e5341bdc995e1e90b5eae3f27ab3", kill_on_drop: false }`
[INFO] [stdout] 617fa0d43a852544d853dfaa303d8ba9a670e5341bdc995e1e90b5eae3f27ab3