[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 try#de0e80659cee4f27282e60d63bbb8c5271a0d147 for pr-129392
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChhokmah0%2Fsafe_linked_list" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Chhokmah0/safe_linked_list on toolchain de0e80659cee4f27282e60d63bbb8c5271a0d147
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "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-4-tc2/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" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a562630ca456372bbd04b5a8bdd43ec699629aae4eb47199458963b9d86e70b
[INFO] running `Command { std: "docker" "start" "-a" "7a562630ca456372bbd04b5a8bdd43ec699629aae4eb47199458963b9d86e70b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a562630ca456372bbd04b5a8bdd43ec699629aae4eb47199458963b9d86e70b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a562630ca456372bbd04b5a8bdd43ec699629aae4eb47199458963b9d86e70b", kill_on_drop: false }`
[INFO] [stdout] 7a562630ca456372bbd04b5a8bdd43ec699629aae4eb47199458963b9d86e70b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e6cfc2828ff51f348da7c5242431281217c1c6a1c34200654beb3cbbee6342f
[INFO] running `Command { std: "docker" "start" "-a" "2e6cfc2828ff51f348da7c5242431281217c1c6a1c34200654beb3cbbee6342f", 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 0.33s
[INFO] running `Command { std: "docker" "inspect" "2e6cfc2828ff51f348da7c5242431281217c1c6a1c34200654beb3cbbee6342f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e6cfc2828ff51f348da7c5242431281217c1c6a1c34200654beb3cbbee6342f", kill_on_drop: false }`
[INFO] [stdout] 2e6cfc2828ff51f348da7c5242431281217c1c6a1c34200654beb3cbbee6342f