[INFO] cloning repository https://github.com/MathiasStadler/rust_explore_vec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MathiasStadler/rust_explore_vec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathiasStadler%2Frust_explore_vec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathiasStadler%2Frust_explore_vec'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 760395d5f82c2652eb91d03b0b522a0ce7a5f616
[INFO] checking MathiasStadler/rust_explore_vec against try#5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db for pr-143717
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathiasStadler%2Frust_explore_vec" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MathiasStadler/rust_explore_vec
[INFO] finished tweaking git repo https://github.com/MathiasStadler/rust_explore_vec
[INFO] tweaked toml for git repo https://github.com/MathiasStadler/rust_explore_vec written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MathiasStadler/rust_explore_vec on toolchain 5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MathiasStadler/rust_explore_vec 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" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bed1e3a5b4b1850741bf170aa7bff302576eead327f1a7a6cd3de36fc5a47071
[INFO] running `Command { std: "docker" "start" "-a" "bed1e3a5b4b1850741bf170aa7bff302576eead327f1a7a6cd3de36fc5a47071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bed1e3a5b4b1850741bf170aa7bff302576eead327f1a7a6cd3de36fc5a47071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bed1e3a5b4b1850741bf170aa7bff302576eead327f1a7a6cd3de36fc5a47071", kill_on_drop: false }`
[INFO] [stdout] bed1e3a5b4b1850741bf170aa7bff302576eead327f1a7a6cd3de36fc5a47071
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5414b9547bbdaf7c56c2e4f5ce462be9013a9f69571411c36c25d6f29b2bb4c
[INFO] running `Command { std: "docker" "start" "-a" "d5414b9547bbdaf7c56c2e4f5ce462be9013a9f69571411c36c25d6f29b2bb4c", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_explore_vec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "d5414b9547bbdaf7c56c2e4f5ce462be9013a9f69571411c36c25d6f29b2bb4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5414b9547bbdaf7c56c2e4f5ce462be9013a9f69571411c36c25d6f29b2bb4c", kill_on_drop: false }`
[INFO] [stdout] d5414b9547bbdaf7c56c2e4f5ce462be9013a9f69571411c36c25d6f29b2bb4c