[INFO] cloning repository https://github.com/NinZeige/hit-computer-networking-lab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NinZeige/hit-computer-networking-lab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNinZeige%2Fhit-computer-networking-lab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNinZeige%2Fhit-computer-networking-lab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ab23f9552133293b9a69898b970894cf7ac945c
[INFO] checking NinZeige/hit-computer-networking-lab against master#7db4a89d49a8ed3a5f79b6cc3d555696baa1bbc3 for pr-116935
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNinZeige%2Fhit-computer-networking-lab" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NinZeige/hit-computer-networking-lab on toolchain 7db4a89d49a8ed3a5f79b6cc3d555696baa1bbc3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7db4a89d49a8ed3a5f79b6cc3d555696baa1bbc3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NinZeige/hit-computer-networking-lab
[INFO] finished tweaking git repo https://github.com/NinZeige/hit-computer-networking-lab
[INFO] tweaked toml for git repo https://github.com/NinZeige/hit-computer-networking-lab written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/NinZeige/hit-computer-networking-lab 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" "+7db4a89d49a8ed3a5f79b6cc3d555696baa1bbc3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+7db4a89d49a8ed3a5f79b6cc3d555696baa1bbc3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5d514da613ce33e97bcfd2f7669b37475a6ccb76eda8a68732308871f846113
[INFO] running `Command { std: "docker" "start" "-a" "d5d514da613ce33e97bcfd2f7669b37475a6ccb76eda8a68732308871f846113", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5d514da613ce33e97bcfd2f7669b37475a6ccb76eda8a68732308871f846113", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5d514da613ce33e97bcfd2f7669b37475a6ccb76eda8a68732308871f846113", kill_on_drop: false }`
[INFO] [stdout] d5d514da613ce33e97bcfd2f7669b37475a6ccb76eda8a68732308871f846113
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+7db4a89d49a8ed3a5f79b6cc3d555696baa1bbc3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4aa52a89df56724a3fb77503d3b70dc3d91c9b781f3054c8d09b028f0caa67d
[INFO] running `Command { std: "docker" "start" "-a" "f4aa52a89df56724a3fb77503d3b70dc3d91c9b781f3054c8d09b028f0caa67d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]     Checking cn-lab1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `setup_cache` is never used
[INFO] [stdout]   --> src/connect_manager.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub fn setup_cache() {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `setup_cache` is never used
[INFO] [stdout]   --> src/connect_manager.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub fn setup_cache() {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "f4aa52a89df56724a3fb77503d3b70dc3d91c9b781f3054c8d09b028f0caa67d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4aa52a89df56724a3fb77503d3b70dc3d91c9b781f3054c8d09b028f0caa67d", kill_on_drop: false }`
[INFO] [stdout] f4aa52a89df56724a3fb77503d3b70dc3d91c9b781f3054c8d09b028f0caa67d