[INFO] cloning repository https://github.com/RainbowCookie32/rusty-torrents
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RainbowCookie32/rusty-torrents" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRainbowCookie32%2Frusty-torrents", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRainbowCookie32%2Frusty-torrents'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f026501a7d7a2cf24ab51b18f9b0caf6fb400b7c
[INFO] checking RainbowCookie32/rusty-torrents against try#53184dc07942a1944769a9e15fc2cb08c9f62e9d for pr-99197
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRainbowCookie32%2Frusty-torrents" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RainbowCookie32/rusty-torrents on toolchain 53184dc07942a1944769a9e15fc2cb08c9f62e9d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+53184dc07942a1944769a9e15fc2cb08c9f62e9d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RainbowCookie32/rusty-torrents
[INFO] finished tweaking git repo https://github.com/RainbowCookie32/rusty-torrents
[INFO] tweaked toml for git repo https://github.com/RainbowCookie32/rusty-torrents written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/RainbowCookie32/rusty-torrents already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+53184dc07942a1944769a9e15fc2cb08c9f62e9d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+53184dc07942a1944769a9e15fc2cb08c9f62e9d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83379893e0efcb95a3b97d1b9b0a26e0cf6ed0dcb29327399d895774a5a753a9
[INFO] running `Command { std: "docker" "start" "-a" "83379893e0efcb95a3b97d1b9b0a26e0cf6ed0dcb29327399d895774a5a753a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83379893e0efcb95a3b97d1b9b0a26e0cf6ed0dcb29327399d895774a5a753a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83379893e0efcb95a3b97d1b9b0a26e0cf6ed0dcb29327399d895774a5a753a9", kill_on_drop: false }`
[INFO] [stdout] 83379893e0efcb95a3b97d1b9b0a26e0cf6ed0dcb29327399d895774a5a753a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+53184dc07942a1944769a9e15fc2cb08c9f62e9d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 300e8565f89137dcd5deeb86bb58665fae76c4e8f9dd4dad462aa16287e65a18
[INFO] running `Command { std: "docker" "start" "-a" "300e8565f89137dcd5deeb86bb58665fae76c4e8f9dd4dad462aa16287e65a18", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling autocfg v1.0.1
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[INFO] [stderr]     Checking rusty-torrents v0.1.0 (/opt/rustwide/workdir/rusty-torrents)
[INFO] [stdout] warning: variant `Udp` is never constructed
[INFO] [stdout]   --> rusty-torrents/src/engine/tracker/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub enum TrackerKind {
[INFO] [stdout]    |          ----------- variant in this enum
[INFO] [stdout] 9  |     Tcp(TcpTracker),
[INFO] [stdout] 10 |     Udp
[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: variant `Udp` is never constructed
[INFO] [stdout]   --> rusty-torrents/src/engine/tracker/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub enum TrackerKind {
[INFO] [stdout]    |          ----------- variant in this enum
[INFO] [stdout] 9  |     Tcp(TcpTracker),
[INFO] [stdout] 10 |     Udp
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.60s
[INFO] running `Command { std: "docker" "inspect" "300e8565f89137dcd5deeb86bb58665fae76c4e8f9dd4dad462aa16287e65a18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "300e8565f89137dcd5deeb86bb58665fae76c4e8f9dd4dad462aa16287e65a18", kill_on_drop: false }`
[INFO] [stdout] 300e8565f89137dcd5deeb86bb58665fae76c4e8f9dd4dad462aa16287e65a18