[INFO] cloning repository https://github.com/captainlee1024/kqueue-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/captainlee1024/kqueue-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaptainlee1024%2Fkqueue-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaptainlee1024%2Fkqueue-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2dcc127983f77f3b35d90d271df426395a389952
[INFO] checking captainlee1024/kqueue-example against try#b8ee37b59c6e1f39bae18b85e057975ab0d89308 for pr-139587-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaptainlee1024%2Fkqueue-example" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/captainlee1024/kqueue-example on toolchain b8ee37b59c6e1f39bae18b85e057975ab0d89308
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b8ee37b59c6e1f39bae18b85e057975ab0d89308" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/captainlee1024/kqueue-example
[INFO] finished tweaking git repo https://github.com/captainlee1024/kqueue-example
[INFO] tweaked toml for git repo https://github.com/captainlee1024/kqueue-example written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/captainlee1024/kqueue-example 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" "+b8ee37b59c6e1f39bae18b85e057975ab0d89308" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+b8ee37b59c6e1f39bae18b85e057975ab0d89308" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a3db891bec57b5f725cb61c9cd6685899d292f57ea7ad73281b1c1d7f3f4ec9
[INFO] running `Command { std: "docker" "start" "-a" "1a3db891bec57b5f725cb61c9cd6685899d292f57ea7ad73281b1c1d7f3f4ec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a3db891bec57b5f725cb61c9cd6685899d292f57ea7ad73281b1c1d7f3f4ec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a3db891bec57b5f725cb61c9cd6685899d292f57ea7ad73281b1c1d7f3f4ec9", kill_on_drop: false }`
[INFO] [stdout] 1a3db891bec57b5f725cb61c9cd6685899d292f57ea7ad73281b1c1d7f3f4ec9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+b8ee37b59c6e1f39bae18b85e057975ab0d89308" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bf3471dbfc4d97e5c2e5f3f57a54cab1cd14137022a5303e387e5a347aad985
[INFO] running `Command { std: "docker" "start" "-a" "2bf3471dbfc4d97e5c2e5f3f57a54cab1cd14137022a5303e387e5a347aad985", kill_on_drop: false }`
[INFO] [stderr]     Checking kqueue-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]   --> examples/slowwly_server.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub struct ThreadPool{
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 64 |     workers: Vec<Worker>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> examples/slowwly_server.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub struct Worker {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 94 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 95 |     thread: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_millis` is never used
[INFO] [stdout]    --> src/main.rs:151:16
[INFO] [stdout]     |
[INFO] [stdout] 150 |     impl Timespec {
[INFO] [stdout]     |     ------------- associated function in this implementation
[INFO] [stdout] 151 |         pub fn from_millis(milliseconds: i32) -> Self {
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_millis` is never used
[INFO] [stdout]    --> src/main.rs:151:16
[INFO] [stdout]     |
[INFO] [stdout] 150 |     impl Timespec {
[INFO] [stdout]     |     ------------- associated function in this implementation
[INFO] [stdout] 151 |         pub fn from_millis(milliseconds: i32) -> Self {
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "2bf3471dbfc4d97e5c2e5f3f57a54cab1cd14137022a5303e387e5a347aad985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bf3471dbfc4d97e5c2e5f3f57a54cab1cd14137022a5303e387e5a347aad985", kill_on_drop: false }`
[INFO] [stdout] 2bf3471dbfc4d97e5c2e5f3f57a54cab1cd14137022a5303e387e5a347aad985