[INFO] fetching crate simple_thread_pool 0.1.1...
[INFO] building simple_thread_pool-0.1.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate simple_thread_pool 0.1.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate simple_thread_pool 0.1.1
[INFO] finished tweaking crates.io crate simple_thread_pool 0.1.1
[INFO] tweaked toml for crates.io crate simple_thread_pool 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate simple_thread_pool 0.1.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa32506846e726d65d33edfae67dbe7c4087b8be152f383ad0cb4b985abc8b85
[INFO] running `Command { std: "docker" "start" "-a" "fa32506846e726d65d33edfae67dbe7c4087b8be152f383ad0cb4b985abc8b85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa32506846e726d65d33edfae67dbe7c4087b8be152f383ad0cb4b985abc8b85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa32506846e726d65d33edfae67dbe7c4087b8be152f383ad0cb4b985abc8b85", kill_on_drop: false }`
[INFO] [stdout] fa32506846e726d65d33edfae67dbe7c4087b8be152f383ad0cb4b985abc8b85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bd8e4da9510870a64cbd0868b6bc6fe9b0c5c875d1e2dee77aaeb0bf5ce65ff
[INFO] running `Command { std: "docker" "start" "-a" "1bd8e4da9510870a64cbd0868b6bc6fe9b0c5c875d1e2dee77aaeb0bf5ce65ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple_thread_pool v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `sleep` and `time::Duration`
[INFO] [stdout]  --> src/lib.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 |     thread::{self, sleep},
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 6 |     time::Duration,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Worker {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 16 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 17 |     thread: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "1bd8e4da9510870a64cbd0868b6bc6fe9b0c5c875d1e2dee77aaeb0bf5ce65ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bd8e4da9510870a64cbd0868b6bc6fe9b0c5c875d1e2dee77aaeb0bf5ce65ff", kill_on_drop: false }`
[INFO] [stdout] 1bd8e4da9510870a64cbd0868b6bc6fe9b0c5c875d1e2dee77aaeb0bf5ce65ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6d77971cec1be57e1f0080e861af679ce81ac8d4f1b080b736c7d48ba463c65
[INFO] running `Command { std: "docker" "start" "-a" "d6d77971cec1be57e1f0080e861af679ce81ac8d4f1b080b736c7d48ba463c65", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `sleep` and `time::Duration`
[INFO] [stdout]  --> src/lib.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 |     thread::{self, sleep},
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 6 |     time::Duration,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Worker {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 16 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 17 |     thread: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling simple_thread_pool v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Worker {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 16 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 17 |     thread: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "d6d77971cec1be57e1f0080e861af679ce81ac8d4f1b080b736c7d48ba463c65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6d77971cec1be57e1f0080e861af679ce81ac8d4f1b080b736c7d48ba463c65", kill_on_drop: false }`
[INFO] [stdout] d6d77971cec1be57e1f0080e861af679ce81ac8d4f1b080b736c7d48ba463c65