[INFO] fetching crate simple_thread_pool 0.1.1...
[INFO] testing simple_thread_pool-0.1.1 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate simple_thread_pool 0.1.1 into /workspace/builds/worker-3-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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate simple_thread_pool 0.1.1 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d423c791b4f948453c3895ef280a4584262658e16740a9ec3c31cda813bac43c
[INFO] running `Command { std: "docker" "start" "-a" "d423c791b4f948453c3895ef280a4584262658e16740a9ec3c31cda813bac43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d423c791b4f948453c3895ef280a4584262658e16740a9ec3c31cda813bac43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d423c791b4f948453c3895ef280a4584262658e16740a9ec3c31cda813bac43c", kill_on_drop: false }`
[INFO] [stdout] d423c791b4f948453c3895ef280a4584262658e16740a9ec3c31cda813bac43c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 655a4515befbd4a3f8ab7e3c7da170298d7009e1ec63893671cc974b9610c10a
[INFO] running `Command { std: "docker" "start" "-a" "655a4515befbd4a3f8ab7e3c7da170298d7009e1ec63893671cc974b9610c10a", 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 0.39s
[INFO] running `Command { std: "docker" "inspect" "655a4515befbd4a3f8ab7e3c7da170298d7009e1ec63893671cc974b9610c10a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "655a4515befbd4a3f8ab7e3c7da170298d7009e1ec63893671cc974b9610c10a", kill_on_drop: false }`
[INFO] [stdout] 655a4515befbd4a3f8ab7e3c7da170298d7009e1ec63893671cc974b9610c10a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3c97a1fa8aaee2438bf3aaf9ac8133ccb1fdd7a97135aaa7fa0922ebdab6d74
[INFO] running `Command { std: "docker" "start" "-a" "b3c97a1fa8aaee2438bf3aaf9ac8133ccb1fdd7a97135aaa7fa0922ebdab6d74", 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 0.61s
[INFO] running `Command { std: "docker" "inspect" "b3c97a1fa8aaee2438bf3aaf9ac8133ccb1fdd7a97135aaa7fa0922ebdab6d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3c97a1fa8aaee2438bf3aaf9ac8133ccb1fdd7a97135aaa7fa0922ebdab6d74", kill_on_drop: false }`
[INFO] [stdout] b3c97a1fa8aaee2438bf3aaf9ac8133ccb1fdd7a97135aaa7fa0922ebdab6d74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] acda2f8bbbddb9fd1760eb0afff6667f8e1d5f1603581e33dd76af9f722731e6
[INFO] running `Command { std: "docker" "start" "-a" "acda2f8bbbddb9fd1760eb0afff6667f8e1d5f1603581e33dd76af9f722731e6", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `sleep` and `time::Duration`
[INFO] [stderr]  --> src/lib.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 |     thread::{self, sleep},
[INFO] [stderr]   |                    ^^^^^
[INFO] [stderr] 6 |     time::Duration,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `id` and `thread` are never read
[INFO] [stderr]   --> src/lib.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | struct Worker {
[INFO] [stderr]    |        ------ fields in this struct
[INFO] [stderr] 16 |     id: usize,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 17 |     thread: thread::JoinHandle<()>,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `simple_thread_pool` (lib) generated 2 warnings (run `cargo fix --lib -p simple_thread_pool` to apply 1 suggestion)
[INFO] [stderr] warning: `simple_thread_pool` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/simple_thread_pool-b71debecb88be46e)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::tests::it_works ... ok
[INFO] [stdout] test tests::tests::test_buffer_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests simple_thread_pool
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "acda2f8bbbddb9fd1760eb0afff6667f8e1d5f1603581e33dd76af9f722731e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acda2f8bbbddb9fd1760eb0afff6667f8e1d5f1603581e33dd76af9f722731e6", kill_on_drop: false }`
[INFO] [stdout] acda2f8bbbddb9fd1760eb0afff6667f8e1d5f1603581e33dd76af9f722731e6