[INFO] fetching crate dead-pool 0.1.0...
[INFO] testing dead-pool-0.1.0 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate dead-pool 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate dead-pool 0.1.0
[INFO] finished tweaking crates.io crate dead-pool 0.1.0
[INFO] tweaked toml for crates.io crate dead-pool 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dead-pool 0.1.0 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "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" "+beta-2026-03-05" "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" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b390647c56ea27938eb76be68960aae1bdac40e3cbdd81001836e44cfc3e506b
[INFO] running `Command { std: "docker" "start" "-a" "b390647c56ea27938eb76be68960aae1bdac40e3cbdd81001836e44cfc3e506b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b390647c56ea27938eb76be68960aae1bdac40e3cbdd81001836e44cfc3e506b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b390647c56ea27938eb76be68960aae1bdac40e3cbdd81001836e44cfc3e506b", kill_on_drop: false }`
[INFO] [stdout] b390647c56ea27938eb76be68960aae1bdac40e3cbdd81001836e44cfc3e506b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64f54e7ba2b9f5c6f92c5e55b360d2c123cddf3ad8dd4954929bfa5c2ac27718
[INFO] running `Command { std: "docker" "start" "-a" "64f54e7ba2b9f5c6f92c5e55b360d2c123cddf3ad8dd4954929bfa5c2ac27718", kill_on_drop: false }`
[INFO] [stderr]    Compiling dead-pool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> src/worker.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Worker {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 9 |     pub id: usize,
[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 0.40s
[INFO] running `Command { std: "docker" "inspect" "64f54e7ba2b9f5c6f92c5e55b360d2c123cddf3ad8dd4954929bfa5c2ac27718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64f54e7ba2b9f5c6f92c5e55b360d2c123cddf3ad8dd4954929bfa5c2ac27718", kill_on_drop: false }`
[INFO] [stdout] 64f54e7ba2b9f5c6f92c5e55b360d2c123cddf3ad8dd4954929bfa5c2ac27718
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed3ca6d8217b3d7b119d754074df7cfe5d698f5afbf3b463646080d2f3f6e2bf
[INFO] running `Command { std: "docker" "start" "-a" "ed3ca6d8217b3d7b119d754074df7cfe5d698f5afbf3b463646080d2f3f6e2bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling dead-pool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> src/worker.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Worker {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 9 |     pub id: usize,
[INFO] [stdout]   |         ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> src/worker.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Worker {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 9 |     pub id: usize,
[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 0.55s
[INFO] running `Command { std: "docker" "inspect" "ed3ca6d8217b3d7b119d754074df7cfe5d698f5afbf3b463646080d2f3f6e2bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed3ca6d8217b3d7b119d754074df7cfe5d698f5afbf3b463646080d2f3f6e2bf", kill_on_drop: false }`
[INFO] [stdout] ed3ca6d8217b3d7b119d754074df7cfe5d698f5afbf3b463646080d2f3f6e2bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 665e309a1174cf74b42f9451cac7113f71ca490e6a99030707b7af34a8a338df
[INFO] running `Command { std: "docker" "start" "-a" "665e309a1174cf74b42f9451cac7113f71ca490e6a99030707b7af34a8a338df", kill_on_drop: false }`
[INFO] [stderr] warning: field `id` is never read
[INFO] [stderr]  --> src/worker.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct Worker {
[INFO] [stderr]   |            ------ field in this struct
[INFO] [stderr] 9 |     pub id: usize,
[INFO] [stderr]   |         ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dead-pool` (lib) generated 1 warning
[INFO] [stderr] warning: `dead-pool` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dead_pool-2f8654e8145cad0b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dead_pool
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/threadpool.rs - threadpool::ThreadPool::execute (line 41) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/threadpool.rs - threadpool::ThreadPool::execute (line 41) stdout ----
[INFO] [stdout] error[E0433]: cannot find type `ThreadPool` in this scope
[INFO] [stdout]   --> src/threadpool.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | let pool = ThreadPool::new(4);
[INFO] [stdout]    |            ^^^^^^^^^^ use of undeclared type `ThreadPool`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/threadpool.rs - threadpool::ThreadPool::execute (line 41)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "665e309a1174cf74b42f9451cac7113f71ca490e6a99030707b7af34a8a338df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "665e309a1174cf74b42f9451cac7113f71ca490e6a99030707b7af34a8a338df", kill_on_drop: false }`
[INFO] [stdout] 665e309a1174cf74b42f9451cac7113f71ca490e6a99030707b7af34a8a338df
