[INFO] fetching crate scoped-thread-pool 1.0.4... [INFO] testing scoped-thread-pool-1.0.4 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate scoped-thread-pool 1.0.4 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate scoped-thread-pool 1.0.4 [INFO] finished tweaking crates.io crate scoped-thread-pool 1.0.4 [INFO] tweaked toml for crates.io crate scoped-thread-pool 1.0.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate scoped-thread-pool 1.0.4 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate scoped-thread-pool 1.0.4 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 046854be828af485552db5618aef667c1326fadf4a12e76e6e728857a3c81278 [INFO] running `Command { std: "docker" "start" "-a" "046854be828af485552db5618aef667c1326fadf4a12e76e6e728857a3c81278", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "046854be828af485552db5618aef667c1326fadf4a12e76e6e728857a3c81278", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "046854be828af485552db5618aef667c1326fadf4a12e76e6e728857a3c81278", kill_on_drop: false }` [INFO] [stdout] 046854be828af485552db5618aef667c1326fadf4a12e76e6e728857a3c81278 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 08870426186db1791dbfacc1da6ae8e329b1021457d9b76f9a477b7d7263281b [INFO] running `Command { std: "docker" "start" "-a" "08870426186db1791dbfacc1da6ae8e329b1021457d9b76f9a477b7d7263281b", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.15 [INFO] [stderr] Compiling memoffset v0.8.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.14 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling crossbeam-queue v0.3.8 [INFO] [stderr] Compiling variance v0.1.3 [INFO] [stderr] Compiling crossbeam-channel v0.5.8 [INFO] [stderr] Compiling crossbeam-deque v0.8.3 [INFO] [stderr] Compiling crossbeam v0.8.2 [INFO] [stderr] Compiling scoped-thread-pool v1.0.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:510:17 [INFO] [stdout] | [INFO] [stdout] 510 | struct Sentinel(Pool, Option>); [INFO] [stdout] | -------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 510 - struct Sentinel(Pool, Option>); [INFO] [stdout] 510 + struct Sentinel((), Option>); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.76s [INFO] running `Command { std: "docker" "inspect" "08870426186db1791dbfacc1da6ae8e329b1021457d9b76f9a477b7d7263281b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08870426186db1791dbfacc1da6ae8e329b1021457d9b76f9a477b7d7263281b", kill_on_drop: false }` [INFO] [stdout] 08870426186db1791dbfacc1da6ae8e329b1021457d9b76f9a477b7d7263281b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 985823715b4f0abc37876639d4905488dc7d8cf0b2810d918f5e7ab7494336f5 [INFO] running `Command { std: "docker" "start" "-a" "985823715b4f0abc37876639d4905488dc7d8cf0b2810d918f5e7ab7494336f5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.144 [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:510:17 [INFO] [stdout] | [INFO] [stdout] 510 | struct Sentinel(Pool, Option>); [INFO] [stdout] | -------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 510 - struct Sentinel(Pool, Option>); [INFO] [stdout] 510 + struct Sentinel((), Option>); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling getrandom v0.2.9 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling scoped-thread-pool v1.0.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:510:17 [INFO] [stdout] | [INFO] [stdout] 510 | struct Sentinel(Pool, Option>); [INFO] [stdout] | -------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | #![cfg_attr(test, deny(warnings))] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(dead_code)]` implied by `#[warn(warnings)]` [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 510 - struct Sentinel(Pool, Option>); [INFO] [stdout] 510 + struct Sentinel((), Option>); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 4.28s [INFO] running `Command { std: "docker" "inspect" "985823715b4f0abc37876639d4905488dc7d8cf0b2810d918f5e7ab7494336f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "985823715b4f0abc37876639d4905488dc7d8cf0b2810d918f5e7ab7494336f5", kill_on_drop: false }` [INFO] [stdout] 985823715b4f0abc37876639d4905488dc7d8cf0b2810d918f5e7ab7494336f5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c2c23ef352a07a9519870d9df659060124c25e01a4689deefdada8bdfb193238 [INFO] running `Command { std: "docker" "start" "-a" "c2c23ef352a07a9519870d9df659060124c25e01a4689deefdada8bdfb193238", kill_on_drop: false }` [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/lib.rs:510:17 [INFO] [stderr] | [INFO] [stderr] 510 | struct Sentinel(Pool, Option>); [INFO] [stderr] | -------- ^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this struct [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 510 - struct Sentinel(Pool, Option>); [INFO] [stderr] 510 + struct Sentinel((), Option>); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/lib.rs:510:17 [INFO] [stderr] | [INFO] [stderr] 510 | struct Sentinel(Pool, Option>); [INFO] [stderr] | -------- ^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this struct [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/lib.rs:1:24 [INFO] [stderr] | [INFO] [stderr] 1 | #![cfg_attr(test, deny(warnings))] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: `#[warn(dead_code)]` implied by `#[warn(warnings)]` [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 510 - struct Sentinel(Pool, Option>); [INFO] [stderr] 510 + struct Sentinel((), Option>); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `scoped-thread-pool` (lib) generated 1 warning [INFO] [stderr] warning: `scoped-thread-pool` (lib test) generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/scoped_thread_pool-b5d2525208d4066b) [INFO] [stdout] [INFO] [stdout] running 16 tests [INFO] [stdout] test test::test_no_thread_config ... ok [INFO] [stdout] test test::test_forever_zoom ... ok [INFO] [stdout] test test::test_recurse ... ok [INFO] [stdout] test test::test_shutdown ... ok [INFO] [stdout] test test::test_simple_use ... ok [INFO] [stdout] test test::test_spawn_doesnt_hang ... ok [INFO] [stdout] test test::test_with_thread_config ... ok [INFO] [stdout] test test::test_zoom ... ok [INFO] [stdout] test test::test_pool_panic - should panic ... ok [INFO] [stdout] test test::test_recurse_scheduler_panic - should panic ... ok [INFO] [stdout] test test::test_recurse_execute_panic - should panic ... ok [INFO] [stdout] test test::test_scoped_execute_panic - should panic ... ok [INFO] [stdout] test test::test_scheduler_panic - should panic ... ok [INFO] [stdout] test test::test_zoomed_scoped_execute_panic - should panic ... ok [INFO] [stdout] test test::test_scoped_panic_waits_for_all_tasks - should panic ... ok [INFO] [stdout] test test::test_scheduler_panic_waits_for_tasks - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s [INFO] [stdout] [INFO] [stderr] Doc-tests scoped_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" "c2c23ef352a07a9519870d9df659060124c25e01a4689deefdada8bdfb193238", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2c23ef352a07a9519870d9df659060124c25e01a4689deefdada8bdfb193238", kill_on_drop: false }` [INFO] [stdout] c2c23ef352a07a9519870d9df659060124c25e01a4689deefdada8bdfb193238