[INFO] fetching crate scoped_threadpool 0.1.9... [INFO] testing scoped_threadpool-0.1.9 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate scoped_threadpool 0.1.9 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate scoped_threadpool 0.1.9 [INFO] finished tweaking crates.io crate scoped_threadpool 0.1.9 [INFO] tweaked toml for crates.io crate scoped_threadpool 0.1.9 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate scoped_threadpool 0.1.9 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 1 package to latest compatible version [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3a9c8d2d5b94d365afcd5e91af07d6faeccc51ca01e8682ec65a27be009ffa8c [INFO] running `Command { std: "docker" "start" "-a" "3a9c8d2d5b94d365afcd5e91af07d6faeccc51ca01e8682ec65a27be009ffa8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3a9c8d2d5b94d365afcd5e91af07d6faeccc51ca01e8682ec65a27be009ffa8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a9c8d2d5b94d365afcd5e91af07d6faeccc51ca01e8682ec65a27be009ffa8c", kill_on_drop: false }` [INFO] [stdout] 3a9c8d2d5b94d365afcd5e91af07d6faeccc51ca01e8682ec65a27be009ffa8c [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7ad91a4c6bef7251671d11b8a9143b61d94c7ced84eb9d4914f59a9571d8c156 [INFO] running `Command { std: "docker" "start" "-a" "7ad91a4c6bef7251671d11b8a9143b61d94c7ced84eb9d4914f59a9571d8c156", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:75:22 [INFO] [stdout] | [INFO] [stdout] 75 | type Thunk<'a> = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 75 | type Thunk<'a> = Box; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.75s [INFO] running `Command { std: "docker" "inspect" "7ad91a4c6bef7251671d11b8a9143b61d94c7ced84eb9d4914f59a9571d8c156", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ad91a4c6bef7251671d11b8a9143b61d94c7ced84eb9d4914f59a9571d8c156", kill_on_drop: false }` [INFO] [stdout] 7ad91a4c6bef7251671d11b8a9143b61d94c7ced84eb9d4914f59a9571d8c156 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bdec1f0908e463aefd6022e4d03706973d3b394d6c6bb8af5e18e32f0cdd38ab [INFO] running `Command { std: "docker" "start" "-a" "bdec1f0908e463aefd6022e4d03706973d3b394d6c6bb8af5e18e32f0cdd38ab", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:75:22 [INFO] [stdout] | [INFO] [stdout] 75 | type Thunk<'a> = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 75 | type Thunk<'a> = Box; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling scoped_threadpool v0.1.9 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred [INFO] [stdout] --> tests/threads-living-too-long-demo.rs:5:37 [INFO] [stdout] | [INFO] [stdout] 5 | use std::sync::atomic::{AtomicBool, ATOMIC_BOOL_INIT}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:50:1 [INFO] [stdout] | [INFO] [stdout] 50 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:75:22 [INFO] [stdout] | [INFO] [stdout] 75 | type Thunk<'a> = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 75 | type Thunk<'a> = Box; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred [INFO] [stdout] --> tests/threads-living-too-long-demo.rs:38:35 [INFO] [stdout] | [INFO] [stdout] 38 | static SAW_ZERO: AtomicBool = ATOMIC_BOOL_INIT; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: replace the use of the deprecated constant [INFO] [stdout] | [INFO] [stdout] 38 - static SAW_ZERO: AtomicBool = ATOMIC_BOOL_INIT; [INFO] [stdout] 38 + static SAW_ZERO: AtomicBool = AtomicBool::new(false); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred [INFO] [stdout] --> tests/threads-living-too-long-demo.rs:54:35 [INFO] [stdout] | [INFO] [stdout] 54 | static SAW_ZERO: AtomicBool = ATOMIC_BOOL_INIT; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: replace the use of the deprecated constant [INFO] [stdout] | [INFO] [stdout] 54 - static SAW_ZERO: AtomicBool = ATOMIC_BOOL_INIT; [INFO] [stdout] 54 + static SAW_ZERO: AtomicBool = AtomicBool::new(false); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> tests/threads-living-too-long-demo.rs:32:16 [INFO] [stdout] | [INFO] [stdout] 32 | self.0.compare_and_swap(old, new, Ordering::Relaxed) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.49s [INFO] running `Command { std: "docker" "inspect" "bdec1f0908e463aefd6022e4d03706973d3b394d6c6bb8af5e18e32f0cdd38ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bdec1f0908e463aefd6022e4d03706973d3b394d6c6bb8af5e18e32f0cdd38ab", kill_on_drop: false }` [INFO] [stdout] bdec1f0908e463aefd6022e4d03706973d3b394d6c6bb8af5e18e32f0cdd38ab [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 254f226ebaaa3df9901ded8489a2c61dc234cad6273d37a336d3d3a3ca4e48e6 [INFO] running `Command { std: "docker" "start" "-a" "254f226ebaaa3df9901ded8489a2c61dc234cad6273d37a336d3d3a3ca4e48e6", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:75:22 [INFO] [stderr] | [INFO] [stderr] 75 | type Thunk<'a> = Box; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 75 | type Thunk<'a> = Box; [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `scoped_threadpool` (lib) generated 1 warning (run `cargo fix --lib -p scoped_threadpool` to apply 1 suggestion) [INFO] [stderr] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred [INFO] [stderr] --> tests/threads-living-too-long-demo.rs:5:37 [INFO] [stderr] | [INFO] [stderr] 5 | use std::sync::atomic::{AtomicBool, ATOMIC_BOOL_INIT}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred [INFO] [stderr] --> tests/threads-living-too-long-demo.rs:38:35 [INFO] [stderr] | [INFO] [stderr] 38 | static SAW_ZERO: AtomicBool = ATOMIC_BOOL_INIT; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: replace the use of the deprecated constant [INFO] [stderr] | [INFO] [stderr] 38 - static SAW_ZERO: AtomicBool = ATOMIC_BOOL_INIT; [INFO] [stderr] 38 + static SAW_ZERO: AtomicBool = AtomicBool::new(false); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred [INFO] [stderr] --> tests/threads-living-too-long-demo.rs:54:35 [INFO] [stderr] | [INFO] [stderr] 54 | static SAW_ZERO: AtomicBool = ATOMIC_BOOL_INIT; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: replace the use of the deprecated constant [INFO] [stderr] | [INFO] [stderr] 54 - static SAW_ZERO: AtomicBool = ATOMIC_BOOL_INIT; [INFO] [stderr] 54 + static SAW_ZERO: AtomicBool = AtomicBool::new(false); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stderr] --> tests/threads-living-too-long-demo.rs:32:16 [INFO] [stderr] | [INFO] [stderr] 32 | self.0.compare_and_swap(old, new, Ordering::Relaxed) [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:50:1 [INFO] [stderr] | [INFO] [stderr] 50 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `scoped_threadpool` (test "threads-living-too-long-demo") generated 4 warnings (run `cargo fix --test "threads-living-too-long-demo"` to apply 2 suggestions) [INFO] [stderr] warning: `scoped_threadpool` (lib test) generated 2 warnings (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/scoped_threadpool-d66baa48055a0a74) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test tests::safe_execute ... ok [INFO] [stdout] test tests::smoketest ... ok [INFO] [stdout] test tests::scope_panic - should panic ... ok [INFO] [stdout] test tests::thread_panic - should panic ... ok [INFO] [stdout] test tests::pool_panic - should panic ... ok [INFO] [stdout] test tests::join_all_with_thread_panic ... ok [INFO] [stdout] test tests::join_all ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.00s [INFO] [stdout] [INFO] [stderr] Running tests/threads-living-too-long-demo.rs (/opt/rustwide/target/debug/deps/threads_living_too_long_demo-15364e249ea67205) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test demo_stack_allocated ... ok [INFO] [stdout] test demo_heap_allocated ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.46s [INFO] [stdout] [INFO] [stderr] Doc-tests scoped_threadpool [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 16) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "254f226ebaaa3df9901ded8489a2c61dc234cad6273d37a336d3d3a3ca4e48e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "254f226ebaaa3df9901ded8489a2c61dc234cad6273d37a336d3d3a3ca4e48e6", kill_on_drop: false }` [INFO] [stdout] 254f226ebaaa3df9901ded8489a2c61dc234cad6273d37a336d3d3a3ca4e48e6