[INFO] fetching crate workerpool 1.2.0... [INFO] testing workerpool-1.2.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate workerpool 1.2.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate workerpool 1.2.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate workerpool 1.2.0 [INFO] finished tweaking crates.io crate workerpool 1.2.0 [INFO] tweaked toml for crates.io crate workerpool 1.2.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8391dba37d9e3c68c6df616ab22e78853c87211affc26aa1e698165bf7c3a12c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8391dba37d9e3c68c6df616ab22e78853c87211affc26aa1e698165bf7c3a12c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8391dba37d9e3c68c6df616ab22e78853c87211affc26aa1e698165bf7c3a12c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8391dba37d9e3c68c6df616ab22e78853c87211affc26aa1e698165bf7c3a12c", kill_on_drop: false }` [INFO] [stdout] 8391dba37d9e3c68c6df616ab22e78853c87211affc26aa1e698165bf7c3a12c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d00cc84a7852fbc628e5bd2cbd8d19ead87afaae4db3048dbb9f92cc545dfd7e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d00cc84a7852fbc628e5bd2cbd8d19ead87afaae4db3048dbb9f92cc545dfd7e", kill_on_drop: false }` [INFO] [stderr] Compiling workerpool v1.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:164:27 [INFO] [stdout] | [INFO] [stdout] 164 | fn execute(&mut self, Self::Input) -> Self::Output; [INFO] [stdout] | ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1023:33 [INFO] [stdout] | [INFO] [stdout] 1023 | pub struct Thunk<'a, T>(Box + Send + 'a>); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:846:42 [INFO] [stdout] | [INFO] [stdout] 846 | self.shared_data.join_generation.compare_and_swap( [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.37s [INFO] running `Command { std: "docker" "inspect" "d00cc84a7852fbc628e5bd2cbd8d19ead87afaae4db3048dbb9f92cc545dfd7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d00cc84a7852fbc628e5bd2cbd8d19ead87afaae4db3048dbb9f92cc545dfd7e", kill_on_drop: false }` [INFO] [stdout] d00cc84a7852fbc628e5bd2cbd8d19ead87afaae4db3048dbb9f92cc545dfd7e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 202892a9f5c94bf212707eca500534a4953cd26910c4e874f27ce1be69cafabb [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "202892a9f5c94bf212707eca500534a4953cd26910c4e874f27ce1be69cafabb", kill_on_drop: false }` [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:164:27 [INFO] [stdout] | [INFO] [stdout] 164 | fn execute(&mut self, Self::Input) -> Self::Output; [INFO] [stdout] | ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1023:33 [INFO] [stdout] | [INFO] [stdout] 1023 | pub struct Thunk<'a, T>(Box + Send + 'a>); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:846:42 [INFO] [stdout] | [INFO] [stdout] 846 | self.shared_data.join_generation.compare_and_swap( [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling workerpool v1.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:164:27 [INFO] [stdout] | [INFO] [stdout] 164 | fn execute(&mut self, Self::Input) -> Self::Output; [INFO] [stdout] | ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:1023:33 [INFO] [stdout] | [INFO] [stdout] 1023 | pub struct Thunk<'a, T>(Box + Send + 'a>); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:846:42 [INFO] [stdout] | [INFO] [stdout] 846 | self.shared_data.join_generation.compare_and_swap( [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Result::::is_ok` that must be used [INFO] [stdout] --> src/lib.rs:1205:17 [INFO] [stdout] | [INFO] [stdout] 1205 | tx.send(1).is_ok(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.26s [INFO] running `Command { std: "docker" "inspect" "202892a9f5c94bf212707eca500534a4953cd26910c4e874f27ce1be69cafabb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "202892a9f5c94bf212707eca500534a4953cd26910c4e874f27ce1be69cafabb", kill_on_drop: false }` [INFO] [stdout] 202892a9f5c94bf212707eca500534a4953cd26910c4e874f27ce1be69cafabb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b92249466d765f57af699ba4b2ca5baa70b9da135cde378ae949b69e9974b1aa [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b92249466d765f57af699ba4b2ca5baa70b9da135cde378ae949b69e9974b1aa", kill_on_drop: false }` [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stderr] --> src/lib.rs:164:27 [INFO] [stderr] | [INFO] [stderr] 164 | fn execute(&mut self, Self::Input) -> Self::Output; [INFO] [stderr] | ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Input` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:1023:33 [INFO] [stderr] | [INFO] [stderr] 1023 | pub struct Thunk<'a, T>(Box + Send + 'a>); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'a` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [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 issue #80165 [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stderr] --> src/lib.rs:846:42 [INFO] [stderr] | [INFO] [stderr] 846 | self.shared_data.join_generation.compare_and_swap( [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `Result::::is_ok` that must be used [INFO] [stderr] --> src/lib.rs:1205:17 [INFO] [stderr] | [INFO] [stderr] 1205 | tx.send(1).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: `workerpool` (lib) generated 3 warnings [INFO] [stderr] warning: `workerpool` (lib test) generated 4 warnings (3 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/workerpool-d90480a7dc47f23d) [INFO] [stdout] [INFO] [stdout] running 21 tests [INFO] [stdout] test test::test_empty_pool ... ok [INFO] [stdout] test test::test_cloned_eq ... ok [INFO] [stdout] test test::test_send ... ok [INFO] [stdout] test test::test_send_shared_data ... ok [INFO] [stdout] test test::test_shrink ... ok [INFO] [stdout] test test::test_sync_shared_data ... ok [INFO] [stdout] test test::test_works ... ok [INFO] [stdout] test test::test_multi_join ... ok [INFO] [stdout] test test::test_should_not_panic_on_drop_if_subtasks_panic_after_drop ... ok [INFO] [stdout] test test::test_name ... ok [INFO] [stdout] test test::test_zero_tasks_panic - should panic ... ok [INFO] [stdout] test test::test_recovery_from_subtask_panic ... ok [INFO] [stdout] test test::test_active_count ... ok [INFO] [stdout] test test::test_debug ... ok [INFO] [stdout] test test::test_join_wavesurfer ... ok [INFO] [stdout] test test::test_clone ... ok [INFO] [stdout] test test::test_massive_task_creation ... ok [INFO] [stdout] test test::test_no_fun_or_joy ... ok [INFO] [stdout] test test::test_set_num_threads_decreasing ... ok [INFO] [stdout] test test::test_repeated_join ... ok [INFO] [stderr] Doc-tests workerpool [INFO] [stdout] test test::test_set_num_threads_increasing ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 24.03s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 24 tests [INFO] [stdout] test src/lib.rs - (line 20) ... ok [INFO] [stdout] test src/lib.rs - Pool::eq (line 926) ... ok [INFO] [stdout] test src/lib.rs - Builder::new (line 298) ... ok [INFO] [stdout] test src/lib.rs - Builder (line 276) ... ok [INFO] [stdout] test src/lib.rs - Builder::thread_stack_size (line 391) ... ok [INFO] [stdout] test src/lib.rs - Pool::execute (line 572) ... ok [INFO] [stdout] test src/lib.rs - Pool::max_count (line 692) ... ok [INFO] [stdout] test src/lib.rs - Builder::build (line 420) ... ok [INFO] [stdout] test src/lib.rs - (line 38) ... ok [INFO] [stdout] test src/lib.rs - Pool::clone (line 860) ... ok [INFO] [stdout] test src/lib.rs - Builder::num_threads (line 323) ... ok [INFO] [stdout] test src/lib.rs - Pool::execute_to (line 604) ... ok [INFO] [stdout] test src/lib.rs - Pool::new (line 515) ... ok [INFO] [stdout] test src/lib.rs - Builder::thread_name (line 356) ... ok [INFO] [stdout] test src/lib.rs - Pool::join (line 808) ... ok [INFO] [stdout] test src/lib.rs - thunk::Thunk (line 1003) ... ok [INFO] [stdout] test src/lib.rs - Pool::active_count (line 665) ... ok [INFO] [stdout] test src/lib.rs - Pool::panic_count (line 713) ... ok [INFO] [stdout] test src/lib.rs - (line 68) ... ok [INFO] [stdout] test src/lib.rs - thunk::Thunk (line 1011) ... ok [INFO] [stdout] test src/lib.rs - Pool::queued_count (line 638) ... ok [INFO] [stdout] test src/lib.rs - Pool::with_name (line 537) ... ok [INFO] [stdout] test src/lib.rs - thunk (line 957) ... ok [INFO] [stdout] test src/lib.rs - Pool::set_num_threads (line 747) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 17.04s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b92249466d765f57af699ba4b2ca5baa70b9da135cde378ae949b69e9974b1aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b92249466d765f57af699ba4b2ca5baa70b9da135cde378ae949b69e9974b1aa", kill_on_drop: false }` [INFO] [stdout] b92249466d765f57af699ba4b2ca5baa70b9da135cde378ae949b69e9974b1aa