[INFO] fetching crate jthread 0.1.1... [INFO] testing jthread-0.1.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate jthread 0.1.1 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate jthread 0.1.1 [INFO] finished tweaking crates.io crate jthread 0.1.1 [INFO] tweaked toml for crates.io crate jthread 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate jthread 0.1.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 81 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.5.1 (available: v0.7.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e35574f7477e4011de05b81be4a96476aa192641e243fe7520fa899b6a157df2 [INFO] running `Command { std: "docker" "start" "-a" "e35574f7477e4011de05b81be4a96476aa192641e243fe7520fa899b6a157df2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e35574f7477e4011de05b81be4a96476aa192641e243fe7520fa899b6a157df2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e35574f7477e4011de05b81be4a96476aa192641e243fe7520fa899b6a157df2", kill_on_drop: false }` [INFO] [stdout] e35574f7477e4011de05b81be4a96476aa192641e243fe7520fa899b6a157df2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6b15e30e99fe9158d8762f01c093d579bd1ae843f54fb310a64c8cb9d8d1d1aa [INFO] running `Command { std: "docker" "start" "-a" "6b15e30e99fe9158d8762f01c093d579bd1ae843f54fb310a64c8cb9d8d1d1aa", kill_on_drop: false }` [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Compiling jthread v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:185:24 [INFO] [stdout] | [INFO] [stdout] 185 | pub(crate) fn lock(&mut self) -> LockResult> { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 185 | pub(crate) fn lock(&mut self) -> LockResult> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s [INFO] running `Command { std: "docker" "inspect" "6b15e30e99fe9158d8762f01c093d579bd1ae843f54fb310a64c8cb9d8d1d1aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b15e30e99fe9158d8762f01c093d579bd1ae843f54fb310a64c8cb9d8d1d1aa", kill_on_drop: false }` [INFO] [stdout] 6b15e30e99fe9158d8762f01c093d579bd1ae843f54fb310a64c8cb9d8d1d1aa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3b8bcd71e31cf9d25953bba779e6796f8e34fae87e6dddd68adc894b8a3b00a2 [INFO] running `Command { std: "docker" "start" "-a" "3b8bcd71e31cf9d25953bba779e6796f8e34fae87e6dddd68adc894b8a3b00a2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling rayon-core v1.13.0 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling cfg-if v1.0.3 [INFO] [stderr] Compiling serde_json v1.0.143 [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling ryu v1.0.20 [INFO] [stderr] Compiling itoa v1.0.15 [INFO] [stderr] Compiling plotters-backend v0.3.7 [INFO] [stderr] Compiling clap_lex v0.7.5 [INFO] [stderr] Compiling ciborium-io v0.2.2 [INFO] [stderr] Compiling anstyle v1.0.11 [INFO] [stderr] Compiling memchr v2.7.5 [INFO] [stderr] Compiling half v2.6.0 [INFO] [stderr] Compiling regex-syntax v0.8.6 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling cast v0.3.0 [INFO] [stderr] Compiling clap_builder v4.5.46 [INFO] [stderr] Compiling walkdir v2.5.0 [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Compiling anes v0.1.6 [INFO] [stderr] Compiling oorandom v11.1.5 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:185:24 [INFO] [stdout] | [INFO] [stdout] 185 | pub(crate) fn lock(&mut self) -> LockResult> { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 185 | pub(crate) fn lock(&mut self) -> LockResult> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling ciborium-ll v0.2.2 [INFO] [stderr] Compiling plotters-svg v0.3.7 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling crossbeam-deque v0.8.6 [INFO] [stderr] Compiling regex-automata v0.4.10 [INFO] [stderr] Compiling is-terminal v0.4.16 [INFO] [stderr] Compiling clap v4.5.46 [INFO] [stderr] Compiling criterion-plot v0.5.0 [INFO] [stderr] Compiling rayon v1.11.0 [INFO] [stderr] Compiling plotters v0.3.7 [INFO] [stderr] Compiling regex v1.11.2 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling ciborium v0.2.2 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling criterion v0.5.1 [INFO] [stderr] Compiling jthread v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:553:17 [INFO] [stdout] | [INFO] [stdout] 553 | struct Fork(u32); [INFO] [stdout] | ---- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Fork` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:185:24 [INFO] [stdout] | [INFO] [stdout] 185 | pub(crate) fn lock(&mut self) -> LockResult> { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 185 | pub(crate) fn lock(&mut self) -> LockResult> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 25.87s [INFO] running `Command { std: "docker" "inspect" "3b8bcd71e31cf9d25953bba779e6796f8e34fae87e6dddd68adc894b8a3b00a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b8bcd71e31cf9d25953bba779e6796f8e34fae87e6dddd68adc894b8a3b00a2", kill_on_drop: false }` [INFO] [stdout] 3b8bcd71e31cf9d25953bba779e6796f8e34fae87e6dddd68adc894b8a3b00a2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] acd32a4f82fdb2fe8661e987484f80dad8ef0995619ab77f1b635fbe64ac1fa3 [INFO] running `Command { std: "docker" "start" "-a" "acd32a4f82fdb2fe8661e987484f80dad8ef0995619ab77f1b635fbe64ac1fa3", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:185:24 [INFO] [stderr] | [INFO] [stderr] 185 | pub(crate) fn lock(&mut self) -> LockResult> { [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 185 | pub(crate) fn lock(&mut self) -> LockResult> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `jthread` (lib) generated 1 warning (run `cargo fix --lib -p jthread` to apply 1 suggestion) [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/lib.rs:553:17 [INFO] [stderr] | [INFO] [stderr] 553 | struct Fork(u32); [INFO] [stderr] | ---- ^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this struct [INFO] [stderr] | [INFO] [stderr] = help: consider removing this field [INFO] [stderr] = note: `Fork` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `jthread` (lib test) generated 2 warnings (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/jthread-a5a990ba3889387f) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test directed_graph::directed_graph_tests::test_empty_graph ... ok [INFO] [stdout] test directed_graph::directed_graph_tests::test_single_node_self_loop ... ok [INFO] [stdout] test directed_graph::directed_graph_tests::test_adding_edge_no_cycle ... ok [INFO] [stdout] test directed_graph::directed_graph_tests::test_adding_edge_creates_cycle ... ok [INFO] [stdout] test tests::concurrent_access ... ok [INFO] [stdout] test tests::different_regions_multi_threaded ... ok [INFO] [stdout] test tests::dining_philosophers_different_region ... ok [INFO] [stdout] test tests::dining_philosophers_same_region ... ok [INFO] [stdout] test tests::same_regions ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.52s [INFO] [stdout] [INFO] [stderr] Doc-tests jthread [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test src/lib.rs - JMutex::new (line 145) ... ok [INFO] [stdout] test src/lib.rs - Region (line 82) ... ok [INFO] [stdout] test src/lib.rs - JMutex::with_default (line 168) ... ok [INFO] [stdout] test src/lib.rs - sync (line 376) ... ok [INFO] [stdout] test src/lib.rs - JMutex (line 121) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "acd32a4f82fdb2fe8661e987484f80dad8ef0995619ab77f1b635fbe64ac1fa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "acd32a4f82fdb2fe8661e987484f80dad8ef0995619ab77f1b635fbe64ac1fa3", kill_on_drop: false }` [INFO] [stdout] acd32a4f82fdb2fe8661e987484f80dad8ef0995619ab77f1b635fbe64ac1fa3