[INFO] fetching crate jthread 0.1.1...
[INFO] testing jthread-0.1.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate jthread 0.1.1 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate jthread 0.1.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 63 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae7173aa5f318df41c424063260b0f1b6e9f69cf08ef256f7d370c5000711143
[INFO] running `Command { std: "docker" "start" "-a" "ae7173aa5f318df41c424063260b0f1b6e9f69cf08ef256f7d370c5000711143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae7173aa5f318df41c424063260b0f1b6e9f69cf08ef256f7d370c5000711143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae7173aa5f318df41c424063260b0f1b6e9f69cf08ef256f7d370c5000711143", kill_on_drop: false }`
[INFO] [stdout] ae7173aa5f318df41c424063260b0f1b6e9f69cf08ef256f7d370c5000711143
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6897116d06c812bd199c1e0473c9afc7b6b96e886192818422c172c1f7fb88ac
[INFO] running `Command { std: "docker" "start" "-a" "6897116d06c812bd199c1e0473c9afc7b6b96e886192818422c172c1f7fb88ac", kill_on_drop: false }`
[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<MutexGuard<D>> {
[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<MutexGuard<'_, D>> {
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "6897116d06c812bd199c1e0473c9afc7b6b96e886192818422c172c1f7fb88ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6897116d06c812bd199c1e0473c9afc7b6b96e886192818422c172c1f7fb88ac", kill_on_drop: false }`
[INFO] [stdout] 6897116d06c812bd199c1e0473c9afc7b6b96e886192818422c172c1f7fb88ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc9c148180ac6294b2524f0dbde894c0e18ac18ed547e8b0f9273b1515fd1844
[INFO] running `Command { std: "docker" "start" "-a" "bc9c148180ac6294b2524f0dbde894c0e18ac18ed547e8b0f9273b1515fd1844", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling clap_lex v0.7.6
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling anes v0.1.6
[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<MutexGuard<D>> {
[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<MutexGuard<'_, D>> {
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling clap_builder v4.5.51
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling clap v4.5.51
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[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<MutexGuard<D>> {
[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<MutexGuard<'_, D>> {
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 30.65s
[INFO] running `Command { std: "docker" "inspect" "bc9c148180ac6294b2524f0dbde894c0e18ac18ed547e8b0f9273b1515fd1844", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc9c148180ac6294b2524f0dbde894c0e18ac18ed547e8b0f9273b1515fd1844", kill_on_drop: false }`
[INFO] [stdout] bc9c148180ac6294b2524f0dbde894c0e18ac18ed547e8b0f9273b1515fd1844
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 42445a8f634b9835b9b08f2ce1ea75651848921148bd966b9e84fca49cc8f3f8
[INFO] running `Command { std: "docker" "start" "-a" "42445a8f634b9835b9b08f2ce1ea75651848921148bd966b9e84fca49cc8f3f8", 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<MutexGuard<D>> {
[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<MutexGuard<'_, D>> {
[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 0.18s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/jthread-681479e2b00be41e)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test directed_graph::directed_graph_tests::test_adding_edge_creates_cycle ... ok
[INFO] [stdout] test directed_graph::directed_graph_tests::test_adding_edge_no_cycle ... ok
[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 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] [stderr]    Doc-tests jthread
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.51s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - JMutex<D>::new (line 145) ... ok
[INFO] [stdout] test src/lib.rs - Region (line 82) ... ok
[INFO] [stdout] test src/lib.rs - JMutex<D>::with_default (line 168) ... ok
[INFO] [stdout] test src/lib.rs - JMutex (line 121) ... ok
[INFO] [stdout] test src/lib.rs - sync (line 376) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.48s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "42445a8f634b9835b9b08f2ce1ea75651848921148bd966b9e84fca49cc8f3f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42445a8f634b9835b9b08f2ce1ea75651848921148bd966b9e84fca49cc8f3f8", kill_on_drop: false }`
[INFO] [stdout] 42445a8f634b9835b9b08f2ce1ea75651848921148bd966b9e84fca49cc8f3f8
