[INFO] fetching crate sync-cell 0.2.0...
[INFO] testing sync-cell-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate sync-cell 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate sync-cell 0.2.0
[INFO] finished tweaking crates.io crate sync-cell 0.2.0
[INFO] tweaked toml for crates.io crate sync-cell 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sync-cell 0.2.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a4e09bcc6dae6d82c49449250a2a0ccdc003db4a0d70ee983cde13d4e9cfc1a
[INFO] running `Command { std: "docker" "start" "-a" "4a4e09bcc6dae6d82c49449250a2a0ccdc003db4a0d70ee983cde13d4e9cfc1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a4e09bcc6dae6d82c49449250a2a0ccdc003db4a0d70ee983cde13d4e9cfc1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a4e09bcc6dae6d82c49449250a2a0ccdc003db4a0d70ee983cde13d4e9cfc1a", kill_on_drop: false }`
[INFO] [stdout] 4a4e09bcc6dae6d82c49449250a2a0ccdc003db4a0d70ee983cde13d4e9cfc1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 504ffe6c579fb2a02843294b36c55550e5c58be56ba555f503bbde87f7430d88
[INFO] running `Command { std: "docker" "start" "-a" "504ffe6c579fb2a02843294b36c55550e5c58be56ba555f503bbde87f7430d88", kill_on_drop: false }`
[INFO] [stderr]    Compiling sync-cell v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:146:19
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn borrow(&self) -> RwLockReadGuard<T> {
[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] 146 |     pub fn borrow(&self) -> RwLockReadGuard<'_, T> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:157:23
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn borrow_mut(&self) -> RwLockWriteGuard<T> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn borrow_mut(&self) -> RwLockWriteGuard<'_, T> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:293:19
[INFO] [stdout]     |
[INFO] [stdout] 293 |     pub fn borrow(&self) -> RwLockReadGuard<T> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 293 |     pub fn borrow(&self) -> RwLockReadGuard<'_, T> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:303:23
[INFO] [stdout]     |
[INFO] [stdout] 303 |     pub fn borrow_mut(&self) -> RwLockWriteGuard<T> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 303 |     pub fn borrow_mut(&self) -> RwLockWriteGuard<'_, T> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "504ffe6c579fb2a02843294b36c55550e5c58be56ba555f503bbde87f7430d88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "504ffe6c579fb2a02843294b36c55550e5c58be56ba555f503bbde87f7430d88", kill_on_drop: false }`
[INFO] [stdout] 504ffe6c579fb2a02843294b36c55550e5c58be56ba555f503bbde87f7430d88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6b21fc143f36f9936066485cbb0b42ce11ccfbaa359a48ff6e57c8c769c8904
[INFO] running `Command { std: "docker" "start" "-a" "e6b21fc143f36f9936066485cbb0b42ce11ccfbaa359a48ff6e57c8c769c8904", kill_on_drop: false }`
[INFO] [stderr]    Compiling sync-cell v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:146:19
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn borrow(&self) -> RwLockReadGuard<T> {
[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] 146 |     pub fn borrow(&self) -> RwLockReadGuard<'_, T> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:157:23
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn borrow_mut(&self) -> RwLockWriteGuard<T> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn borrow_mut(&self) -> RwLockWriteGuard<'_, T> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:293:19
[INFO] [stdout]     |
[INFO] [stdout] 293 |     pub fn borrow(&self) -> RwLockReadGuard<T> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 293 |     pub fn borrow(&self) -> RwLockReadGuard<'_, T> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:303:23
[INFO] [stdout]     |
[INFO] [stdout] 303 |     pub fn borrow_mut(&self) -> RwLockWriteGuard<T> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 303 |     pub fn borrow_mut(&self) -> RwLockWriteGuard<'_, T> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:146:19
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn borrow(&self) -> RwLockReadGuard<T> {
[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] 146 |     pub fn borrow(&self) -> RwLockReadGuard<'_, T> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:157:23
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn borrow_mut(&self) -> RwLockWriteGuard<T> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn borrow_mut(&self) -> RwLockWriteGuard<'_, T> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:293:19
[INFO] [stdout]     |
[INFO] [stdout] 293 |     pub fn borrow(&self) -> RwLockReadGuard<T> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 293 |     pub fn borrow(&self) -> RwLockReadGuard<'_, T> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:303:23
[INFO] [stdout]     |
[INFO] [stdout] 303 |     pub fn borrow_mut(&self) -> RwLockWriteGuard<T> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 303 |     pub fn borrow_mut(&self) -> RwLockWriteGuard<'_, T> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "e6b21fc143f36f9936066485cbb0b42ce11ccfbaa359a48ff6e57c8c769c8904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6b21fc143f36f9936066485cbb0b42ce11ccfbaa359a48ff6e57c8c769c8904", kill_on_drop: false }`
[INFO] [stdout] e6b21fc143f36f9936066485cbb0b42ce11ccfbaa359a48ff6e57c8c769c8904
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 468e073c7534b24ab741605ffbbc22fd8fa952e89edf1fbabc0a93c8a0a91d21
[INFO] running `Command { std: "docker" "start" "-a" "468e073c7534b24ab741605ffbbc22fd8fa952e89edf1fbabc0a93c8a0a91d21", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:146:19
[INFO] [stderr]     |
[INFO] [stderr] 146 |     pub fn borrow(&self) -> RwLockReadGuard<T> {
[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] 146 |     pub fn borrow(&self) -> RwLockReadGuard<'_, T> {
[INFO] [stderr]     |                                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:157:23
[INFO] [stderr]     |
[INFO] [stderr] 157 |     pub fn borrow_mut(&self) -> RwLockWriteGuard<T> {
[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] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 157 |     pub fn borrow_mut(&self) -> RwLockWriteGuard<'_, T> {
[INFO] [stderr]     |                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:293:19
[INFO] [stderr]     |
[INFO] [stderr] 293 |     pub fn borrow(&self) -> RwLockReadGuard<T> {
[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] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 293 |     pub fn borrow(&self) -> RwLockReadGuard<'_, T> {
[INFO] [stderr]     |                                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:303:23
[INFO] [stderr]     |
[INFO] [stderr] 303 |     pub fn borrow_mut(&self) -> RwLockWriteGuard<T> {
[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] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 303 |     pub fn borrow_mut(&self) -> RwLockWriteGuard<'_, T> {
[INFO] [stderr]     |                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: `sync-cell` (lib) generated 4 warnings (run `cargo fix --lib -p sync-cell` to apply 4 suggestions)
[INFO] [stderr] warning: `sync-cell` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sync_cell-9bee17a5d3202351)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test tests::test_held_sync_cell_into_inner ... ok
[INFO] [stdout] test tests::test_held_sync_cell_mutable_borrow_set ... ok
[INFO] [stdout] test tests::test_held_sync_cell_mutable_borrow ... ok
[INFO] [stdout] test tests::test_held_sync_cell_new ... ok
[INFO] [stdout] test tests::test_held_sync_cell_no_set ... ok
[INFO] [stdout] test tests::test_held_sync_cell_get ... ok
[INFO] [stdout] test tests::test_held_sync_cell_set_double_update ... ok
[INFO] [stdout] test tests::test_held_sync_cell_set_into_inner ... ok
[INFO] [stdout] test tests::test_held_sync_cell_set_update ... ok
[INFO] [stdout] test tests::test_held_sync_cell_set_update_into_inner ... ok
[INFO] [stdout] test tests::test_sync_cell_into_inner ... ok
[INFO] [stdout] test tests::test_sync_cell_mutable_borrow ... ok
[INFO] [stdout] test tests::test_sync_cell_replace ... ok
[INFO] [stdout] test tests::test_sync_cell_set ... ok
[INFO] [stdout] test tests::test_sync_cell_get ... ok
[INFO] [stdout] test tests::test_sync_cell_new ... ok
[INFO] [stdout] test tests::test_held_sync_cell_no_set_update ... ok
[INFO] [stdout] test tests::test_sync_cell_get_poisoned - should panic ... ok
[INFO] [stdout] test tests::test_sync_cell_set_poisoned - should panic ... ok
[INFO] [stdout] test tests::test_sync_cell_replace_poisoned - should panic ... ok
[INFO] [stdout] test tests::test_sync_cell_mutable_borrow_poisoned - should panic ... ok
[INFO] [stdout] test tests::test_held_sync_cell_set_no_update ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sync_cell
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - SyncCell (line 23) ... ok
[INFO] [stdout] test src/lib.rs - SyncCell (line 46) ... ok
[INFO] [stdout] test src/lib.rs - SyncCell (line 33) ... ok
[INFO] [stdout] test src/lib.rs - HeldSyncCell (line 231) ... ok
[INFO] [stdout] test src/lib.rs - SyncCell (line 63) ... 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" "468e073c7534b24ab741605ffbbc22fd8fa952e89edf1fbabc0a93c8a0a91d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "468e073c7534b24ab741605ffbbc22fd8fa952e89edf1fbabc0a93c8a0a91d21", kill_on_drop: false }`
[INFO] [stdout] 468e073c7534b24ab741605ffbbc22fd8fa952e89edf1fbabc0a93c8a0a91d21
