[INFO] fetching crate sync-cell 0.2.0...
[INFO] testing sync-cell-0.2.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate sync-cell 0.2.0 into /workspace/builds/worker-4-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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sync-cell 0.2.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fe9ea18959ba69d02f685feca156b00301e39f86dbdff4ac441f266da37c57b
[INFO] running `Command { std: "docker" "start" "-a" "6fe9ea18959ba69d02f685feca156b00301e39f86dbdff4ac441f266da37c57b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fe9ea18959ba69d02f685feca156b00301e39f86dbdff4ac441f266da37c57b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fe9ea18959ba69d02f685feca156b00301e39f86dbdff4ac441f266da37c57b", kill_on_drop: false }`
[INFO] [stdout] 6fe9ea18959ba69d02f685feca156b00301e39f86dbdff4ac441f266da37c57b
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d2fae518ff59d19270209fa3f195d6544a675d9a14f7a3399e83f790984d79f
[INFO] running `Command { std: "docker" "start" "-a" "0d2fae518ff59d19270209fa3f195d6544a675d9a14f7a3399e83f790984d79f", 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 0.11s
[INFO] running `Command { std: "docker" "inspect" "0d2fae518ff59d19270209fa3f195d6544a675d9a14f7a3399e83f790984d79f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d2fae518ff59d19270209fa3f195d6544a675d9a14f7a3399e83f790984d79f", kill_on_drop: false }`
[INFO] [stdout] 0d2fae518ff59d19270209fa3f195d6544a675d9a14f7a3399e83f790984d79f
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64d6b3a9ce6370ff3e3fcf37697ebd623630d8e7e93def8789d659bf7e8f4aa0
[INFO] running `Command { std: "docker" "start" "-a" "64d6b3a9ce6370ff3e3fcf37697ebd623630d8e7e93def8789d659bf7e8f4aa0", kill_on_drop: false }`
[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]    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 `test` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "64d6b3a9ce6370ff3e3fcf37697ebd623630d8e7e93def8789d659bf7e8f4aa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64d6b3a9ce6370ff3e3fcf37697ebd623630d8e7e93def8789d659bf7e8f4aa0", kill_on_drop: false }`
[INFO] [stdout] 64d6b3a9ce6370ff3e3fcf37697ebd623630d8e7e93def8789d659bf7e8f4aa0
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d40cd8296b792d91ec8efdcaa711603d6ad81aba70f3d22c424252173bb89e62
[INFO] running `Command { std: "docker" "start" "-a" "d40cd8296b792d91ec8efdcaa711603d6ad81aba70f3d22c424252173bb89e62", 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 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sync_cell-48a891f54aaaa754)
[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_no_set_update ... ok
[INFO] [stdout] test tests::test_held_sync_cell_set_double_update ... ok
[INFO] [stdout] test tests::test_held_sync_cell_no_set ... ok
[INFO] [stdout] test tests::test_held_sync_cell_set_no_update ... 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_get ... ok
[INFO] [stdout] test tests::test_sync_cell_replace ... ok
[INFO] [stdout] test tests::test_held_sync_cell_get ... ok
[INFO] [stdout] test tests::test_held_sync_cell_set_into_inner ... ok
[INFO] [stdout] test tests::test_sync_cell_new ... ok
[INFO] [stdout] test tests::test_held_sync_cell_new ... 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_set ... ok
[INFO] [stdout] test tests::test_sync_cell_mutable_borrow_poisoned - should panic ... ok
[INFO] [stdout] test tests::test_sync_cell_replace_poisoned - should panic ... ok
[INFO] [stdout] test tests::test_sync_cell_set_poisoned - should panic ... ok
[INFO] [stdout] test tests::test_sync_cell_get_poisoned - should panic ... ok
[INFO] [stdout] test tests::test_held_sync_cell_mutable_borrow ... ok
[INFO] [stdout] test tests::test_held_sync_cell_mutable_borrow_set ... ok
[INFO] [stderr]    Doc-tests sync_cell
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[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 33) ... ok
[INFO] [stdout] test src/lib.rs - SyncCell (line 63) ... ok
[INFO] [stdout] test src/lib.rs - HeldSyncCell (line 231) ... ok
[INFO] [stdout] test src/lib.rs - SyncCell (line 46) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.69s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d40cd8296b792d91ec8efdcaa711603d6ad81aba70f3d22c424252173bb89e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d40cd8296b792d91ec8efdcaa711603d6ad81aba70f3d22c424252173bb89e62", kill_on_drop: false }`
[INFO] [stdout] d40cd8296b792d91ec8efdcaa711603d6ad81aba70f3d22c424252173bb89e62
