[INFO] fetching crate rco-cell 0.1.0...
[INFO] testing rco-cell-0.1.0 against 1.95.0 for beta-1.96-2
[INFO] extracting crate rco-cell 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate rco-cell 0.1.0
[INFO] finished tweaking crates.io crate rco-cell 0.1.0
[INFO] tweaked toml for crates.io crate rco-cell 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rco-cell 0.1.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0784cc506a37345dc9577a56e07b401805c1f58146e3e1c79e5d6a2e4e8f5d81
[INFO] running `Command { std: "docker" "start" "-a" "0784cc506a37345dc9577a56e07b401805c1f58146e3e1c79e5d6a2e4e8f5d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0784cc506a37345dc9577a56e07b401805c1f58146e3e1c79e5d6a2e4e8f5d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0784cc506a37345dc9577a56e07b401805c1f58146e3e1c79e5d6a2e4e8f5d81", kill_on_drop: false }`
[INFO] [stdout] 0784cc506a37345dc9577a56e07b401805c1f58146e3e1c79e5d6a2e4e8f5d81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70f901a7e34174489f260691f755567065306d0a2cc685aa8a6b15cd5917e85d
[INFO] running `Command { std: "docker" "start" "-a" "70f901a7e34174489f260691f755567065306d0a2cc685aa8a6b15cd5917e85d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rco-cell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:246:27
[INFO] [stdout]     |
[INFO] [stdout] 246 |     pub fn try_borrow_mut(&self) -> Result<RefMut<T>, RcOCellError> {
[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] 246 |     pub fn try_borrow_mut(&self) -> Result<RefMut<'_, T>, RcOCellError> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:260:23
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub fn try_borrow(&self) -> Result<Ref<T>, RcOCellError> {
[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] 260 |     pub fn try_borrow(&self) -> Result<Ref<'_, T>, RcOCellError> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:274:19
[INFO] [stdout]     |
[INFO] [stdout] 274 |     pub fn borrow(&self) -> Ref<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] 274 |     pub fn borrow(&self) -> Ref<'_, T> {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:282:23
[INFO] [stdout]     |
[INFO] [stdout] 282 |     pub fn borrow_mut(&self) -> RefMut<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] 282 |     pub fn borrow_mut(&self) -> RefMut<'_, T> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "70f901a7e34174489f260691f755567065306d0a2cc685aa8a6b15cd5917e85d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70f901a7e34174489f260691f755567065306d0a2cc685aa8a6b15cd5917e85d", kill_on_drop: false }`
[INFO] [stdout] 70f901a7e34174489f260691f755567065306d0a2cc685aa8a6b15cd5917e85d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9bd20580c4bf865ac07ce4d85b326351cb8be6b6a54adb65d6086a2b68310c2
[INFO] running `Command { std: "docker" "start" "-a" "d9bd20580c4bf865ac07ce4d85b326351cb8be6b6a54adb65d6086a2b68310c2", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:246:27
[INFO] [stdout]     |
[INFO] [stdout] 246 |     pub fn try_borrow_mut(&self) -> Result<RefMut<T>, RcOCellError> {
[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] 246 |     pub fn try_borrow_mut(&self) -> Result<RefMut<'_, T>, RcOCellError> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:260:23
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub fn try_borrow(&self) -> Result<Ref<T>, RcOCellError> {
[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] 260 |     pub fn try_borrow(&self) -> Result<Ref<'_, T>, RcOCellError> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:274:19
[INFO] [stdout]     |
[INFO] [stdout] 274 |     pub fn borrow(&self) -> Ref<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] 274 |     pub fn borrow(&self) -> Ref<'_, T> {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:282:23
[INFO] [stdout]     |
[INFO] [stdout] 282 |     pub fn borrow_mut(&self) -> RefMut<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] 282 |     pub fn borrow_mut(&self) -> RefMut<'_, T> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rco-cell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:246:27
[INFO] [stdout]     |
[INFO] [stdout] 246 |     pub fn try_borrow_mut(&self) -> Result<RefMut<T>, RcOCellError> {
[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] 246 |     pub fn try_borrow_mut(&self) -> Result<RefMut<'_, T>, RcOCellError> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:260:23
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub fn try_borrow(&self) -> Result<Ref<T>, RcOCellError> {
[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] 260 |     pub fn try_borrow(&self) -> Result<Ref<'_, T>, RcOCellError> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:274:19
[INFO] [stdout]     |
[INFO] [stdout] 274 |     pub fn borrow(&self) -> Ref<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] 274 |     pub fn borrow(&self) -> Ref<'_, T> {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:282:23
[INFO] [stdout]     |
[INFO] [stdout] 282 |     pub fn borrow_mut(&self) -> RefMut<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] 282 |     pub fn borrow_mut(&self) -> RefMut<'_, T> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "d9bd20580c4bf865ac07ce4d85b326351cb8be6b6a54adb65d6086a2b68310c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9bd20580c4bf865ac07ce4d85b326351cb8be6b6a54adb65d6086a2b68310c2", kill_on_drop: false }`
[INFO] [stdout] d9bd20580c4bf865ac07ce4d85b326351cb8be6b6a54adb65d6086a2b68310c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 113d3583387715eb3ad08085ccdc1eb925dc4630e0ac7c54c4411b323740eb02
[INFO] running `Command { std: "docker" "start" "-a" "113d3583387715eb3ad08085ccdc1eb925dc4630e0ac7c54c4411b323740eb02", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:246:27
[INFO] [stderr]     |
[INFO] [stderr] 246 |     pub fn try_borrow_mut(&self) -> Result<RefMut<T>, RcOCellError> {
[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] 246 |     pub fn try_borrow_mut(&self) -> Result<RefMut<'_, T>, RcOCellError> {
[INFO] [stderr]     |                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:260:23
[INFO] [stderr]     |
[INFO] [stderr] 260 |     pub fn try_borrow(&self) -> Result<Ref<T>, RcOCellError> {
[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] 260 |     pub fn try_borrow(&self) -> Result<Ref<'_, T>, RcOCellError> {
[INFO] [stderr]     |                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:274:19
[INFO] [stderr]     |
[INFO] [stderr] 274 |     pub fn borrow(&self) -> Ref<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] 274 |     pub fn borrow(&self) -> Ref<'_, T> {
[INFO] [stderr]     |                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:282:23
[INFO] [stderr]     |
[INFO] [stderr] 282 |     pub fn borrow_mut(&self) -> RefMut<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] 282 |     pub fn borrow_mut(&self) -> RefMut<'_, T> {
[INFO] [stderr]     |                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: `rco-cell` (lib) generated 4 warnings (run `cargo fix --lib -p rco-cell` to apply 4 suggestions)
[INFO] [stderr] warning: `rco-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/rco_cell-192154b0aece9172)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test tests::test_conv_option ... ok
[INFO] [stdout] test tests::test_clone ... ok
[INFO] [stdout] test tests::test_conv_result ... ok
[INFO] [stdout] test tests::test_conv_vec ... ok
[INFO] [stdout] test tests::test_conv_unwrap ... ok
[INFO] [stdout] test tests::test_display ... ok
[INFO] [stdout] test tests::test_downgrade ... ok
[INFO] [stdout] test tests::test_get_clone ... ok
[INFO] [stdout] test tests::test_map ... ok
[INFO] [stdout] test tests::test_compute ... ok
[INFO] [stdout] test tests::test_set_and_reset_from ... ok
[INFO] [stdout] test tests::test_set_and_reset_new ... ok
[INFO] [stdout] test tests::test_clear_panic ... ok
[INFO] [stdout] test tests::test_downgrade_set ... ok
[INFO] [stdout] test tests::test_get_empty_panic ... ok
[INFO] [stdout] test tests::test_downgrade_get ... ok
[INFO] [stdout] test tests::test_replace_panic ... ok
[INFO] [stdout] test tests::test_set_panic ... ok
[INFO] [stdout] test tests::test_borrow_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rco_cell
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "113d3583387715eb3ad08085ccdc1eb925dc4630e0ac7c54c4411b323740eb02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "113d3583387715eb3ad08085ccdc1eb925dc4630e0ac7c54c4411b323740eb02", kill_on_drop: false }`
[INFO] [stdout] 113d3583387715eb3ad08085ccdc1eb925dc4630e0ac7c54c4411b323740eb02
