[INFO] fetching crate tracing-mutex 0.3.1...
[INFO] testing tracing-mutex-0.3.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate tracing-mutex 0.3.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate tracing-mutex 0.3.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tracing-mutex 0.3.1
[INFO] tweaked toml for crates.io crate tracing-mutex 0.3.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-mutex 0.3.1 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] crate crates.io crate tracing-mutex 0.3.1 already has a lockfile, it will not be regenerated
[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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 56c7646257d63ab286c1512755cf83d7aad40a10378bf4a066ad41f004454075
[INFO] running `Command { std: "docker" "start" "-a" "56c7646257d63ab286c1512755cf83d7aad40a10378bf4a066ad41f004454075", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56c7646257d63ab286c1512755cf83d7aad40a10378bf4a066ad41f004454075", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56c7646257d63ab286c1512755cf83d7aad40a10378bf4a066ad41f004454075", kill_on_drop: false }`
[INFO] [stdout] 56c7646257d63ab286c1512755cf83d7aad40a10378bf4a066ad41f004454075
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9b5ca0540c19a349b24d5db8b021373d65413d1f398576d24d14722617d521d1
[INFO] running `Command { std: "docker" "start" "-a" "9b5ca0540c19a349b24d5db8b021373d65413d1f398576d24d14722617d521d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling tracing-mutex v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:166:25
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub fn get_borrowed(&self) -> BorrowedMutex {
[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] 166 |     pub fn get_borrowed(&self) -> BorrowedMutex<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/stdsync/tracing.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn lock(&self) -> LockResult<MutexGuard<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] 82 |     pub fn lock(&self) -> LockResult<MutexGuard<'_, T>> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/stdsync/tracing.rs:101:21
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn try_lock(&self) -> TryLockResult<MutexGuard<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] 101 |     pub fn try_lock(&self) -> TryLockResult<MutexGuard<'_, T>> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/stdsync/tracing.rs:311:17
[INFO] [stdout]     |
[INFO] [stdout] 311 |     pub fn read(&self) -> LockResult<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] 311 |     pub fn read(&self) -> LockResult<RwLockReadGuard<'_, T>> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/stdsync/tracing.rs:328:18
[INFO] [stdout]     |
[INFO] [stdout] 328 |     pub fn write(&self) -> LockResult<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] 328 |     pub fn write(&self) -> LockResult<RwLockWriteGuard<'_, T>> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/stdsync/tracing.rs:345:21
[INFO] [stdout]     |
[INFO] [stdout] 345 |     pub fn try_read(&self) -> TryLockResult<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] 345 |     pub fn try_read(&self) -> TryLockResult<RwLockReadGuard<'_, T>> {
[INFO] [stdout]     |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/stdsync/tracing.rs:362:22
[INFO] [stdout]     |
[INFO] [stdout] 362 |     pub fn try_write(&self) -> TryLockResult<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] 362 |     pub fn try_write(&self) -> TryLockResult<RwLockWriteGuard<'_, T>> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.99s
[INFO] running `Command { std: "docker" "inspect" "9b5ca0540c19a349b24d5db8b021373d65413d1f398576d24d14722617d521d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b5ca0540c19a349b24d5db8b021373d65413d1f398576d24d14722617d521d1", kill_on_drop: false }`
[INFO] [stdout] 9b5ca0540c19a349b24d5db8b021373d65413d1f398576d24d14722617d521d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e4e9cbfa1d41266f2592ca4fd79dec92900f67958e63f0690aefa59e3df4484f
[INFO] running `Command { std: "docker" "start" "-a" "e4e9cbfa1d41266f2592ca4fd79dec92900f67958e63f0690aefa59e3df4484f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]    Compiling rustix v0.38.43
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling clap_lex v0.5.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling anstyle v1.0.2
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling ciborium-io v0.2.1
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling ciborium-ll v0.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling clap_builder v4.4.0
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling plotters-svg v0.3.5
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:166:25
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub fn get_borrowed(&self) -> BorrowedMutex {
[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] 166 |     pub fn get_borrowed(&self) -> BorrowedMutex<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/stdsync/tracing.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn lock(&self) -> LockResult<MutexGuard<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] 82 |     pub fn lock(&self) -> LockResult<MutexGuard<'_, T>> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/stdsync/tracing.rs:101:21
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn try_lock(&self) -> TryLockResult<MutexGuard<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] 101 |     pub fn try_lock(&self) -> TryLockResult<MutexGuard<'_, T>> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/stdsync/tracing.rs:311:17
[INFO] [stdout]     |
[INFO] [stdout] 311 |     pub fn read(&self) -> LockResult<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] 311 |     pub fn read(&self) -> LockResult<RwLockReadGuard<'_, T>> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/stdsync/tracing.rs:328:18
[INFO] [stdout]     |
[INFO] [stdout] 328 |     pub fn write(&self) -> LockResult<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] 328 |     pub fn write(&self) -> LockResult<RwLockWriteGuard<'_, T>> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/stdsync/tracing.rs:345:21
[INFO] [stdout]     |
[INFO] [stdout] 345 |     pub fn try_read(&self) -> TryLockResult<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] 345 |     pub fn try_read(&self) -> TryLockResult<RwLockReadGuard<'_, T>> {
[INFO] [stdout]     |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/stdsync/tracing.rs:362:22
[INFO] [stdout]     |
[INFO] [stdout] 362 |     pub fn try_write(&self) -> TryLockResult<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] 362 |     pub fn try_write(&self) -> TryLockResult<RwLockWriteGuard<'_, T>> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling regex-automata v0.3.7
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling clap v4.4.0
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling regex v1.9.4
[INFO] [stderr]    Compiling ciborium v0.2.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling tracing-mutex v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:166:25
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub fn get_borrowed(&self) -> BorrowedMutex {
[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] 166 |     pub fn get_borrowed(&self) -> BorrowedMutex<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/stdsync/tracing.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn lock(&self) -> LockResult<MutexGuard<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] 82 |     pub fn lock(&self) -> LockResult<MutexGuard<'_, T>> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/stdsync/tracing.rs:101:21
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn try_lock(&self) -> TryLockResult<MutexGuard<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] 101 |     pub fn try_lock(&self) -> TryLockResult<MutexGuard<'_, T>> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/stdsync/tracing.rs:311:17
[INFO] [stdout]     |
[INFO] [stdout] 311 |     pub fn read(&self) -> LockResult<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] 311 |     pub fn read(&self) -> LockResult<RwLockReadGuard<'_, T>> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/stdsync/tracing.rs:328:18
[INFO] [stdout]     |
[INFO] [stdout] 328 |     pub fn write(&self) -> LockResult<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] 328 |     pub fn write(&self) -> LockResult<RwLockWriteGuard<'_, T>> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/stdsync/tracing.rs:345:21
[INFO] [stdout]     |
[INFO] [stdout] 345 |     pub fn try_read(&self) -> TryLockResult<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] 345 |     pub fn try_read(&self) -> TryLockResult<RwLockReadGuard<'_, T>> {
[INFO] [stdout]     |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/stdsync/tracing.rs:362:22
[INFO] [stdout]     |
[INFO] [stdout] 362 |     pub fn try_write(&self) -> TryLockResult<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] 362 |     pub fn try_write(&self) -> TryLockResult<RwLockWriteGuard<'_, T>> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 31.92s
[INFO] running `Command { std: "docker" "inspect" "e4e9cbfa1d41266f2592ca4fd79dec92900f67958e63f0690aefa59e3df4484f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4e9cbfa1d41266f2592ca4fd79dec92900f67958e63f0690aefa59e3df4484f", kill_on_drop: false }`
[INFO] [stdout] e4e9cbfa1d41266f2592ca4fd79dec92900f67958e63f0690aefa59e3df4484f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1e738a88527594eaf80d6c811876be259cc71000170a65fafe7f99e513d881d0
[INFO] running `Command { std: "docker" "start" "-a" "1e738a88527594eaf80d6c811876be259cc71000170a65fafe7f99e513d881d0", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:166:25
[INFO] [stderr]     |
[INFO] [stderr] 166 |     pub fn get_borrowed(&self) -> BorrowedMutex {
[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] 166 |     pub fn get_borrowed(&self) -> BorrowedMutex<'_> {
[INFO] [stderr]     |                                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/stdsync/tracing.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub fn lock(&self) -> LockResult<MutexGuard<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] 82 |     pub fn lock(&self) -> LockResult<MutexGuard<'_, T>> {
[INFO] [stderr]    |                                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/stdsync/tracing.rs:101:21
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn try_lock(&self) -> TryLockResult<MutexGuard<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] 101 |     pub fn try_lock(&self) -> TryLockResult<MutexGuard<'_, T>> {
[INFO] [stderr]     |                                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/stdsync/tracing.rs:311:17
[INFO] [stderr]     |
[INFO] [stderr] 311 |     pub fn read(&self) -> LockResult<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] 311 |     pub fn read(&self) -> LockResult<RwLockReadGuard<'_, T>> {
[INFO] [stderr]     |                                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/stdsync/tracing.rs:328:18
[INFO] [stderr]     |
[INFO] [stderr] 328 |     pub fn write(&self) -> LockResult<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] 328 |     pub fn write(&self) -> LockResult<RwLockWriteGuard<'_, T>> {
[INFO] [stderr]     |                                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/stdsync/tracing.rs:345:21
[INFO] [stderr]     |
[INFO] [stderr] 345 |     pub fn try_read(&self) -> TryLockResult<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] 345 |     pub fn try_read(&self) -> TryLockResult<RwLockReadGuard<'_, T>> {
[INFO] [stderr]     |                                                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/stdsync/tracing.rs:362:22
[INFO] [stderr]     |
[INFO] [stderr] 362 |     pub fn try_write(&self) -> TryLockResult<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] 362 |     pub fn try_write(&self) -> TryLockResult<RwLockWriteGuard<'_, T>> {
[INFO] [stderr]     |                                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: `tracing-mutex` (lib) generated 7 warnings (run `cargo fix --lib -p tracing-mutex` to apply 7 suggestions)
[INFO] [stderr] warning: `tracing-mutex` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tracing_mutex-2f14b7d9b15a6edb)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test graph::tests::test_digraph ... ok
[INFO] [stdout] test stdsync::tracing::lazy_lock::tests::test_only_init_once ... ok
[INFO] [stdout] test graph::tests::test_no_self_cycle ... ok
[INFO] [stdout] test tests::test_lazy_mutex_id ... ok
[INFO] [stdout] test stdsync::tracing::tests::test_mutex_usage ... ok
[INFO] [stdout] test tests::test_mutex_id_conflict - should panic ... ok
[INFO] [stdout] test stdsync::tracing::tests::test_once_usage ... ok
[INFO] [stdout] test tests::test_next_mutex_id ... ok
[INFO] [stdout] test stdsync::tracing::lazy_lock::tests::test_panic_with_cycle - should panic ... ok
[INFO] [stdout] test stdsync::tracing::tests::test_detect_cycle - should panic ... ok
[INFO] [stdout] test stdsync::tracing::tests::test_rwlock_usage ... ok
[INFO] [stdout] test graph::tests::fuzz_digraph ... ok
[INFO] [stdout] test tests::fuzz_mutex_id ... ok
[INFO] [stderr]    Doc-tests tracing_mutex
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/stdsync/tracing/lazy_lock.rs - stdsync::tracing::lazy_lock::LazyLock (line 18) ... ok
[INFO] [stdout] test src/stdsync/tracing.rs - stdsync::tracing::Condvar (line 176) ... ok
[INFO] [stdout] test src/stdsync/tracing.rs - stdsync::tracing::OnceLock (line 488) ... ok
[INFO] [stdout] test src/stdsync.rs - stdsync (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.70s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1e738a88527594eaf80d6c811876be259cc71000170a65fafe7f99e513d881d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e738a88527594eaf80d6c811876be259cc71000170a65fafe7f99e513d881d0", kill_on_drop: false }`
[INFO] [stdout] 1e738a88527594eaf80d6c811876be259cc71000170a65fafe7f99e513d881d0