[INFO] fetching crate no_deadlocks 1.3.2...
[INFO] testing no_deadlocks-1.3.2 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate no_deadlocks 1.3.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate no_deadlocks 1.3.2
[INFO] finished tweaking crates.io crate no_deadlocks 1.3.2
[INFO] tweaked toml for crates.io crate no_deadlocks 1.3.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate no_deadlocks 1.3.2 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to highest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vector-map v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c311525745e6588649133356e9a242214fff9cab033a2f7a5b5afba2f2b319ea
[INFO] running `Command { std: "docker" "start" "c311525745e6588649133356e9a242214fff9cab033a2f7a5b5afba2f2b319ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c311525745e6588649133356e9a242214fff9cab033a2f7a5b5afba2f2b319ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c311525745e6588649133356e9a242214fff9cab033a2f7a5b5afba2f2b319ea" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c311525745e6588649133356e9a242214fff9cab033a2f7a5b5afba2f2b319ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c311525745e6588649133356e9a242214fff9cab033a2f7a5b5afba2f2b319ea" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.191
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling memchr v2.8.3
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.28
[INFO] [stderr]    Compiling vector-map v1.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling no_deadlocks v1.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lock_manager.rs:327:29
[INFO] [stdout]     |
[INFO] [stdout] 327 |     pub(crate) fn read_lock(&self) -> LockManagerReadGuard {
[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] 327 |     pub(crate) fn read_lock(&self) -> LockManagerReadGuard<'_> {
[INFO] [stdout]     |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lock_manager.rs:348:30
[INFO] [stdout]     |
[INFO] [stdout] 348 |     pub(crate) fn write_lock(&self) -> LockManagerWriteGuard {
[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] 348 |     pub(crate) fn write_lock(&self) -> LockManagerWriteGuard<'_> {
[INFO] [stdout]     |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/mutex.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 |     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] 80 |     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/mutex.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |     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] 95 |     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/rwlock.rs:72:21
[INFO] [stdout]    |
[INFO] [stdout] 72 |     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] 72 |     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/rwlock.rs:87:22
[INFO] [stdout]    |
[INFO] [stdout] 87 |     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] 87 |     pub fn try_write(&self) -> TryLockResult<RwLockWriteGuard<'_, T>> {
[INFO] [stdout]    |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rwlock.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |     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] 102 |     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/rwlock.rs:126:18
[INFO] [stdout]     |
[INFO] [stdout] 126 |     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] 126 |     pub fn write(&self) -> LockResult<RwLockWriteGuard<'_, T>> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 10.96s
[INFO] running `Command { std: "docker" "inspect" "c311525745e6588649133356e9a242214fff9cab033a2f7a5b5afba2f2b319ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c311525745e6588649133356e9a242214fff9cab033a2f7a5b5afba2f2b319ea" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lock_manager.rs:327:29
[INFO] [stdout]     |
[INFO] [stdout] 327 |     pub(crate) fn read_lock(&self) -> LockManagerReadGuard {
[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] 327 |     pub(crate) fn read_lock(&self) -> LockManagerReadGuard<'_> {
[INFO] [stdout]     |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lock_manager.rs:348:30
[INFO] [stdout]     |
[INFO] [stdout] 348 |     pub(crate) fn write_lock(&self) -> LockManagerWriteGuard {
[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] 348 |     pub(crate) fn write_lock(&self) -> LockManagerWriteGuard<'_> {
[INFO] [stdout]     |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/mutex.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 |     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] 80 |     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/mutex.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |     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] 95 |     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/rwlock.rs:72:21
[INFO] [stdout]    |
[INFO] [stdout] 72 |     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] 72 |     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/rwlock.rs:87:22
[INFO] [stdout]    |
[INFO] [stdout] 87 |     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] 87 |     pub fn try_write(&self) -> TryLockResult<RwLockWriteGuard<'_, T>> {
[INFO] [stdout]    |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rwlock.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |     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] 102 |     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/rwlock.rs:126:18
[INFO] [stdout]     |
[INFO] [stdout] 126 |     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] 126 |     pub fn write(&self) -> LockResult<RwLockWriteGuard<'_, T>> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling no_deadlocks v1.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lock_manager.rs:327:29
[INFO] [stdout]     |
[INFO] [stdout] 327 |     pub(crate) fn read_lock(&self) -> LockManagerReadGuard {
[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] 327 |     pub(crate) fn read_lock(&self) -> LockManagerReadGuard<'_> {
[INFO] [stdout]     |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lock_manager.rs:348:30
[INFO] [stdout]     |
[INFO] [stdout] 348 |     pub(crate) fn write_lock(&self) -> LockManagerWriteGuard {
[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] 348 |     pub(crate) fn write_lock(&self) -> LockManagerWriteGuard<'_> {
[INFO] [stdout]     |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/mutex.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 |     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] 80 |     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/mutex.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |     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] 95 |     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/rwlock.rs:72:21
[INFO] [stdout]    |
[INFO] [stdout] 72 |     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] 72 |     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/rwlock.rs:87:22
[INFO] [stdout]    |
[INFO] [stdout] 87 |     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] 87 |     pub fn try_write(&self) -> TryLockResult<RwLockWriteGuard<'_, T>> {
[INFO] [stdout]    |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rwlock.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |     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] 102 |     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/rwlock.rs:126:18
[INFO] [stdout]     |
[INFO] [stdout] 126 |     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] 126 |     pub fn write(&self) -> LockResult<RwLockWriteGuard<'_, T>> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "c311525745e6588649133356e9a242214fff9cab033a2f7a5b5afba2f2b319ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c311525745e6588649133356e9a242214fff9cab033a2f7a5b5afba2f2b319ea" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lock_manager.rs:327:29
[INFO] [stderr]     |
[INFO] [stderr] 327 |     pub(crate) fn read_lock(&self) -> LockManagerReadGuard {
[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] 327 |     pub(crate) fn read_lock(&self) -> LockManagerReadGuard<'_> {
[INFO] [stderr]     |                                                           ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lock_manager.rs:348:30
[INFO] [stderr]     |
[INFO] [stderr] 348 |     pub(crate) fn write_lock(&self) -> LockManagerWriteGuard {
[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] 348 |     pub(crate) fn write_lock(&self) -> LockManagerWriteGuard<'_> {
[INFO] [stderr]     |                                                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/mutex.rs:80:21
[INFO] [stderr]    |
[INFO] [stderr] 80 |     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] 80 |     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/mutex.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |     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] 95 |     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/rwlock.rs:72:21
[INFO] [stderr]    |
[INFO] [stderr] 72 |     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] 72 |     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/rwlock.rs:87:22
[INFO] [stderr]    |
[INFO] [stderr] 87 |     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] 87 |     pub fn try_write(&self) -> TryLockResult<RwLockWriteGuard<'_, T>> {
[INFO] [stderr]    |                                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/rwlock.rs:102:17
[INFO] [stderr]     |
[INFO] [stderr] 102 |     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] 102 |     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/rwlock.rs:126:18
[INFO] [stderr]     |
[INFO] [stderr] 126 |     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] 126 |     pub fn write(&self) -> LockResult<RwLockWriteGuard<'_, T>> {
[INFO] [stderr]     |                                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: `no_deadlocks` (lib) generated 8 warnings (run `cargo fix --lib -p no_deadlocks` to apply 8 suggestions)
[INFO] [stderr] warning: `no_deadlocks` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/no_deadlocks-7465965486542d9a)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test graphs::graph_loop_detection ... ok
[INFO] [stderr] =========== REPORT START ===========
[INFO] [stderr] A reentrance has been attempted, but `std::sync`'s locks are not reentrant. This results in a deadlock. dependence cycle: [Thread(ThreadId(3)), Lock(0)]
[INFO] [stderr] Lock taken at:
[INFO] [stderr]    0: test::run_test::{closure#0}
[INFO] [stderr]    1: std::sys::backtrace::__rust_begin_short_backtrace::<test::run_test::{closure#1}, ()>
[INFO] [stderr]    2: <std::thread::lifecycle::spawn_unchecked<test::run_test::{closure#1}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]    3: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]    4: <unknown>
[INFO] [stderr]    5: clone
[INFO] [stderr] 
[INFO] [stderr] Reentrace at:
[INFO] [stderr]    0: test::run_test::{closure#0}
[INFO] [stderr]    1: std::sys::backtrace::__rust_begin_short_backtrace::<test::run_test::{closure#1}, ()>
[INFO] [stderr]    2: <std::thread::lifecycle::spawn_unchecked<test::run_test::{closure#1}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]    3: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]    4: <unknown>
[INFO] [stderr]    5: clone
[INFO] [stderr] 
[INFO] [stderr] =========== REPORT END ===========
[INFO] [stderr] 
[INFO] [stdout] test lock_manager::reentrance_detection - should panic ... ok
[INFO] [stdout] test lock_manager::without_deadlock ... ok
[INFO] [stdout] test reported_issue_5 ... ok
[INFO] [stderr] =========== REPORT START ===========
[INFO] [stderr] A deadlock has been detected, here's the dependence cycle: [Thread(ThreadId(18)), Lock(2), Thread(ThreadId(4)), Lock(5)]
[INFO] [stderr] LOCK 2:
[INFO] [stderr] BLOCKING:
[INFO] [stderr]  THREAD ThreadId(18) requesting write rights at:
[INFO] [stderr]    0: <unknown>
[INFO] [stderr]    1: clone
[INFO] [stderr] 
[INFO] [stderr] BLOCKED BY:
[INFO] [stderr]  THREAD ThreadId(4) blocked at:
[INFO] [stderr]    0: test::run_test::{closure#0}
[INFO] [stderr]    1: std::sys::backtrace::__rust_begin_short_backtrace::<test::run_test::{closure#1}, ()>
[INFO] [stderr]    2: <std::thread::lifecycle::spawn_unchecked<test::run_test::{closure#1}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]    3: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]    4: <unknown>
[INFO] [stderr]    5: clone
[INFO] [stderr] 
[INFO] [stderr] LOCK 5:
[INFO] [stderr] BLOCKING:
[INFO] [stderr]  THREAD ThreadId(4) requesting write rights at:
[INFO] [stderr]    0: test::run_test::{closure#0}
[INFO] [stderr]    1: std::sys::backtrace::__rust_begin_short_backtrace::<test::run_test::{closure#1}, ()>
[INFO] [stderr]    2: <std::thread::lifecycle::spawn_unchecked<test::run_test::{closure#1}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]    3: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]    4: <unknown>
[INFO] [stderr]    5: clone
[INFO] [stderr] 
[INFO] [stderr] BLOCKED BY:
[INFO] [stderr]  THREAD ThreadId(18) blocked at:
[INFO] [stderr]    0: <unknown>
[INFO] [stderr]    1: clone
[INFO] [stderr] 
[INFO] [stderr] =========== REPORT END ===========
[INFO] [stderr] 
[INFO] [stderr] =========== REPORT START ===========
[INFO] [stderr] A deadlock has been detected, here's the dependence cycle: [Thread(ThreadId(18)), Lock(2), Thread(ThreadId(4)), Lock(5)]
[INFO] [stderr] LOCK 2:
[INFO] [stderr] BLOCKING:
[INFO] [stderr]  THREAD ThreadId(18) requesting write rights at:
[INFO] [stderr]    0: <unknown>
[INFO] [stderr]    1: clone
[INFO] [stderr] 
[INFO] [stderr] BLOCKED BY:
[INFO] [stderr]  THREAD ThreadId(4) blocked at:
[INFO] [stderr]    0: test::run_test::{closure#0}
[INFO] [stderr]    1: std::sys::backtrace::__rust_begin_short_backtrace::<test::run_test::{closure#1}, ()>
[INFO] [stderr]    2: <std::thread::lifecycle::spawn_unchecked<test::run_test::{closure#1}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]    3: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]    4: <unknown>
[INFO] [stderr]    5: clone
[INFO] [stderr] 
[INFO] [stderr] LOCK 5:
[INFO] [stderr] BLOCKING:
[INFO] [stderr]  THREAD ThreadId(4) requesting write rights at:
[INFO] [stderr]    0: test::run_test::{closure#0}
[INFO] [stderr]    1: std::sys::backtrace::__rust_begin_short_backtrace::<test::run_test::{closure#1}, ()>
[INFO] [stderr]    2: <std::thread::lifecycle::spawn_unchecked<test::run_test::{closure#1}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]    3: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]    4: <unknown>
[INFO] [stderr]    5: clone
[INFO] [stderr] 
[INFO] [stderr] BLOCKED BY:
[INFO] [stderr]  THREAD ThreadId(18) blocked at:
[INFO] [stderr]    0: <unknown>
[INFO] [stderr]    1: clone
[INFO] [stderr] 
[INFO] [stderr] =========== REPORT END ===========
[INFO] [stderr] 
[INFO] [stdout] test lock_manager::with_deadlock - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests no_deadlocks
[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" "c311525745e6588649133356e9a242214fff9cab033a2f7a5b5afba2f2b319ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c311525745e6588649133356e9a242214fff9cab033a2f7a5b5afba2f2b319ea", kill_on_drop: false }`
[INFO] [stdout] c311525745e6588649133356e9a242214fff9cab033a2f7a5b5afba2f2b319ea