[INFO] fetching crate fast-async-mutex 0.6.7...
[INFO] testing fast-async-mutex-0.6.7 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate fast-async-mutex 0.6.7 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate fast-async-mutex 0.6.7
[INFO] finished tweaking crates.io crate fast-async-mutex 0.6.7
[INFO] tweaked toml for crates.io crate fast-async-mutex 0.6.7 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fast-async-mutex 0.6.7 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 43 packages to latest compatible versions
[INFO] [stderr]       Adding tokio v0.3.7 (available: v1.48.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v0.3.2
[INFO] [stderr]   Downloaded bytes v0.6.0
[INFO] [stderr]   Downloaded tokio v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18a32508398ffe5f534d502b85cb4d48c5c8cf2968569b56b566e32634798409
[INFO] running `Command { std: "docker" "start" "-a" "18a32508398ffe5f534d502b85cb4d48c5c8cf2968569b56b566e32634798409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18a32508398ffe5f534d502b85cb4d48c5c8cf2968569b56b566e32634798409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18a32508398ffe5f534d502b85cb4d48c5c8cf2968569b56b566e32634798409", kill_on_drop: false }`
[INFO] [stdout] 18a32508398ffe5f534d502b85cb4d48c5c8cf2968569b56b566e32634798409
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b02e72cb4999b0f9edaf2baf048dcea332e9f7d8c072c3871659f354c6b9a5b3
[INFO] running `Command { std: "docker" "start" "-a" "b02e72cb4999b0f9edaf2baf048dcea332e9f7d8c072c3871659f354c6b9a5b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling fast-async-mutex v0.6.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/mutex.rs:42:23
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub const fn lock(&self) -> MutexGuardFuture<T> {
[INFO] [stdout]    |                       ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub const fn lock(&self) -> MutexGuardFuture<'_, T> {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/mutex_ordered.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn lock(&self) -> OrderedMutexGuardFuture<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] 46 |     pub fn lock(&self) -> OrderedMutexGuardFuture<'_, T> {
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/rwlock.rs:47:18
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn write(&self) -> RwLockWriteGuardFuture<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] 47 |     pub fn write(&self) -> RwLockWriteGuardFuture<'_, T> {
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/rwlock.rs:98:17
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn read(&self) -> RwLockReadGuardFuture<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] 98 |     pub fn read(&self) -> RwLockReadGuardFuture<'_, T> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/rwlock_ordered.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn write(&self) -> OrderedRwLockWriteGuardFuture<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] 50 |     pub fn write(&self) -> OrderedRwLockWriteGuardFuture<'_, T> {
[INFO] [stdout]    |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rwlock_ordered.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn read(&self) -> OrderedRwLockReadGuardFuture<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] 103 |     pub fn read(&self) -> OrderedRwLockReadGuardFuture<'_, T> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "b02e72cb4999b0f9edaf2baf048dcea332e9f7d8c072c3871659f354c6b9a5b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b02e72cb4999b0f9edaf2baf048dcea332e9f7d8c072c3871659f354c6b9a5b3", kill_on_drop: false }`
[INFO] [stdout] b02e72cb4999b0f9edaf2baf048dcea332e9f7d8c072c3871659f354c6b9a5b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59ecae3b595cc52c68ea447cfce00e3051a577404cab2d25d0456656e585752a
[INFO] running `Command { std: "docker" "start" "-a" "59ecae3b595cc52c68ea447cfce00e3051a577404cab2d25d0456656e585752a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling tokio v0.3.7
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/mutex.rs:42:23
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub const fn lock(&self) -> MutexGuardFuture<T> {
[INFO] [stdout]    |                       ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub const fn lock(&self) -> MutexGuardFuture<'_, T> {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/mutex_ordered.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn lock(&self) -> OrderedMutexGuardFuture<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] 46 |     pub fn lock(&self) -> OrderedMutexGuardFuture<'_, T> {
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/rwlock.rs:47:18
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn write(&self) -> RwLockWriteGuardFuture<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] 47 |     pub fn write(&self) -> RwLockWriteGuardFuture<'_, T> {
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/rwlock.rs:98:17
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn read(&self) -> RwLockReadGuardFuture<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] 98 |     pub fn read(&self) -> RwLockReadGuardFuture<'_, T> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/rwlock_ordered.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn write(&self) -> OrderedRwLockWriteGuardFuture<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] 50 |     pub fn write(&self) -> OrderedRwLockWriteGuardFuture<'_, T> {
[INFO] [stdout]    |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rwlock_ordered.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn read(&self) -> OrderedRwLockReadGuardFuture<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] 103 |     pub fn read(&self) -> OrderedRwLockReadGuardFuture<'_, T> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v0.3.2
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling fast-async-mutex v0.6.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/mutex.rs:42:23
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub const fn lock(&self) -> MutexGuardFuture<T> {
[INFO] [stdout]    |                       ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub const fn lock(&self) -> MutexGuardFuture<'_, T> {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/mutex_ordered.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn lock(&self) -> OrderedMutexGuardFuture<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] 46 |     pub fn lock(&self) -> OrderedMutexGuardFuture<'_, T> {
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/rwlock.rs:47:18
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn write(&self) -> RwLockWriteGuardFuture<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] 47 |     pub fn write(&self) -> RwLockWriteGuardFuture<'_, T> {
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/rwlock.rs:98:17
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn read(&self) -> RwLockReadGuardFuture<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] 98 |     pub fn read(&self) -> RwLockReadGuardFuture<'_, T> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/rwlock_ordered.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn write(&self) -> OrderedRwLockWriteGuardFuture<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] 50 |     pub fn write(&self) -> OrderedRwLockWriteGuardFuture<'_, T> {
[INFO] [stdout]    |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rwlock_ordered.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn read(&self) -> OrderedRwLockReadGuardFuture<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] 103 |     pub fn read(&self) -> OrderedRwLockReadGuardFuture<'_, T> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 18.06s
[INFO] running `Command { std: "docker" "inspect" "59ecae3b595cc52c68ea447cfce00e3051a577404cab2d25d0456656e585752a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59ecae3b595cc52c68ea447cfce00e3051a577404cab2d25d0456656e585752a", kill_on_drop: false }`
[INFO] [stdout] 59ecae3b595cc52c68ea447cfce00e3051a577404cab2d25d0456656e585752a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e299b9af1100f8d4d917098c443163ae760b1f21b4d437603947b0bcc2c64219
[INFO] running `Command { std: "docker" "start" "-a" "e299b9af1100f8d4d917098c443163ae760b1f21b4d437603947b0bcc2c64219", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/mutex.rs:42:23
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub const fn lock(&self) -> MutexGuardFuture<T> {
[INFO] [stderr]    |                       ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                       |
[INFO] [stderr]    |                       the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub const fn lock(&self) -> MutexGuardFuture<'_, T> {
[INFO] [stderr]    |                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/mutex_ordered.rs:46:17
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn lock(&self) -> OrderedMutexGuardFuture<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] 46 |     pub fn lock(&self) -> OrderedMutexGuardFuture<'_, T> {
[INFO] [stderr]    |                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/rwlock.rs:47:18
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn write(&self) -> RwLockWriteGuardFuture<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] 47 |     pub fn write(&self) -> RwLockWriteGuardFuture<'_, T> {
[INFO] [stderr]    |                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/rwlock.rs:98:17
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn read(&self) -> RwLockReadGuardFuture<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] 98 |     pub fn read(&self) -> RwLockReadGuardFuture<'_, T> {
[INFO] [stderr]    |                                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/rwlock_ordered.rs:50:18
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn write(&self) -> OrderedRwLockWriteGuardFuture<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] 50 |     pub fn write(&self) -> OrderedRwLockWriteGuardFuture<'_, T> {
[INFO] [stderr]    |                                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/rwlock_ordered.rs:103:17
[INFO] [stderr]     |
[INFO] [stderr] 103 |     pub fn read(&self) -> OrderedRwLockReadGuardFuture<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] 103 |     pub fn read(&self) -> OrderedRwLockReadGuardFuture<'_, T> {
[INFO] [stderr]     |                                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: `fast-async-mutex` (lib) generated 6 warnings (run `cargo fix --lib -p fast-async-mutex` to apply 6 suggestions)
[INFO] [stderr] warning: `fast-async-mutex` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fast_async_mutex-47f2588a673ed55f)
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test mutex_ordered::tests::test_overflow ... ok
[INFO] [stdout] test mutex_ordered::tests::test_timeout ... ok
[INFO] [stdout] test mutex::tests::test_container ... ok
[INFO] [stdout] test mutex::tests::test_timeout ... ok
[INFO] [stdout] test mutex_ordered::tests::test_container ... ok
[INFO] [stdout] test mutex_ordered::tests::test_mutex ... ok
[INFO] [stdout] test mutex::tests::test_mutex ... ok
[INFO] [stdout] test mutex_ordered::tests::test_owned_mutex ... ok
[INFO] [stdout] test rwlock::tests::test_concurrent_reading ... ok
[INFO] [stdout] test mutex::tests::test_owned_mutex ... ok
[INFO] [stdout] test rwlock::tests::test_concurrent_reading_writing ... ok
[INFO] [stdout] test rwlock::tests::test_container ... ok
[INFO] [stdout] test rwlock::tests::test_timeout ... ok
[INFO] [stdout] test rwlock::tests::test_mutex ... ok
[INFO] [stdout] test rwlock::tests::test_owned_mutex ... ok
[INFO] [stdout] test rwlock_ordered::tests::test_concurrent_reading_writing ... ok
[INFO] [stdout] test rwlock_ordered::tests::test_container ... ok
[INFO] [stdout] test rwlock_ordered::tests::test_overflow ... ok
[INFO] [stdout] test mutex::tests::multithreading_test ... ok
[INFO] [stdout] test rwlock_ordered::tests::test_timeout ... ok
[INFO] [stdout] test mutex_ordered::tests::multithreading_test ... ok
[INFO] [stdout] test rwlock::tests::multithreading_test ... ok
[INFO] [stdout] test rwlock_ordered::tests::test_owned_mutex ... ok
[INFO] [stdout] test rwlock_ordered::tests::test_concurrent_reading ... ok
[INFO] [stdout] test rwlock_ordered::tests::test_mutex ... ok
[INFO] [stdout] test rwlock_ordered::tests::multithreading_test ... ok
[INFO] [stdout] test mutex::tests::test_mutex_delay ... ok
[INFO] [stdout] test mutex_ordered::tests::test_mutex_delay ... ok
[INFO] [stdout] test rwlock_ordered::tests::test_mutex_delay ... ok
[INFO] [stdout] test rwlock::tests::test_mutex_delay ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.44s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fast_async_mutex
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::read_owned (line 112) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::read (line 86) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::lock (line 31) ... ok
[INFO] [stdout] test src/rwlock_ordered.rs - rwlock_ordered::OrderedRwLock<T>::write (line 38) ... ok
[INFO] [stdout] test src/mutex_ordered.rs - mutex_ordered::OrderedMutex<T>::lock_owned (line 61) ... ok
[INFO] [stdout] test src/rwlock_ordered.rs - rwlock_ordered::OrderedRwLock<T>::read (line 91) ... ok
[INFO] [stdout] test src/mutex_ordered.rs - mutex_ordered::OrderedMutex<T>::lock (line 35) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::lock_owned (line 56) ... ok
[INFO] [stdout] test src/rwlock_ordered.rs - rwlock_ordered::OrderedRwLock<T>::read_owned (line 118) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::write_owned (line 61) ... ok
[INFO] [stdout] test src/rwlock_ordered.rs - rwlock_ordered::OrderedRwLock<T>::write_owned (line 65) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::write (line 35) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e299b9af1100f8d4d917098c443163ae760b1f21b4d437603947b0bcc2c64219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e299b9af1100f8d4d917098c443163ae760b1f21b4d437603947b0bcc2c64219", kill_on_drop: false }`
[INFO] [stdout] e299b9af1100f8d4d917098c443163ae760b1f21b4d437603947b0bcc2c64219
