[INFO] fetching crate ruspiro-lock 0.5.0...
[INFO] building ruspiro-lock-0.5.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate ruspiro-lock 0.5.0 into /workspace/builds/worker-6-tc2/source
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate ruspiro-lock 0.5.0
[INFO] finished tweaking crates.io crate ruspiro-lock 0.5.0
[INFO] tweaked toml for crates.io crate ruspiro-lock 0.5.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ruspiro-lock 0.5.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 61 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4977b8806c8cfee835acc2320e19d6923ca592530382841d56994339c03eb837
[INFO] running `Command { std: "docker" "start" "-a" "4977b8806c8cfee835acc2320e19d6923ca592530382841d56994339c03eb837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4977b8806c8cfee835acc2320e19d6923ca592530382841d56994339c03eb837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4977b8806c8cfee835acc2320e19d6923ca592530382841d56994339c03eb837", kill_on_drop: false }`
[INFO] [stdout] 4977b8806c8cfee835acc2320e19d6923ca592530382841d56994339c03eb837
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc06f3dcacbd927ec44407d43f7a7f67c58dab1b8ded0f6042854d64fd402a60
[INFO] running `Command { std: "docker" "start" "-a" "bc06f3dcacbd927ec44407d43f7a7f67c58dab1b8ded0f6042854d64fd402a60", kill_on_drop: false }`
[INFO] [stderr]    Compiling ruspiro-lock v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::arch::asm`
[INFO] [stdout]   --> src/sync/spinlock.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use core::arch::asm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::arch::asm`
[INFO] [stdout]   --> src/sync/semaphore.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use core::arch::asm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::arch::asm`
[INFO] [stdout]   --> src/sync/mutex.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | use core::arch::asm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `testing`
[INFO] [stdout]    --> src/sync/rwlock.rs:250:7
[INFO] [stdout]     |
[INFO] [stdout] 250 | #[cfg(testing)]
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(testing)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(testing)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::arch::asm`
[INFO] [stdout]   --> src/sync/rwlock.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use core::arch::asm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sync/mutex.rs:82:19
[INFO] [stdout]    |
[INFO] [stdout] 82 |   pub fn try_lock(&self) -> Option<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]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 82 |   pub fn try_lock(&self) -> Option<MutexGuard<'_, T>> {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sync/mutex.rs:116:15
[INFO] [stdout]     |
[INFO] [stdout] 116 |   pub fn lock(&self) -> 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] 116 |   pub fn lock(&self) -> MutexGuard<'_, T> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sync/rwlock.rs:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |   pub fn try_write(&self) -> Option<WriteLockGuard<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] 55 |   pub fn try_write(&self) -> Option<WriteLockGuard<'_, T>> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sync/rwlock.rs:84:16
[INFO] [stdout]    |
[INFO] [stdout] 84 |   pub fn write(&self) -> WriteLockGuard<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] 84 |   pub fn write(&self) -> WriteLockGuard<'_, T> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sync/rwlock.rs:102:19
[INFO] [stdout]     |
[INFO] [stdout] 102 |   pub fn try_read(&self) -> Option<ReadLockGuard<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 try_read(&self) -> Option<ReadLockGuard<'_, T>> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sync/rwlock.rs:116:15
[INFO] [stdout]     |
[INFO] [stdout] 116 |   pub fn read(&self) -> ReadLockGuard<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] 116 |   pub fn read(&self) -> ReadLockGuard<'_, T> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "bc06f3dcacbd927ec44407d43f7a7f67c58dab1b8ded0f6042854d64fd402a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc06f3dcacbd927ec44407d43f7a7f67c58dab1b8ded0f6042854d64fd402a60", kill_on_drop: false }`
[INFO] [stdout] bc06f3dcacbd927ec44407d43f7a7f67c58dab1b8ded0f6042854d64fd402a60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05d3e80f7a7298012bf9637c7aa5b56cfe955a87ed251646204a7b459fa2d71b
[INFO] running `Command { std: "docker" "start" "-a" "05d3e80f7a7298012bf9637c7aa5b56cfe955a87ed251646204a7b459fa2d71b", kill_on_drop: false }`
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling value-bag v1.11.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stdout] warning: unused import: `core::arch::asm`
[INFO] [stdout]   --> src/sync/spinlock.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use core::arch::asm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::arch::asm`
[INFO] [stdout]   --> src/sync/semaphore.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use core::arch::asm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::arch::asm`
[INFO] [stdout]   --> src/sync/mutex.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | use core::arch::asm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `testing`
[INFO] [stdout]    --> src/sync/rwlock.rs:250:7
[INFO] [stdout]     |
[INFO] [stdout] 250 | #[cfg(testing)]
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(testing)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(testing)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::arch::asm`
[INFO] [stdout]   --> src/sync/rwlock.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use core::arch::asm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sync/mutex.rs:82:19
[INFO] [stdout]    |
[INFO] [stdout] 82 |   pub fn try_lock(&self) -> Option<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]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 82 |   pub fn try_lock(&self) -> Option<MutexGuard<'_, T>> {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sync/mutex.rs:116:15
[INFO] [stdout]     |
[INFO] [stdout] 116 |   pub fn lock(&self) -> 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] 116 |   pub fn lock(&self) -> MutexGuard<'_, T> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sync/rwlock.rs:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |   pub fn try_write(&self) -> Option<WriteLockGuard<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] 55 |   pub fn try_write(&self) -> Option<WriteLockGuard<'_, T>> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sync/rwlock.rs:84:16
[INFO] [stdout]    |
[INFO] [stdout] 84 |   pub fn write(&self) -> WriteLockGuard<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] 84 |   pub fn write(&self) -> WriteLockGuard<'_, T> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sync/rwlock.rs:102:19
[INFO] [stdout]     |
[INFO] [stdout] 102 |   pub fn try_read(&self) -> Option<ReadLockGuard<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 try_read(&self) -> Option<ReadLockGuard<'_, T>> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sync/rwlock.rs:116:15
[INFO] [stdout]     |
[INFO] [stdout] 116 |   pub fn read(&self) -> ReadLockGuard<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] 116 |   pub fn read(&self) -> ReadLockGuard<'_, T> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling async-executor v1.13.3
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling async-lock v3.4.1
[INFO] [stderr]    Compiling async-signal v0.2.13
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling async-process v2.5.0
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling async-std v1.13.2
[INFO] [stderr]    Compiling ruspiro-lock v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::arch::asm`
[INFO] [stdout]   --> src/sync/spinlock.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use core::arch::asm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::arch::asm`
[INFO] [stdout]   --> src/sync/semaphore.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use core::arch::asm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::arch::asm`
[INFO] [stdout]   --> src/sync/mutex.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | use core::arch::asm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `testing`
[INFO] [stdout]    --> src/sync/rwlock.rs:250:7
[INFO] [stdout]     |
[INFO] [stdout] 250 | #[cfg(testing)]
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(testing)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(testing)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::arch::asm`
[INFO] [stdout]   --> src/sync/rwlock.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use core::arch::asm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sync/mutex.rs:82:19
[INFO] [stdout]    |
[INFO] [stdout] 82 |   pub fn try_lock(&self) -> Option<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]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 82 |   pub fn try_lock(&self) -> Option<MutexGuard<'_, T>> {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sync/mutex.rs:116:15
[INFO] [stdout]     |
[INFO] [stdout] 116 |   pub fn lock(&self) -> 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] 116 |   pub fn lock(&self) -> MutexGuard<'_, T> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sync/rwlock.rs:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |   pub fn try_write(&self) -> Option<WriteLockGuard<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] 55 |   pub fn try_write(&self) -> Option<WriteLockGuard<'_, T>> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sync/rwlock.rs:84:16
[INFO] [stdout]    |
[INFO] [stdout] 84 |   pub fn write(&self) -> WriteLockGuard<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] 84 |   pub fn write(&self) -> WriteLockGuard<'_, T> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sync/rwlock.rs:102:19
[INFO] [stdout]     |
[INFO] [stdout] 102 |   pub fn try_read(&self) -> Option<ReadLockGuard<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 try_read(&self) -> Option<ReadLockGuard<'_, T>> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sync/rwlock.rs:116:15
[INFO] [stdout]     |
[INFO] [stdout] 116 |   pub fn read(&self) -> ReadLockGuard<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] 116 |   pub fn read(&self) -> ReadLockGuard<'_, T> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 14.30s
[INFO] running `Command { std: "docker" "inspect" "05d3e80f7a7298012bf9637c7aa5b56cfe955a87ed251646204a7b459fa2d71b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05d3e80f7a7298012bf9637c7aa5b56cfe955a87ed251646204a7b459fa2d71b", kill_on_drop: false }`
[INFO] [stdout] 05d3e80f7a7298012bf9637c7aa5b56cfe955a87ed251646204a7b459fa2d71b