[INFO] fetching crate sharded_mutex 2.1.0...
[INFO] checking sharded_mutex-2.1.0 against try#7b3da9103634dffd4f4365cfd8642427c781d99f+rustflags=-Dinherent-method-on-receiver for 152214-denied-retry-0
[INFO] extracting crate sharded_mutex 2.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate sharded_mutex 2.1.0
[INFO] finished tweaking crates.io crate sharded_mutex 2.1.0
[INFO] tweaked toml for crates.io crate sharded_mutex 2.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sharded_mutex 2.1.0 on toolchain 7b3da9103634dffd4f4365cfd8642427c781d99f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "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" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] [stderr]       Adding mutants v0.0.3 (available: v0.0.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11f9458a2d27c8f2fe6fcfcea3cfe89bbb70a93008d5065748fa9193a21444a2
[INFO] running `Command { std: "docker" "start" "-a" "11f9458a2d27c8f2fe6fcfcea3cfe89bbb70a93008d5065748fa9193a21444a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11f9458a2d27c8f2fe6fcfcea3cfe89bbb70a93008d5065748fa9193a21444a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11f9458a2d27c8f2fe6fcfcea3cfe89bbb70a93008d5065748fa9193a21444a2", kill_on_drop: false }`
[INFO] [stdout] 11f9458a2d27c8f2fe6fcfcea3cfe89bbb70a93008d5065748fa9193a21444a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dinherent-method-on-receiver" "-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 010e4541d819e6f57826d9c08f53dc60c32ab99b8fbd327dd1f21343ac8ffcc6
[INFO] running `Command { std: "docker" "start" "-a" "010e4541d819e6f57826d9c08f53dc60c32ab99b8fbd327dd1f21343ac8ffcc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.181
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking assoc_static v1.0.0
[INFO] [stderr]     Checking assoc_threadlocal v0.0.1
[INFO] [stderr]    Compiling mutants v0.0.3
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking sharded_mutex v2.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:247:17
[INFO] [stdout]     |
[INFO] [stdout] 247 |     pub fn lock(&self) -> ShardedMutexGuard<T, TAG> {
[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] 247 |     pub fn lock(&self) -> ShardedMutexGuard<'_, T, TAG> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:257:21
[INFO] [stdout]     |
[INFO] [stdout] 257 |     pub fn try_lock(&self) -> Option<ShardedMutexGuard<T, TAG>> {
[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] 257 |     pub fn try_lock(&self) -> Option<ShardedMutexGuard<'_, T, TAG>> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:265:25
[INFO] [stdout]     |
[INFO] [stdout] 265 |     pub fn try_lock_for(&self, timeout: Duration) -> Option<ShardedMutexGuard<T, TAG>> {
[INFO] [stdout]     |                         ^^^^^ the lifetime is elided here   ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 265 |     pub fn try_lock_for(&self, timeout: Duration) -> Option<ShardedMutexGuard<'_, T, TAG>> {
[INFO] [stdout]     |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:280:49
[INFO] [stdout]     |
[INFO] [stdout] 280 |     pub fn multi_lock<const N: usize>(objects: [&Self; N]) -> [ShardedMutexGuard<T, TAG>; N] {
[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] 280 |     pub fn multi_lock<const N: usize>(objects: [&Self; N]) -> [ShardedMutexGuard<'_, T, TAG>; N] {
[INFO] [stdout]     |                                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:318:19
[INFO] [stdout]     |
[INFO] [stdout] 318 |         objects: [&Self; N],
[INFO] [stdout]     |                   ^^^^^ the lifetime is elided here
[INFO] [stdout] 319 |     ) -> Option<[ShardedMutexGuard<T, TAG>; N]> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 319 |     ) -> Option<[ShardedMutexGuard<'_, T, TAG>; N]> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:479:9
[INFO] [stdout]     |
[INFO] [stdout] 479 |           self,
[INFO] [stdout]     |           ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 499 | / impl<T, TAG> Deref for ShardedMutexGuard<'_, T, TAG>
[INFO] [stdout] 500 | | where
[INFO] [stdout] 501 | |     T: AssocObjects<TAG>,
[INFO] [stdout]     | |_________________________- trait implemented here
[INFO] [stdout] 502 |   {
[INFO] [stdout] 503 |       type Target = T;
[INFO] [stdout]     |       ----------- with `Target` set here
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D inherent-method-on-receiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:482:17
[INFO] [stdout]     |
[INFO] [stdout] 480 |         new: &'a ShardedMutex<U, UTAG>,
[INFO] [stdout]     |               -- the lifetime is named here
[INFO] [stdout] 481 |         timeout: Duration,
[INFO] [stdout] 482 |     ) -> Result<ShardedMutexGuard<U, UTAG>, ShardedMutexGuard<T, TAG>>
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 482 |     ) -> Result<ShardedMutexGuard<'a, U, UTAG>, ShardedMutexGuard<'a, T, TAG>>
[INFO] [stdout]     |                                   +++                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sharded_mutex` (lib test) due to 1 previous error; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:247:17
[INFO] [stdout]     |
[INFO] [stdout] 247 |     pub fn lock(&self) -> ShardedMutexGuard<T, TAG> {
[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] 247 |     pub fn lock(&self) -> ShardedMutexGuard<'_, T, TAG> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:257:21
[INFO] [stdout]     |
[INFO] [stdout] 257 |     pub fn try_lock(&self) -> Option<ShardedMutexGuard<T, TAG>> {
[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] 257 |     pub fn try_lock(&self) -> Option<ShardedMutexGuard<'_, T, TAG>> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:265:25
[INFO] [stdout]     |
[INFO] [stdout] 265 |     pub fn try_lock_for(&self, timeout: Duration) -> Option<ShardedMutexGuard<T, TAG>> {
[INFO] [stdout]     |                         ^^^^^ the lifetime is elided here   ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 265 |     pub fn try_lock_for(&self, timeout: Duration) -> Option<ShardedMutexGuard<'_, T, TAG>> {
[INFO] [stdout]     |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:280:49
[INFO] [stdout]     |
[INFO] [stdout] 280 |     pub fn multi_lock<const N: usize>(objects: [&Self; N]) -> [ShardedMutexGuard<T, TAG>; N] {
[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] 280 |     pub fn multi_lock<const N: usize>(objects: [&Self; N]) -> [ShardedMutexGuard<'_, T, TAG>; N] {
[INFO] [stdout]     |                                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:318:19
[INFO] [stdout]     |
[INFO] [stdout] 318 |         objects: [&Self; N],
[INFO] [stdout]     |                   ^^^^^ the lifetime is elided here
[INFO] [stdout] 319 |     ) -> Option<[ShardedMutexGuard<T, TAG>; N]> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 319 |     ) -> Option<[ShardedMutexGuard<'_, T, TAG>; N]> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:479:9
[INFO] [stdout]     |
[INFO] [stdout] 479 |           self,
[INFO] [stdout]     |           ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 499 | / impl<T, TAG> Deref for ShardedMutexGuard<'_, T, TAG>
[INFO] [stdout] 500 | | where
[INFO] [stdout] 501 | |     T: AssocObjects<TAG>,
[INFO] [stdout]     | |_________________________- trait implemented here
[INFO] [stdout] 502 |   {
[INFO] [stdout] 503 |       type Target = T;
[INFO] [stdout]     |       ----------- with `Target` set here
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D inherent-method-on-receiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:482:17
[INFO] [stdout]     |
[INFO] [stdout] 480 |         new: &'a ShardedMutex<U, UTAG>,
[INFO] [stdout]     |               -- the lifetime is named here
[INFO] [stdout] 481 |         timeout: Duration,
[INFO] [stdout] 482 |     ) -> Result<ShardedMutexGuard<U, UTAG>, ShardedMutexGuard<T, TAG>>
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 482 |     ) -> Result<ShardedMutexGuard<'a, U, UTAG>, ShardedMutexGuard<'a, T, TAG>>
[INFO] [stdout]     |                                   +++                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sharded_mutex` (lib) due to 1 previous error; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "010e4541d819e6f57826d9c08f53dc60c32ab99b8fbd327dd1f21343ac8ffcc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "010e4541d819e6f57826d9c08f53dc60c32ab99b8fbd327dd1f21343ac8ffcc6", kill_on_drop: false }`
[INFO] [stdout] 010e4541d819e6f57826d9c08f53dc60c32ab99b8fbd327dd1f21343ac8ffcc6
