[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 { [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> { [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> { [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> { [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> { [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(objects: [&Self; N]) -> [ShardedMutexGuard; 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(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; 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 Deref for ShardedMutexGuard<'_, T, TAG> [INFO] [stdout] 500 | | where [INFO] [stdout] 501 | | T: AssocObjects, [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, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 481 | timeout: Duration, [INFO] [stdout] 482 | ) -> Result, ShardedMutexGuard> [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, 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 { [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> { [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> { [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> { [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> { [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(objects: [&Self; N]) -> [ShardedMutexGuard; 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(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; 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 Deref for ShardedMutexGuard<'_, T, TAG> [INFO] [stdout] 500 | | where [INFO] [stdout] 501 | | T: AssocObjects, [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, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 481 | timeout: Duration, [INFO] [stdout] 482 | ) -> Result, ShardedMutexGuard> [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, 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