[INFO] cloning repository https://github.com/google/rust-deadlock-avoidance
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/google/rust-deadlock-avoidance" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoogle%2Frust-deadlock-avoidance", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoogle%2Frust-deadlock-avoidance'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 957a3e7e8332035b5a636c4013b96147aa0aa983
[INFO] checking google/rust-deadlock-avoidance against try#7b3da9103634dffd4f4365cfd8642427c781d99f+rustflags=-Dinherent-method-on-receiver for 152214-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoogle%2Frust-deadlock-avoidance" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/google/rust-deadlock-avoidance
[INFO] finished tweaking git repo https://github.com/google/rust-deadlock-avoidance
[INFO] tweaked toml for git repo https://github.com/google/rust-deadlock-avoidance written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/google/rust-deadlock-avoidance 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] crate git repo https://github.com/google/rust-deadlock-avoidance already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[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] c5f3ac186648ecc59501b69c5279a761acd0488c120b7c31fea310ec2f0927bb
[INFO] running `Command { std: "docker" "start" "-a" "c5f3ac186648ecc59501b69c5279a761acd0488c120b7c31fea310ec2f0927bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5f3ac186648ecc59501b69c5279a761acd0488c120b7c31fea310ec2f0927bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5f3ac186648ecc59501b69c5279a761acd0488c120b7c31fea310ec2f0927bb", kill_on_drop: false }`
[INFO] [stdout] c5f3ac186648ecc59501b69c5279a761acd0488c120b7c31fea310ec2f0927bb
[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] c6f3e8c170f323459e6d7020dffdad851d0770127bfdb09cb7d2c6336762eb87
[INFO] running `Command { std: "docker" "start" "-a" "c6f3e8c170f323459e6d7020dffdad851d0770127bfdb09cb7d2c6336762eb87", kill_on_drop: false }`
[INFO] [stderr]     Checking deadlock-proof-mutex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 153 |         permission: P,
[INFO] [stdout] 154 |     ) -> Result<DeadlockProofMutexGuard<T, P, I>, PoisonError<MutexGuard<T>>> {
[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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 154 |     ) -> Result<DeadlockProofMutexGuard<'_, T, P, I>, PoisonError<MutexGuard<'_, T>>> {
[INFO] [stdout]     |                                         +++                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 164 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 168 |             DeadlockProofNestedMutexGuard<T, P, I>,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout] ...
[INFO] [stdout] 171 |         PoisonError<MutexGuard<T>>,
[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] 168 ~             DeadlockProofNestedMutexGuard<'_, T, P, I>,
[INFO] [stdout] 169 |             NestedMutexPermission<P, I>,
[INFO] [stdout] 170 |         ),
[INFO] [stdout] 171 ~         PoisonError<MutexGuard<'_, T>>,
[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:194:19
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn unlock(self) -> P {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 208 | impl<T, P: MutexPermission, I> Deref for DeadlockProofMutexGuard<'_, T, P, I> {
[INFO] [stdout]     | ----------------------------------------------------------------------------- trait implemented here
[INFO] [stdout] 209 |     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] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:203:34
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub fn unlock_for_sequential(self) -> SequentialMutexPermission<P, I> {
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 208 | impl<T, P: MutexPermission, I> Deref for DeadlockProofMutexGuard<'_, T, P, I> {
[INFO] [stdout]     | ----------------------------------------------------------------------------- trait implemented here
[INFO] [stdout] 209 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[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:234:19
[INFO] [stdout]     |
[INFO] [stdout] 234 |     pub fn unlock(self, _token: NestedMutexPermission<P, I>) -> P {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 248 | impl<T, P: MutexPermission, I> Deref for DeadlockProofNestedMutexGuard<'_, T, P, I> {
[INFO] [stdout]     | ----------------------------------------------------------------------------------- trait implemented here
[INFO] [stdout] 249 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[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:243:34
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub fn unlock_for_sequential(self) -> SequentialMutexPermission<P, I> {
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 248 | impl<T, P: MutexPermission, I> Deref for DeadlockProofNestedMutexGuard<'_, T, P, I> {
[INFO] [stdout]     | ----------------------------------------------------------------------------------- trait implemented here
[INFO] [stdout] 249 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 153 |         permission: P,
[INFO] [stdout] 154 |     ) -> Result<DeadlockProofMutexGuard<T, P, I>, PoisonError<MutexGuard<T>>> {
[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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 154 |     ) -> Result<DeadlockProofMutexGuard<'_, T, P, I>, PoisonError<MutexGuard<'_, T>>> {
[INFO] [stdout]     |                                         +++                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 164 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 168 |             DeadlockProofNestedMutexGuard<T, P, I>,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout] ...
[INFO] [stdout] 171 |         PoisonError<MutexGuard<T>>,
[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] 168 ~             DeadlockProofNestedMutexGuard<'_, T, P, I>,
[INFO] [stdout] 169 |             NestedMutexPermission<P, I>,
[INFO] [stdout] 170 |         ),
[INFO] [stdout] 171 ~         PoisonError<MutexGuard<'_, T>>,
[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:194:19
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn unlock(self) -> P {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 208 | impl<T, P: MutexPermission, I> Deref for DeadlockProofMutexGuard<'_, T, P, I> {
[INFO] [stdout]     | ----------------------------------------------------------------------------- trait implemented here
[INFO] [stdout] 209 |     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] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:203:34
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub fn unlock_for_sequential(self) -> SequentialMutexPermission<P, I> {
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 208 | impl<T, P: MutexPermission, I> Deref for DeadlockProofMutexGuard<'_, T, P, I> {
[INFO] [stdout]     | ----------------------------------------------------------------------------- trait implemented here
[INFO] [stdout] 209 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[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:234:19
[INFO] [stdout]     |
[INFO] [stdout] 234 |     pub fn unlock(self, _token: NestedMutexPermission<P, I>) -> P {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 248 | impl<T, P: MutexPermission, I> Deref for DeadlockProofNestedMutexGuard<'_, T, P, I> {
[INFO] [stdout]     | ----------------------------------------------------------------------------------- trait implemented here
[INFO] [stdout] 249 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[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:243:34
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub fn unlock_for_sequential(self) -> SequentialMutexPermission<P, I> {
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 248 | impl<T, P: MutexPermission, I> Deref for DeadlockProofNestedMutexGuard<'_, T, P, I> {
[INFO] [stdout]     | ----------------------------------------------------------------------------------- trait implemented here
[INFO] [stdout] 249 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `deadlock-proof-mutex` (lib test) due to 4 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `deadlock-proof-mutex` (lib) due to 4 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "c6f3e8c170f323459e6d7020dffdad851d0770127bfdb09cb7d2c6336762eb87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6f3e8c170f323459e6d7020dffdad851d0770127bfdb09cb7d2c6336762eb87", kill_on_drop: false }`
[INFO] [stdout] c6f3e8c170f323459e6d7020dffdad851d0770127bfdb09cb7d2c6336762eb87
