Nov 30 07:39:26.899 INFO checking acsearle/barc against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323 Nov 30 07:39:26.899 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +32252761328f59ccfadb1bafb8148c685bc830b3-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Nov 30 07:39:27.340 INFO [stdout] e5955d9a469bd96eb3d80461f482b07969dd66690165448c7ea6a6b1b3010bcf Nov 30 07:39:27.342 INFO running `"docker" "start" "-a" "e5955d9a469bd96eb3d80461f482b07969dd66690165448c7ea6a6b1b3010bcf"` Nov 30 07:39:28.646 INFO [stderr] usermod: no changes Nov 30 07:39:28.695 INFO [stderr] Checking barc v0.1.0 (/source) Nov 30 07:39:29.844 INFO [stderr] warning: method is never used: `set` Nov 30 07:39:29.844 INFO [stderr] --> src/lib.rs:167:5 Nov 30 07:39:29.844 INFO [stderr] | Nov 30 07:39:29.844 INFO [stderr] 167 | fn set(&mut self, count: usize, pointer: *mut T) { Nov 30 07:39:29.844 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 07:39:29.844 INFO [stderr] | Nov 30 07:39:29.844 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 30 07:39:29.844 INFO [stderr] Nov 30 07:39:29.844 INFO [stderr] warning: method is never used: `set_ptr` Nov 30 07:39:29.844 INFO [stderr] --> src/lib.rs:176:5 Nov 30 07:39:29.844 INFO [stderr] | Nov 30 07:39:29.844 INFO [stderr] 176 | fn set_ptr(&mut self, pointer: *mut T) { Nov 30 07:39:29.844 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 07:39:29.844 INFO [stderr] Nov 30 07:39:29.844 INFO [stderr] warning: method is never used: `as_ref` Nov 30 07:39:29.844 INFO [stderr] --> src/lib.rs:191:5 Nov 30 07:39:29.844 INFO [stderr] | Nov 30 07:39:29.844 INFO [stderr] 191 | unsafe fn as_ref(&self) -> &T { Nov 30 07:39:29.844 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 07:39:29.844 INFO [stderr] Nov 30 07:39:29.844 INFO [stderr] warning: method is never used: `as_mut` Nov 30 07:39:29.844 INFO [stderr] --> src/lib.rs:195:5 Nov 30 07:39:29.844 INFO [stderr] | Nov 30 07:39:29.844 INFO [stderr] 195 | unsafe fn as_mut(&mut self) -> &mut T { Nov 30 07:39:29.844 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 07:39:29.844 INFO [stderr] Nov 30 07:39:29.844 INFO [stderr] warning: method is never used: `get_ptr` Nov 30 07:39:29.844 INFO [stderr] --> src/lib.rs:282:5 Nov 30 07:39:29.844 INFO [stderr] | Nov 30 07:39:29.844 INFO [stderr] 282 | fn get_ptr(&self) -> *mut T { Nov 30 07:39:29.844 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 07:39:29.844 INFO [stderr] Nov 30 07:39:29.844 INFO [stderr] warning: method is never used: `set_ptr` Nov 30 07:39:29.844 INFO [stderr] --> src/lib.rs:287:5 Nov 30 07:39:29.844 INFO [stderr] | Nov 30 07:39:29.844 INFO [stderr] 287 | fn set_ptr(&mut self, pointer: NonNull) { Nov 30 07:39:29.844 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 07:39:29.844 INFO [stderr] Nov 30 07:39:29.844 INFO [stderr] warning: method is never used: `into_inner` Nov 30 07:39:29.844 INFO [stderr] --> src/lib.rs:349:5 Nov 30 07:39:29.844 INFO [stderr] | Nov 30 07:39:29.844 INFO [stderr] 349 | fn into_inner(self) -> CountedPtr { Nov 30 07:39:29.844 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 07:39:29.844 INFO [stderr] Nov 30 07:39:29.844 INFO [stderr] warning: method is never used: `store` Nov 30 07:39:29.844 INFO [stderr] --> src/lib.rs:362:5 Nov 30 07:39:29.845 INFO [stderr] | Nov 30 07:39:29.845 INFO [stderr] 362 | fn store(&self, p: CountedPtr, order: Ordering) { Nov 30 07:39:29.845 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 07:39:29.845 INFO [stderr] Nov 30 07:39:29.845 INFO [stderr] warning: method is never used: `compare_and_swap` Nov 30 07:39:29.845 INFO [stderr] --> src/lib.rs:370:5 Nov 30 07:39:29.845 INFO [stderr] | Nov 30 07:39:29.845 INFO [stderr] 370 | / fn compare_and_swap( Nov 30 07:39:29.845 INFO [stderr] 371 | | &self, Nov 30 07:39:29.845 INFO [stderr] 372 | | current: CountedPtr, Nov 30 07:39:29.845 INFO [stderr] 373 | | new: CountedPtr, Nov 30 07:39:29.845 INFO [stderr] ... | Nov 30 07:39:29.845 INFO [stderr] 382 | | ) Nov 30 07:39:29.845 INFO [stderr] 383 | | } Nov 30 07:39:29.845 INFO [stderr] | |_____^ Nov 30 07:39:29.845 INFO [stderr] Nov 30 07:39:29.845 INFO [stderr] warning: method is never used: `compare_exchange` Nov 30 07:39:29.845 INFO [stderr] --> src/lib.rs:385:5 Nov 30 07:39:29.845 INFO [stderr] | Nov 30 07:39:29.845 INFO [stderr] 385 | / fn compare_exchange( Nov 30 07:39:29.845 INFO [stderr] 386 | | &self, Nov 30 07:39:29.845 INFO [stderr] 387 | | current: CountedPtr, Nov 30 07:39:29.845 INFO [stderr] 388 | | new: CountedPtr, Nov 30 07:39:29.845 INFO [stderr] ... | Nov 30 07:39:29.845 INFO [stderr] 400 | | } Nov 30 07:39:29.845 INFO [stderr] 401 | | } Nov 30 07:39:29.845 INFO [stderr] | |_____^ Nov 30 07:39:29.845 INFO [stderr] Nov 30 07:39:29.845 INFO [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable Nov 30 07:39:29.845 INFO [stderr] --> src/lib.rs:83:12 Nov 30 07:39:29.845 INFO [stderr] | Nov 30 07:39:29.845 INFO [stderr] 83 | #![feature(extern_prelude)] Nov 30 07:39:29.845 INFO [stderr] | ^^^^^^^^^^^^^^ Nov 30 07:39:29.845 INFO [stderr] | Nov 30 07:39:29.845 INFO [stderr] = note: #[warn(stable_features)] on by default Nov 30 07:39:29.845 INFO [stderr] Nov 30 07:39:30.046 INFO [stderr] warning: unused variable: `nest` Nov 30 07:39:30.046 INFO [stderr] --> src/lib.rs:2223:17 Nov 30 07:39:30.046 INFO [stderr] | Nov 30 07:39:30.046 INFO [stderr] 2223 | let nest = Nest::new(); Nov 30 07:39:30.046 INFO [stderr] | ^^^^ help: consider using `_nest` instead Nov 30 07:39:30.046 INFO [stderr] | Nov 30 07:39:30.046 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 30 07:39:30.046 INFO [stderr] Nov 30 07:39:30.046 INFO [stderr] warning: unused variable: `b` Nov 30 07:39:30.046 INFO [stderr] --> src/lib.rs:2281:17 Nov 30 07:39:30.046 INFO [stderr] | Nov 30 07:39:30.046 INFO [stderr] 2281 | let b = a.clone(); Nov 30 07:39:30.046 INFO [stderr] | ^ help: consider using `_b` instead Nov 30 07:39:30.046 INFO [stderr] Nov 30 07:39:30.046 INFO [stderr] warning: unused variable: `c` Nov 30 07:39:30.046 INFO [stderr] --> src/lib.rs:2283:17 Nov 30 07:39:30.046 INFO [stderr] | Nov 30 07:39:30.046 INFO [stderr] 2283 | let c = WeightedArc::downgrade(&a); Nov 30 07:39:30.046 INFO [stderr] | ^ help: consider using `_c` instead Nov 30 07:39:30.046 INFO [stderr] Nov 30 07:39:30.046 INFO [stderr] warning: unused variable: `b` Nov 30 07:39:30.046 INFO [stderr] --> src/lib.rs:2303:21 Nov 30 07:39:30.046 INFO [stderr] | Nov 30 07:39:30.046 INFO [stderr] 2303 | let mut b = a.clone(); Nov 30 07:39:30.046 INFO [stderr] | ^ help: consider using `_b` instead Nov 30 07:39:30.046 INFO [stderr] Nov 30 07:39:30.046 INFO [stderr] warning: unused variable: `a` Nov 30 07:39:30.046 INFO [stderr] --> src/lib.rs:2319:17 Nov 30 07:39:30.046 INFO [stderr] | Nov 30 07:39:30.046 INFO [stderr] 2319 | let a = AtomicOptionWeightedArc::new(Some(WeightedArc::new(nest.hatch(99)))); Nov 30 07:39:30.046 INFO [stderr] | ^ help: consider using `_a` instead Nov 30 07:39:30.046 INFO [stderr] Nov 30 07:39:30.284 INFO [stderr] warning: variable does not need to be mutable Nov 30 07:39:30.284 INFO [stderr] --> src/lib.rs:2303:17 Nov 30 07:39:30.284 INFO [stderr] | Nov 30 07:39:30.284 INFO [stderr] 2303 | let mut b = a.clone(); Nov 30 07:39:30.284 INFO [stderr] | ----^ Nov 30 07:39:30.284 INFO [stderr] | | Nov 30 07:39:30.284 INFO [stderr] | help: remove this `mut` Nov 30 07:39:30.284 INFO [stderr] | Nov 30 07:39:30.284 INFO [stderr] = note: #[warn(unused_mut)] on by default Nov 30 07:39:30.284 INFO [stderr] Nov 30 07:39:30.324 INFO [stderr] warning: method is never used: `set` Nov 30 07:39:30.325 INFO [stderr] --> src/lib.rs:167:5 Nov 30 07:39:30.325 INFO [stderr] | Nov 30 07:39:30.325 INFO [stderr] 167 | fn set(&mut self, count: usize, pointer: *mut T) { Nov 30 07:39:30.325 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 07:39:30.325 INFO [stderr] | Nov 30 07:39:30.336 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 30 07:39:30.336 INFO [stderr] Nov 30 07:39:30.336 INFO [stderr] warning: method is never used: `set_ptr` Nov 30 07:39:30.336 INFO [stderr] --> src/lib.rs:176:5 Nov 30 07:39:30.336 INFO [stderr] | Nov 30 07:39:30.336 INFO [stderr] 176 | fn set_ptr(&mut self, pointer: *mut T) { Nov 30 07:39:30.336 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 07:39:30.336 INFO [stderr] Nov 30 07:39:30.336 INFO [stderr] warning: method is never used: `as_ref` Nov 30 07:39:30.336 INFO [stderr] --> src/lib.rs:191:5 Nov 30 07:39:30.336 INFO [stderr] | Nov 30 07:39:30.336 INFO [stderr] 191 | unsafe fn as_ref(&self) -> &T { Nov 30 07:39:30.336 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 07:39:30.336 INFO [stderr] Nov 30 07:39:30.336 INFO [stderr] warning: method is never used: `as_mut` Nov 30 07:39:30.336 INFO [stderr] --> src/lib.rs:195:5 Nov 30 07:39:30.336 INFO [stderr] | Nov 30 07:39:30.336 INFO [stderr] 195 | unsafe fn as_mut(&mut self) -> &mut T { Nov 30 07:39:30.336 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 07:39:30.336 INFO [stderr] Nov 30 07:39:30.336 INFO [stderr] warning: method is never used: `get_ptr` Nov 30 07:39:30.336 INFO [stderr] --> src/lib.rs:282:5 Nov 30 07:39:30.336 INFO [stderr] | Nov 30 07:39:30.336 INFO [stderr] 282 | fn get_ptr(&self) -> *mut T { Nov 30 07:39:30.336 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 07:39:30.336 INFO [stderr] Nov 30 07:39:30.336 INFO [stderr] warning: method is never used: `set_ptr` Nov 30 07:39:30.336 INFO [stderr] --> src/lib.rs:287:5 Nov 30 07:39:30.336 INFO [stderr] | Nov 30 07:39:30.336 INFO [stderr] 287 | fn set_ptr(&mut self, pointer: NonNull) { Nov 30 07:39:30.336 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 07:39:30.336 INFO [stderr] Nov 30 07:39:30.336 INFO [stderr] warning: method is never used: `into_inner` Nov 30 07:39:30.336 INFO [stderr] --> src/lib.rs:349:5 Nov 30 07:39:30.336 INFO [stderr] | Nov 30 07:39:30.336 INFO [stderr] 349 | fn into_inner(self) -> CountedPtr { Nov 30 07:39:30.336 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 07:39:30.336 INFO [stderr] Nov 30 07:39:30.336 INFO [stderr] warning: method is never used: `store` Nov 30 07:39:30.336 INFO [stderr] --> src/lib.rs:362:5 Nov 30 07:39:30.336 INFO [stderr] | Nov 30 07:39:30.336 INFO [stderr] 362 | fn store(&self, p: CountedPtr, order: Ordering) { Nov 30 07:39:30.336 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 07:39:30.336 INFO [stderr] Nov 30 07:39:30.336 INFO [stderr] warning: method is never used: `compare_and_swap` Nov 30 07:39:30.336 INFO [stderr] --> src/lib.rs:370:5 Nov 30 07:39:30.336 INFO [stderr] | Nov 30 07:39:30.336 INFO [stderr] 370 | / fn compare_and_swap( Nov 30 07:39:30.336 INFO [stderr] 371 | | &self, Nov 30 07:39:30.336 INFO [stderr] 372 | | current: CountedPtr, Nov 30 07:39:30.336 INFO [stderr] 373 | | new: CountedPtr, Nov 30 07:39:30.336 INFO [stderr] ... | Nov 30 07:39:30.336 INFO [stderr] 382 | | ) Nov 30 07:39:30.337 INFO [stderr] 383 | | } Nov 30 07:39:30.337 INFO [stderr] | |_____^ Nov 30 07:39:30.337 INFO [stderr] Nov 30 07:39:30.337 INFO [stderr] warning: method is never used: `compare_exchange` Nov 30 07:39:30.337 INFO [stderr] --> src/lib.rs:385:5 Nov 30 07:39:30.337 INFO [stderr] | Nov 30 07:39:30.337 INFO [stderr] 385 | / fn compare_exchange( Nov 30 07:39:30.337 INFO [stderr] 386 | | &self, Nov 30 07:39:30.337 INFO [stderr] 387 | | current: CountedPtr, Nov 30 07:39:30.337 INFO [stderr] 388 | | new: CountedPtr, Nov 30 07:39:30.337 INFO [stderr] ... | Nov 30 07:39:30.337 INFO [stderr] 400 | | } Nov 30 07:39:30.337 INFO [stderr] 401 | | } Nov 30 07:39:30.337 INFO [stderr] | |_____^ Nov 30 07:39:30.337 INFO [stderr] Nov 30 07:39:30.337 INFO [stderr] warning: method is never used: `check` Nov 30 07:39:30.337 INFO [stderr] --> src/lib.rs:2175:9 Nov 30 07:39:30.337 INFO [stderr] | Nov 30 07:39:30.337 INFO [stderr] 2175 | fn check(&self) { Nov 30 07:39:30.337 INFO [stderr] | ^^^^^^^^^^^^^^^ Nov 30 07:39:30.337 INFO [stderr] Nov 30 07:39:30.337 INFO [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable Nov 30 07:39:30.337 INFO [stderr] --> src/lib.rs:83:12 Nov 30 07:39:30.337 INFO [stderr] | Nov 30 07:39:30.337 INFO [stderr] 83 | #![feature(extern_prelude)] Nov 30 07:39:30.337 INFO [stderr] | ^^^^^^^^^^^^^^ Nov 30 07:39:30.337 INFO [stderr] | Nov 30 07:39:30.337 INFO [stderr] = note: #[warn(stable_features)] on by default Nov 30 07:39:30.337 INFO [stderr] Nov 30 07:39:30.576 INFO [stderr] warning: unreachable statement Nov 30 07:39:30.576 INFO [stderr] --> src/main.rs:203:5 Nov 30 07:39:30.577 INFO [stderr] | Nov 30 07:39:30.577 INFO [stderr] 203 | / { Nov 30 07:39:30.577 INFO [stderr] 204 | | // Stress-test swaps Nov 30 07:39:30.578 INFO [stderr] 205 | | Nov 30 07:39:30.578 INFO [stderr] 206 | | let a = 100; Nov 30 07:39:30.578 INFO [stderr] ... | Nov 30 07:39:30.578 INFO [stderr] 243 | | Nov 30 07:39:30.578 INFO [stderr] 244 | | } Nov 30 07:39:30.578 INFO [stderr] | |_____^ Nov 30 07:39:30.578 INFO [stderr] | Nov 30 07:39:30.578 INFO [stderr] = note: #[warn(unreachable_code)] on by default Nov 30 07:39:30.580 INFO [stderr] Nov 30 07:39:30.662 INFO [stderr] warning: method is never used: `into_inner` Nov 30 07:39:30.662 INFO [stderr] --> src/main.rs:35:5 Nov 30 07:39:30.662 INFO [stderr] | Nov 30 07:39:30.662 INFO [stderr] 35 | fn into_inner(self) -> T { Nov 30 07:39:30.662 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 07:39:30.662 INFO [stderr] | Nov 30 07:39:30.662 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 30 07:39:30.662 INFO [stderr] Nov 30 07:39:30.932 INFO [stderr] warning: unreachable statement Nov 30 07:39:30.932 INFO [stderr] --> src/main.rs:203:5 Nov 30 07:39:30.932 INFO [stderr] | Nov 30 07:39:30.932 INFO [stderr] 203 | / { Nov 30 07:39:30.932 INFO [stderr] 204 | | // Stress-test swaps Nov 30 07:39:30.932 INFO [stderr] 205 | | Nov 30 07:39:30.933 INFO [stderr] 206 | | let a = 100; Nov 30 07:39:30.933 INFO [stderr] ... | Nov 30 07:39:30.933 INFO [stderr] 243 | | Nov 30 07:39:30.933 INFO [stderr] 244 | | } Nov 30 07:39:30.933 INFO [stderr] | |_____^ Nov 30 07:39:30.933 INFO [stderr] | Nov 30 07:39:30.933 INFO [stderr] = note: #[warn(unreachable_code)] on by default Nov 30 07:39:30.933 INFO [stderr] Nov 30 07:39:31.008 INFO [stderr] warning: method is never used: `into_inner` Nov 30 07:39:31.008 INFO [stderr] --> src/main.rs:35:5 Nov 30 07:39:31.008 INFO [stderr] | Nov 30 07:39:31.008 INFO [stderr] 35 | fn into_inner(self) -> T { Nov 30 07:39:31.008 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 07:39:31.008 INFO [stderr] | Nov 30 07:39:31.008 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 30 07:39:31.008 INFO [stderr] Nov 30 07:39:31.048 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.37s Nov 30 07:39:31.048 INFO [stderr] su: No module specific data is present Nov 30 07:39:31.768 INFO running `"docker" "inspect" "e5955d9a469bd96eb3d80461f482b07969dd66690165448c7ea6a6b1b3010bcf"` Nov 30 07:39:32.080 INFO running `"docker" "rm" "-f" "e5955d9a469bd96eb3d80461f482b07969dd66690165448c7ea6a6b1b3010bcf"` Nov 30 07:39:32.416 INFO [stdout] e5955d9a469bd96eb3d80461f482b07969dd66690165448c7ea6a6b1b3010bcf