Dec 19 21:04:40.934 INFO checking acsearle/barc against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955 Dec 19 21:04:40.934 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/acsearle/barc:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"` Dec 19 21:04:41.308 INFO [stdout] 04ce33bcf5d506802522b072bab13221056b754fc2a96b0e813059461ea946b9 Dec 19 21:04:41.314 INFO running `"docker" "start" "-a" "04ce33bcf5d506802522b072bab13221056b754fc2a96b0e813059461ea946b9"` Dec 19 21:04:42.937 INFO [stderr] Checking barc v0.1.0 (/opt/crater/workdir) Dec 19 21:04:44.012 INFO [stderr] warning: method is never used: `set` Dec 19 21:04:44.012 INFO [stderr] --> src/lib.rs:167:5 Dec 19 21:04:44.012 INFO [stderr] | Dec 19 21:04:44.012 INFO [stderr] 167 | fn set(&mut self, count: usize, pointer: *mut T) { Dec 19 21:04:44.012 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 21:04:44.012 INFO [stderr] | Dec 19 21:04:44.012 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 19 21:04:44.012 INFO [stderr] Dec 19 21:04:44.012 INFO [stderr] warning: method is never used: `set_ptr` Dec 19 21:04:44.012 INFO [stderr] --> src/lib.rs:176:5 Dec 19 21:04:44.012 INFO [stderr] | Dec 19 21:04:44.012 INFO [stderr] 176 | fn set_ptr(&mut self, pointer: *mut T) { Dec 19 21:04:44.012 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 21:04:44.012 INFO [stderr] Dec 19 21:04:44.012 INFO [stderr] warning: method is never used: `as_ref` Dec 19 21:04:44.012 INFO [stderr] --> src/lib.rs:191:5 Dec 19 21:04:44.012 INFO [stderr] | Dec 19 21:04:44.012 INFO [stderr] 191 | unsafe fn as_ref(&self) -> &T { Dec 19 21:04:44.012 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 21:04:44.012 INFO [stderr] Dec 19 21:04:44.012 INFO [stderr] warning: method is never used: `as_mut` Dec 19 21:04:44.012 INFO [stderr] --> src/lib.rs:195:5 Dec 19 21:04:44.013 INFO [stderr] | Dec 19 21:04:44.013 INFO [stderr] 195 | unsafe fn as_mut(&mut self) -> &mut T { Dec 19 21:04:44.013 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 21:04:44.013 INFO [stderr] Dec 19 21:04:44.013 INFO [stderr] warning: method is never used: `get_ptr` Dec 19 21:04:44.013 INFO [stderr] --> src/lib.rs:282:5 Dec 19 21:04:44.013 INFO [stderr] | Dec 19 21:04:44.013 INFO [stderr] 282 | fn get_ptr(&self) -> *mut T { Dec 19 21:04:44.013 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 21:04:44.013 INFO [stderr] Dec 19 21:04:44.013 INFO [stderr] warning: method is never used: `set_ptr` Dec 19 21:04:44.013 INFO [stderr] --> src/lib.rs:287:5 Dec 19 21:04:44.013 INFO [stderr] | Dec 19 21:04:44.013 INFO [stderr] 287 | fn set_ptr(&mut self, pointer: NonNull) { Dec 19 21:04:44.013 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 21:04:44.013 INFO [stderr] Dec 19 21:04:44.013 INFO [stderr] warning: method is never used: `into_inner` Dec 19 21:04:44.013 INFO [stderr] --> src/lib.rs:349:5 Dec 19 21:04:44.013 INFO [stderr] | Dec 19 21:04:44.013 INFO [stderr] 349 | fn into_inner(self) -> CountedPtr { Dec 19 21:04:44.013 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 21:04:44.013 INFO [stderr] Dec 19 21:04:44.013 INFO [stderr] warning: method is never used: `store` Dec 19 21:04:44.013 INFO [stderr] --> src/lib.rs:362:5 Dec 19 21:04:44.013 INFO [stderr] | Dec 19 21:04:44.013 INFO [stderr] 362 | fn store(&self, p: CountedPtr, order: Ordering) { Dec 19 21:04:44.013 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 21:04:44.013 INFO [stderr] Dec 19 21:04:44.013 INFO [stderr] warning: method is never used: `compare_and_swap` Dec 19 21:04:44.013 INFO [stderr] --> src/lib.rs:370:5 Dec 19 21:04:44.013 INFO [stderr] | Dec 19 21:04:44.013 INFO [stderr] 370 | / fn compare_and_swap( Dec 19 21:04:44.013 INFO [stderr] 371 | | &self, Dec 19 21:04:44.013 INFO [stderr] 372 | | current: CountedPtr, Dec 19 21:04:44.013 INFO [stderr] 373 | | new: CountedPtr, Dec 19 21:04:44.013 INFO [stderr] ... | Dec 19 21:04:44.013 INFO [stderr] 382 | | ) Dec 19 21:04:44.013 INFO [stderr] 383 | | } Dec 19 21:04:44.013 INFO [stderr] | |_____^ Dec 19 21:04:44.013 INFO [stderr] Dec 19 21:04:44.013 INFO [stderr] warning: method is never used: `compare_exchange` Dec 19 21:04:44.013 INFO [stderr] --> src/lib.rs:385:5 Dec 19 21:04:44.013 INFO [stderr] | Dec 19 21:04:44.013 INFO [stderr] 385 | / fn compare_exchange( Dec 19 21:04:44.013 INFO [stderr] 386 | | &self, Dec 19 21:04:44.013 INFO [stderr] 387 | | current: CountedPtr, Dec 19 21:04:44.013 INFO [stderr] 388 | | new: CountedPtr, Dec 19 21:04:44.013 INFO [stderr] ... | Dec 19 21:04:44.013 INFO [stderr] 400 | | } Dec 19 21:04:44.013 INFO [stderr] 401 | | } Dec 19 21:04:44.013 INFO [stderr] | |_____^ Dec 19 21:04:44.013 INFO [stderr] Dec 19 21:04:44.013 INFO [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable Dec 19 21:04:44.013 INFO [stderr] --> src/lib.rs:83:12 Dec 19 21:04:44.013 INFO [stderr] | Dec 19 21:04:44.013 INFO [stderr] 83 | #![feature(extern_prelude)] Dec 19 21:04:44.013 INFO [stderr] | ^^^^^^^^^^^^^^ Dec 19 21:04:44.013 INFO [stderr] | Dec 19 21:04:44.013 INFO [stderr] = note: #[warn(stable_features)] on by default Dec 19 21:04:44.013 INFO [stderr] Dec 19 21:04:44.200 INFO [stderr] warning: unused variable: `nest` Dec 19 21:04:44.200 INFO [stderr] --> src/lib.rs:2223:17 Dec 19 21:04:44.200 INFO [stderr] | Dec 19 21:04:44.200 INFO [stderr] 2223 | let nest = Nest::new(); Dec 19 21:04:44.200 INFO [stderr] | ^^^^ help: consider using `_nest` instead Dec 19 21:04:44.200 INFO [stderr] | Dec 19 21:04:44.200 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 19 21:04:44.200 INFO [stderr] Dec 19 21:04:44.204 INFO [stderr] warning: unused variable: `b` Dec 19 21:04:44.204 INFO [stderr] --> src/lib.rs:2281:17 Dec 19 21:04:44.204 INFO [stderr] | Dec 19 21:04:44.204 INFO [stderr] 2281 | let b = a.clone(); Dec 19 21:04:44.204 INFO [stderr] | ^ help: consider using `_b` instead Dec 19 21:04:44.204 INFO [stderr] Dec 19 21:04:44.204 INFO [stderr] warning: unused variable: `c` Dec 19 21:04:44.204 INFO [stderr] --> src/lib.rs:2283:17 Dec 19 21:04:44.204 INFO [stderr] | Dec 19 21:04:44.204 INFO [stderr] 2283 | let c = WeightedArc::downgrade(&a); Dec 19 21:04:44.204 INFO [stderr] | ^ help: consider using `_c` instead Dec 19 21:04:44.204 INFO [stderr] Dec 19 21:04:44.204 INFO [stderr] warning: unused variable: `b` Dec 19 21:04:44.204 INFO [stderr] --> src/lib.rs:2303:21 Dec 19 21:04:44.204 INFO [stderr] | Dec 19 21:04:44.204 INFO [stderr] 2303 | let mut b = a.clone(); Dec 19 21:04:44.204 INFO [stderr] | ^ help: consider using `_b` instead Dec 19 21:04:44.204 INFO [stderr] Dec 19 21:04:44.204 INFO [stderr] warning: unused variable: `a` Dec 19 21:04:44.204 INFO [stderr] --> src/lib.rs:2319:17 Dec 19 21:04:44.204 INFO [stderr] | Dec 19 21:04:44.204 INFO [stderr] 2319 | let a = AtomicOptionWeightedArc::new(Some(WeightedArc::new(nest.hatch(99)))); Dec 19 21:04:44.204 INFO [stderr] | ^ help: consider using `_a` instead Dec 19 21:04:44.204 INFO [stderr] Dec 19 21:04:44.456 INFO [stderr] warning: variable does not need to be mutable Dec 19 21:04:44.456 INFO [stderr] --> src/lib.rs:2303:17 Dec 19 21:04:44.456 INFO [stderr] | Dec 19 21:04:44.456 INFO [stderr] 2303 | let mut b = a.clone(); Dec 19 21:04:44.456 INFO [stderr] | ----^ Dec 19 21:04:44.456 INFO [stderr] | | Dec 19 21:04:44.456 INFO [stderr] | help: remove this `mut` Dec 19 21:04:44.476 INFO [stderr] | Dec 19 21:04:44.476 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 19 21:04:44.476 INFO [stderr] Dec 19 21:04:44.536 INFO [stderr] warning: method is never used: `set` Dec 19 21:04:44.536 INFO [stderr] --> src/lib.rs:167:5 Dec 19 21:04:44.536 INFO [stderr] | Dec 19 21:04:44.536 INFO [stderr] 167 | fn set(&mut self, count: usize, pointer: *mut T) { Dec 19 21:04:44.536 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 21:04:44.536 INFO [stderr] | Dec 19 21:04:44.536 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 19 21:04:44.536 INFO [stderr] Dec 19 21:04:44.536 INFO [stderr] warning: method is never used: `set_ptr` Dec 19 21:04:44.536 INFO [stderr] --> src/lib.rs:176:5 Dec 19 21:04:44.536 INFO [stderr] | Dec 19 21:04:44.536 INFO [stderr] 176 | fn set_ptr(&mut self, pointer: *mut T) { Dec 19 21:04:44.536 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 21:04:44.536 INFO [stderr] Dec 19 21:04:44.536 INFO [stderr] warning: method is never used: `as_ref` Dec 19 21:04:44.536 INFO [stderr] --> src/lib.rs:191:5 Dec 19 21:04:44.536 INFO [stderr] | Dec 19 21:04:44.536 INFO [stderr] 191 | unsafe fn as_ref(&self) -> &T { Dec 19 21:04:44.536 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 21:04:44.536 INFO [stderr] Dec 19 21:04:44.536 INFO [stderr] warning: method is never used: `as_mut` Dec 19 21:04:44.536 INFO [stderr] --> src/lib.rs:195:5 Dec 19 21:04:44.536 INFO [stderr] | Dec 19 21:04:44.536 INFO [stderr] 195 | unsafe fn as_mut(&mut self) -> &mut T { Dec 19 21:04:44.536 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 21:04:44.536 INFO [stderr] Dec 19 21:04:44.536 INFO [stderr] warning: method is never used: `get_ptr` Dec 19 21:04:44.536 INFO [stderr] --> src/lib.rs:282:5 Dec 19 21:04:44.536 INFO [stderr] | Dec 19 21:04:44.536 INFO [stderr] 282 | fn get_ptr(&self) -> *mut T { Dec 19 21:04:44.536 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 21:04:44.536 INFO [stderr] Dec 19 21:04:44.536 INFO [stderr] warning: method is never used: `set_ptr` Dec 19 21:04:44.536 INFO [stderr] --> src/lib.rs:287:5 Dec 19 21:04:44.536 INFO [stderr] | Dec 19 21:04:44.536 INFO [stderr] 287 | fn set_ptr(&mut self, pointer: NonNull) { Dec 19 21:04:44.536 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 21:04:44.536 INFO [stderr] Dec 19 21:04:44.536 INFO [stderr] warning: method is never used: `into_inner` Dec 19 21:04:44.536 INFO [stderr] --> src/lib.rs:349:5 Dec 19 21:04:44.536 INFO [stderr] | Dec 19 21:04:44.536 INFO [stderr] 349 | fn into_inner(self) -> CountedPtr { Dec 19 21:04:44.536 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 21:04:44.537 INFO [stderr] Dec 19 21:04:44.537 INFO [stderr] warning: method is never used: `store` Dec 19 21:04:44.537 INFO [stderr] --> src/lib.rs:362:5 Dec 19 21:04:44.537 INFO [stderr] | Dec 19 21:04:44.537 INFO [stderr] 362 | fn store(&self, p: CountedPtr, order: Ordering) { Dec 19 21:04:44.537 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 21:04:44.537 INFO [stderr] Dec 19 21:04:44.537 INFO [stderr] warning: method is never used: `compare_and_swap` Dec 19 21:04:44.537 INFO [stderr] --> src/lib.rs:370:5 Dec 19 21:04:44.537 INFO [stderr] | Dec 19 21:04:44.537 INFO [stderr] 370 | / fn compare_and_swap( Dec 19 21:04:44.537 INFO [stderr] 371 | | &self, Dec 19 21:04:44.537 INFO [stderr] 372 | | current: CountedPtr, Dec 19 21:04:44.537 INFO [stderr] 373 | | new: CountedPtr, Dec 19 21:04:44.537 INFO [stderr] ... | Dec 19 21:04:44.537 INFO [stderr] 382 | | ) Dec 19 21:04:44.537 INFO [stderr] 383 | | } Dec 19 21:04:44.537 INFO [stderr] | |_____^ Dec 19 21:04:44.537 INFO [stderr] Dec 19 21:04:44.537 INFO [stderr] warning: method is never used: `compare_exchange` Dec 19 21:04:44.537 INFO [stderr] --> src/lib.rs:385:5 Dec 19 21:04:44.537 INFO [stderr] | Dec 19 21:04:44.537 INFO [stderr] 385 | / fn compare_exchange( Dec 19 21:04:44.537 INFO [stderr] 386 | | &self, Dec 19 21:04:44.537 INFO [stderr] 387 | | current: CountedPtr, Dec 19 21:04:44.537 INFO [stderr] 388 | | new: CountedPtr, Dec 19 21:04:44.537 INFO [stderr] ... | Dec 19 21:04:44.537 INFO [stderr] 400 | | } Dec 19 21:04:44.537 INFO [stderr] 401 | | } Dec 19 21:04:44.537 INFO [stderr] | |_____^ Dec 19 21:04:44.537 INFO [stderr] Dec 19 21:04:44.537 INFO [stderr] warning: method is never used: `check` Dec 19 21:04:44.537 INFO [stderr] --> src/lib.rs:2175:9 Dec 19 21:04:44.537 INFO [stderr] | Dec 19 21:04:44.537 INFO [stderr] 2175 | fn check(&self) { Dec 19 21:04:44.537 INFO [stderr] | ^^^^^^^^^^^^^^^ Dec 19 21:04:44.537 INFO [stderr] Dec 19 21:04:44.537 INFO [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable Dec 19 21:04:44.537 INFO [stderr] --> src/lib.rs:83:12 Dec 19 21:04:44.537 INFO [stderr] | Dec 19 21:04:44.537 INFO [stderr] 83 | #![feature(extern_prelude)] Dec 19 21:04:44.537 INFO [stderr] | ^^^^^^^^^^^^^^ Dec 19 21:04:44.537 INFO [stderr] | Dec 19 21:04:44.537 INFO [stderr] = note: #[warn(stable_features)] on by default Dec 19 21:04:44.537 INFO [stderr] Dec 19 21:04:44.666 INFO [stderr] warning: unreachable statement Dec 19 21:04:44.666 INFO [stderr] --> src/main.rs:203:5 Dec 19 21:04:44.666 INFO [stderr] | Dec 19 21:04:44.666 INFO [stderr] 203 | / { Dec 19 21:04:44.666 INFO [stderr] 204 | | // Stress-test swaps Dec 19 21:04:44.666 INFO [stderr] 205 | | Dec 19 21:04:44.666 INFO [stderr] 206 | | let a = 100; Dec 19 21:04:44.666 INFO [stderr] ... | Dec 19 21:04:44.666 INFO [stderr] 243 | | Dec 19 21:04:44.666 INFO [stderr] 244 | | } Dec 19 21:04:44.666 INFO [stderr] | |_____^ Dec 19 21:04:44.666 INFO [stderr] | Dec 19 21:04:44.666 INFO [stderr] = note: #[warn(unreachable_code)] on by default Dec 19 21:04:44.667 INFO [stderr] Dec 19 21:04:44.736 INFO [stderr] warning: method is never used: `into_inner` Dec 19 21:04:44.736 INFO [stderr] --> src/main.rs:35:5 Dec 19 21:04:44.736 INFO [stderr] | Dec 19 21:04:44.736 INFO [stderr] 35 | fn into_inner(self) -> T { Dec 19 21:04:44.736 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 21:04:44.736 INFO [stderr] | Dec 19 21:04:44.736 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 19 21:04:44.736 INFO [stderr] Dec 19 21:04:44.921 INFO [stderr] warning: unreachable statement Dec 19 21:04:44.921 INFO [stderr] --> src/main.rs:203:5 Dec 19 21:04:44.921 INFO [stderr] | Dec 19 21:04:44.921 INFO [stderr] 203 | / { Dec 19 21:04:44.921 INFO [stderr] 204 | | // Stress-test swaps Dec 19 21:04:44.921 INFO [stderr] 205 | | Dec 19 21:04:44.921 INFO [stderr] 206 | | let a = 100; Dec 19 21:04:44.921 INFO [stderr] ... | Dec 19 21:04:44.921 INFO [stderr] 243 | | Dec 19 21:04:44.921 INFO [stderr] 244 | | } Dec 19 21:04:44.921 INFO [stderr] | |_____^ Dec 19 21:04:44.921 INFO [stderr] | Dec 19 21:04:44.921 INFO [stderr] = note: #[warn(unreachable_code)] on by default Dec 19 21:04:44.921 INFO [stderr] Dec 19 21:04:44.996 INFO [stderr] warning: method is never used: `into_inner` Dec 19 21:04:44.996 INFO [stderr] --> src/main.rs:35:5 Dec 19 21:04:44.996 INFO [stderr] | Dec 19 21:04:44.996 INFO [stderr] 35 | fn into_inner(self) -> T { Dec 19 21:04:44.996 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 21:04:44.996 INFO [stderr] | Dec 19 21:04:44.996 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 19 21:04:44.996 INFO [stderr] Dec 19 21:04:45.038 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.12s Dec 19 21:04:45.539 INFO running `"docker" "inspect" "04ce33bcf5d506802522b072bab13221056b754fc2a96b0e813059461ea946b9"` Dec 19 21:04:45.661 INFO running `"docker" "rm" "-f" "04ce33bcf5d506802522b072bab13221056b754fc2a96b0e813059461ea946b9"` Dec 19 21:04:45.805 INFO [stdout] 04ce33bcf5d506802522b072bab13221056b754fc2a96b0e813059461ea946b9