Dec 18 04:36:20.026 INFO checking acsearle/barc against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252 Dec 18 04:36:20.027 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"` Dec 18 04:36:20.488 INFO [stdout] a0f77019d1e0c11c9700bdf9c476ef1846b68a7f8f0cf064d4b14537208e0b18 Dec 18 04:36:20.490 INFO running `"docker" "start" "-a" "a0f77019d1e0c11c9700bdf9c476ef1846b68a7f8f0cf064d4b14537208e0b18"` Dec 18 04:36:22.164 INFO [stderr] Checking barc v0.1.0 (/opt/crater/workdir) Dec 18 04:36:23.028 INFO [stderr] warning: method is never used: `set` Dec 18 04:36:23.028 INFO [stderr] --> src/lib.rs:167:5 Dec 18 04:36:23.028 INFO [stderr] | Dec 18 04:36:23.028 INFO [stderr] 167 | fn set(&mut self, count: usize, pointer: *mut T) { Dec 18 04:36:23.028 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 04:36:23.028 INFO [stderr] | Dec 18 04:36:23.028 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 18 04:36:23.029 INFO [stderr] Dec 18 04:36:23.029 INFO [stderr] warning: method is never used: `set_ptr` Dec 18 04:36:23.029 INFO [stderr] --> src/lib.rs:176:5 Dec 18 04:36:23.029 INFO [stderr] | Dec 18 04:36:23.029 INFO [stderr] 176 | fn set_ptr(&mut self, pointer: *mut T) { Dec 18 04:36:23.029 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 04:36:23.029 INFO [stderr] Dec 18 04:36:23.029 INFO [stderr] warning: method is never used: `as_ref` Dec 18 04:36:23.029 INFO [stderr] --> src/lib.rs:191:5 Dec 18 04:36:23.029 INFO [stderr] | Dec 18 04:36:23.029 INFO [stderr] 191 | unsafe fn as_ref(&self) -> &T { Dec 18 04:36:23.029 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 04:36:23.029 INFO [stderr] Dec 18 04:36:23.029 INFO [stderr] warning: method is never used: `as_mut` Dec 18 04:36:23.029 INFO [stderr] --> src/lib.rs:195:5 Dec 18 04:36:23.029 INFO [stderr] | Dec 18 04:36:23.029 INFO [stderr] 195 | unsafe fn as_mut(&mut self) -> &mut T { Dec 18 04:36:23.029 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 04:36:23.029 INFO [stderr] Dec 18 04:36:23.029 INFO [stderr] warning: method is never used: `get_ptr` Dec 18 04:36:23.029 INFO [stderr] --> src/lib.rs:282:5 Dec 18 04:36:23.029 INFO [stderr] | Dec 18 04:36:23.029 INFO [stderr] 282 | fn get_ptr(&self) -> *mut T { Dec 18 04:36:23.029 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 04:36:23.029 INFO [stderr] Dec 18 04:36:23.029 INFO [stderr] warning: method is never used: `set_ptr` Dec 18 04:36:23.029 INFO [stderr] --> src/lib.rs:287:5 Dec 18 04:36:23.029 INFO [stderr] | Dec 18 04:36:23.029 INFO [stderr] 287 | fn set_ptr(&mut self, pointer: NonNull) { Dec 18 04:36:23.029 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 04:36:23.029 INFO [stderr] Dec 18 04:36:23.029 INFO [stderr] warning: method is never used: `into_inner` Dec 18 04:36:23.029 INFO [stderr] --> src/lib.rs:349:5 Dec 18 04:36:23.029 INFO [stderr] | Dec 18 04:36:23.029 INFO [stderr] 349 | fn into_inner(self) -> CountedPtr { Dec 18 04:36:23.029 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 04:36:23.029 INFO [stderr] Dec 18 04:36:23.029 INFO [stderr] warning: method is never used: `store` Dec 18 04:36:23.029 INFO [stderr] --> src/lib.rs:362:5 Dec 18 04:36:23.029 INFO [stderr] | Dec 18 04:36:23.029 INFO [stderr] 362 | fn store(&self, p: CountedPtr, order: Ordering) { Dec 18 04:36:23.029 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 04:36:23.029 INFO [stderr] Dec 18 04:36:23.029 INFO [stderr] warning: method is never used: `compare_and_swap` Dec 18 04:36:23.029 INFO [stderr] --> src/lib.rs:370:5 Dec 18 04:36:23.029 INFO [stderr] | Dec 18 04:36:23.029 INFO [stderr] 370 | / fn compare_and_swap( Dec 18 04:36:23.029 INFO [stderr] 371 | | &self, Dec 18 04:36:23.029 INFO [stderr] 372 | | current: CountedPtr, Dec 18 04:36:23.029 INFO [stderr] 373 | | new: CountedPtr, Dec 18 04:36:23.029 INFO [stderr] ... | Dec 18 04:36:23.029 INFO [stderr] 382 | | ) Dec 18 04:36:23.029 INFO [stderr] 383 | | } Dec 18 04:36:23.029 INFO [stderr] | |_____^ Dec 18 04:36:23.029 INFO [stderr] Dec 18 04:36:23.029 INFO [stderr] warning: method is never used: `compare_exchange` Dec 18 04:36:23.029 INFO [stderr] --> src/lib.rs:385:5 Dec 18 04:36:23.029 INFO [stderr] | Dec 18 04:36:23.029 INFO [stderr] 385 | / fn compare_exchange( Dec 18 04:36:23.029 INFO [stderr] 386 | | &self, Dec 18 04:36:23.029 INFO [stderr] 387 | | current: CountedPtr, Dec 18 04:36:23.029 INFO [stderr] 388 | | new: CountedPtr, Dec 18 04:36:23.029 INFO [stderr] ... | Dec 18 04:36:23.029 INFO [stderr] 400 | | } Dec 18 04:36:23.029 INFO [stderr] 401 | | } Dec 18 04:36:23.029 INFO [stderr] | |_____^ Dec 18 04:36:23.029 INFO [stderr] Dec 18 04:36:23.029 INFO [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable Dec 18 04:36:23.029 INFO [stderr] --> src/lib.rs:83:12 Dec 18 04:36:23.029 INFO [stderr] | Dec 18 04:36:23.029 INFO [stderr] 83 | #![feature(extern_prelude)] Dec 18 04:36:23.029 INFO [stderr] | ^^^^^^^^^^^^^^ Dec 18 04:36:23.029 INFO [stderr] | Dec 18 04:36:23.029 INFO [stderr] = note: #[warn(stable_features)] on by default Dec 18 04:36:23.029 INFO [stderr] Dec 18 04:36:23.407 INFO [stderr] warning: unreachable statement Dec 18 04:36:23.407 INFO [stderr] --> src/main.rs:203:5 Dec 18 04:36:23.407 INFO [stderr] | Dec 18 04:36:23.407 INFO [stderr] 203 | / { Dec 18 04:36:23.407 INFO [stderr] 204 | | // Stress-test swaps Dec 18 04:36:23.407 INFO [stderr] 205 | | Dec 18 04:36:23.407 INFO [stderr] 206 | | let a = 100; Dec 18 04:36:23.407 INFO [stderr] ... | Dec 18 04:36:23.407 INFO [stderr] 243 | | Dec 18 04:36:23.407 INFO [stderr] 244 | | } Dec 18 04:36:23.407 INFO [stderr] | |_____^ Dec 18 04:36:23.407 INFO [stderr] | Dec 18 04:36:23.407 INFO [stderr] = note: #[warn(unreachable_code)] on by default Dec 18 04:36:23.407 INFO [stderr] Dec 18 04:36:23.424 INFO [stderr] warning: unused variable: `nest` Dec 18 04:36:23.424 INFO [stderr] --> src/lib.rs:2223:17 Dec 18 04:36:23.424 INFO [stderr] | Dec 18 04:36:23.424 INFO [stderr] 2223 | let nest = Nest::new(); Dec 18 04:36:23.424 INFO [stderr] | ^^^^ help: consider using `_nest` instead Dec 18 04:36:23.424 INFO [stderr] | Dec 18 04:36:23.424 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 18 04:36:23.424 INFO [stderr] Dec 18 04:36:23.424 INFO [stderr] warning: unused variable: `b` Dec 18 04:36:23.424 INFO [stderr] --> src/lib.rs:2281:17 Dec 18 04:36:23.424 INFO [stderr] | Dec 18 04:36:23.424 INFO [stderr] 2281 | let b = a.clone(); Dec 18 04:36:23.424 INFO [stderr] | ^ help: consider using `_b` instead Dec 18 04:36:23.424 INFO [stderr] Dec 18 04:36:23.424 INFO [stderr] warning: unused variable: `c` Dec 18 04:36:23.424 INFO [stderr] --> src/lib.rs:2283:17 Dec 18 04:36:23.424 INFO [stderr] | Dec 18 04:36:23.424 INFO [stderr] 2283 | let c = WeightedArc::downgrade(&a); Dec 18 04:36:23.424 INFO [stderr] | ^ help: consider using `_c` instead Dec 18 04:36:23.424 INFO [stderr] Dec 18 04:36:23.424 INFO [stderr] warning: unused variable: `b` Dec 18 04:36:23.424 INFO [stderr] --> src/lib.rs:2303:21 Dec 18 04:36:23.424 INFO [stderr] | Dec 18 04:36:23.424 INFO [stderr] 2303 | let mut b = a.clone(); Dec 18 04:36:23.424 INFO [stderr] | ^ help: consider using `_b` instead Dec 18 04:36:23.424 INFO [stderr] Dec 18 04:36:23.428 INFO [stderr] warning: unused variable: `a` Dec 18 04:36:23.428 INFO [stderr] --> src/lib.rs:2319:17 Dec 18 04:36:23.428 INFO [stderr] | Dec 18 04:36:23.428 INFO [stderr] 2319 | let a = AtomicOptionWeightedArc::new(Some(WeightedArc::new(nest.hatch(99)))); Dec 18 04:36:23.428 INFO [stderr] | ^ help: consider using `_a` instead Dec 18 04:36:23.428 INFO [stderr] Dec 18 04:36:23.483 INFO [stderr] warning: method is never used: `into_inner` Dec 18 04:36:23.483 INFO [stderr] --> src/main.rs:35:5 Dec 18 04:36:23.483 INFO [stderr] | Dec 18 04:36:23.483 INFO [stderr] 35 | fn into_inner(self) -> T { Dec 18 04:36:23.483 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 04:36:23.483 INFO [stderr] | Dec 18 04:36:23.483 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 18 04:36:23.483 INFO [stderr] Dec 18 04:36:23.516 INFO [stderr] warning: variable does not need to be mutable Dec 18 04:36:23.516 INFO [stderr] --> src/lib.rs:2303:17 Dec 18 04:36:23.516 INFO [stderr] | Dec 18 04:36:23.516 INFO [stderr] 2303 | let mut b = a.clone(); Dec 18 04:36:23.516 INFO [stderr] | ----^ Dec 18 04:36:23.516 INFO [stderr] | | Dec 18 04:36:23.516 INFO [stderr] | help: remove this `mut` Dec 18 04:36:23.516 INFO [stderr] | Dec 18 04:36:23.516 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 18 04:36:23.516 INFO [stderr] Dec 18 04:36:23.532 INFO [stderr] warning: method is never used: `set` Dec 18 04:36:23.532 INFO [stderr] --> src/lib.rs:167:5 Dec 18 04:36:23.532 INFO [stderr] | Dec 18 04:36:23.532 INFO [stderr] 167 | fn set(&mut self, count: usize, pointer: *mut T) { Dec 18 04:36:23.532 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 04:36:23.532 INFO [stderr] | Dec 18 04:36:23.532 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 18 04:36:23.532 INFO [stderr] Dec 18 04:36:23.532 INFO [stderr] warning: method is never used: `set_ptr` Dec 18 04:36:23.533 INFO [stderr] --> src/lib.rs:176:5 Dec 18 04:36:23.533 INFO [stderr] | Dec 18 04:36:23.533 INFO [stderr] 176 | fn set_ptr(&mut self, pointer: *mut T) { Dec 18 04:36:23.533 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 04:36:23.533 INFO [stderr] Dec 18 04:36:23.533 INFO [stderr] warning: method is never used: `as_ref` Dec 18 04:36:23.533 INFO [stderr] --> src/lib.rs:191:5 Dec 18 04:36:23.533 INFO [stderr] | Dec 18 04:36:23.533 INFO [stderr] 191 | unsafe fn as_ref(&self) -> &T { Dec 18 04:36:23.533 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 04:36:23.533 INFO [stderr] Dec 18 04:36:23.533 INFO [stderr] warning: method is never used: `as_mut` Dec 18 04:36:23.533 INFO [stderr] --> src/lib.rs:195:5 Dec 18 04:36:23.533 INFO [stderr] | Dec 18 04:36:23.533 INFO [stderr] 195 | unsafe fn as_mut(&mut self) -> &mut T { Dec 18 04:36:23.533 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 04:36:23.533 INFO [stderr] Dec 18 04:36:23.533 INFO [stderr] warning: method is never used: `get_ptr` Dec 18 04:36:23.533 INFO [stderr] --> src/lib.rs:282:5 Dec 18 04:36:23.533 INFO [stderr] | Dec 18 04:36:23.533 INFO [stderr] 282 | fn get_ptr(&self) -> *mut T { Dec 18 04:36:23.533 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 04:36:23.533 INFO [stderr] Dec 18 04:36:23.533 INFO [stderr] warning: method is never used: `set_ptr` Dec 18 04:36:23.533 INFO [stderr] --> src/lib.rs:287:5 Dec 18 04:36:23.533 INFO [stderr] | Dec 18 04:36:23.533 INFO [stderr] 287 | fn set_ptr(&mut self, pointer: NonNull) { Dec 18 04:36:23.533 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 04:36:23.533 INFO [stderr] Dec 18 04:36:23.533 INFO [stderr] warning: method is never used: `into_inner` Dec 18 04:36:23.533 INFO [stderr] --> src/lib.rs:349:5 Dec 18 04:36:23.533 INFO [stderr] | Dec 18 04:36:23.533 INFO [stderr] 349 | fn into_inner(self) -> CountedPtr { Dec 18 04:36:23.533 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 04:36:23.533 INFO [stderr] Dec 18 04:36:23.533 INFO [stderr] warning: method is never used: `store` Dec 18 04:36:23.533 INFO [stderr] --> src/lib.rs:362:5 Dec 18 04:36:23.533 INFO [stderr] | Dec 18 04:36:23.533 INFO [stderr] 362 | fn store(&self, p: CountedPtr, order: Ordering) { Dec 18 04:36:23.533 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 04:36:23.533 INFO [stderr] Dec 18 04:36:23.533 INFO [stderr] warning: method is never used: `compare_and_swap` Dec 18 04:36:23.533 INFO [stderr] --> src/lib.rs:370:5 Dec 18 04:36:23.533 INFO [stderr] | Dec 18 04:36:23.533 INFO [stderr] 370 | / fn compare_and_swap( Dec 18 04:36:23.533 INFO [stderr] 371 | | &self, Dec 18 04:36:23.533 INFO [stderr] 372 | | current: CountedPtr, Dec 18 04:36:23.533 INFO [stderr] 373 | | new: CountedPtr, Dec 18 04:36:23.533 INFO [stderr] ... | Dec 18 04:36:23.533 INFO [stderr] 382 | | ) Dec 18 04:36:23.533 INFO [stderr] 383 | | } Dec 18 04:36:23.533 INFO [stderr] | |_____^ Dec 18 04:36:23.533 INFO [stderr] Dec 18 04:36:23.533 INFO [stderr] warning: method is never used: `compare_exchange` Dec 18 04:36:23.533 INFO [stderr] --> src/lib.rs:385:5 Dec 18 04:36:23.533 INFO [stderr] | Dec 18 04:36:23.533 INFO [stderr] 385 | / fn compare_exchange( Dec 18 04:36:23.533 INFO [stderr] 386 | | &self, Dec 18 04:36:23.533 INFO [stderr] 387 | | current: CountedPtr, Dec 18 04:36:23.533 INFO [stderr] 388 | | new: CountedPtr, Dec 18 04:36:23.533 INFO [stderr] ... | Dec 18 04:36:23.533 INFO [stderr] 400 | | } Dec 18 04:36:23.533 INFO [stderr] 401 | | } Dec 18 04:36:23.533 INFO [stderr] | |_____^ Dec 18 04:36:23.533 INFO [stderr] Dec 18 04:36:23.534 INFO [stderr] warning: method is never used: `check` Dec 18 04:36:23.534 INFO [stderr] --> src/lib.rs:2175:9 Dec 18 04:36:23.534 INFO [stderr] | Dec 18 04:36:23.534 INFO [stderr] 2175 | fn check(&self) { Dec 18 04:36:23.534 INFO [stderr] | ^^^^^^^^^^^^^^^ Dec 18 04:36:23.534 INFO [stderr] Dec 18 04:36:23.534 INFO [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable Dec 18 04:36:23.534 INFO [stderr] --> src/lib.rs:83:12 Dec 18 04:36:23.534 INFO [stderr] | Dec 18 04:36:23.534 INFO [stderr] 83 | #![feature(extern_prelude)] Dec 18 04:36:23.534 INFO [stderr] | ^^^^^^^^^^^^^^ Dec 18 04:36:23.534 INFO [stderr] | Dec 18 04:36:23.534 INFO [stderr] = note: #[warn(stable_features)] on by default Dec 18 04:36:23.534 INFO [stderr] Dec 18 04:36:23.576 INFO [stderr] warning: unreachable statement Dec 18 04:36:23.576 INFO [stderr] --> src/main.rs:203:5 Dec 18 04:36:23.576 INFO [stderr] | Dec 18 04:36:23.576 INFO [stderr] 203 | / { Dec 18 04:36:23.576 INFO [stderr] 204 | | // Stress-test swaps Dec 18 04:36:23.576 INFO [stderr] 205 | | Dec 18 04:36:23.576 INFO [stderr] 206 | | let a = 100; Dec 18 04:36:23.576 INFO [stderr] ... | Dec 18 04:36:23.576 INFO [stderr] 243 | | Dec 18 04:36:23.576 INFO [stderr] 244 | | } Dec 18 04:36:23.576 INFO [stderr] | |_____^ Dec 18 04:36:23.576 INFO [stderr] | Dec 18 04:36:23.576 INFO [stderr] = note: #[warn(unreachable_code)] on by default Dec 18 04:36:23.576 INFO [stderr] Dec 18 04:36:23.636 INFO [stderr] warning: method is never used: `into_inner` Dec 18 04:36:23.636 INFO [stderr] --> src/main.rs:35:5 Dec 18 04:36:23.636 INFO [stderr] | Dec 18 04:36:23.636 INFO [stderr] 35 | fn into_inner(self) -> T { Dec 18 04:36:23.636 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 04:36:23.636 INFO [stderr] | Dec 18 04:36:23.636 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 18 04:36:23.636 INFO [stderr] Dec 18 04:36:23.657 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.55s Dec 18 04:36:24.018 INFO running `"docker" "inspect" "a0f77019d1e0c11c9700bdf9c476ef1846b68a7f8f0cf064d4b14537208e0b18"` Dec 18 04:36:24.202 INFO running `"docker" "rm" "-f" "a0f77019d1e0c11c9700bdf9c476ef1846b68a7f8f0cf064d4b14537208e0b18"` Dec 18 04:36:24.353 INFO [stdout] a0f77019d1e0c11c9700bdf9c476ef1846b68a7f8f0cf064d4b14537208e0b18