Dec 11 23:17:00.512 INFO checking acsearle/barc against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677 Dec 11 23:17:00.512 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"` Dec 11 23:17:01.108 INFO [stdout] 01367d40b286c5a758a835770b34e2ba1a9248b6aa319a2d6f7bf2a4e44ba7a1 Dec 11 23:17:01.110 INFO running `"docker" "start" "-a" "01367d40b286c5a758a835770b34e2ba1a9248b6aa319a2d6f7bf2a4e44ba7a1"` Dec 11 23:17:02.764 INFO [stderr] usermod: no changes Dec 11 23:17:02.848 INFO [stderr] Checking barc v0.1.0 (/source) Dec 11 23:17:03.757 INFO [stderr] warning: method is never used: `set` Dec 11 23:17:03.757 INFO [stderr] --> src/lib.rs:167:5 Dec 11 23:17:03.757 INFO [stderr] | Dec 11 23:17:03.757 INFO [stderr] 167 | fn set(&mut self, count: usize, pointer: *mut T) { Dec 11 23:17:03.757 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 23:17:03.757 INFO [stderr] | Dec 11 23:17:03.757 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 11 23:17:03.757 INFO [stderr] Dec 11 23:17:03.757 INFO [stderr] warning: method is never used: `set_ptr` Dec 11 23:17:03.757 INFO [stderr] --> src/lib.rs:176:5 Dec 11 23:17:03.757 INFO [stderr] | Dec 11 23:17:03.757 INFO [stderr] 176 | fn set_ptr(&mut self, pointer: *mut T) { Dec 11 23:17:03.757 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 23:17:03.757 INFO [stderr] Dec 11 23:17:03.757 INFO [stderr] warning: method is never used: `as_ref` Dec 11 23:17:03.757 INFO [stderr] --> src/lib.rs:191:5 Dec 11 23:17:03.757 INFO [stderr] | Dec 11 23:17:03.757 INFO [stderr] 191 | unsafe fn as_ref(&self) -> &T { Dec 11 23:17:03.757 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 23:17:03.757 INFO [stderr] Dec 11 23:17:03.757 INFO [stderr] warning: method is never used: `as_mut` Dec 11 23:17:03.757 INFO [stderr] --> src/lib.rs:195:5 Dec 11 23:17:03.757 INFO [stderr] | Dec 11 23:17:03.757 INFO [stderr] 195 | unsafe fn as_mut(&mut self) -> &mut T { Dec 11 23:17:03.757 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 23:17:03.757 INFO [stderr] Dec 11 23:17:03.758 INFO [stderr] warning: method is never used: `get_ptr` Dec 11 23:17:03.758 INFO [stderr] --> src/lib.rs:282:5 Dec 11 23:17:03.758 INFO [stderr] | Dec 11 23:17:03.758 INFO [stderr] 282 | fn get_ptr(&self) -> *mut T { Dec 11 23:17:03.758 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 23:17:03.758 INFO [stderr] Dec 11 23:17:03.758 INFO [stderr] warning: method is never used: `set_ptr` Dec 11 23:17:03.758 INFO [stderr] --> src/lib.rs:287:5 Dec 11 23:17:03.758 INFO [stderr] | Dec 11 23:17:03.758 INFO [stderr] 287 | fn set_ptr(&mut self, pointer: NonNull) { Dec 11 23:17:03.758 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 23:17:03.758 INFO [stderr] Dec 11 23:17:03.758 INFO [stderr] warning: method is never used: `into_inner` Dec 11 23:17:03.758 INFO [stderr] --> src/lib.rs:349:5 Dec 11 23:17:03.758 INFO [stderr] | Dec 11 23:17:03.758 INFO [stderr] 349 | fn into_inner(self) -> CountedPtr { Dec 11 23:17:03.758 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 23:17:03.758 INFO [stderr] Dec 11 23:17:03.758 INFO [stderr] warning: method is never used: `store` Dec 11 23:17:03.758 INFO [stderr] --> src/lib.rs:362:5 Dec 11 23:17:03.758 INFO [stderr] | Dec 11 23:17:03.758 INFO [stderr] 362 | fn store(&self, p: CountedPtr, order: Ordering) { Dec 11 23:17:03.758 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 23:17:03.758 INFO [stderr] Dec 11 23:17:03.758 INFO [stderr] warning: method is never used: `compare_and_swap` Dec 11 23:17:03.758 INFO [stderr] --> src/lib.rs:370:5 Dec 11 23:17:03.758 INFO [stderr] | Dec 11 23:17:03.758 INFO [stderr] 370 | / fn compare_and_swap( Dec 11 23:17:03.758 INFO [stderr] 371 | | &self, Dec 11 23:17:03.758 INFO [stderr] 372 | | current: CountedPtr, Dec 11 23:17:03.758 INFO [stderr] 373 | | new: CountedPtr, Dec 11 23:17:03.758 INFO [stderr] ... | Dec 11 23:17:03.758 INFO [stderr] 382 | | ) Dec 11 23:17:03.758 INFO [stderr] 383 | | } Dec 11 23:17:03.758 INFO [stderr] | |_____^ Dec 11 23:17:03.758 INFO [stderr] Dec 11 23:17:03.758 INFO [stderr] warning: method is never used: `compare_exchange` Dec 11 23:17:03.758 INFO [stderr] --> src/lib.rs:385:5 Dec 11 23:17:03.758 INFO [stderr] | Dec 11 23:17:03.758 INFO [stderr] 385 | / fn compare_exchange( Dec 11 23:17:03.758 INFO [stderr] 386 | | &self, Dec 11 23:17:03.758 INFO [stderr] 387 | | current: CountedPtr, Dec 11 23:17:03.758 INFO [stderr] 388 | | new: CountedPtr, Dec 11 23:17:03.759 INFO [stderr] ... | Dec 11 23:17:03.759 INFO [stderr] 400 | | } Dec 11 23:17:03.759 INFO [stderr] 401 | | } Dec 11 23:17:03.759 INFO [stderr] | |_____^ Dec 11 23:17:03.759 INFO [stderr] Dec 11 23:17:03.759 INFO [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable Dec 11 23:17:03.759 INFO [stderr] --> src/lib.rs:83:12 Dec 11 23:17:03.759 INFO [stderr] | Dec 11 23:17:03.759 INFO [stderr] 83 | #![feature(extern_prelude)] Dec 11 23:17:03.759 INFO [stderr] | ^^^^^^^^^^^^^^ Dec 11 23:17:03.759 INFO [stderr] | Dec 11 23:17:03.759 INFO [stderr] = note: #[warn(stable_features)] on by default Dec 11 23:17:03.759 INFO [stderr] Dec 11 23:17:04.004 INFO [stderr] warning: unused variable: `nest` Dec 11 23:17:04.005 INFO [stderr] --> src/lib.rs:2223:17 Dec 11 23:17:04.005 INFO [stderr] | Dec 11 23:17:04.005 INFO [stderr] 2223 | let nest = Nest::new(); Dec 11 23:17:04.005 INFO [stderr] | ^^^^ help: consider using `_nest` instead Dec 11 23:17:04.005 INFO [stderr] | Dec 11 23:17:04.005 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 11 23:17:04.005 INFO [stderr] Dec 11 23:17:04.005 INFO [stderr] warning: unused variable: `b` Dec 11 23:17:04.005 INFO [stderr] --> src/lib.rs:2281:17 Dec 11 23:17:04.005 INFO [stderr] | Dec 11 23:17:04.005 INFO [stderr] 2281 | let b = a.clone(); Dec 11 23:17:04.005 INFO [stderr] | ^ help: consider using `_b` instead Dec 11 23:17:04.005 INFO [stderr] Dec 11 23:17:04.005 INFO [stderr] warning: unused variable: `c` Dec 11 23:17:04.005 INFO [stderr] --> src/lib.rs:2283:17 Dec 11 23:17:04.005 INFO [stderr] | Dec 11 23:17:04.005 INFO [stderr] 2283 | let c = WeightedArc::downgrade(&a); Dec 11 23:17:04.005 INFO [stderr] | ^ help: consider using `_c` instead Dec 11 23:17:04.005 INFO [stderr] Dec 11 23:17:04.005 INFO [stderr] warning: unused variable: `b` Dec 11 23:17:04.005 INFO [stderr] --> src/lib.rs:2303:21 Dec 11 23:17:04.005 INFO [stderr] | Dec 11 23:17:04.005 INFO [stderr] 2303 | let mut b = a.clone(); Dec 11 23:17:04.005 INFO [stderr] | ^ help: consider using `_b` instead Dec 11 23:17:04.005 INFO [stderr] Dec 11 23:17:04.005 INFO [stderr] warning: unused variable: `a` Dec 11 23:17:04.005 INFO [stderr] --> src/lib.rs:2319:17 Dec 11 23:17:04.005 INFO [stderr] | Dec 11 23:17:04.005 INFO [stderr] 2319 | let a = AtomicOptionWeightedArc::new(Some(WeightedArc::new(nest.hatch(99)))); Dec 11 23:17:04.005 INFO [stderr] | ^ help: consider using `_a` instead Dec 11 23:17:04.005 INFO [stderr] Dec 11 23:17:04.169 INFO [stderr] warning: variable does not need to be mutable Dec 11 23:17:04.169 INFO [stderr] --> src/lib.rs:2303:17 Dec 11 23:17:04.169 INFO [stderr] | Dec 11 23:17:04.169 INFO [stderr] 2303 | let mut b = a.clone(); Dec 11 23:17:04.169 INFO [stderr] | ----^ Dec 11 23:17:04.169 INFO [stderr] | | Dec 11 23:17:04.169 INFO [stderr] | help: remove this `mut` Dec 11 23:17:04.169 INFO [stderr] | Dec 11 23:17:04.169 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 11 23:17:04.169 INFO [stderr] Dec 11 23:17:04.169 INFO [stderr] warning: method is never used: `set` Dec 11 23:17:04.169 INFO [stderr] --> src/lib.rs:167:5 Dec 11 23:17:04.169 INFO [stderr] | Dec 11 23:17:04.169 INFO [stderr] 167 | fn set(&mut self, count: usize, pointer: *mut T) { Dec 11 23:17:04.169 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 23:17:04.169 INFO [stderr] | Dec 11 23:17:04.169 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 11 23:17:04.169 INFO [stderr] Dec 11 23:17:04.169 INFO [stderr] warning: method is never used: `set_ptr` Dec 11 23:17:04.169 INFO [stderr] --> src/lib.rs:176:5 Dec 11 23:17:04.169 INFO [stderr] | Dec 11 23:17:04.169 INFO [stderr] 176 | fn set_ptr(&mut self, pointer: *mut T) { Dec 11 23:17:04.169 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 23:17:04.169 INFO [stderr] Dec 11 23:17:04.169 INFO [stderr] warning: method is never used: `as_ref` Dec 11 23:17:04.169 INFO [stderr] --> src/lib.rs:191:5 Dec 11 23:17:04.169 INFO [stderr] | Dec 11 23:17:04.169 INFO [stderr] 191 | unsafe fn as_ref(&self) -> &T { Dec 11 23:17:04.169 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 23:17:04.169 INFO [stderr] Dec 11 23:17:04.169 INFO [stderr] warning: method is never used: `as_mut` Dec 11 23:17:04.169 INFO [stderr] --> src/lib.rs:195:5 Dec 11 23:17:04.169 INFO [stderr] | Dec 11 23:17:04.169 INFO [stderr] 195 | unsafe fn as_mut(&mut self) -> &mut T { Dec 11 23:17:04.169 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 23:17:04.169 INFO [stderr] Dec 11 23:17:04.169 INFO [stderr] warning: method is never used: `get_ptr` Dec 11 23:17:04.169 INFO [stderr] --> src/lib.rs:282:5 Dec 11 23:17:04.169 INFO [stderr] | Dec 11 23:17:04.169 INFO [stderr] 282 | fn get_ptr(&self) -> *mut T { Dec 11 23:17:04.169 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 23:17:04.169 INFO [stderr] Dec 11 23:17:04.169 INFO [stderr] warning: method is never used: `set_ptr` Dec 11 23:17:04.169 INFO [stderr] --> src/lib.rs:287:5 Dec 11 23:17:04.169 INFO [stderr] | Dec 11 23:17:04.169 INFO [stderr] 287 | fn set_ptr(&mut self, pointer: NonNull) { Dec 11 23:17:04.169 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 23:17:04.169 INFO [stderr] Dec 11 23:17:04.169 INFO [stderr] warning: method is never used: `into_inner` Dec 11 23:17:04.169 INFO [stderr] --> src/lib.rs:349:5 Dec 11 23:17:04.169 INFO [stderr] | Dec 11 23:17:04.169 INFO [stderr] 349 | fn into_inner(self) -> CountedPtr { Dec 11 23:17:04.169 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 23:17:04.169 INFO [stderr] Dec 11 23:17:04.169 INFO [stderr] warning: method is never used: `store` Dec 11 23:17:04.169 INFO [stderr] --> src/lib.rs:362:5 Dec 11 23:17:04.169 INFO [stderr] | Dec 11 23:17:04.169 INFO [stderr] 362 | fn store(&self, p: CountedPtr, order: Ordering) { Dec 11 23:17:04.169 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 23:17:04.169 INFO [stderr] Dec 11 23:17:04.169 INFO [stderr] warning: method is never used: `compare_and_swap` Dec 11 23:17:04.169 INFO [stderr] --> src/lib.rs:370:5 Dec 11 23:17:04.169 INFO [stderr] | Dec 11 23:17:04.169 INFO [stderr] 370 | / fn compare_and_swap( Dec 11 23:17:04.169 INFO [stderr] 371 | | &self, Dec 11 23:17:04.169 INFO [stderr] 372 | | current: CountedPtr, Dec 11 23:17:04.169 INFO [stderr] 373 | | new: CountedPtr, Dec 11 23:17:04.169 INFO [stderr] ... | Dec 11 23:17:04.169 INFO [stderr] 382 | | ) Dec 11 23:17:04.169 INFO [stderr] 383 | | } Dec 11 23:17:04.169 INFO [stderr] | |_____^ Dec 11 23:17:04.169 INFO [stderr] Dec 11 23:17:04.169 INFO [stderr] warning: method is never used: `compare_exchange` Dec 11 23:17:04.169 INFO [stderr] --> src/lib.rs:385:5 Dec 11 23:17:04.169 INFO [stderr] | Dec 11 23:17:04.169 INFO [stderr] 385 | / fn compare_exchange( Dec 11 23:17:04.169 INFO [stderr] 386 | | &self, Dec 11 23:17:04.169 INFO [stderr] 387 | | current: CountedPtr, Dec 11 23:17:04.169 INFO [stderr] 388 | | new: CountedPtr, Dec 11 23:17:04.169 INFO [stderr] ... | Dec 11 23:17:04.169 INFO [stderr] 400 | | } Dec 11 23:17:04.169 INFO [stderr] 401 | | } Dec 11 23:17:04.169 INFO [stderr] | |_____^ Dec 11 23:17:04.169 INFO [stderr] Dec 11 23:17:04.169 INFO [stderr] warning: method is never used: `check` Dec 11 23:17:04.169 INFO [stderr] --> src/lib.rs:2175:9 Dec 11 23:17:04.169 INFO [stderr] | Dec 11 23:17:04.169 INFO [stderr] 2175 | fn check(&self) { Dec 11 23:17:04.169 INFO [stderr] | ^^^^^^^^^^^^^^^ Dec 11 23:17:04.169 INFO [stderr] Dec 11 23:17:04.170 INFO [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable Dec 11 23:17:04.170 INFO [stderr] --> src/lib.rs:83:12 Dec 11 23:17:04.170 INFO [stderr] | Dec 11 23:17:04.170 INFO [stderr] 83 | #![feature(extern_prelude)] Dec 11 23:17:04.170 INFO [stderr] | ^^^^^^^^^^^^^^ Dec 11 23:17:04.170 INFO [stderr] | Dec 11 23:17:04.170 INFO [stderr] = note: #[warn(stable_features)] on by default Dec 11 23:17:04.170 INFO [stderr] Dec 11 23:17:04.300 INFO [stderr] warning: unreachable statement Dec 11 23:17:04.300 INFO [stderr] --> src/main.rs:203:5 Dec 11 23:17:04.300 INFO [stderr] | Dec 11 23:17:04.300 INFO [stderr] 203 | / { Dec 11 23:17:04.300 INFO [stderr] 204 | | // Stress-test swaps Dec 11 23:17:04.301 INFO [stderr] 205 | | Dec 11 23:17:04.301 INFO [stderr] 206 | | let a = 100; Dec 11 23:17:04.301 INFO [stderr] ... | Dec 11 23:17:04.301 INFO [stderr] 243 | | Dec 11 23:17:04.302 INFO [stderr] 244 | | } Dec 11 23:17:04.302 INFO [stderr] | |_____^ Dec 11 23:17:04.302 INFO [stderr] | Dec 11 23:17:04.302 INFO [stderr] = note: #[warn(unreachable_code)] on by default Dec 11 23:17:04.302 INFO [stderr] Dec 11 23:17:04.370 INFO [stderr] warning: method is never used: `into_inner` Dec 11 23:17:04.371 INFO [stderr] --> src/main.rs:35:5 Dec 11 23:17:04.371 INFO [stderr] | Dec 11 23:17:04.371 INFO [stderr] 35 | fn into_inner(self) -> T { Dec 11 23:17:04.371 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 23:17:04.371 INFO [stderr] | Dec 11 23:17:04.371 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 11 23:17:04.371 INFO [stderr] Dec 11 23:17:04.554 INFO [stderr] warning: unreachable statement Dec 11 23:17:04.554 INFO [stderr] --> src/main.rs:203:5 Dec 11 23:17:04.554 INFO [stderr] | Dec 11 23:17:04.554 INFO [stderr] 203 | / { Dec 11 23:17:04.554 INFO [stderr] 204 | | // Stress-test swaps Dec 11 23:17:04.554 INFO [stderr] 205 | | Dec 11 23:17:04.554 INFO [stderr] 206 | | let a = 100; Dec 11 23:17:04.554 INFO [stderr] ... | Dec 11 23:17:04.554 INFO [stderr] 243 | | Dec 11 23:17:04.554 INFO [stderr] 244 | | } Dec 11 23:17:04.554 INFO [stderr] | |_____^ Dec 11 23:17:04.554 INFO [stderr] | Dec 11 23:17:04.554 INFO [stderr] = note: #[warn(unreachable_code)] on by default Dec 11 23:17:04.554 INFO [stderr] Dec 11 23:17:04.615 INFO [stderr] warning: method is never used: `into_inner` Dec 11 23:17:04.615 INFO [stderr] --> src/main.rs:35:5 Dec 11 23:17:04.615 INFO [stderr] | Dec 11 23:17:04.615 INFO [stderr] 35 | fn into_inner(self) -> T { Dec 11 23:17:04.615 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 23:17:04.615 INFO [stderr] | Dec 11 23:17:04.615 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 11 23:17:04.615 INFO [stderr] Dec 11 23:17:04.639 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.85s Dec 11 23:17:04.658 INFO [stderr] su: No module specific data is present Dec 11 23:17:05.277 INFO running `"docker" "inspect" "01367d40b286c5a758a835770b34e2ba1a9248b6aa319a2d6f7bf2a4e44ba7a1"` Dec 11 23:17:05.483 INFO running `"docker" "rm" "-f" "01367d40b286c5a758a835770b34e2ba1a9248b6aa319a2d6f7bf2a4e44ba7a1"` Dec 11 23:17:05.772 INFO [stdout] 01367d40b286c5a758a835770b34e2ba1a9248b6aa319a2d6f7bf2a4e44ba7a1