Dec 14 04:05:21.989 INFO testing acsearle/barc against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 04:05:21.989 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 14 04:05:22.219 INFO [stdout] 4f7130fb1531bdcb8926e374188aeb6c6ecb7d771729d9ffc138d1f2389deed2
Dec 14 04:05:22.221 INFO running `"docker" "start" "-a" "4f7130fb1531bdcb8926e374188aeb6c6ecb7d771729d9ffc138d1f2389deed2"`
Dec 14 04:05:22.841 INFO [stderr] usermod: no changes
Dec 14 04:05:22.904 INFO [stderr]    Compiling barc v0.1.0 (/source)
Dec 14 04:05:23.499 INFO [stderr] warning: method is never used: `set`
Dec 14 04:05:23.500 INFO [stderr]    --> src/lib.rs:167:5
Dec 14 04:05:23.500 INFO [stderr]     |
Dec 14 04:05:23.500 INFO [stderr] 167 |     fn set(&mut self, count: usize, pointer: *mut T) {
Dec 14 04:05:23.500 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:05:23.500 INFO [stderr]     |
Dec 14 04:05:23.500 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 14 04:05:23.500 INFO [stderr] 
Dec 14 04:05:23.500 INFO [stderr] warning: method is never used: `set_ptr`
Dec 14 04:05:23.500 INFO [stderr]    --> src/lib.rs:176:5
Dec 14 04:05:23.500 INFO [stderr]     |
Dec 14 04:05:23.500 INFO [stderr] 176 |     fn set_ptr(&mut self, pointer: *mut T) {
Dec 14 04:05:23.500 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:05:23.500 INFO [stderr] 
Dec 14 04:05:23.500 INFO [stderr] warning: method is never used: `as_ref`
Dec 14 04:05:23.500 INFO [stderr]    --> src/lib.rs:191:5
Dec 14 04:05:23.500 INFO [stderr]     |
Dec 14 04:05:23.500 INFO [stderr] 191 |     unsafe fn as_ref(&self) -> &T {
Dec 14 04:05:23.500 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:05:23.500 INFO [stderr] 
Dec 14 04:05:23.500 INFO [stderr] warning: method is never used: `as_mut`
Dec 14 04:05:23.500 INFO [stderr]    --> src/lib.rs:195:5
Dec 14 04:05:23.500 INFO [stderr]     |
Dec 14 04:05:23.500 INFO [stderr] 195 |     unsafe fn as_mut(&mut self) -> &mut T {
Dec 14 04:05:23.500 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:05:23.500 INFO [stderr] 
Dec 14 04:05:23.500 INFO [stderr] warning: method is never used: `get_ptr`
Dec 14 04:05:23.500 INFO [stderr]    --> src/lib.rs:282:5
Dec 14 04:05:23.500 INFO [stderr]     |
Dec 14 04:05:23.500 INFO [stderr] 282 |     fn get_ptr(&self) -> *mut T {
Dec 14 04:05:23.500 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:05:23.500 INFO [stderr] 
Dec 14 04:05:23.501 INFO [stderr] warning: method is never used: `set_ptr`
Dec 14 04:05:23.501 INFO [stderr]    --> src/lib.rs:287:5
Dec 14 04:05:23.501 INFO [stderr]     |
Dec 14 04:05:23.501 INFO [stderr] 287 |     fn set_ptr(&mut self, pointer: NonNull<T>) {
Dec 14 04:05:23.501 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:05:23.501 INFO [stderr] 
Dec 14 04:05:23.501 INFO [stderr] warning: method is never used: `into_inner`
Dec 14 04:05:23.501 INFO [stderr]    --> src/lib.rs:349:5
Dec 14 04:05:23.501 INFO [stderr]     |
Dec 14 04:05:23.501 INFO [stderr] 349 |     fn into_inner(self) -> CountedPtr<T> {
Dec 14 04:05:23.501 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:05:23.501 INFO [stderr] 
Dec 14 04:05:23.501 INFO [stderr] warning: method is never used: `store`
Dec 14 04:05:23.501 INFO [stderr]    --> src/lib.rs:362:5
Dec 14 04:05:23.501 INFO [stderr]     |
Dec 14 04:05:23.501 INFO [stderr] 362 |     fn store(&self, p: CountedPtr<T>, order: Ordering) {
Dec 14 04:05:23.501 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:05:23.501 INFO [stderr] 
Dec 14 04:05:23.501 INFO [stderr] warning: method is never used: `compare_and_swap`
Dec 14 04:05:23.501 INFO [stderr]    --> src/lib.rs:370:5
Dec 14 04:05:23.501 INFO [stderr]     |
Dec 14 04:05:23.501 INFO [stderr] 370 | /     fn compare_and_swap(
Dec 14 04:05:23.501 INFO [stderr] 371 | |         &self,
Dec 14 04:05:23.501 INFO [stderr] 372 | |         current: CountedPtr<T>,
Dec 14 04:05:23.501 INFO [stderr] 373 | |         new: CountedPtr<T>,
Dec 14 04:05:23.501 INFO [stderr] ...   |
Dec 14 04:05:23.501 INFO [stderr] 382 | |         )
Dec 14 04:05:23.501 INFO [stderr] 383 | |     }
Dec 14 04:05:23.501 INFO [stderr]     | |_____^
Dec 14 04:05:23.501 INFO [stderr] 
Dec 14 04:05:23.501 INFO [stderr] warning: method is never used: `compare_exchange`
Dec 14 04:05:23.501 INFO [stderr]    --> src/lib.rs:385:5
Dec 14 04:05:23.501 INFO [stderr]     |
Dec 14 04:05:23.501 INFO [stderr] 385 | /     fn compare_exchange(
Dec 14 04:05:23.501 INFO [stderr] 386 | |         &self,
Dec 14 04:05:23.501 INFO [stderr] 387 | |         current: CountedPtr<T>,
Dec 14 04:05:23.501 INFO [stderr] 388 | |         new: CountedPtr<T>,
Dec 14 04:05:23.501 INFO [stderr] ...   |
Dec 14 04:05:23.501 INFO [stderr] 400 | |         }
Dec 14 04:05:23.501 INFO [stderr] 401 | |     }
Dec 14 04:05:23.501 INFO [stderr]     | |_____^
Dec 14 04:05:23.501 INFO [stderr] 
Dec 14 04:05:23.501 INFO [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 14 04:05:23.501 INFO [stderr]   --> src/lib.rs:83:12
Dec 14 04:05:23.501 INFO [stderr]    |
Dec 14 04:05:23.501 INFO [stderr] 83 | #![feature(extern_prelude)]
Dec 14 04:05:23.501 INFO [stderr]    |            ^^^^^^^^^^^^^^
Dec 14 04:05:23.501 INFO [stderr]    |
Dec 14 04:05:23.501 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 14 04:05:23.501 INFO [stderr] 
Dec 14 04:05:24.046 INFO [stderr] warning: unreachable statement
Dec 14 04:05:24.046 INFO [stderr]    --> src/main.rs:203:5
Dec 14 04:05:24.046 INFO [stderr]     |
Dec 14 04:05:24.046 INFO [stderr] 203 | /     {
Dec 14 04:05:24.046 INFO [stderr] 204 | |         // Stress-test swaps
Dec 14 04:05:24.046 INFO [stderr] 205 | |
Dec 14 04:05:24.046 INFO [stderr] 206 | |         let a = 100;
Dec 14 04:05:24.046 INFO [stderr] ...   |
Dec 14 04:05:24.046 INFO [stderr] 243 | |
Dec 14 04:05:24.046 INFO [stderr] 244 | |     }
Dec 14 04:05:24.046 INFO [stderr]     | |_____^
Dec 14 04:05:24.046 INFO [stderr]     |
Dec 14 04:05:24.046 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 14 04:05:24.046 INFO [stderr] 
Dec 14 04:05:24.119 INFO [stderr] warning: method is never used: `into_inner`
Dec 14 04:05:24.119 INFO [stderr]   --> src/main.rs:35:5
Dec 14 04:05:24.119 INFO [stderr]    |
Dec 14 04:05:24.119 INFO [stderr] 35 |     fn into_inner(self) -> T {
Dec 14 04:05:24.119 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:05:24.119 INFO [stderr]    |
Dec 14 04:05:24.119 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 04:05:24.119 INFO [stderr] 
Dec 14 04:05:24.847 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
Dec 14 04:05:24.851 INFO [stderr] su: No module specific data is present
Dec 14 04:05:25.784 INFO running `"docker" "inspect" "4f7130fb1531bdcb8926e374188aeb6c6ecb7d771729d9ffc138d1f2389deed2"`
Dec 14 04:05:26.133 INFO running `"docker" "rm" "-f" "4f7130fb1531bdcb8926e374188aeb6c6ecb7d771729d9ffc138d1f2389deed2"`
Dec 14 04:05:26.423 INFO [stdout] 4f7130fb1531bdcb8926e374188aeb6c6ecb7d771729d9ffc138d1f2389deed2
Dec 14 04:05:26.429 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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 14 04:05:26.972 INFO [stdout] 81b520c1345c16bc51a9d84d2ae41ca85a21e3e86352c3b499b7307fb4dc4980
Dec 14 04:05:26.974 INFO running `"docker" "start" "-a" "81b520c1345c16bc51a9d84d2ae41ca85a21e3e86352c3b499b7307fb4dc4980"`
Dec 14 04:05:28.695 INFO [stderr] usermod: no changes
Dec 14 04:05:28.751 INFO [stderr]    Compiling barc v0.1.0 (/source)
Dec 14 04:05:29.596 INFO [stderr] warning: unreachable statement
Dec 14 04:05:29.596 INFO [stderr]    --> src/main.rs:203:5
Dec 14 04:05:29.596 INFO [stderr]     |
Dec 14 04:05:29.596 INFO [stderr] 203 | /     {
Dec 14 04:05:29.596 INFO [stderr] 204 | |         // Stress-test swaps
Dec 14 04:05:29.596 INFO [stderr] 205 | |
Dec 14 04:05:29.596 INFO [stderr] 206 | |         let a = 100;
Dec 14 04:05:29.596 INFO [stderr] ...   |
Dec 14 04:05:29.596 INFO [stderr] 243 | |
Dec 14 04:05:29.596 INFO [stderr] 244 | |     }
Dec 14 04:05:29.596 INFO [stderr]     | |_____^
Dec 14 04:05:29.596 INFO [stderr]     |
Dec 14 04:05:29.596 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 14 04:05:29.596 INFO [stderr] 
Dec 14 04:05:29.727 INFO [stderr] warning: method is never used: `into_inner`
Dec 14 04:05:29.727 INFO [stderr]   --> src/main.rs:35:5
Dec 14 04:05:29.727 INFO [stderr]    |
Dec 14 04:05:29.727 INFO [stderr] 35 |     fn into_inner(self) -> T {
Dec 14 04:05:29.727 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:05:29.727 INFO [stderr]    |
Dec 14 04:05:29.727 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 04:05:29.727 INFO [stderr] 
Dec 14 04:05:30.247 INFO [stderr] warning: unused variable: `nest`
Dec 14 04:05:30.247 INFO [stderr]     --> src/lib.rs:2223:17
Dec 14 04:05:30.247 INFO [stderr]      |
Dec 14 04:05:30.247 INFO [stderr] 2223 |             let nest = Nest::new();
Dec 14 04:05:30.247 INFO [stderr]      |                 ^^^^ help: consider using `_nest` instead
Dec 14 04:05:30.247 INFO [stderr]      |
Dec 14 04:05:30.247 INFO [stderr]      = note: #[warn(unused_variables)] on by default
Dec 14 04:05:30.247 INFO [stderr] 
Dec 14 04:05:30.247 INFO [stderr] warning: unused variable: `b`
Dec 14 04:05:30.247 INFO [stderr]     --> src/lib.rs:2281:17
Dec 14 04:05:30.247 INFO [stderr]      |
Dec 14 04:05:30.247 INFO [stderr] 2281 |             let b = a.clone();
Dec 14 04:05:30.247 INFO [stderr]      |                 ^ help: consider using `_b` instead
Dec 14 04:05:30.247 INFO [stderr] 
Dec 14 04:05:30.247 INFO [stderr] warning: unused variable: `c`
Dec 14 04:05:30.247 INFO [stderr]     --> src/lib.rs:2283:17
Dec 14 04:05:30.247 INFO [stderr]      |
Dec 14 04:05:30.247 INFO [stderr] 2283 |             let c = WeightedArc::downgrade(&a);
Dec 14 04:05:30.247 INFO [stderr]      |                 ^ help: consider using `_c` instead
Dec 14 04:05:30.247 INFO [stderr] 
Dec 14 04:05:30.247 INFO [stderr] warning: unused variable: `b`
Dec 14 04:05:30.247 INFO [stderr]     --> src/lib.rs:2303:21
Dec 14 04:05:30.247 INFO [stderr]      |
Dec 14 04:05:30.248 INFO [stderr] 2303 |             let mut b = a.clone();
Dec 14 04:05:30.248 INFO [stderr]      |                     ^ help: consider using `_b` instead
Dec 14 04:05:30.248 INFO [stderr] 
Dec 14 04:05:30.248 INFO [stderr] warning: unused variable: `a`
Dec 14 04:05:30.248 INFO [stderr]     --> src/lib.rs:2319:17
Dec 14 04:05:30.248 INFO [stderr]      |
Dec 14 04:05:30.248 INFO [stderr] 2319 |             let a = AtomicOptionWeightedArc::new(Some(WeightedArc::new(nest.hatch(99))));
Dec 14 04:05:30.248 INFO [stderr]      |                 ^ help: consider using `_a` instead
Dec 14 04:05:30.248 INFO [stderr] 
Dec 14 04:05:30.425 INFO [stderr] warning: variable does not need to be mutable
Dec 14 04:05:30.425 INFO [stderr]     --> src/lib.rs:2303:17
Dec 14 04:05:30.425 INFO [stderr]      |
Dec 14 04:05:30.425 INFO [stderr] 2303 |             let mut b = a.clone();
Dec 14 04:05:30.425 INFO [stderr]      |                 ----^
Dec 14 04:05:30.425 INFO [stderr]      |                 |
Dec 14 04:05:30.425 INFO [stderr]      |                 help: remove this `mut`
Dec 14 04:05:30.425 INFO [stderr]      |
Dec 14 04:05:30.425 INFO [stderr]      = note: #[warn(unused_mut)] on by default
Dec 14 04:05:30.425 INFO [stderr] 
Dec 14 04:05:30.475 INFO [stderr] warning: method is never used: `set`
Dec 14 04:05:30.475 INFO [stderr]    --> src/lib.rs:167:5
Dec 14 04:05:30.475 INFO [stderr]     |
Dec 14 04:05:30.475 INFO [stderr] 167 |     fn set(&mut self, count: usize, pointer: *mut T) {
Dec 14 04:05:30.475 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:05:30.475 INFO [stderr]     |
Dec 14 04:05:30.475 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 14 04:05:30.475 INFO [stderr] 
Dec 14 04:05:30.475 INFO [stderr] warning: method is never used: `set_ptr`
Dec 14 04:05:30.475 INFO [stderr]    --> src/lib.rs:176:5
Dec 14 04:05:30.475 INFO [stderr]     |
Dec 14 04:05:30.475 INFO [stderr] 176 |     fn set_ptr(&mut self, pointer: *mut T) {
Dec 14 04:05:30.475 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:05:30.475 INFO [stderr] 
Dec 14 04:05:30.475 INFO [stderr] warning: method is never used: `as_ref`
Dec 14 04:05:30.475 INFO [stderr]    --> src/lib.rs:191:5
Dec 14 04:05:30.475 INFO [stderr]     |
Dec 14 04:05:30.475 INFO [stderr] 191 |     unsafe fn as_ref(&self) -> &T {
Dec 14 04:05:30.475 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:05:30.475 INFO [stderr] 
Dec 14 04:05:30.475 INFO [stderr] warning: method is never used: `as_mut`
Dec 14 04:05:30.475 INFO [stderr]    --> src/lib.rs:195:5
Dec 14 04:05:30.475 INFO [stderr]     |
Dec 14 04:05:30.475 INFO [stderr] 195 |     unsafe fn as_mut(&mut self) -> &mut T {
Dec 14 04:05:30.475 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:05:30.475 INFO [stderr] 
Dec 14 04:05:30.475 INFO [stderr] warning: method is never used: `get_ptr`
Dec 14 04:05:30.475 INFO [stderr]    --> src/lib.rs:282:5
Dec 14 04:05:30.475 INFO [stderr]     |
Dec 14 04:05:30.475 INFO [stderr] 282 |     fn get_ptr(&self) -> *mut T {
Dec 14 04:05:30.475 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:05:30.475 INFO [stderr] 
Dec 14 04:05:30.475 INFO [stderr] warning: method is never used: `set_ptr`
Dec 14 04:05:30.475 INFO [stderr]    --> src/lib.rs:287:5
Dec 14 04:05:30.475 INFO [stderr]     |
Dec 14 04:05:30.475 INFO [stderr] 287 |     fn set_ptr(&mut self, pointer: NonNull<T>) {
Dec 14 04:05:30.475 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:05:30.475 INFO [stderr] 
Dec 14 04:05:30.475 INFO [stderr] warning: method is never used: `into_inner`
Dec 14 04:05:30.475 INFO [stderr]    --> src/lib.rs:349:5
Dec 14 04:05:30.475 INFO [stderr]     |
Dec 14 04:05:30.475 INFO [stderr] 349 |     fn into_inner(self) -> CountedPtr<T> {
Dec 14 04:05:30.475 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:05:30.476 INFO [stderr] 
Dec 14 04:05:30.476 INFO [stderr] warning: method is never used: `store`
Dec 14 04:05:30.476 INFO [stderr]    --> src/lib.rs:362:5
Dec 14 04:05:30.476 INFO [stderr]     |
Dec 14 04:05:30.476 INFO [stderr] 362 |     fn store(&self, p: CountedPtr<T>, order: Ordering) {
Dec 14 04:05:30.476 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:05:30.476 INFO [stderr] 
Dec 14 04:05:30.476 INFO [stderr] warning: method is never used: `compare_and_swap`
Dec 14 04:05:30.476 INFO [stderr]    --> src/lib.rs:370:5
Dec 14 04:05:30.476 INFO [stderr]     |
Dec 14 04:05:30.476 INFO [stderr] 370 | /     fn compare_and_swap(
Dec 14 04:05:30.476 INFO [stderr] 371 | |         &self,
Dec 14 04:05:30.476 INFO [stderr] 372 | |         current: CountedPtr<T>,
Dec 14 04:05:30.476 INFO [stderr] 373 | |         new: CountedPtr<T>,
Dec 14 04:05:30.476 INFO [stderr] ...   |
Dec 14 04:05:30.476 INFO [stderr] 382 | |         )
Dec 14 04:05:30.476 INFO [stderr] 383 | |     }
Dec 14 04:05:30.476 INFO [stderr]     | |_____^
Dec 14 04:05:30.476 INFO [stderr] 
Dec 14 04:05:30.476 INFO [stderr] warning: method is never used: `compare_exchange`
Dec 14 04:05:30.476 INFO [stderr]    --> src/lib.rs:385:5
Dec 14 04:05:30.476 INFO [stderr]     |
Dec 14 04:05:30.476 INFO [stderr] 385 | /     fn compare_exchange(
Dec 14 04:05:30.476 INFO [stderr] 386 | |         &self,
Dec 14 04:05:30.476 INFO [stderr] 387 | |         current: CountedPtr<T>,
Dec 14 04:05:30.476 INFO [stderr] 388 | |         new: CountedPtr<T>,
Dec 14 04:05:30.476 INFO [stderr] ...   |
Dec 14 04:05:30.476 INFO [stderr] 400 | |         }
Dec 14 04:05:30.476 INFO [stderr] 401 | |     }
Dec 14 04:05:30.476 INFO [stderr]     | |_____^
Dec 14 04:05:30.476 INFO [stderr] 
Dec 14 04:05:30.479 INFO [stderr] warning: method is never used: `check`
Dec 14 04:05:30.479 INFO [stderr]     --> src/lib.rs:2175:9
Dec 14 04:05:30.479 INFO [stderr]      |
Dec 14 04:05:30.479 INFO [stderr] 2175 |         fn check(&self) {
Dec 14 04:05:30.479 INFO [stderr]      |         ^^^^^^^^^^^^^^^
Dec 14 04:05:30.479 INFO [stderr] 
Dec 14 04:05:30.479 INFO [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 14 04:05:30.479 INFO [stderr]   --> src/lib.rs:83:12
Dec 14 04:05:30.479 INFO [stderr]    |
Dec 14 04:05:30.479 INFO [stderr] 83 | #![feature(extern_prelude)]
Dec 14 04:05:30.479 INFO [stderr]    |            ^^^^^^^^^^^^^^
Dec 14 04:05:30.479 INFO [stderr]    |
Dec 14 04:05:30.479 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 14 04:05:30.479 INFO [stderr] 
Dec 14 04:05:31.411 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.70s
Dec 14 04:05:31.415 INFO [stderr] su: No module specific data is present
Dec 14 04:05:32.157 INFO running `"docker" "inspect" "81b520c1345c16bc51a9d84d2ae41ca85a21e3e86352c3b499b7307fb4dc4980"`
Dec 14 04:05:32.434 INFO running `"docker" "rm" "-f" "81b520c1345c16bc51a9d84d2ae41ca85a21e3e86352c3b499b7307fb4dc4980"`
Dec 14 04:05:32.683 INFO [stdout] 81b520c1345c16bc51a9d84d2ae41ca85a21e3e86352c3b499b7307fb4dc4980
Dec 14 04:05:32.687 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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 14 04:05:33.167 INFO [stdout] a24cf099fae65f39ac37ec2bfe394f7b96620031628f02db72566c0c2a6713f6
Dec 14 04:05:33.247 INFO running `"docker" "start" "-a" "a24cf099fae65f39ac37ec2bfe394f7b96620031628f02db72566c0c2a6713f6"`
Dec 14 04:05:34.226 INFO [stderr] usermod: no changes
Dec 14 04:05:34.275 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 14 04:05:34.279 INFO [stderr]      Running /target/debug/deps/barc-ff58f18ecf30880d
Dec 14 04:05:34.292 INFO [stderr]      Running /target/debug/deps/barc-2c99f91d6a34aa7e
Dec 14 04:05:34.292 INFO [stdout] 
Dec 14 04:05:34.292 INFO [stdout] running 2 tests
Dec 14 04:05:34.292 INFO [stdout] test tests::test_atomic ... ok
Dec 14 04:05:34.292 INFO [stdout] test tests::test_new ... ok
Dec 14 04:05:34.292 INFO [stdout] 
Dec 14 04:05:34.292 INFO [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 04:05:34.292 INFO [stdout] 
Dec 14 04:05:34.303 INFO [stderr]    Doc-tests barc
Dec 14 04:05:34.303 INFO [stdout] 
Dec 14 04:05:34.303 INFO [stdout] running 0 tests
Dec 14 04:05:34.303 INFO [stdout] 
Dec 14 04:05:34.303 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 04:05:34.303 INFO [stdout] 
Dec 14 04:05:34.963 INFO [stdout] 
Dec 14 04:05:34.963 INFO [stdout] running 36 tests
Dec 14 04:05:36.903 INFO [stdout] test src/lib.rs - AtomicOptionWeightedArc<T>::store (line 1471) ... ok
Dec 14 04:05:37.348 INFO [stdout] test src/lib.rs - AtomicOptionWeightedArc<T>::new (line 1300) ... ok
Dec 14 04:05:37.978 INFO [stdout] test src/lib.rs - AtomicOptionWeightedArc<T>::load (line 1363) ... ok
Dec 14 04:05:37.978 INFO [stdout] test src/lib.rs - AtomicOptionWeightedArc<T>::swap (line 1500) ... ok
Dec 14 04:05:38.700 INFO [stdout] test src/lib.rs - AtomicOptionWeightedArc<T>::into_inner (line 1339) ... ok
Dec 14 04:05:38.715 INFO [stdout] test src/lib.rs -  (line 17) ... ok
Dec 14 04:05:39.355 INFO [stdout] test src/lib.rs - AtomicOptionWeightedArc<T>::get_mut (line 1318) ... ok
Dec 14 04:05:39.375 INFO [stdout] test src/lib.rs - AtomicOptionWeightedArc<T>::compare_exchange (line 1535) ... ok
Dec 14 04:05:42.075 INFO [stdout] test src/lib.rs - AtomicWeightedArc<T>::compare_and_swap (line 1777) ... ok
Dec 14 04:05:42.843 INFO [stdout] test src/lib.rs - AtomicWeightedArc<T>::compare_exchange (line 1801) ... ok
Dec 14 04:05:42.843 INFO [stdout] test src/lib.rs - AtomicWeightedArc<T>::new (line 1681) ... ok
Dec 14 04:05:44.190 INFO [stdout] test src/lib.rs - AtomicWeightedArc<T>::store (line 1742) ... ok
Dec 14 04:05:44.591 INFO [stdout] test src/lib.rs - AtomicWeightedArc<T>::compare_exchange_weak (line 1828) ... ok
Dec 14 04:05:44.741 INFO [stdout] test src/lib.rs - AtomicWeightedArc<T>::load (line 1727) ... ok
Dec 14 04:05:44.743 INFO [stdout] test src/lib.rs - AtomicWeightedArc<T>::get_mut (line 1709) ... ok
Dec 14 04:05:44.878 INFO [stdout] test src/lib.rs - AtomicWeightedArc<T>::into_inner (line 1694) ... ok
Dec 14 04:05:46.741 INFO [stdout] test src/lib.rs - AtomicWeightedArc<T>::swap (line 1759) ... ok
Dec 14 04:05:47.331 INFO [stdout] test src/lib.rs - WeightedArc<T>::clone_mut (line 819) ... ok
Dec 14 04:05:47.575 INFO [stdout] test src/lib.rs - WeightedArc<T>::downgrade (line 584) ... ok
Dec 14 04:05:47.847 INFO [stdout] test src/lib.rs - WeightedArc<T>::clone (line 1006) ... ok
Dec 14 04:05:48.570 INFO [stdout] test src/lib.rs - WeightedArc<T>::make_mut (line 936) ... ok
Dec 14 04:05:48.668 INFO [stdout] test src/lib.rs - WeightedArc<T>::default (line 1031) ... ok
Dec 14 04:05:49.235 INFO [stdout] test src/lib.rs - WeightedArc<T>::get_mut_unchecked (line 797) ... ok
Dec 14 04:05:49.342 INFO [stdout] test src/lib.rs - WeightedArc<T>::into_raw (line 534) ... ok
Dec 14 04:05:51.127 INFO [stdout] test src/lib.rs - WeightedArc<T>::merge (line 894) ... ok
Dec 14 04:05:51.471 INFO [stdout] test src/lib.rs - WeightedArc<T>::new (line 463) ... ok
Dec 14 04:05:51.704 INFO [stdout] test src/lib.rs - WeightedArc<T>::split (line 860) ... ok
Dec 14 04:05:52.351 INFO [stdout] test src/lib.rs - WeightedArc<T>::strong_count (line 631) ... ok
Dec 14 04:05:52.585 INFO [stdout] test src/lib.rs - WeightedArc<T>::strong_bound (line 723) ... ok
Dec 14 04:05:52.667 INFO [stdout] test src/lib.rs - WeightedArc<T>::weak_count (line 660) ... ok
Dec 14 04:05:53.643 INFO [stdout] test src/lib.rs - WeightedArc<T>::try_unwrap (line 492) ... ok
Dec 14 04:05:53.947 INFO [stdout] test src/lib.rs - WeightedArc<T>::weak_bound (line 689) ... ok
Dec 14 04:05:55.147 INFO [stdout] test src/lib.rs - WeightedWeak<T>::new (line 1095) ... ok
Dec 14 04:05:55.172 INFO [stdout] test src/lib.rs - WeightedWeak<T>::clone (line 1211) ... ok
Dec 14 04:05:55.401 INFO [stdout] test src/lib.rs - WeightedWeak<T>::upgrade (line 1128) ... ok
Dec 14 04:05:55.448 INFO [stdout] test src/lib.rs - WeightedWeak<T>::clone_mut (line 1162) ... ok
Dec 14 04:05:55.448 INFO [stdout] 
Dec 14 04:05:55.448 INFO [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 04:05:55.448 INFO [stdout] 
Dec 14 04:05:55.477 INFO [stderr] su: No module specific data is present
Dec 14 04:05:56.099 INFO running `"docker" "inspect" "a24cf099fae65f39ac37ec2bfe394f7b96620031628f02db72566c0c2a6713f6"`
Dec 14 04:05:56.337 INFO running `"docker" "rm" "-f" "a24cf099fae65f39ac37ec2bfe394f7b96620031628f02db72566c0c2a6713f6"`
Dec 14 04:05:56.619 INFO [stdout] a24cf099fae65f39ac37ec2bfe394f7b96620031628f02db72566c0c2a6713f6