Dec 05 04:34:25.636 INFO checking w-0.2.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 04:34:25.636 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 05 04:34:25.883 INFO [stdout] 21f7dfbbac5076f1ce6cde278b5393c7433d6522e913cc1ab032392ce6e48622
Dec 05 04:34:25.885 INFO running `"docker" "start" "-a" "21f7dfbbac5076f1ce6cde278b5393c7433d6522e913cc1ab032392ce6e48622"`
Dec 05 04:34:26.655 INFO [stderr] usermod: no changes
Dec 05 04:34:26.742 INFO [stderr]     Checking w v0.2.0 (/source)
Dec 05 04:34:26.744 INFO [stderr]     Checking env_logger v0.5.13
Dec 05 04:34:27.155 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 04:34:27.155 INFO [stderr]  --> src/lib.rs:1:1
Dec 05 04:34:27.155 INFO [stderr]   |
Dec 05 04:34:27.155 INFO [stderr] 1 | #[macro_use]
Dec 05 04:34:27.155 INFO [stderr]   | ^^^^^^^^^^^^
Dec 05 04:34:27.155 INFO [stderr]   |
Dec 05 04:34:27.155 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 04:34:27.155 INFO [stderr] 
Dec 05 04:34:27.954 INFO [stderr]     Checking quickcheck v0.6.2
Dec 05 04:34:30.283 INFO [stderr] warning: unused imports: `ThreadId`, `current`
Dec 05 04:34:30.283 INFO [stderr]  --> src/thread/mod.rs:2:31
Dec 05 04:34:30.284 INFO [stderr]   |
Dec 05 04:34:30.284 INFO [stderr] 2 | use std::thread::{JoinHandle, ThreadId, current};
Dec 05 04:34:30.284 INFO [stderr]   |                               ^^^^^^^^  ^^^^^^^
Dec 05 04:34:30.285 INFO [stderr]   |
Dec 05 04:34:30.285 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 04:34:30.285 INFO [stderr] 
Dec 05 04:34:30.285 INFO [stderr] warning: unused imports: `LockResult as StdLockResult`, `TryLockResult as StdTryLockResult`
Dec 05 04:34:30.285 INFO [stderr]  --> src/sync/mod.rs:2:17
Dec 05 04:34:30.286 INFO [stderr]   |
Dec 05 04:34:30.286 INFO [stderr] 2 | use std::sync::{LockResult as StdLockResult, Mutex as StdMutex,
Dec 05 04:34:30.286 INFO [stderr]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:34:30.286 INFO [stderr] ...
Dec 05 04:34:30.287 INFO [stderr] 6 |                 TryLockResult as StdTryLockResult};
Dec 05 04:34:30.287 INFO [stderr]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:34:30.287 INFO [stderr] 
Dec 05 04:34:30.287 INFO [stderr] warning: unused import: `std::sync::atomic::AtomicUsize as RAtomicUsize`
Dec 05 04:34:30.288 INFO [stderr]  --> src/sync/mod.rs:7:5
Dec 05 04:34:30.288 INFO [stderr]   |
Dec 05 04:34:30.288 INFO [stderr] 7 | use std::sync::atomic::AtomicUsize as RAtomicUsize;
Dec 05 04:34:30.288 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:34:30.288 INFO [stderr] 
Dec 05 04:34:30.289 INFO [stderr] warning: unused imports: `Rng`, `XorShiftRng`
Dec 05 04:34:30.289 INFO [stderr]  --> src/sched.rs:7:27
Dec 05 04:34:30.289 INFO [stderr]   |
Dec 05 04:34:30.289 INFO [stderr] 7 | use ayn_rand_is_garbage::{Rng, XorShiftRng};
Dec 05 04:34:30.290 INFO [stderr]   |                           ^^^  ^^^^^^^^^^^
Dec 05 04:34:30.290 INFO [stderr] 
Dec 05 04:34:30.360 INFO [stderr] warning: unused variable: `dur`
Dec 05 04:34:30.360 INFO [stderr]   --> src/sched.rs:55:32
Dec 05 04:34:30.360 INFO [stderr]    |
Dec 05 04:34:30.360 INFO [stderr] 55 |     pub(crate) fn sleep(&self, dur: Duration) {}
Dec 05 04:34:30.360 INFO [stderr]    |                                ^^^ help: consider using `_dur` instead
Dec 05 04:34:30.360 INFO [stderr]    |
Dec 05 04:34:30.361 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 04:34:30.361 INFO [stderr] 
Dec 05 04:34:30.381 INFO [stderr] warning: method is never used: `new`
Dec 05 04:34:30.381 INFO [stderr]   --> src/sched.rs:22:5
Dec 05 04:34:30.381 INFO [stderr]    |
Dec 05 04:34:30.381 INFO [stderr] 22 |     fn new() -> Process {
Dec 05 04:34:30.381 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 05 04:34:30.381 INFO [stderr]    |
Dec 05 04:34:30.381 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 04:34:30.381 INFO [stderr] 
Dec 05 04:34:30.381 INFO [stderr] warning: field is never used: `tid_to_group`
Dec 05 04:34:30.381 INFO [stderr]   --> src/sched.rs:28:5
Dec 05 04:34:30.381 INFO [stderr]    |
Dec 05 04:34:30.381 INFO [stderr] 28 |     tid_to_group: Mutex<HashMap<ThreadId, Arc<Process>>>,
Dec 05 04:34:30.382 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:34:30.382 INFO [stderr] 
Dec 05 04:34:30.382 INFO [stderr] warning: method is never used: `run`
Dec 05 04:34:30.382 INFO [stderr]   --> src/sched.rs:32:5
Dec 05 04:34:30.382 INFO [stderr]    |
Dec 05 04:34:30.382 INFO [stderr] 32 | /     pub fn run<F, T>(&self, f: F) -> T
Dec 05 04:34:30.382 INFO [stderr] 33 | |         where F: FnOnce() -> T,
Dec 05 04:34:30.382 INFO [stderr] 34 | |               F: panic::UnwindSafe,
Dec 05 04:34:30.382 INFO [stderr] 35 | |               F: Send + 'static,
Dec 05 04:34:30.382 INFO [stderr] ...  |
Dec 05 04:34:30.382 INFO [stderr] 46 | |         f()
Dec 05 04:34:30.382 INFO [stderr] 47 | |     }
Dec 05 04:34:30.382 INFO [stderr]    | |_____^
Dec 05 04:34:30.382 INFO [stderr] 
Dec 05 04:34:30.383 INFO [stderr] warning: function is never used: `tid`
Dec 05 04:34:30.383 INFO [stderr]   --> src/sched.rs:92:1
Dec 05 04:34:30.383 INFO [stderr]    |
Dec 05 04:34:30.383 INFO [stderr] 92 | fn tid() -> ThreadId {
Dec 05 04:34:30.383 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^
Dec 05 04:34:30.383 INFO [stderr] 
Dec 05 04:34:30.419 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.74s
Dec 05 04:34:30.427 INFO [stderr] su: No module specific data is present
Dec 05 04:34:31.926 INFO running `"docker" "inspect" "21f7dfbbac5076f1ce6cde278b5393c7433d6522e913cc1ab032392ce6e48622"`
Dec 05 04:34:32.280 INFO running `"docker" "rm" "-f" "21f7dfbbac5076f1ce6cde278b5393c7433d6522e913cc1ab032392ce6e48622"`
Dec 05 04:34:32.527 INFO [stdout] 21f7dfbbac5076f1ce6cde278b5393c7433d6522e913cc1ab032392ce6e48622