Dec 06 18:50:53.297 INFO testing u-0.2.0 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 18:50:53.297 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 18:50:53.660 INFO [stdout] 037bc4cd322f67be405c3f8cf1d89a426ab8c0bb5e29722d35a9b88002665d83
Dec 06 18:50:53.666 INFO running `"docker" "start" "-a" "037bc4cd322f67be405c3f8cf1d89a426ab8c0bb5e29722d35a9b88002665d83"`
Dec 06 18:50:54.212 INFO [stderr] usermod: no changes
Dec 06 18:50:54.282 INFO [stderr]    Compiling u v0.2.0 (/source)
Dec 06 18:50:54.744 INFO [stderr] warning: unused `#[macro_use]` import
Dec 06 18:50:54.745 INFO [stderr]  --> src/lib.rs:1:1
Dec 06 18:50:54.745 INFO [stderr]   |
Dec 06 18:50:54.745 INFO [stderr] 1 | #[macro_use]
Dec 06 18:50:54.745 INFO [stderr]   | ^^^^^^^^^^^^
Dec 06 18:50:54.745 INFO [stderr]   |
Dec 06 18:50:54.745 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 18:50:54.745 INFO [stderr] 
Dec 06 18:50:54.773 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
Dec 06 18:50:54.778 INFO [stderr] su: No module specific data is present
Dec 06 18:50:55.170 INFO running `"docker" "inspect" "037bc4cd322f67be405c3f8cf1d89a426ab8c0bb5e29722d35a9b88002665d83"`
Dec 06 18:50:55.257 INFO running `"docker" "rm" "-f" "037bc4cd322f67be405c3f8cf1d89a426ab8c0bb5e29722d35a9b88002665d83"`
Dec 06 18:50:55.360 INFO [stdout] 037bc4cd322f67be405c3f8cf1d89a426ab8c0bb5e29722d35a9b88002665d83
Dec 06 18:50:55.366 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 18:50:55.608 INFO [stdout] e3e080bf9c35f91fba1fabbe105433abb229e33cda76c6c57e94b9174c200af1
Dec 06 18:50:55.610 INFO running `"docker" "start" "-a" "e3e080bf9c35f91fba1fabbe105433abb229e33cda76c6c57e94b9174c200af1"`
Dec 06 18:50:56.105 INFO [stderr] usermod: no changes
Dec 06 18:50:56.203 INFO [stderr]    Compiling u v0.2.0 (/source)
Dec 06 18:50:56.792 INFO [stderr] warning: unused imports: `ThreadId`, `current`
Dec 06 18:50:56.792 INFO [stderr]  --> src/thread/mod.rs:2:31
Dec 06 18:50:56.792 INFO [stderr]   |
Dec 06 18:50:56.792 INFO [stderr] 2 | use std::thread::{JoinHandle, ThreadId, current};
Dec 06 18:50:56.792 INFO [stderr]   |                               ^^^^^^^^  ^^^^^^^
Dec 06 18:50:56.792 INFO [stderr]   |
Dec 06 18:50:56.792 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 18:50:56.792 INFO [stderr] 
Dec 06 18:50:56.792 INFO [stderr] warning: unused imports: `LockResult as StdLockResult`, `TryLockResult as StdTryLockResult`
Dec 06 18:50:56.792 INFO [stderr]  --> src/sync/mod.rs:2:17
Dec 06 18:50:56.792 INFO [stderr]   |
Dec 06 18:50:56.792 INFO [stderr] 2 | use std::sync::{LockResult as StdLockResult, Mutex as StdMutex,
Dec 06 18:50:56.792 INFO [stderr]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 18:50:56.792 INFO [stderr] ...
Dec 06 18:50:56.792 INFO [stderr] 6 |                 TryLockResult as StdTryLockResult};
Dec 06 18:50:56.792 INFO [stderr]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 18:50:56.792 INFO [stderr] 
Dec 06 18:50:56.792 INFO [stderr] warning: unused import: `std::sync::atomic::AtomicUsize as RAtomicUsize`
Dec 06 18:50:56.792 INFO [stderr]  --> src/sync/mod.rs:7:5
Dec 06 18:50:56.792 INFO [stderr]   |
Dec 06 18:50:56.792 INFO [stderr] 7 | use std::sync::atomic::AtomicUsize as RAtomicUsize;
Dec 06 18:50:56.792 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 18:50:56.792 INFO [stderr] 
Dec 06 18:50:56.792 INFO [stderr] warning: unused imports: `Rng`, `XorShiftRng`
Dec 06 18:50:56.792 INFO [stderr]  --> src/sched.rs:7:27
Dec 06 18:50:56.792 INFO [stderr]   |
Dec 06 18:50:56.792 INFO [stderr] 7 | use ayn_rand_is_garbage::{Rng, XorShiftRng};
Dec 06 18:50:56.792 INFO [stderr]   |                           ^^^  ^^^^^^^^^^^
Dec 06 18:50:56.792 INFO [stderr] 
Dec 06 18:50:56.858 INFO [stderr] warning: unused variable: `dur`
Dec 06 18:50:56.858 INFO [stderr]   --> src/sched.rs:55:32
Dec 06 18:50:56.858 INFO [stderr]    |
Dec 06 18:50:56.858 INFO [stderr] 55 |     pub(crate) fn sleep(&self, dur: Duration) {}
Dec 06 18:50:56.858 INFO [stderr]    |                                ^^^ help: consider using `_dur` instead
Dec 06 18:50:56.858 INFO [stderr]    |
Dec 06 18:50:56.858 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 18:50:56.858 INFO [stderr] 
Dec 06 18:50:56.872 INFO [stderr] warning: method is never used: `new`
Dec 06 18:50:56.872 INFO [stderr]   --> src/sched.rs:22:5
Dec 06 18:50:56.872 INFO [stderr]    |
Dec 06 18:50:56.872 INFO [stderr] 22 |     fn new() -> Process {
Dec 06 18:50:56.872 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 06 18:50:56.872 INFO [stderr]    |
Dec 06 18:50:56.872 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 18:50:56.872 INFO [stderr] 
Dec 06 18:50:56.872 INFO [stderr] warning: field is never used: `tid_to_group`
Dec 06 18:50:56.872 INFO [stderr]   --> src/sched.rs:28:5
Dec 06 18:50:56.872 INFO [stderr]    |
Dec 06 18:50:56.872 INFO [stderr] 28 |     tid_to_group: Mutex<HashMap<ThreadId, Arc<Process>>>,
Dec 06 18:50:56.872 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 18:50:56.872 INFO [stderr] 
Dec 06 18:50:56.872 INFO [stderr] warning: method is never used: `run`
Dec 06 18:50:56.872 INFO [stderr]   --> src/sched.rs:32:5
Dec 06 18:50:56.873 INFO [stderr]    |
Dec 06 18:50:56.873 INFO [stderr] 32 | /     pub fn run<F, T>(&self, f: F) -> T
Dec 06 18:50:56.873 INFO [stderr] 33 | |         where F: FnOnce() -> T,
Dec 06 18:50:56.873 INFO [stderr] 34 | |               F: panic::UnwindSafe,
Dec 06 18:50:56.873 INFO [stderr] 35 | |               F: Send + 'static,
Dec 06 18:50:56.873 INFO [stderr] ...  |
Dec 06 18:50:56.873 INFO [stderr] 46 | |         f()
Dec 06 18:50:56.873 INFO [stderr] 47 | |     }
Dec 06 18:50:56.873 INFO [stderr]    | |_____^
Dec 06 18:50:56.873 INFO [stderr] 
Dec 06 18:50:56.873 INFO [stderr] warning: function is never used: `tid`
Dec 06 18:50:56.873 INFO [stderr]   --> src/sched.rs:92:1
Dec 06 18:50:56.873 INFO [stderr]    |
Dec 06 18:50:56.873 INFO [stderr] 92 | fn tid() -> ThreadId {
Dec 06 18:50:56.873 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^
Dec 06 18:50:56.873 INFO [stderr] 
Dec 06 18:50:57.247 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
Dec 06 18:50:57.247 INFO [stderr] su: No module specific data is present
Dec 06 18:50:57.573 INFO running `"docker" "inspect" "e3e080bf9c35f91fba1fabbe105433abb229e33cda76c6c57e94b9174c200af1"`
Dec 06 18:50:57.697 INFO running `"docker" "rm" "-f" "e3e080bf9c35f91fba1fabbe105433abb229e33cda76c6c57e94b9174c200af1"`
Dec 06 18:50:57.816 INFO [stdout] e3e080bf9c35f91fba1fabbe105433abb229e33cda76c6c57e94b9174c200af1
Dec 06 18:50:57.818 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 18:50:57.974 INFO [stdout] e30d8d005e9cae47675f3f88f95fc0b3019c2aabe21e7dc848ab3666ce363f73
Dec 06 18:50:57.976 INFO running `"docker" "start" "-a" "e30d8d005e9cae47675f3f88f95fc0b3019c2aabe21e7dc848ab3666ce363f73"`
Dec 06 18:50:58.476 INFO [stderr] usermod: no changes
Dec 06 18:50:58.552 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Dec 06 18:50:58.568 INFO [stderr]      Running /target/debug/deps/u-266ddbade0e49fe7
Dec 06 18:50:58.568 INFO [stdout] 
Dec 06 18:50:58.568 INFO [stderr]    Doc-tests u
Dec 06 18:50:58.568 INFO [stdout] running 0 tests
Dec 06 18:50:58.568 INFO [stdout] 
Dec 06 18:50:58.568 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 18:50:58.568 INFO [stdout] 
Dec 06 18:50:59.386 INFO [stdout] 
Dec 06 18:50:59.386 INFO [stdout] running 0 tests
Dec 06 18:50:59.386 INFO [stdout] 
Dec 06 18:50:59.386 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 18:50:59.386 INFO [stdout] 
Dec 06 18:50:59.393 INFO [stderr] su: No module specific data is present
Dec 06 18:50:59.926 INFO running `"docker" "inspect" "e30d8d005e9cae47675f3f88f95fc0b3019c2aabe21e7dc848ab3666ce363f73"`
Dec 06 18:51:00.037 INFO running `"docker" "rm" "-f" "e30d8d005e9cae47675f3f88f95fc0b3019c2aabe21e7dc848ab3666ce363f73"`
Dec 06 18:51:00.142 INFO [stdout] e30d8d005e9cae47675f3f88f95fc0b3019c2aabe21e7dc848ab3666ce363f73