Sep 21 04:34:55.429 INFO checking rio-0.2.0 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 04:34:55.429 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 04:34:55.430 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-7/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 04:34:55.631 INFO blam! 5f742814ed1f02054313cc16236af382ac415f66ea7e6d7a069dc7b4661509a8
Sep 21 04:34:55.632 INFO running `"docker" "start" "-a" "5f742814ed1f02054313cc16236af382ac415f66ea7e6d7a069dc7b4661509a8"`
Sep 21 04:34:56.453 INFO kablam! usermod: no changes
Sep 21 04:34:56.507 INFO kablam!     Checking rio v0.2.0 (/source)
Sep 21 04:34:56.692 INFO kablam! warning: unused `#[macro_use]` import
Sep 21 04:34:56.692 INFO kablam!  --> src/lib.rs:1:1
Sep 21 04:34:56.692 INFO kablam!   |
Sep 21 04:34:56.692 INFO kablam! 1 | #[macro_use]
Sep 21 04:34:56.692 INFO kablam!   | ^^^^^^^^^^^^
Sep 21 04:34:56.692 INFO kablam!   |
Sep 21 04:34:56.692 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 21 04:34:56.692 INFO kablam! 
Sep 21 04:34:56.710 INFO kablam! warning: unused imports: `ThreadId`, `current`
Sep 21 04:34:56.710 INFO kablam!  --> src/thread/mod.rs:2:31
Sep 21 04:34:56.710 INFO kablam!   |
Sep 21 04:34:56.710 INFO kablam! 2 | use std::thread::{JoinHandle, ThreadId, current};
Sep 21 04:34:56.710 INFO kablam!   |                               ^^^^^^^^  ^^^^^^^
Sep 21 04:34:56.710 INFO kablam!   |
Sep 21 04:34:56.710 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 21 04:34:56.710 INFO kablam! 
Sep 21 04:34:56.710 INFO kablam! warning: unused imports: `LockResult as StdLockResult`, `TryLockResult as StdTryLockResult`
Sep 21 04:34:56.710 INFO kablam!  --> src/sync/mod.rs:2:17
Sep 21 04:34:56.710 INFO kablam!   |
Sep 21 04:34:56.710 INFO kablam! 2 | use std::sync::{LockResult as StdLockResult, Mutex as StdMutex,
Sep 21 04:34:56.710 INFO kablam!   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 04:34:56.710 INFO kablam! ...
Sep 21 04:34:56.710 INFO kablam! 6 |                 TryLockResult as StdTryLockResult};
Sep 21 04:34:56.710 INFO kablam!   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 04:34:56.710 INFO kablam! 
Sep 21 04:34:56.710 INFO kablam! warning: unused import: `std::sync::atomic::AtomicUsize as RAtomicUsize`
Sep 21 04:34:56.710 INFO kablam!  --> src/sync/mod.rs:7:5
Sep 21 04:34:56.710 INFO kablam!   |
Sep 21 04:34:56.710 INFO kablam! 7 | use std::sync::atomic::AtomicUsize as RAtomicUsize;
Sep 21 04:34:56.710 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 04:34:56.710 INFO kablam! 
Sep 21 04:34:56.711 INFO kablam! warning: unused imports: `Rng`, `XorShiftRng`
Sep 21 04:34:56.711 INFO kablam!  --> src/sched.rs:7:27
Sep 21 04:34:56.711 INFO kablam!   |
Sep 21 04:34:56.711 INFO kablam! 7 | use ayn_rand_is_garbage::{Rng, XorShiftRng};
Sep 21 04:34:56.711 INFO kablam!   |                           ^^^  ^^^^^^^^^^^
Sep 21 04:34:56.711 INFO kablam! 
Sep 21 04:34:56.760 INFO kablam! warning: unused variable: `dur`
Sep 21 04:34:56.760 INFO kablam!   --> src/sched.rs:55:32
Sep 21 04:34:56.760 INFO kablam!    |
Sep 21 04:34:56.760 INFO kablam! 55 |     pub(crate) fn sleep(&self, dur: Duration) {}
Sep 21 04:34:56.760 INFO kablam!    |                                ^^^ help: consider using `_dur` instead
Sep 21 04:34:56.760 INFO kablam!    |
Sep 21 04:34:56.760 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 21 04:34:56.760 INFO kablam! 
Sep 21 04:34:56.774 INFO kablam! warning: method is never used: `new`
Sep 21 04:34:56.774 INFO kablam!   --> src/sched.rs:22:5
Sep 21 04:34:56.774 INFO kablam!    |
Sep 21 04:34:56.774 INFO kablam! 22 |     fn new() -> Process {
Sep 21 04:34:56.774 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Sep 21 04:34:56.774 INFO kablam!    |
Sep 21 04:34:56.774 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 21 04:34:56.774 INFO kablam! 
Sep 21 04:34:56.774 INFO kablam! warning: field is never used: `tid_to_group`
Sep 21 04:34:56.774 INFO kablam!   --> src/sched.rs:28:5
Sep 21 04:34:56.774 INFO kablam!    |
Sep 21 04:34:56.774 INFO kablam! 28 |     tid_to_group: Mutex<HashMap<ThreadId, Arc<Process>>>,
Sep 21 04:34:56.774 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 04:34:56.774 INFO kablam! 
Sep 21 04:34:56.774 INFO kablam! warning: method is never used: `run`
Sep 21 04:34:56.774 INFO kablam!   --> src/sched.rs:32:5
Sep 21 04:34:56.774 INFO kablam!    |
Sep 21 04:34:56.774 INFO kablam! 32 | /     pub fn run<F, T>(&self, f: F) -> T
Sep 21 04:34:56.774 INFO kablam! 33 | |         where F: FnOnce() -> T,
Sep 21 04:34:56.774 INFO kablam! 34 | |               F: panic::UnwindSafe,
Sep 21 04:34:56.774 INFO kablam! 35 | |               F: Send + 'static,
Sep 21 04:34:56.774 INFO kablam! ...  |
Sep 21 04:34:56.774 INFO kablam! 46 | |         f()
Sep 21 04:34:56.774 INFO kablam! 47 | |     }
Sep 21 04:34:56.774 INFO kablam!    | |_____^
Sep 21 04:34:56.774 INFO kablam! 
Sep 21 04:34:56.774 INFO kablam! warning: function is never used: `tid`
Sep 21 04:34:56.774 INFO kablam!   --> src/sched.rs:92:1
Sep 21 04:34:56.774 INFO kablam!    |
Sep 21 04:34:56.774 INFO kablam! 92 | fn tid() -> ThreadId {
Sep 21 04:34:56.774 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^
Sep 21 04:34:56.774 INFO kablam! 
Sep 21 04:34:56.800 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
Sep 21 04:34:56.804 INFO kablam! su: No module specific data is present
Sep 21 04:34:57.614 INFO running `"docker" "rm" "-f" "5f742814ed1f02054313cc16236af382ac415f66ea7e6d7a069dc7b4661509a8"`
Sep 21 04:34:57.706 INFO blam! 5f742814ed1f02054313cc16236af382ac415f66ea7e6d7a069dc7b4661509a8