Oct 13 15:27:56.823 INFO checking f-0.2.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 15:27:56.823 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 15:27:57.226 INFO blam! 5c830746a91988107386828b1258d648a1ecb2ce2da4fe2bd05e6894aaec16c8
Oct 13 15:27:57.229 INFO running `"docker" "start" "-a" "5c830746a91988107386828b1258d648a1ecb2ce2da4fe2bd05e6894aaec16c8"`
Oct 13 15:27:58.204 INFO kablam! usermod: no changes
Oct 13 15:27:58.336 INFO kablam!     Checking f v0.2.0 (/source)
Oct 13 15:27:59.200 INFO kablam! warning: unused `#[macro_use]` import
Oct 13 15:27:59.200 INFO kablam!  --> src/lib.rs:1:1
Oct 13 15:27:59.200 INFO kablam!   |
Oct 13 15:27:59.200 INFO kablam! 1 | #[macro_use]
Oct 13 15:27:59.200 INFO kablam!   | ^^^^^^^^^^^^
Oct 13 15:27:59.200 INFO kablam!   |
Oct 13 15:27:59.200 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 15:27:59.200 INFO kablam! 
Oct 13 15:27:59.312 INFO kablam! warning: unused imports: `ThreadId`, `current`
Oct 13 15:27:59.312 INFO kablam!  --> src/thread/mod.rs:2:31
Oct 13 15:27:59.312 INFO kablam!   |
Oct 13 15:27:59.312 INFO kablam! 2 | use std::thread::{JoinHandle, ThreadId, current};
Oct 13 15:27:59.312 INFO kablam!   |                               ^^^^^^^^  ^^^^^^^
Oct 13 15:27:59.312 INFO kablam!   |
Oct 13 15:27:59.312 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 15:27:59.312 INFO kablam! 
Oct 13 15:27:59.312 INFO kablam! warning: unused imports: `LockResult as StdLockResult`, `TryLockResult as StdTryLockResult`
Oct 13 15:27:59.313 INFO kablam!  --> src/sync/mod.rs:2:17
Oct 13 15:27:59.313 INFO kablam!   |
Oct 13 15:27:59.313 INFO kablam! 2 | use std::sync::{LockResult as StdLockResult, Mutex as StdMutex,
Oct 13 15:27:59.313 INFO kablam!   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 15:27:59.313 INFO kablam! ...
Oct 13 15:27:59.313 INFO kablam! 6 |                 TryLockResult as StdTryLockResult};
Oct 13 15:27:59.313 INFO kablam!   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 15:27:59.313 INFO kablam! 
Oct 13 15:27:59.313 INFO kablam! warning: unused import: `std::sync::atomic::AtomicUsize as RAtomicUsize`
Oct 13 15:27:59.313 INFO kablam!  --> src/sync/mod.rs:7:5
Oct 13 15:27:59.313 INFO kablam!   |
Oct 13 15:27:59.313 INFO kablam! 7 | use std::sync::atomic::AtomicUsize as RAtomicUsize;
Oct 13 15:27:59.313 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 15:27:59.313 INFO kablam! 
Oct 13 15:27:59.313 INFO kablam! warning: unused imports: `Rng`, `XorShiftRng`
Oct 13 15:27:59.313 INFO kablam!  --> src/sched.rs:7:27
Oct 13 15:27:59.313 INFO kablam!   |
Oct 13 15:27:59.313 INFO kablam! 7 | use ayn_rand_is_garbage::{Rng, XorShiftRng};
Oct 13 15:27:59.313 INFO kablam!   |                           ^^^  ^^^^^^^^^^^
Oct 13 15:27:59.313 INFO kablam! 
Oct 13 15:27:59.373 INFO kablam! warning: unused variable: `dur`
Oct 13 15:27:59.373 INFO kablam!   --> src/sched.rs:55:32
Oct 13 15:27:59.373 INFO kablam!    |
Oct 13 15:27:59.373 INFO kablam! 55 |     pub(crate) fn sleep(&self, dur: Duration) {}
Oct 13 15:27:59.373 INFO kablam!    |                                ^^^ help: consider using `_dur` instead
Oct 13 15:27:59.373 INFO kablam!    |
Oct 13 15:27:59.373 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 15:27:59.373 INFO kablam! 
Oct 13 15:27:59.392 INFO kablam! warning: method is never used: `new`
Oct 13 15:27:59.392 INFO kablam!   --> src/sched.rs:22:5
Oct 13 15:27:59.392 INFO kablam!    |
Oct 13 15:27:59.392 INFO kablam! 22 |     fn new() -> Process {
Oct 13 15:27:59.392 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 13 15:27:59.392 INFO kablam!    |
Oct 13 15:27:59.392 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 15:27:59.392 INFO kablam! 
Oct 13 15:27:59.392 INFO kablam! warning: field is never used: `tid_to_group`
Oct 13 15:27:59.392 INFO kablam!   --> src/sched.rs:28:5
Oct 13 15:27:59.392 INFO kablam!    |
Oct 13 15:27:59.392 INFO kablam! 28 |     tid_to_group: Mutex<HashMap<ThreadId, Arc<Process>>>,
Oct 13 15:27:59.392 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 15:27:59.392 INFO kablam! 
Oct 13 15:27:59.392 INFO kablam! warning: method is never used: `run`
Oct 13 15:27:59.392 INFO kablam!   --> src/sched.rs:32:5
Oct 13 15:27:59.392 INFO kablam!    |
Oct 13 15:27:59.392 INFO kablam! 32 | /     pub fn run<F, T>(&self, f: F) -> T
Oct 13 15:27:59.392 INFO kablam! 33 | |         where F: FnOnce() -> T,
Oct 13 15:27:59.392 INFO kablam! 34 | |               F: panic::UnwindSafe,
Oct 13 15:27:59.393 INFO kablam! 35 | |               F: Send + 'static,
Oct 13 15:27:59.393 INFO kablam! ...  |
Oct 13 15:27:59.393 INFO kablam! 46 | |         f()
Oct 13 15:27:59.393 INFO kablam! 47 | |     }
Oct 13 15:27:59.393 INFO kablam!    | |_____^
Oct 13 15:27:59.393 INFO kablam! 
Oct 13 15:27:59.393 INFO kablam! warning: function is never used: `tid`
Oct 13 15:27:59.393 INFO kablam!   --> src/sched.rs:92:1
Oct 13 15:27:59.393 INFO kablam!    |
Oct 13 15:27:59.393 INFO kablam! 92 | fn tid() -> ThreadId {
Oct 13 15:27:59.393 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^
Oct 13 15:27:59.393 INFO kablam! 
Oct 13 15:27:59.448 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
Oct 13 15:27:59.456 INFO kablam! su: No module specific data is present
Oct 13 15:28:00.045 INFO running `"docker" "rm" "-f" "5c830746a91988107386828b1258d648a1ecb2ce2da4fe2bd05e6894aaec16c8"`
Oct 13 15:28:00.319 INFO blam! 5c830746a91988107386828b1258d648a1ecb2ce2da4fe2bd05e6894aaec16c8