Dec 14 15:27:04.965 INFO testing uio-0.1.1 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 15:27:04.965 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 15:27:05.243 INFO [stdout] c3ccf9fef67a0e8dcb8e9bdbe1ddb7e3ff51d9eb700d37ec7bc7c0b7329eefe0
Dec 14 15:27:05.247 INFO running `"docker" "start" "-a" "c3ccf9fef67a0e8dcb8e9bdbe1ddb7e3ff51d9eb700d37ec7bc7c0b7329eefe0"`
Dec 14 15:27:06.522 INFO [stderr] usermod: no changes
Dec 14 15:27:06.626 INFO [stderr]    Compiling mmap v0.1.1
Dec 14 15:27:07.463 INFO [stderr]    Compiling uio v0.1.1 (/source)
Dec 14 15:27:07.915 INFO [stderr] warning: unused import: `std::error::Error`
Dec 14 15:27:07.915 INFO [stderr]  --> src/linux.rs:7:5
Dec 14 15:27:07.915 INFO [stderr]   |
Dec 14 15:27:07.915 INFO [stderr] 7 | use std::error::Error;
Dec 14 15:27:07.915 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 14 15:27:07.915 INFO [stderr]   |
Dec 14 15:27:07.915 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 15:27:07.915 INFO [stderr] 
Dec 14 15:27:08.547 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.99s
Dec 14 15:27:08.551 INFO [stderr] su: No module specific data is present
Dec 14 15:27:08.833 INFO running `"docker" "inspect" "c3ccf9fef67a0e8dcb8e9bdbe1ddb7e3ff51d9eb700d37ec7bc7c0b7329eefe0"`
Dec 14 15:27:08.929 INFO running `"docker" "rm" "-f" "c3ccf9fef67a0e8dcb8e9bdbe1ddb7e3ff51d9eb700d37ec7bc7c0b7329eefe0"`
Dec 14 15:27:09.012 INFO [stdout] c3ccf9fef67a0e8dcb8e9bdbe1ddb7e3ff51d9eb700d37ec7bc7c0b7329eefe0
Dec 14 15:27:09.014 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 15:27:09.279 INFO [stdout] b03cbb96ea87fd63aa3524fdc96f511e8e827d510b87f225d929efd435866ad0
Dec 14 15:27:09.282 INFO running `"docker" "start" "-a" "b03cbb96ea87fd63aa3524fdc96f511e8e827d510b87f225d929efd435866ad0"`
Dec 14 15:27:09.851 INFO [stderr] usermod: no changes
Dec 14 15:27:09.888 INFO [stderr]    Compiling uio v0.1.1 (/source)
Dec 14 15:27:10.323 INFO [stderr] warning: unused import: `std::error::Error`
Dec 14 15:27:10.323 INFO [stderr]  --> src/linux.rs:7:5
Dec 14 15:27:10.323 INFO [stderr]   |
Dec 14 15:27:10.323 INFO [stderr] 7 | use std::error::Error;
Dec 14 15:27:10.323 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 14 15:27:10.323 INFO [stderr]   |
Dec 14 15:27:10.323 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 15:27:10.323 INFO [stderr] 
Dec 14 15:27:10.392 INFO [stderr] warning: unused variable: `f`
Dec 14 15:27:10.392 INFO [stderr]    --> src/linux.rs:193:16
Dec 14 15:27:10.392 INFO [stderr]     |
Dec 14 15:27:10.392 INFO [stderr] 193 |             Ok(f) => (),
Dec 14 15:27:10.392 INFO [stderr]     |                ^ help: consider using `_f` instead
Dec 14 15:27:10.392 INFO [stderr]     |
Dec 14 15:27:10.392 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 14 15:27:10.392 INFO [stderr] 
Dec 14 15:27:10.393 INFO [stderr] warning: unused variable: `f`
Dec 14 15:27:10.393 INFO [stderr]    --> src/linux.rs:215:16
Dec 14 15:27:10.393 INFO [stderr]     |
Dec 14 15:27:10.393 INFO [stderr] 215 |             Ok(f) => (),
Dec 14 15:27:10.393 INFO [stderr]     |                ^ help: consider using `_f` instead
Dec 14 15:27:10.393 INFO [stderr] 
Dec 14 15:27:10.393 INFO [stderr] warning: unused variable: `f`
Dec 14 15:27:10.393 INFO [stderr]    --> src/linux.rs:226:16
Dec 14 15:27:10.393 INFO [stderr]     |
Dec 14 15:27:10.393 INFO [stderr] 226 |             Ok(f) => (),
Dec 14 15:27:10.393 INFO [stderr]     |                ^ help: consider using `_f` instead
Dec 14 15:27:10.393 INFO [stderr] 
Dec 14 15:27:10.429 INFO [stderr] warning: variable does not need to be mutable
Dec 14 15:27:10.429 INFO [stderr]    --> src/linux.rs:211:13
Dec 14 15:27:10.429 INFO [stderr]     |
Dec 14 15:27:10.429 INFO [stderr] 211 |         let mut res = ::linux::UioDevice::new(0).unwrap();
Dec 14 15:27:10.429 INFO [stderr]     |             ----^^^
Dec 14 15:27:10.429 INFO [stderr]     |             |
Dec 14 15:27:10.429 INFO [stderr]     |             help: remove this `mut`
Dec 14 15:27:10.429 INFO [stderr]     |
Dec 14 15:27:10.429 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 14 15:27:10.429 INFO [stderr] 
Dec 14 15:27:10.915 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
Dec 14 15:27:10.915 INFO [stderr] su: No module specific data is present
Dec 14 15:27:11.353 INFO running `"docker" "inspect" "b03cbb96ea87fd63aa3524fdc96f511e8e827d510b87f225d929efd435866ad0"`
Dec 14 15:27:11.439 INFO running `"docker" "rm" "-f" "b03cbb96ea87fd63aa3524fdc96f511e8e827d510b87f225d929efd435866ad0"`
Dec 14 15:27:11.543 INFO [stdout] b03cbb96ea87fd63aa3524fdc96f511e8e827d510b87f225d929efd435866ad0