Dec 14 15:27:05.892 INFO testing uio-0.1.1 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 15:27:05.892 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 15:27:06.276 INFO [stdout] 40d57013da974b9ea47c09bbab88a973c4d67341f86e2579ef8acf56b2ec572f
Dec 14 15:27:06.278 INFO running `"docker" "start" "-a" "40d57013da974b9ea47c09bbab88a973c4d67341f86e2579ef8acf56b2ec572f"`
Dec 14 15:27:07.880 INFO [stderr] usermod: no changes
Dec 14 15:27:07.943 INFO [stderr]    Compiling mmap v0.1.1
Dec 14 15:27:08.624 INFO [stderr]    Compiling uio v0.1.1 (/source)
Dec 14 15:27:08.979 INFO [stderr] warning: unused import: `std::error::Error`
Dec 14 15:27:08.979 INFO [stderr]  --> src/linux.rs:7:5
Dec 14 15:27:08.979 INFO [stderr]   |
Dec 14 15:27:08.979 INFO [stderr] 7 | use std::error::Error;
Dec 14 15:27:08.979 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 14 15:27:08.979 INFO [stderr]   |
Dec 14 15:27:08.979 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 15:27:08.979 INFO [stderr] 
Dec 14 15:27:09.216 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
Dec 14 15:27:09.220 INFO [stderr] su: No module specific data is present
Dec 14 15:27:09.493 INFO running `"docker" "inspect" "40d57013da974b9ea47c09bbab88a973c4d67341f86e2579ef8acf56b2ec572f"`
Dec 14 15:27:09.564 INFO running `"docker" "rm" "-f" "40d57013da974b9ea47c09bbab88a973c4d67341f86e2579ef8acf56b2ec572f"`
Dec 14 15:27:09.672 INFO [stdout] 40d57013da974b9ea47c09bbab88a973c4d67341f86e2579ef8acf56b2ec572f
Dec 14 15:27:09.676 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 15:27:09.864 INFO [stdout] e915b0859ebab5a6fa3fa2395f96faafd7ed51cc87f5f675e23e9f4398922315
Dec 14 15:27:09.866 INFO running `"docker" "start" "-a" "e915b0859ebab5a6fa3fa2395f96faafd7ed51cc87f5f675e23e9f4398922315"`
Dec 14 15:27:10.251 INFO [stderr] usermod: no changes
Dec 14 15:27:10.288 INFO [stderr]    Compiling uio v0.1.1 (/source)
Dec 14 15:27:10.697 INFO [stderr] warning: unused import: `std::error::Error`
Dec 14 15:27:10.697 INFO [stderr]  --> src/linux.rs:7:5
Dec 14 15:27:10.697 INFO [stderr]   |
Dec 14 15:27:10.697 INFO [stderr] 7 | use std::error::Error;
Dec 14 15:27:10.697 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 14 15:27:10.697 INFO [stderr]   |
Dec 14 15:27:10.697 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 15:27:10.697 INFO [stderr] 
Dec 14 15:27:10.759 INFO [stderr] warning: unused variable: `f`
Dec 14 15:27:10.759 INFO [stderr]    --> src/linux.rs:193:16
Dec 14 15:27:10.759 INFO [stderr]     |
Dec 14 15:27:10.759 INFO [stderr] 193 |             Ok(f) => (),
Dec 14 15:27:10.759 INFO [stderr]     |                ^ help: consider using `_f` instead
Dec 14 15:27:10.759 INFO [stderr]     |
Dec 14 15:27:10.759 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 14 15:27:10.759 INFO [stderr] 
Dec 14 15:27:10.759 INFO [stderr] warning: unused variable: `f`
Dec 14 15:27:10.759 INFO [stderr]    --> src/linux.rs:215:16
Dec 14 15:27:10.759 INFO [stderr]     |
Dec 14 15:27:10.759 INFO [stderr] 215 |             Ok(f) => (),
Dec 14 15:27:10.759 INFO [stderr]     |                ^ help: consider using `_f` instead
Dec 14 15:27:10.759 INFO [stderr] 
Dec 14 15:27:10.759 INFO [stderr] warning: unused variable: `f`
Dec 14 15:27:10.759 INFO [stderr]    --> src/linux.rs:226:16
Dec 14 15:27:10.759 INFO [stderr]     |
Dec 14 15:27:10.759 INFO [stderr] 226 |             Ok(f) => (),
Dec 14 15:27:10.759 INFO [stderr]     |                ^ help: consider using `_f` instead
Dec 14 15:27:10.759 INFO [stderr] 
Dec 14 15:27:10.792 INFO [stderr] warning: variable does not need to be mutable
Dec 14 15:27:10.792 INFO [stderr]    --> src/linux.rs:211:13
Dec 14 15:27:10.792 INFO [stderr]     |
Dec 14 15:27:10.792 INFO [stderr] 211 |         let mut res = ::linux::UioDevice::new(0).unwrap();
Dec 14 15:27:10.792 INFO [stderr]     |             ----^^^
Dec 14 15:27:10.792 INFO [stderr]     |             |
Dec 14 15:27:10.792 INFO [stderr]     |             help: remove this `mut`
Dec 14 15:27:10.792 INFO [stderr]     |
Dec 14 15:27:10.792 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 14 15:27:10.792 INFO [stderr] 
Dec 14 15:27:11.239 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
Dec 14 15:27:11.239 INFO [stderr] su: No module specific data is present
Dec 14 15:27:11.561 INFO running `"docker" "inspect" "e915b0859ebab5a6fa3fa2395f96faafd7ed51cc87f5f675e23e9f4398922315"`
Dec 14 15:27:11.634 INFO running `"docker" "rm" "-f" "e915b0859ebab5a6fa3fa2395f96faafd7ed51cc87f5f675e23e9f4398922315"`
Dec 14 15:27:11.720 INFO [stdout] e915b0859ebab5a6fa3fa2395f96faafd7ed51cc87f5f675e23e9f4398922315