Dec 05 01:56:08.551 INFO checking Jarusk/kerrigan against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 01:56:08.551 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 05 01:56:08.787 INFO [stdout] fbb0233adb08996f4a02f1d6238847ec6c03fdaa6a190ec8d81937e3eefd06cc
Dec 05 01:56:08.792 INFO running `"docker" "start" "-a" "fbb0233adb08996f4a02f1d6238847ec6c03fdaa6a190ec8d81937e3eefd06cc"`
Dec 05 01:56:09.617 INFO [stderr] usermod: no changes
Dec 05 01:56:09.647 INFO [stderr]     Checking kerrigan v0.1.0 (/source)
Dec 05 01:56:10.047 INFO [stderr] warning: unused import: `std::env`
Dec 05 01:56:10.047 INFO [stderr]  --> src/parseargs.rs:1:5
Dec 05 01:56:10.047 INFO [stderr]   |
Dec 05 01:56:10.047 INFO [stderr] 1 | use std::env;
Dec 05 01:56:10.047 INFO [stderr]   |     ^^^^^^^^
Dec 05 01:56:10.047 INFO [stderr]   |
Dec 05 01:56:10.047 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 01:56:10.047 INFO [stderr] 
Dec 05 01:56:10.051 INFO [stderr] warning: unused import: `std::env`
Dec 05 01:56:10.051 INFO [stderr]  --> src/parseargs.rs:1:5
Dec 05 01:56:10.051 INFO [stderr]   |
Dec 05 01:56:10.051 INFO [stderr] 1 | use std::env;
Dec 05 01:56:10.051 INFO [stderr]   |     ^^^^^^^^
Dec 05 01:56:10.051 INFO [stderr]   |
Dec 05 01:56:10.051 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 01:56:10.051 INFO [stderr] 
Dec 05 01:56:10.056 INFO [stderr] warning: field is never used: `num_queens`
Dec 05 01:56:10.056 INFO [stderr]   --> src/parseargs.rs:10:5
Dec 05 01:56:10.056 INFO [stderr]    |
Dec 05 01:56:10.056 INFO [stderr] 10 |     num_queens: u8,
Dec 05 01:56:10.056 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 05 01:56:10.056 INFO [stderr]    |
Dec 05 01:56:10.056 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 01:56:10.056 INFO [stderr] 
Dec 05 01:56:10.056 INFO [stderr] warning: field is never used: `num_threads`
Dec 05 01:56:10.056 INFO [stderr]   --> src/parseargs.rs:11:5
Dec 05 01:56:10.056 INFO [stderr]    |
Dec 05 01:56:10.056 INFO [stderr] 11 |     num_threads: u8,
Dec 05 01:56:10.056 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 05 01:56:10.056 INFO [stderr] 
Dec 05 01:56:10.058 INFO [stderr] warning: field is never used: `num_queens`
Dec 05 01:56:10.058 INFO [stderr]   --> src/parseargs.rs:10:5
Dec 05 01:56:10.058 INFO [stderr]    |
Dec 05 01:56:10.058 INFO [stderr] 10 |     num_queens: u8,
Dec 05 01:56:10.058 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 05 01:56:10.058 INFO [stderr]    |
Dec 05 01:56:10.058 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 01:56:10.058 INFO [stderr] 
Dec 05 01:56:10.058 INFO [stderr] warning: field is never used: `num_threads`
Dec 05 01:56:10.058 INFO [stderr]   --> src/parseargs.rs:11:5
Dec 05 01:56:10.058 INFO [stderr]    |
Dec 05 01:56:10.058 INFO [stderr] 11 |     num_threads: u8,
Dec 05 01:56:10.058 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 05 01:56:10.058 INFO [stderr] 
Dec 05 01:56:10.074 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
Dec 05 01:56:10.076 INFO [stderr] su: No module specific data is present
Dec 05 01:56:10.438 INFO running `"docker" "inspect" "fbb0233adb08996f4a02f1d6238847ec6c03fdaa6a190ec8d81937e3eefd06cc"`
Dec 05 01:56:10.541 INFO running `"docker" "rm" "-f" "fbb0233adb08996f4a02f1d6238847ec6c03fdaa6a190ec8d81937e3eefd06cc"`
Dec 05 01:56:10.700 INFO [stdout] fbb0233adb08996f4a02f1d6238847ec6c03fdaa6a190ec8d81937e3eefd06cc