Nov 30 10:30:08.001 INFO checking Jarusk/kerrigan against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 10:30:08.001 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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"`
Nov 30 10:30:08.196 INFO [stdout] a0d7ab9d538fe9d25628b7bc72892849fc43795f68ccd1d95f8a203285058ece
Nov 30 10:30:08.198 INFO running `"docker" "start" "-a" "a0d7ab9d538fe9d25628b7bc72892849fc43795f68ccd1d95f8a203285058ece"`
Nov 30 10:30:08.772 INFO [stderr] usermod: no changes
Nov 30 10:30:08.803 INFO [stderr]     Checking kerrigan v0.1.0 (/source)
Nov 30 10:30:09.135 INFO [stderr] warning: unused import: `std::env`
Nov 30 10:30:09.135 INFO [stderr]  --> src/parseargs.rs:1:5
Nov 30 10:30:09.135 INFO [stderr]   |
Nov 30 10:30:09.135 INFO [stderr] 1 | use std::env;
Nov 30 10:30:09.135 INFO [stderr]   |     ^^^^^^^^
Nov 30 10:30:09.135 INFO [stderr]   |
Nov 30 10:30:09.135 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 10:30:09.135 INFO [stderr] 
Nov 30 10:30:09.149 INFO [stderr] warning: field is never used: `num_queens`
Nov 30 10:30:09.149 INFO [stderr]   --> src/parseargs.rs:10:5
Nov 30 10:30:09.149 INFO [stderr]    |
Nov 30 10:30:09.149 INFO [stderr] 10 |     num_queens: u8,
Nov 30 10:30:09.149 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 30 10:30:09.149 INFO [stderr]    |
Nov 30 10:30:09.149 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 10:30:09.149 INFO [stderr] 
Nov 30 10:30:09.149 INFO [stderr] warning: field is never used: `num_threads`
Nov 30 10:30:09.149 INFO [stderr]   --> src/parseargs.rs:11:5
Nov 30 10:30:09.149 INFO [stderr]    |
Nov 30 10:30:09.149 INFO [stderr] 11 |     num_threads: u8,
Nov 30 10:30:09.149 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 30 10:30:09.149 INFO [stderr] 
Nov 30 10:30:09.241 INFO [stderr] warning: unused import: `std::env`
Nov 30 10:30:09.241 INFO [stderr]  --> src/parseargs.rs:1:5
Nov 30 10:30:09.241 INFO [stderr]   |
Nov 30 10:30:09.241 INFO [stderr] 1 | use std::env;
Nov 30 10:30:09.241 INFO [stderr]   |     ^^^^^^^^
Nov 30 10:30:09.241 INFO [stderr]   |
Nov 30 10:30:09.241 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 10:30:09.241 INFO [stderr] 
Nov 30 10:30:09.258 INFO [stderr] warning: field is never used: `num_queens`
Nov 30 10:30:09.258 INFO [stderr]   --> src/parseargs.rs:10:5
Nov 30 10:30:09.258 INFO [stderr]    |
Nov 30 10:30:09.258 INFO [stderr] 10 |     num_queens: u8,
Nov 30 10:30:09.258 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 30 10:30:09.258 INFO [stderr]    |
Nov 30 10:30:09.258 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 10:30:09.258 INFO [stderr] 
Nov 30 10:30:09.258 INFO [stderr] warning: field is never used: `num_threads`
Nov 30 10:30:09.258 INFO [stderr]   --> src/parseargs.rs:11:5
Nov 30 10:30:09.258 INFO [stderr]    |
Nov 30 10:30:09.258 INFO [stderr] 11 |     num_threads: u8,
Nov 30 10:30:09.258 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 30 10:30:09.258 INFO [stderr] 
Nov 30 10:30:09.266 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
Nov 30 10:30:09.268 INFO [stderr] su: No module specific data is present
Nov 30 10:30:09.559 INFO running `"docker" "inspect" "a0d7ab9d538fe9d25628b7bc72892849fc43795f68ccd1d95f8a203285058ece"`
Nov 30 10:30:09.696 INFO running `"docker" "rm" "-f" "a0d7ab9d538fe9d25628b7bc72892849fc43795f68ccd1d95f8a203285058ece"`
Nov 30 10:30:09.851 INFO [stdout] a0d7ab9d538fe9d25628b7bc72892849fc43795f68ccd1d95f8a203285058ece