Oct 21 21:18:51.190 INFO checking Jarusk/kerrigan against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 21 21:18:51.190 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-3/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-55192/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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 21 21:18:51.682 INFO blam! 367893d48c5ea5803845970511a768acc218599318441c7b450090629682f3bf
Oct 21 21:18:51.692 INFO running `"docker" "start" "-a" "367893d48c5ea5803845970511a768acc218599318441c7b450090629682f3bf"`
Oct 21 21:18:52.432 INFO kablam! usermod: no changes
Oct 21 21:18:52.463 INFO kablam!     Checking kerrigan v0.1.0 (/source)
Oct 21 21:18:52.830 INFO kablam! warning: unused import: `std::env`
Oct 21 21:18:52.830 INFO kablam!  --> src/parseargs.rs:1:5
Oct 21 21:18:52.830 INFO kablam!   |
Oct 21 21:18:52.830 INFO kablam! 1 | use std::env;
Oct 21 21:18:52.830 INFO kablam!   |     ^^^^^^^^
Oct 21 21:18:52.830 INFO kablam!   |
Oct 21 21:18:52.830 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 21 21:18:52.830 INFO kablam! 
Oct 21 21:18:52.842 INFO kablam! warning: field is never used: `num_queens`
Oct 21 21:18:52.842 INFO kablam!   --> src/parseargs.rs:10:5
Oct 21 21:18:52.842 INFO kablam!    |
Oct 21 21:18:52.842 INFO kablam! 10 |     num_queens: u8,
Oct 21 21:18:52.842 INFO kablam!    |     ^^^^^^^^^^^^^^
Oct 21 21:18:52.842 INFO kablam!    |
Oct 21 21:18:52.842 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 21 21:18:52.842 INFO kablam! 
Oct 21 21:18:52.842 INFO kablam! warning: field is never used: `num_threads`
Oct 21 21:18:52.842 INFO kablam!   --> src/parseargs.rs:11:5
Oct 21 21:18:52.842 INFO kablam!    |
Oct 21 21:18:52.842 INFO kablam! 11 |     num_threads: u8,
Oct 21 21:18:52.842 INFO kablam!    |     ^^^^^^^^^^^^^^^
Oct 21 21:18:52.842 INFO kablam! 
Oct 21 21:18:52.902 INFO kablam! warning: unused import: `std::env`
Oct 21 21:18:52.902 INFO kablam!  --> src/parseargs.rs:1:5
Oct 21 21:18:52.902 INFO kablam!   |
Oct 21 21:18:52.902 INFO kablam! 1 | use std::env;
Oct 21 21:18:52.902 INFO kablam!   |     ^^^^^^^^
Oct 21 21:18:52.902 INFO kablam!   |
Oct 21 21:18:52.902 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 21 21:18:52.902 INFO kablam! 
Oct 21 21:18:52.916 INFO kablam! warning: field is never used: `num_queens`
Oct 21 21:18:52.916 INFO kablam!   --> src/parseargs.rs:10:5
Oct 21 21:18:52.916 INFO kablam!    |
Oct 21 21:18:52.916 INFO kablam! 10 |     num_queens: u8,
Oct 21 21:18:52.916 INFO kablam!    |     ^^^^^^^^^^^^^^
Oct 21 21:18:52.916 INFO kablam!    |
Oct 21 21:18:52.916 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 21 21:18:52.916 INFO kablam! 
Oct 21 21:18:52.916 INFO kablam! warning: field is never used: `num_threads`
Oct 21 21:18:52.916 INFO kablam!   --> src/parseargs.rs:11:5
Oct 21 21:18:52.916 INFO kablam!    |
Oct 21 21:18:52.916 INFO kablam! 11 |     num_threads: u8,
Oct 21 21:18:52.916 INFO kablam!    |     ^^^^^^^^^^^^^^^
Oct 21 21:18:52.916 INFO kablam! 
Oct 21 21:18:52.936 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
Oct 21 21:18:52.940 INFO kablam! su: No module specific data is present
Oct 21 21:18:53.381 INFO running `"docker" "rm" "-f" "367893d48c5ea5803845970511a768acc218599318441c7b450090629682f3bf"`
Oct 21 21:18:53.500 INFO blam! 367893d48c5ea5803845970511a768acc218599318441c7b450090629682f3bf