Oct 13 04:13:49.095 INFO checking Jarusk/kerrigan against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 04:13:49.095 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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 13 04:13:49.304 INFO blam! 6f28968122c4473a79c18a6aba318f3c5e672dc03969b82cb5e8f86cbe9dc07e
Oct 13 04:13:49.313 INFO running `"docker" "start" "-a" "6f28968122c4473a79c18a6aba318f3c5e672dc03969b82cb5e8f86cbe9dc07e"`
Oct 13 04:13:49.963 INFO kablam! usermod: no changes
Oct 13 04:13:49.992 INFO kablam!     Checking kerrigan v0.1.0 (/source)
Oct 13 04:13:50.565 INFO kablam! warning: unused import: `std::env`
Oct 13 04:13:50.565 INFO kablam!  --> src/parseargs.rs:1:5
Oct 13 04:13:50.565 INFO kablam!   |
Oct 13 04:13:50.565 INFO kablam! 1 | use std::env;
Oct 13 04:13:50.565 INFO kablam!   |     ^^^^^^^^
Oct 13 04:13:50.565 INFO kablam!   |
Oct 13 04:13:50.566 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 04:13:50.566 INFO kablam! 
Oct 13 04:13:50.594 INFO kablam! warning: field is never used: `num_queens`
Oct 13 04:13:50.594 INFO kablam!   --> src/parseargs.rs:10:5
Oct 13 04:13:50.594 INFO kablam!    |
Oct 13 04:13:50.594 INFO kablam! 10 |     num_queens: u8,
Oct 13 04:13:50.594 INFO kablam!    |     ^^^^^^^^^^^^^^
Oct 13 04:13:50.594 INFO kablam!    |
Oct 13 04:13:50.594 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 04:13:50.594 INFO kablam! 
Oct 13 04:13:50.594 INFO kablam! warning: field is never used: `num_threads`
Oct 13 04:13:50.594 INFO kablam!   --> src/parseargs.rs:11:5
Oct 13 04:13:50.594 INFO kablam!    |
Oct 13 04:13:50.594 INFO kablam! 11 |     num_threads: u8,
Oct 13 04:13:50.594 INFO kablam!    |     ^^^^^^^^^^^^^^^
Oct 13 04:13:50.594 INFO kablam! 
Oct 13 04:13:50.635 INFO kablam! warning: unused import: `std::env`
Oct 13 04:13:50.635 INFO kablam!  --> src/parseargs.rs:1:5
Oct 13 04:13:50.635 INFO kablam!   |
Oct 13 04:13:50.635 INFO kablam! 1 | use std::env;
Oct 13 04:13:50.635 INFO kablam!   |     ^^^^^^^^
Oct 13 04:13:50.635 INFO kablam!   |
Oct 13 04:13:50.635 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 04:13:50.635 INFO kablam! 
Oct 13 04:13:50.652 INFO kablam! warning: field is never used: `num_queens`
Oct 13 04:13:50.652 INFO kablam!   --> src/parseargs.rs:10:5
Oct 13 04:13:50.652 INFO kablam!    |
Oct 13 04:13:50.652 INFO kablam! 10 |     num_queens: u8,
Oct 13 04:13:50.652 INFO kablam!    |     ^^^^^^^^^^^^^^
Oct 13 04:13:50.652 INFO kablam!    |
Oct 13 04:13:50.652 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 04:13:50.652 INFO kablam! 
Oct 13 04:13:50.652 INFO kablam! warning: field is never used: `num_threads`
Oct 13 04:13:50.652 INFO kablam!   --> src/parseargs.rs:11:5
Oct 13 04:13:50.652 INFO kablam!    |
Oct 13 04:13:50.652 INFO kablam! 11 |     num_threads: u8,
Oct 13 04:13:50.652 INFO kablam!    |     ^^^^^^^^^^^^^^^
Oct 13 04:13:50.652 INFO kablam! 
Oct 13 04:13:50.662 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
Oct 13 04:13:50.664 INFO kablam! su: No module specific data is present
Oct 13 04:13:50.899 INFO running `"docker" "rm" "-f" "6f28968122c4473a79c18a6aba318f3c5e672dc03969b82cb5e8f86cbe9dc07e"`
Oct 13 04:13:51.011 INFO blam! 6f28968122c4473a79c18a6aba318f3c5e672dc03969b82cb5e8f86cbe9dc07e