Nov 02 21:17:15.445 INFO checking Jarusk/kerrigan against master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862 for pr-55517
Nov 02 21:17:15.445 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-0/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55517/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/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 +f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862-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 02 21:17:15.820 INFO blam! 4da3159249cc766ef9350356359f94797829386bb2f7cbd90e3df0104ee4caaa
Nov 02 21:17:15.820 INFO running `"docker" "start" "-a" "4da3159249cc766ef9350356359f94797829386bb2f7cbd90e3df0104ee4caaa"`
Nov 02 21:17:16.428 INFO kablam! usermod: no changes
Nov 02 21:17:16.464 INFO kablam!     Checking kerrigan v0.1.0 (/source)
Nov 02 21:17:17.000 INFO kablam! warning: unused import: `std::env`
Nov 02 21:17:17.000 INFO kablam!  --> src/parseargs.rs:1:5
Nov 02 21:17:17.000 INFO kablam!   |
Nov 02 21:17:17.000 INFO kablam! 1 | use std::env;
Nov 02 21:17:17.000 INFO kablam!   |     ^^^^^^^^
Nov 02 21:17:17.000 INFO kablam!   |
Nov 02 21:17:17.000 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 21:17:17.000 INFO kablam! 
Nov 02 21:17:17.016 INFO kablam! warning: field is never used: `num_queens`
Nov 02 21:17:17.016 INFO kablam!   --> src/parseargs.rs:10:5
Nov 02 21:17:17.016 INFO kablam!    |
Nov 02 21:17:17.016 INFO kablam! 10 |     num_queens: u8,
Nov 02 21:17:17.016 INFO kablam!    |     ^^^^^^^^^^^^^^
Nov 02 21:17:17.016 INFO kablam!    |
Nov 02 21:17:17.016 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 02 21:17:17.016 INFO kablam! 
Nov 02 21:17:17.016 INFO kablam! warning: field is never used: `num_threads`
Nov 02 21:17:17.016 INFO kablam!   --> src/parseargs.rs:11:5
Nov 02 21:17:17.016 INFO kablam!    |
Nov 02 21:17:17.016 INFO kablam! 11 |     num_threads: u8,
Nov 02 21:17:17.016 INFO kablam!    |     ^^^^^^^^^^^^^^^
Nov 02 21:17:17.016 INFO kablam! 
Nov 02 21:17:17.024 INFO kablam! warning: unused import: `std::env`
Nov 02 21:17:17.024 INFO kablam!  --> src/parseargs.rs:1:5
Nov 02 21:17:17.024 INFO kablam!   |
Nov 02 21:17:17.024 INFO kablam! 1 | use std::env;
Nov 02 21:17:17.024 INFO kablam!   |     ^^^^^^^^
Nov 02 21:17:17.024 INFO kablam!   |
Nov 02 21:17:17.024 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 21:17:17.024 INFO kablam! 
Nov 02 21:17:17.036 INFO kablam! warning: field is never used: `num_queens`
Nov 02 21:17:17.036 INFO kablam!   --> src/parseargs.rs:10:5
Nov 02 21:17:17.036 INFO kablam!    |
Nov 02 21:17:17.036 INFO kablam! 10 |     num_queens: u8,
Nov 02 21:17:17.036 INFO kablam!    |     ^^^^^^^^^^^^^^
Nov 02 21:17:17.036 INFO kablam!    |
Nov 02 21:17:17.036 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 02 21:17:17.036 INFO kablam! 
Nov 02 21:17:17.036 INFO kablam! warning: field is never used: `num_threads`
Nov 02 21:17:17.036 INFO kablam!   --> src/parseargs.rs:11:5
Nov 02 21:17:17.036 INFO kablam!    |
Nov 02 21:17:17.036 INFO kablam! 11 |     num_threads: u8,
Nov 02 21:17:17.036 INFO kablam!    |     ^^^^^^^^^^^^^^^
Nov 02 21:17:17.036 INFO kablam! 
Nov 02 21:17:17.042 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
Nov 02 21:17:17.048 INFO kablam! su: No module specific data is present
Nov 02 21:17:17.339 INFO running `"docker" "rm" "-f" "4da3159249cc766ef9350356359f94797829386bb2f7cbd90e3df0104ee4caaa"`
Nov 02 21:17:17.552 INFO blam! 4da3159249cc766ef9350356359f94797829386bb2f7cbd90e3df0104ee4caaa