Dec 04 21:59:03.139 INFO checking beatmadsen/chess against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 21:59:03.139 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 21:59:03.584 INFO [stdout] e79541c266459605d97d8bd0187b1f27711dfa2e7412f73ff04f2ad7a0a42414
Dec 04 21:59:03.586 INFO running `"docker" "start" "-a" "e79541c266459605d97d8bd0187b1f27711dfa2e7412f73ff04f2ad7a0a42414"`
Dec 04 21:59:04.957 INFO [stderr] usermod: no changes
Dec 04 21:59:05.008 INFO [stderr]     Checking chess v0.1.0 (/source)
Dec 04 21:59:05.647 INFO [stderr] warning: struct is never constructed: `Pawn`
Dec 04 21:59:05.647 INFO [stderr]   --> src/piece.rs:16:1
Dec 04 21:59:05.647 INFO [stderr]    |
Dec 04 21:59:05.647 INFO [stderr] 16 | pub struct Pawn {}
Dec 04 21:59:05.647 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 04 21:59:05.647 INFO [stderr]    |
Dec 04 21:59:05.647 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 21:59:05.647 INFO [stderr] 
Dec 04 21:59:05.647 INFO [stderr] warning: struct is never constructed: `Queen`
Dec 04 21:59:05.647 INFO [stderr]   --> src/piece.rs:17:1
Dec 04 21:59:05.647 INFO [stderr]    |
Dec 04 21:59:05.647 INFO [stderr] 17 | pub struct Queen {}
Dec 04 21:59:05.647 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 04 21:59:05.647 INFO [stderr] 
Dec 04 21:59:05.647 INFO [stderr] warning: struct is never constructed: `King`
Dec 04 21:59:05.647 INFO [stderr]   --> src/piece.rs:18:1
Dec 04 21:59:05.647 INFO [stderr]    |
Dec 04 21:59:05.647 INFO [stderr] 18 | pub struct King {}
Dec 04 21:59:05.647 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 04 21:59:05.647 INFO [stderr] 
Dec 04 21:59:05.647 INFO [stderr] warning: struct is never constructed: `Knight`
Dec 04 21:59:05.647 INFO [stderr]   --> src/piece.rs:19:1
Dec 04 21:59:05.647 INFO [stderr]    |
Dec 04 21:59:05.647 INFO [stderr] 19 | pub struct Knight {}
Dec 04 21:59:05.647 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 04 21:59:05.647 INFO [stderr] 
Dec 04 21:59:05.647 INFO [stderr] warning: struct is never constructed: `Rook`
Dec 04 21:59:05.647 INFO [stderr]   --> src/piece.rs:20:1
Dec 04 21:59:05.647 INFO [stderr]    |
Dec 04 21:59:05.647 INFO [stderr] 20 | pub struct Rook {}
Dec 04 21:59:05.647 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 04 21:59:05.647 INFO [stderr] 
Dec 04 21:59:05.647 INFO [stderr] warning: struct is never constructed: `Square`
Dec 04 21:59:05.647 INFO [stderr]  --> src/square.rs:4:1
Dec 04 21:59:05.647 INFO [stderr]   |
Dec 04 21:59:05.647 INFO [stderr] 4 | pub struct Square {
Dec 04 21:59:05.647 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 04 21:59:05.647 INFO [stderr] 
Dec 04 21:59:05.647 INFO [stderr] warning: method is never used: `legal_moves`
Dec 04 21:59:05.647 INFO [stderr]   --> src/square.rs:10:5
Dec 04 21:59:05.647 INFO [stderr]    |
Dec 04 21:59:05.647 INFO [stderr] 10 |     pub fn legal_moves(&self) -> Vec<(Name, Name)> {
Dec 04 21:59:05.647 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:59:05.647 INFO [stderr] 
Dec 04 21:59:05.647 INFO [stderr] warning: struct is never constructed: `Position`
Dec 04 21:59:05.647 INFO [stderr]   --> src/square.rs:19:1
Dec 04 21:59:05.647 INFO [stderr]    |
Dec 04 21:59:05.647 INFO [stderr] 19 | pub struct Position {
Dec 04 21:59:05.647 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 04 21:59:05.647 INFO [stderr] 
Dec 04 21:59:05.647 INFO [stderr] warning: method is never used: `legal_moves`
Dec 04 21:59:05.647 INFO [stderr]   --> src/square.rs:24:5
Dec 04 21:59:05.647 INFO [stderr]    |
Dec 04 21:59:05.647 INFO [stderr] 24 |     pub fn legal_moves(&self) -> Vec<(Name, Name)> {
Dec 04 21:59:05.647 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:59:05.647 INFO [stderr] 
Dec 04 21:59:05.699 INFO [stderr] warning: struct is never constructed: `Pawn`
Dec 04 21:59:05.699 INFO [stderr]   --> src/piece.rs:16:1
Dec 04 21:59:05.699 INFO [stderr]    |
Dec 04 21:59:05.699 INFO [stderr] 16 | pub struct Pawn {}
Dec 04 21:59:05.699 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 04 21:59:05.699 INFO [stderr]    |
Dec 04 21:59:05.699 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 21:59:05.699 INFO [stderr] 
Dec 04 21:59:05.699 INFO [stderr] warning: struct is never constructed: `Queen`
Dec 04 21:59:05.699 INFO [stderr]   --> src/piece.rs:17:1
Dec 04 21:59:05.699 INFO [stderr]    |
Dec 04 21:59:05.699 INFO [stderr] 17 | pub struct Queen {}
Dec 04 21:59:05.699 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 04 21:59:05.699 INFO [stderr] 
Dec 04 21:59:05.699 INFO [stderr] warning: struct is never constructed: `King`
Dec 04 21:59:05.699 INFO [stderr]   --> src/piece.rs:18:1
Dec 04 21:59:05.699 INFO [stderr]    |
Dec 04 21:59:05.699 INFO [stderr] 18 | pub struct King {}
Dec 04 21:59:05.699 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 04 21:59:05.699 INFO [stderr] 
Dec 04 21:59:05.699 INFO [stderr] warning: struct is never constructed: `Knight`
Dec 04 21:59:05.699 INFO [stderr]   --> src/piece.rs:19:1
Dec 04 21:59:05.699 INFO [stderr]    |
Dec 04 21:59:05.699 INFO [stderr] 19 | pub struct Knight {}
Dec 04 21:59:05.699 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 04 21:59:05.699 INFO [stderr] 
Dec 04 21:59:05.699 INFO [stderr] warning: struct is never constructed: `Rook`
Dec 04 21:59:05.699 INFO [stderr]   --> src/piece.rs:20:1
Dec 04 21:59:05.699 INFO [stderr]    |
Dec 04 21:59:05.699 INFO [stderr] 20 | pub struct Rook {}
Dec 04 21:59:05.699 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 04 21:59:05.699 INFO [stderr] 
Dec 04 21:59:05.699 INFO [stderr] warning: struct is never constructed: `Square`
Dec 04 21:59:05.699 INFO [stderr]  --> src/square.rs:4:1
Dec 04 21:59:05.699 INFO [stderr]   |
Dec 04 21:59:05.699 INFO [stderr] 4 | pub struct Square {
Dec 04 21:59:05.699 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 04 21:59:05.699 INFO [stderr] 
Dec 04 21:59:05.699 INFO [stderr] warning: method is never used: `legal_moves`
Dec 04 21:59:05.699 INFO [stderr]   --> src/square.rs:10:5
Dec 04 21:59:05.699 INFO [stderr]    |
Dec 04 21:59:05.699 INFO [stderr] 10 |     pub fn legal_moves(&self) -> Vec<(Name, Name)> {
Dec 04 21:59:05.699 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:59:05.699 INFO [stderr] 
Dec 04 21:59:05.699 INFO [stderr] warning: struct is never constructed: `Position`
Dec 04 21:59:05.699 INFO [stderr]   --> src/square.rs:19:1
Dec 04 21:59:05.699 INFO [stderr]    |
Dec 04 21:59:05.699 INFO [stderr] 19 | pub struct Position {
Dec 04 21:59:05.699 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 04 21:59:05.699 INFO [stderr] 
Dec 04 21:59:05.699 INFO [stderr] warning: method is never used: `legal_moves`
Dec 04 21:59:05.699 INFO [stderr]   --> src/square.rs:24:5
Dec 04 21:59:05.699 INFO [stderr]    |
Dec 04 21:59:05.699 INFO [stderr] 24 |     pub fn legal_moves(&self) -> Vec<(Name, Name)> {
Dec 04 21:59:05.699 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:59:05.699 INFO [stderr] 
Dec 04 21:59:05.731 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
Dec 04 21:59:05.735 INFO [stderr] su: No module specific data is present
Dec 04 21:59:06.481 INFO running `"docker" "inspect" "e79541c266459605d97d8bd0187b1f27711dfa2e7412f73ff04f2ad7a0a42414"`
Dec 04 21:59:06.743 INFO running `"docker" "rm" "-f" "e79541c266459605d97d8bd0187b1f27711dfa2e7412f73ff04f2ad7a0a42414"`
Dec 04 21:59:07.142 INFO [stdout] e79541c266459605d97d8bd0187b1f27711dfa2e7412f73ff04f2ad7a0a42414