Nov 30 06:23:00.440 INFO checking beatmadsen/chess against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 06:23:00.440 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-3/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 06:23:00.828 INFO [stdout] 88d266ec88f514f816eb81f4236bf4881717c9827d4699fa53ce1fd305ca1a85
Nov 30 06:23:00.834 INFO running `"docker" "start" "-a" "88d266ec88f514f816eb81f4236bf4881717c9827d4699fa53ce1fd305ca1a85"`
Nov 30 06:23:02.092 INFO [stderr] usermod: no changes
Nov 30 06:23:02.164 INFO [stderr]     Checking chess v0.1.0 (/source)
Nov 30 06:23:02.660 INFO [stderr] warning: struct is never constructed: `Pawn`
Nov 30 06:23:02.660 INFO [stderr]   --> src/piece.rs:16:1
Nov 30 06:23:02.660 INFO [stderr]    |
Nov 30 06:23:02.660 INFO [stderr] 16 | pub struct Pawn {}
Nov 30 06:23:02.660 INFO [stderr]    | ^^^^^^^^^^^^^^^
Nov 30 06:23:02.660 INFO [stderr]    |
Nov 30 06:23:02.660 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 06:23:02.660 INFO [stderr] 
Nov 30 06:23:02.660 INFO [stderr] warning: struct is never constructed: `Queen`
Nov 30 06:23:02.660 INFO [stderr]   --> src/piece.rs:17:1
Nov 30 06:23:02.660 INFO [stderr]    |
Nov 30 06:23:02.660 INFO [stderr] 17 | pub struct Queen {}
Nov 30 06:23:02.660 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 30 06:23:02.660 INFO [stderr] 
Nov 30 06:23:02.668 INFO [stderr] warning: struct is never constructed: `King`
Nov 30 06:23:02.668 INFO [stderr]   --> src/piece.rs:18:1
Nov 30 06:23:02.668 INFO [stderr]    |
Nov 30 06:23:02.668 INFO [stderr] 18 | pub struct King {}
Nov 30 06:23:02.668 INFO [stderr]    | ^^^^^^^^^^^^^^^
Nov 30 06:23:02.668 INFO [stderr] 
Nov 30 06:23:02.668 INFO [stderr] warning: struct is never constructed: `Knight`
Nov 30 06:23:02.668 INFO [stderr]   --> src/piece.rs:19:1
Nov 30 06:23:02.668 INFO [stderr]    |
Nov 30 06:23:02.668 INFO [stderr] 19 | pub struct Knight {}
Nov 30 06:23:02.668 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Nov 30 06:23:02.668 INFO [stderr] 
Nov 30 06:23:02.668 INFO [stderr] warning: struct is never constructed: `Rook`
Nov 30 06:23:02.668 INFO [stderr]   --> src/piece.rs:20:1
Nov 30 06:23:02.668 INFO [stderr]    |
Nov 30 06:23:02.668 INFO [stderr] 20 | pub struct Rook {}
Nov 30 06:23:02.668 INFO [stderr]    | ^^^^^^^^^^^^^^^
Nov 30 06:23:02.668 INFO [stderr] 
Nov 30 06:23:02.668 INFO [stderr] warning: struct is never constructed: `Square`
Nov 30 06:23:02.668 INFO [stderr]  --> src/square.rs:4:1
Nov 30 06:23:02.668 INFO [stderr]   |
Nov 30 06:23:02.668 INFO [stderr] 4 | pub struct Square {
Nov 30 06:23:02.668 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Nov 30 06:23:02.668 INFO [stderr] 
Nov 30 06:23:02.668 INFO [stderr] warning: method is never used: `legal_moves`
Nov 30 06:23:02.668 INFO [stderr]   --> src/square.rs:10:5
Nov 30 06:23:02.668 INFO [stderr]    |
Nov 30 06:23:02.668 INFO [stderr] 10 |     pub fn legal_moves(&self) -> Vec<(Name, Name)> {
Nov 30 06:23:02.668 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:23:02.668 INFO [stderr] 
Nov 30 06:23:02.668 INFO [stderr] warning: struct is never constructed: `Position`
Nov 30 06:23:02.668 INFO [stderr]   --> src/square.rs:19:1
Nov 30 06:23:02.668 INFO [stderr]    |
Nov 30 06:23:02.668 INFO [stderr] 19 | pub struct Position {
Nov 30 06:23:02.668 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Nov 30 06:23:02.668 INFO [stderr] 
Nov 30 06:23:02.668 INFO [stderr] warning: method is never used: `legal_moves`
Nov 30 06:23:02.668 INFO [stderr]   --> src/square.rs:24:5
Nov 30 06:23:02.668 INFO [stderr]    |
Nov 30 06:23:02.668 INFO [stderr] 24 |     pub fn legal_moves(&self) -> Vec<(Name, Name)> {
Nov 30 06:23:02.668 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:23:02.668 INFO [stderr] 
Nov 30 06:23:02.972 INFO [stderr] warning: struct is never constructed: `Pawn`
Nov 30 06:23:02.972 INFO [stderr]   --> src/piece.rs:16:1
Nov 30 06:23:02.972 INFO [stderr]    |
Nov 30 06:23:02.973 INFO [stderr] 16 | pub struct Pawn {}
Nov 30 06:23:02.973 INFO [stderr]    | ^^^^^^^^^^^^^^^
Nov 30 06:23:02.973 INFO [stderr]    |
Nov 30 06:23:02.973 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 06:23:02.973 INFO [stderr] 
Nov 30 06:23:02.973 INFO [stderr] warning: struct is never constructed: `Queen`
Nov 30 06:23:02.973 INFO [stderr]   --> src/piece.rs:17:1
Nov 30 06:23:02.973 INFO [stderr]    |
Nov 30 06:23:02.973 INFO [stderr] 17 | pub struct Queen {}
Nov 30 06:23:02.973 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 30 06:23:02.973 INFO [stderr] 
Nov 30 06:23:02.973 INFO [stderr] warning: struct is never constructed: `King`
Nov 30 06:23:02.973 INFO [stderr]   --> src/piece.rs:18:1
Nov 30 06:23:02.973 INFO [stderr]    |
Nov 30 06:23:02.973 INFO [stderr] 18 | pub struct King {}
Nov 30 06:23:02.973 INFO [stderr]    | ^^^^^^^^^^^^^^^
Nov 30 06:23:02.973 INFO [stderr] 
Nov 30 06:23:02.973 INFO [stderr] warning: struct is never constructed: `Knight`
Nov 30 06:23:02.973 INFO [stderr]   --> src/piece.rs:19:1
Nov 30 06:23:02.973 INFO [stderr]    |
Nov 30 06:23:02.973 INFO [stderr] 19 | pub struct Knight {}
Nov 30 06:23:02.973 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Nov 30 06:23:02.973 INFO [stderr] 
Nov 30 06:23:02.973 INFO [stderr] warning: struct is never constructed: `Rook`
Nov 30 06:23:02.973 INFO [stderr]   --> src/piece.rs:20:1
Nov 30 06:23:02.973 INFO [stderr]    |
Nov 30 06:23:02.973 INFO [stderr] 20 | pub struct Rook {}
Nov 30 06:23:02.973 INFO [stderr]    | ^^^^^^^^^^^^^^^
Nov 30 06:23:02.973 INFO [stderr] 
Nov 30 06:23:02.973 INFO [stderr] warning: struct is never constructed: `Square`
Nov 30 06:23:02.973 INFO [stderr]  --> src/square.rs:4:1
Nov 30 06:23:02.973 INFO [stderr]   |
Nov 30 06:23:02.973 INFO [stderr] 4 | pub struct Square {
Nov 30 06:23:02.973 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Nov 30 06:23:02.973 INFO [stderr] 
Nov 30 06:23:02.973 INFO [stderr] warning: method is never used: `legal_moves`
Nov 30 06:23:02.973 INFO [stderr]   --> src/square.rs:10:5
Nov 30 06:23:02.973 INFO [stderr]    |
Nov 30 06:23:02.973 INFO [stderr] 10 |     pub fn legal_moves(&self) -> Vec<(Name, Name)> {
Nov 30 06:23:02.973 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:23:02.973 INFO [stderr] 
Nov 30 06:23:02.973 INFO [stderr] warning: struct is never constructed: `Position`
Nov 30 06:23:02.973 INFO [stderr]   --> src/square.rs:19:1
Nov 30 06:23:02.973 INFO [stderr]    |
Nov 30 06:23:02.973 INFO [stderr] 19 | pub struct Position {
Nov 30 06:23:02.973 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Nov 30 06:23:02.973 INFO [stderr] 
Nov 30 06:23:02.973 INFO [stderr] warning: method is never used: `legal_moves`
Nov 30 06:23:02.973 INFO [stderr]   --> src/square.rs:24:5
Nov 30 06:23:02.973 INFO [stderr]    |
Nov 30 06:23:02.973 INFO [stderr] 24 |     pub fn legal_moves(&self) -> Vec<(Name, Name)> {
Nov 30 06:23:02.973 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:23:02.973 INFO [stderr] 
Nov 30 06:23:03.009 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
Nov 30 06:23:03.037 INFO [stderr] su: No module specific data is present
Nov 30 06:23:04.060 INFO running `"docker" "inspect" "88d266ec88f514f816eb81f4236bf4881717c9827d4699fa53ce1fd305ca1a85"`
Nov 30 06:23:04.422 INFO running `"docker" "rm" "-f" "88d266ec88f514f816eb81f4236bf4881717c9827d4699fa53ce1fd305ca1a85"`
Nov 30 06:23:04.740 INFO [stdout] 88d266ec88f514f816eb81f4236bf4881717c9827d4699fa53ce1fd305ca1a85