[INFO] updating cached repository theor/rust-chess
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/theor/rust-chess
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/theor/rust-chess" "work/ex/beta-1.37-6/sources/1.36.0/gh/theor/rust-chess"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/theor/rust-chess'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/theor/rust-chess" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/theor/rust-chess"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/theor/rust-chess'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d57cdd582a8e5581b5cdc5af560e5d2aef325de7
[INFO] sha for GitHub repo theor/rust-chess: d57cdd582a8e5581b5cdc5af560e5d2aef325de7
[INFO] validating manifest of theor/rust-chess on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of theor/rust-chess on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing theor/rust-chess
[INFO] finished frobbing theor/rust-chess
[INFO] frobbed toml for theor/rust-chess written to work/ex/beta-1.37-6/sources/1.36.0/gh/theor/rust-chess/Cargo.toml
[INFO] started frobbing theor/rust-chess
[INFO] finished frobbing theor/rust-chess
[INFO] frobbed toml for theor/rust-chess written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/theor/rust-chess/Cargo.toml
[INFO] crate theor/rust-chess already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing theor/rust-chess against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/theor/rust-chess:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] f44c55fc41bdf1cf44fcc686af261aea55b4915d96bcec4c3ef388ff1d19d118
[INFO] running `"docker" "start" "-a" "f44c55fc41bdf1cf44fcc686af261aea55b4915d96bcec4c3ef388ff1d19d118"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling galvanic-assert v0.8.7
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling simplelog v0.5.3
[INFO] [stderr]    Compiling chess v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `char::ParseCharError`, `num::ParseIntError`
[INFO] [stderr]    --> src/move_generator.rs:124:11
[INFO] [stderr]     |
[INFO] [stderr] 124 | use std::{char::ParseCharError, num::ParseIntError};
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SubCommand`
[INFO] [stderr]   --> src/main.rs:20:22
[INFO] [stderr]    |
[INFO] [stderr] 20 | use clap::{App, Arg, SubCommand};
[INFO] [stderr]    |                      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Player` is imported redundantly
[INFO] [stderr]   --> src/main.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 29 | use player::Player;
[INFO] [stderr]    |     -------------- the item `Player` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 98 |     use crate::player::Player;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]    --> src/move_generator.rs:183:5
[INFO] [stderr]     |
[INFO] [stderr] 183 |     color: Color,
[INFO] [stderr]     |     ^^^^^ help: consider prefixing with an underscore: `_color`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]    --> src/move_generator.rs:290:5
[INFO] [stderr]     |
[INFO] [stderr] 290 |     color: Color,
[INFO] [stderr]     |     ^^^^^ help: consider prefixing with an underscore: `_color`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]    --> src/move_generator.rs:305:5
[INFO] [stderr]     |
[INFO] [stderr] 305 |     color: Color,
[INFO] [stderr]     |     ^^^^^ help: consider prefixing with an underscore: `_color`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]    --> src/move_generator.rs:321:5
[INFO] [stderr]     |
[INFO] [stderr] 321 |     color: Color,
[INFO] [stderr]     |     ^^^^^ help: consider prefixing with an underscore: `_color`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]    --> src/move_generator.rs:346:5
[INFO] [stderr]     |
[INFO] [stderr] 346 |     color: Color,
[INFO] [stderr]     |     ^^^^^ help: consider prefixing with an underscore: `_color`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]    --> src/move_generator.rs:108:76
[INFO] [stderr]     |
[INFO] [stderr] 108 |         write!(f, "{}{}{}", self.from, self.to, self.promotion.map_or("", |p| ""))
[INFO] [stderr]     |                                                                            ^ help: consider prefixing with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `rng`
[INFO] [stderr]  --> src/ai.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     rng: SmallRng,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_fen`
[INFO] [stderr]    --> src/board.rs:360:1
[INFO] [stderr]     |
[INFO] [stderr] 360 | pub fn parse_fen(s: &str) -> Option<Board> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse`
[INFO] [stderr]    --> src/board.rs:372:1
[INFO] [stderr]     |
[INFO] [stderr] 372 | pub fn parse(s: &str) -> Option<Board> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Error`
[INFO] [stderr]    --> src/move_generator.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     Error,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.19s
[INFO] running `"docker" "inspect" "f44c55fc41bdf1cf44fcc686af261aea55b4915d96bcec4c3ef388ff1d19d118"`
[INFO] running `"docker" "rm" "-f" "f44c55fc41bdf1cf44fcc686af261aea55b4915d96bcec4c3ef388ff1d19d118"`
[INFO] [stdout] f44c55fc41bdf1cf44fcc686af261aea55b4915d96bcec4c3ef388ff1d19d118
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/theor/rust-chess:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 09807aa125c31a3e69f3ba12dfb4cc1ee1c5930436e5a61de1e1e3aa14bfd614
[INFO] running `"docker" "start" "-a" "09807aa125c31a3e69f3ba12dfb4cc1ee1c5930436e5a61de1e1e3aa14bfd614"`
[INFO] [stderr]    Compiling chess v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `char::ParseCharError`, `num::ParseIntError`
[INFO] [stderr]    --> src/move_generator.rs:124:11
[INFO] [stderr]     |
[INFO] [stderr] 124 | use std::{char::ParseCharError, num::ParseIntError};
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SubCommand`
[INFO] [stderr]   --> src/main.rs:20:22
[INFO] [stderr]    |
[INFO] [stderr] 20 | use clap::{App, Arg, SubCommand};
[INFO] [stderr]    |                      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Player` is imported redundantly
[INFO] [stderr]   --> src/main.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 29 | use player::Player;
[INFO] [stderr]    |     -------------- the item `Player` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 98 |     use crate::player::Player;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Capture`
[INFO] [stderr]    --> src/main.rs:267:38
[INFO] [stderr]     |
[INFO] [stderr] 267 |     use crate::validator::MoveType::{Capture, Quiet};
[INFO] [stderr]     |                                      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]    --> src/move_generator.rs:183:5
[INFO] [stderr]     |
[INFO] [stderr] 183 |     color: Color,
[INFO] [stderr]     |     ^^^^^ help: consider prefixing with an underscore: `_color`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]    --> src/move_generator.rs:290:5
[INFO] [stderr]     |
[INFO] [stderr] 290 |     color: Color,
[INFO] [stderr]     |     ^^^^^ help: consider prefixing with an underscore: `_color`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]    --> src/move_generator.rs:305:5
[INFO] [stderr]     |
[INFO] [stderr] 305 |     color: Color,
[INFO] [stderr]     |     ^^^^^ help: consider prefixing with an underscore: `_color`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]    --> src/move_generator.rs:321:5
[INFO] [stderr]     |
[INFO] [stderr] 321 |     color: Color,
[INFO] [stderr]     |     ^^^^^ help: consider prefixing with an underscore: `_color`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]    --> src/move_generator.rs:346:5
[INFO] [stderr]     |
[INFO] [stderr] 346 |     color: Color,
[INFO] [stderr]     |     ^^^^^ help: consider prefixing with an underscore: `_color`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]    --> src/move_generator.rs:108:76
[INFO] [stderr]     |
[INFO] [stderr] 108 |         write!(f, "{}{}{}", self.from, self.to, self.promotion.map_or("", |p| ""))
[INFO] [stderr]     |                                                                            ^ help: consider prefixing with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `rng`
[INFO] [stderr]  --> src/ai.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     rng: SmallRng,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Error`
[INFO] [stderr]    --> src/move_generator.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     Error,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.72s
[INFO] running `"docker" "inspect" "09807aa125c31a3e69f3ba12dfb4cc1ee1c5930436e5a61de1e1e3aa14bfd614"`
[INFO] running `"docker" "rm" "-f" "09807aa125c31a3e69f3ba12dfb4cc1ee1c5930436e5a61de1e1e3aa14bfd614"`
[INFO] [stdout] 09807aa125c31a3e69f3ba12dfb4cc1ee1c5930436e5a61de1e1e3aa14bfd614
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/theor/rust-chess:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 1d963b9aad3c153624908551426d94654fa315e0684650dd8dcf6e84c6866047
[INFO] running `"docker" "start" "-a" "1d963b9aad3c153624908551426d94654fa315e0684650dd8dcf6e84c6866047"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/chess-178d703f043bc4e9
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test move_generator::tests::case_iterator_1_63 ... ok
[INFO] [stdout] test board::test_fen ... ok
[INFO] [stdout] test move_generator::tests::case_iterator_rnd ... ok
[INFO] [stdout] test move_generator::tests::case_iterator_last ... ok
[INFO] [stdout] test move_generator::tests::case_iterator_one_two ... ok
[INFO] [stdout] test move_generator::tests::case_iterator_first ... ok
[INFO] [stdout] test move_generator::tests::genmoves_knight_white_center ... ok
[INFO] [stdout] test move_generator::tests::genmoves_knight_white_top_right ... ok
[INFO] [stdout] test move_generator::tests::case_iterator_empty ... ok
[INFO] [stdout] test move_generator::tests::genmoves_knight_white_top_right_capture ... ok
[INFO] [stdout] test move_generator::tests::genmoves_knight_white_top_right_one_occupied_case ... ok
[INFO] [stdout] test move_generator::tests::genmoves_pawn_black_capture ... ok
[INFO] [stdout] test move_generator::tests::genmoves_pawn_white_capture ... ok
[INFO] [stdout] test move_generator::tests::genmoves_knights_white ... ok
[INFO] [stdout] test move_generator::tests::genmoves_rook_white ... ok
[INFO] [stdout] test move_generator::tests::genmoves_rook_white_capture ... ok
[INFO] [stdout] test move_generator::tests::genmoves_start ... ok
[INFO] [stdout] test tests::has_0_0 ... ok
[INFO] [stdout] test move_generator::tests::genmoves_rook_white_obstacle ... ok
[INFO] [stdout] test tests::has_1_0 ... ok
[INFO] [stdout] test tests::has_1_1 ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::has_empty ... ok
[INFO] [stdout] test tests::it_works2 ... ok
[INFO] [stdout] test tests::move_bank ... ok
[INFO] [stdout] test tests::parse ... ok
[INFO] [stdout] test tests::validate_pawn_w_quiet_move1 ... ok
[INFO] [stdout] test move_generator::tests::debug_illegalmove_e5d4 ... ok
[INFO] [stdout] test move_generator::tests::genmoves_bishop_white ... ok
[INFO] [stdout] test move_generator::tests::genmoves_knight_white_bottom_left ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1d963b9aad3c153624908551426d94654fa315e0684650dd8dcf6e84c6866047"`
[INFO] running `"docker" "rm" "-f" "1d963b9aad3c153624908551426d94654fa315e0684650dd8dcf6e84c6866047"`
[INFO] [stdout] 1d963b9aad3c153624908551426d94654fa315e0684650dd8dcf6e84c6866047