[INFO] fetching crate shakmaty 0.13.0...
[INFO] extracting crate shakmaty 0.13.0 into work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/shakmaty/0.13.0
[INFO] extracting crate shakmaty 0.13.0 into work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/shakmaty/0.13.0
[INFO] validating manifest of shakmaty-0.13.0 on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of shakmaty-0.13.0 on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing shakmaty-0.13.0
[INFO] finished frobbing shakmaty-0.13.0
[INFO] frobbed toml for shakmaty-0.13.0 written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/shakmaty/0.13.0/Cargo.toml
[INFO] started frobbing shakmaty-0.13.0
[INFO] finished frobbing shakmaty-0.13.0
[INFO] frobbed toml for shakmaty-0.13.0 written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/shakmaty/0.13.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking shakmaty-0.13.0 against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-7/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/shakmaty/0.13.0:/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=forbid" "-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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 18b6299cf1c5b381d1e3ea45a8f6dc1e94c1d13bb64a3c23c50fdf227f808af0
[INFO] running `"docker" "start" "-a" "18b6299cf1c5b381d1e3ea45a8f6dc1e94c1d13bb64a3c23c50fdf227f808af0"`
[INFO] [stderr]    Compiling shakmaty v0.13.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking criterion v0.2.10
[INFO] [stderr] warning: unused import: `btoi`
[INFO] [stderr]   --> src/lib.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 | use btoi;
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `btoi`
[INFO] [stderr]   --> src/lib.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 | use btoi;
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `criterion_group!` in this scope
[INFO] [stderr]    --> benches/benches.rs:123:1
[INFO] [stderr]     |
[INFO] [stderr] 123 | criterion_group!(benches,
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `criterion_main!` in this scope
[INFO] [stderr]    --> benches/benches.rs:133:1
[INFO] [stderr]     |
[INFO] [stderr] 133 | criterion_main!(benches);
[INFO] [stderr]     | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0601]: `main` function not found in crate `benches`
[INFO] [stderr]   |
[INFO] [stderr]   = note: consider adding a `main` function to `benches/benches.rs`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0601`.
[INFO] [stderr] error: Could not compile `shakmaty`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "18b6299cf1c5b381d1e3ea45a8f6dc1e94c1d13bb64a3c23c50fdf227f808af0"`
[INFO] running `"docker" "rm" "-f" "18b6299cf1c5b381d1e3ea45a8f6dc1e94c1d13bb64a3c23c50fdf227f808af0"`
[INFO] [stdout] 18b6299cf1c5b381d1e3ea45a8f6dc1e94c1d13bb64a3c23c50fdf227f808af0