Dec 18 17:36:40.183 INFO checking chess-2.0.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 17:36:40.183 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/chess/2.0.1:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 17:36:40.651 INFO [stdout] 8b29346b5bdc6e567b166e9e5fd4ebd201465ad7a7891d1e48f5ac0cc71e2c65
Dec 18 17:36:40.653 INFO running `"docker" "start" "-a" "8b29346b5bdc6e567b166e9e5fd4ebd201465ad7a7891d1e48f5ac0cc71e2c65"`
Dec 18 17:36:42.988 INFO [stderr]    Compiling libc v0.2.45
Dec 18 17:36:44.701 INFO [stderr]    Compiling rand v0.4.3
Dec 18 17:36:49.348 INFO [stderr]    Compiling chess v2.0.1 (/opt/crater/workdir)
Dec 18 17:36:50.300 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 17:36:50.301 INFO [stderr]    --> src/gen_tables/king.rs:96:5
Dec 18 17:36:50.301 INFO [stderr]     |
Dec 18 17:36:50.301 INFO [stderr] 96  | /     write!(
Dec 18 17:36:50.302 INFO [stderr] 97  | |         f,
Dec 18 17:36:50.302 INFO [stderr] 98  | |         "const CASTLE_MOVES: BitBoard = BitBoard({});\n",
Dec 18 17:36:50.302 INFO [stderr] 99  | |         gen_castle_moves().to_size(0)
Dec 18 17:36:50.302 INFO [stderr] 100 | |     );
Dec 18 17:36:50.303 INFO [stderr]     | |______^
Dec 18 17:36:50.303 INFO [stderr]     |
Dec 18 17:36:50.303 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 17:36:50.304 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 17:36:50.304 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 17:36:50.304 INFO [stderr] 
Dec 18 17:36:51.144 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 17:36:51.144 INFO [stderr]    --> src/gen_tables/pawns.rs:115:5
Dec 18 17:36:51.144 INFO [stderr]     |
Dec 18 17:36:51.145 INFO [stderr] 115 | /     write!(
Dec 18 17:36:51.145 INFO [stderr] 116 | |         f,
Dec 18 17:36:51.145 INFO [stderr] 117 | |         "const PAWN_SOURCE_DOUBLE_MOVES: BitBoard = BitBoard({0});\n",
Dec 18 17:36:51.145 INFO [stderr] 118 | |         gen_source_double_moves().to_size(0)
Dec 18 17:36:51.146 INFO [stderr] 119 | |     );
Dec 18 17:36:51.146 INFO [stderr]     | |______^
Dec 18 17:36:51.146 INFO [stderr]     |
Dec 18 17:36:51.146 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 17:36:51.147 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 17:36:51.147 INFO [stderr] 
Dec 18 17:36:51.147 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 17:36:51.148 INFO [stderr]    --> src/gen_tables/pawns.rs:121:5
Dec 18 17:36:51.148 INFO [stderr]     |
Dec 18 17:36:51.148 INFO [stderr] 121 | /     write!(
Dec 18 17:36:51.148 INFO [stderr] 122 | |         f,
Dec 18 17:36:51.149 INFO [stderr] 123 | |         "const PAWN_DEST_DOUBLE_MOVES: BitBoard = BitBoard({0});\n",
Dec 18 17:36:51.149 INFO [stderr] 124 | |         gen_dest_double_moves().to_size(0)
Dec 18 17:36:51.149 INFO [stderr] 125 | |     );
Dec 18 17:36:51.149 INFO [stderr]     | |______^
Dec 18 17:36:51.149 INFO [stderr]     |
Dec 18 17:36:51.150 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 17:36:51.150 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 17:36:51.150 INFO [stderr] 
Dec 18 17:37:10.318 INFO [stderr]     Finished dev [optimized + debuginfo] target(s) in 27.38s
Dec 18 17:37:11.554 INFO running `"docker" "inspect" "8b29346b5bdc6e567b166e9e5fd4ebd201465ad7a7891d1e48f5ac0cc71e2c65"`
Dec 18 17:37:11.880 INFO running `"docker" "rm" "-f" "8b29346b5bdc6e567b166e9e5fd4ebd201465ad7a7891d1e48f5ac0cc71e2c65"`
Dec 18 17:37:12.276 INFO [stdout] 8b29346b5bdc6e567b166e9e5fd4ebd201465ad7a7891d1e48f5ac0cc71e2c65