Dec 19 19:42:53.919 INFO checking bobvandenberge/dammen-in-rust against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 19:42:53.919 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/bobvandenberge/dammen-in-rust:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 19:42:54.362 INFO [stdout] 9f7a098c3a1401dc8bd220df9c216a951c888bad37f031c66be2e0b6d7edb1ec
Dec 19 19:42:54.364 INFO running `"docker" "start" "-a" "9f7a098c3a1401dc8bd220df9c216a951c888bad37f031c66be2e0b6d7edb1ec"`
Dec 19 19:42:56.189 INFO [stderr]     Checking memchr v2.0.1
Dec 19 19:42:56.658 INFO [stderr]     Checking aho-corasick v0.6.4
Dec 19 19:42:57.315 INFO [stderr]     Checking regex v0.2.11
Dec 19 19:42:59.414 INFO [stderr]     Checking dammen v0.1.0 (/opt/crater/workdir)
Dec 19 19:43:00.206 INFO [stderr] warning: variable does not need to be mutable
Dec 19 19:43:00.206 INFO [stderr]   --> src/core/bord.rs:89:13
Dec 19 19:43:00.207 INFO [stderr]    |
Dec 19 19:43:00.207 INFO [stderr] 89 |         let mut veld = &mut self.velden[index];
Dec 19 19:43:00.207 INFO [stderr]    |             ----^^^^
Dec 19 19:43:00.207 INFO [stderr]    |             |
Dec 19 19:43:00.208 INFO [stderr]    |             help: remove this `mut`
Dec 19 19:43:00.208 INFO [stderr]    |
Dec 19 19:43:00.208 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 19:43:00.209 INFO [stderr] 
Dec 19 19:43:00.268 INFO [stderr] warning: variant is never constructed: `Dam`
Dec 19 19:43:00.268 INFO [stderr]   --> src/core/schijf.rs:19:5
Dec 19 19:43:00.269 INFO [stderr]    |
Dec 19 19:43:00.269 INFO [stderr] 19 |     Dam(SchijfKleur),
Dec 19 19:43:00.269 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 19:43:00.270 INFO [stderr]    |
Dec 19 19:43:00.270 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 19:43:00.270 INFO [stderr] 
Dec 19 19:43:00.271 INFO [stderr] warning: method is never used: `new`
Dec 19 19:43:00.271 INFO [stderr]    --> src/core/engine/regels.rs:129:5
Dec 19 19:43:00.271 INFO [stderr]     |
Dec 19 19:43:00.271 INFO [stderr] 129 |     pub fn new(geslagen_schijf_positie: u32, eind_positie: u32) -> SlagOptie {
Dec 19 19:43:00.272 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:43:00.272 INFO [stderr] 
Dec 19 19:43:00.272 INFO [stderr] warning: variant is never constructed: `BeurtBlijftGelijk`
Dec 19 19:43:00.273 INFO [stderr]   --> src/core/engine/mod.rs:13:5
Dec 19 19:43:00.273 INFO [stderr]    |
Dec 19 19:43:00.273 INFO [stderr] 13 |     BeurtBlijftGelijk,
Dec 19 19:43:00.273 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 19 19:43:00.274 INFO [stderr] 
Dec 19 19:43:00.275 INFO [stderr] warning: comparison is useless due to type limits
Dec 19 19:43:00.275 INFO [stderr]   --> src/core/bord.rs:49:28
Dec 19 19:43:00.276 INFO [stderr]    |
Dec 19 19:43:00.276 INFO [stderr] 49 |         if index >= 100 || index < 0 {
Dec 19 19:43:00.276 INFO [stderr]    |                            ^^^^^^^^^
Dec 19 19:43:00.276 INFO [stderr]    |
Dec 19 19:43:00.276 INFO [stderr]    = note: #[warn(unused_comparisons)] on by default
Dec 19 19:43:00.276 INFO [stderr] 
Dec 19 19:43:00.564 INFO [stderr] warning: variable does not need to be mutable
Dec 19 19:43:00.564 INFO [stderr]   --> src/core/bord.rs:89:13
Dec 19 19:43:00.564 INFO [stderr]    |
Dec 19 19:43:00.564 INFO [stderr] 89 |         let mut veld = &mut self.velden[index];
Dec 19 19:43:00.564 INFO [stderr]    |             ----^^^^
Dec 19 19:43:00.564 INFO [stderr]    |             |
Dec 19 19:43:00.564 INFO [stderr]    |             help: remove this `mut`
Dec 19 19:43:00.564 INFO [stderr]    |
Dec 19 19:43:00.564 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 19:43:00.564 INFO [stderr] 
Dec 19 19:43:00.623 INFO [stderr] warning: variant is never constructed: `Dam`
Dec 19 19:43:00.624 INFO [stderr]   --> src/core/schijf.rs:19:5
Dec 19 19:43:00.624 INFO [stderr]    |
Dec 19 19:43:00.624 INFO [stderr] 19 |     Dam(SchijfKleur),
Dec 19 19:43:00.624 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 19:43:00.624 INFO [stderr]    |
Dec 19 19:43:00.624 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 19:43:00.624 INFO [stderr] 
Dec 19 19:43:00.624 INFO [stderr] warning: variant is never constructed: `BeurtBlijftGelijk`
Dec 19 19:43:00.624 INFO [stderr]   --> src/core/engine/mod.rs:13:5
Dec 19 19:43:00.624 INFO [stderr]    |
Dec 19 19:43:00.624 INFO [stderr] 13 |     BeurtBlijftGelijk,
Dec 19 19:43:00.624 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 19 19:43:00.624 INFO [stderr] 
Dec 19 19:43:00.627 INFO [stderr] warning: comparison is useless due to type limits
Dec 19 19:43:00.627 INFO [stderr]   --> src/core/bord.rs:49:28
Dec 19 19:43:00.627 INFO [stderr]    |
Dec 19 19:43:00.627 INFO [stderr] 49 |         if index >= 100 || index < 0 {
Dec 19 19:43:00.627 INFO [stderr]    |                            ^^^^^^^^^
Dec 19 19:43:00.627 INFO [stderr]    |
Dec 19 19:43:00.627 INFO [stderr]    = note: #[warn(unused_comparisons)] on by default
Dec 19 19:43:00.627 INFO [stderr] 
Dec 19 19:43:00.633 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:43:00.633 INFO [stderr]    --> src/core/engine/mod.rs:178:9
Dec 19 19:43:00.633 INFO [stderr]     |
Dec 19 19:43:00.634 INFO [stderr] 178 |         (*engine).voer_zet_uit(&SchijfKleur::Wit, &mut bord, &zet);
Dec 19 19:43:00.634 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:43:00.634 INFO [stderr]     |
Dec 19 19:43:00.634 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 19:43:00.634 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:43:00.634 INFO [stderr] 
Dec 19 19:43:00.634 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:43:00.634 INFO [stderr]    --> src/core/engine/mod.rs:185:9
Dec 19 19:43:00.634 INFO [stderr]     |
Dec 19 19:43:00.634 INFO [stderr] 185 |         (*engine).voer_zet_uit(&SchijfKleur::Zwart, &mut bord, &zet);
Dec 19 19:43:00.634 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:43:00.634 INFO [stderr]     |
Dec 19 19:43:00.634 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:43:00.634 INFO [stderr] 
Dec 19 19:43:00.634 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:43:00.634 INFO [stderr]    --> src/core/engine/mod.rs:206:9
Dec 19 19:43:00.634 INFO [stderr]     |
Dec 19 19:43:00.634 INFO [stderr] 206 |         (*engine).voer_zet_uit(&SchijfKleur::Wit, &mut bord, &zet);
Dec 19 19:43:00.634 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:43:00.634 INFO [stderr]     |
Dec 19 19:43:00.634 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:43:00.634 INFO [stderr] 
Dec 19 19:43:00.634 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:43:00.634 INFO [stderr]    --> src/core/engine/mod.rs:213:9
Dec 19 19:43:00.634 INFO [stderr]     |
Dec 19 19:43:00.634 INFO [stderr] 213 |         (*engine).voer_zet_uit(&SchijfKleur::Zwart, &mut bord, &zet);
Dec 19 19:43:00.634 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:43:00.634 INFO [stderr]     |
Dec 19 19:43:00.634 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:43:00.634 INFO [stderr] 
Dec 19 19:43:00.634 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:43:00.634 INFO [stderr]    --> src/core/engine/mod.rs:234:9
Dec 19 19:43:00.634 INFO [stderr]     |
Dec 19 19:43:00.634 INFO [stderr] 234 |         (*engine).voer_zet_uit(&SchijfKleur::Wit, &mut bord, &zet);
Dec 19 19:43:00.634 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:43:00.634 INFO [stderr]     |
Dec 19 19:43:00.634 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:43:00.634 INFO [stderr] 
Dec 19 19:43:00.634 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:43:00.634 INFO [stderr]    --> src/core/engine/mod.rs:241:9
Dec 19 19:43:00.634 INFO [stderr]     |
Dec 19 19:43:00.634 INFO [stderr] 241 |         (*engine).voer_zet_uit(&SchijfKleur::Zwart, &mut bord, &zet);
Dec 19 19:43:00.634 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:43:00.634 INFO [stderr]     |
Dec 19 19:43:00.634 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:43:00.634 INFO [stderr] 
Dec 19 19:43:00.706 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.56s
Dec 19 19:43:02.322 INFO running `"docker" "inspect" "9f7a098c3a1401dc8bd220df9c216a951c888bad37f031c66be2e0b6d7edb1ec"`
Dec 19 19:43:02.572 INFO running `"docker" "rm" "-f" "9f7a098c3a1401dc8bd220df9c216a951c888bad37f031c66be2e0b6d7edb1ec"`
Dec 19 19:43:02.940 INFO [stdout] 9f7a098c3a1401dc8bd220df9c216a951c888bad37f031c66be2e0b6d7edb1ec