Dec 18 03:10:09.814 INFO checking bobvandenberge/dammen-in-rust against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 03:10:09.814 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 03:10:10.092 INFO [stdout] 2e0d2ebcb4a21d3170a13dbef62b55cb23c16a5ed5a0851b30eee0fe9829f0b2
Dec 18 03:10:10.100 INFO running `"docker" "start" "-a" "2e0d2ebcb4a21d3170a13dbef62b55cb23c16a5ed5a0851b30eee0fe9829f0b2"`
Dec 18 03:10:11.654 INFO [stderr]     Checking memchr v2.0.1
Dec 18 03:10:11.994 INFO [stderr]     Checking aho-corasick v0.6.4
Dec 18 03:10:12.693 INFO [stderr]     Checking regex v0.2.11
Dec 18 03:10:14.954 INFO [stderr]     Checking dammen v0.1.0 (/opt/crater/workdir)
Dec 18 03:10:15.856 INFO [stderr] warning: variable does not need to be mutable
Dec 18 03:10:15.856 INFO [stderr]   --> src/core/bord.rs:89:13
Dec 18 03:10:15.856 INFO [stderr]    |
Dec 18 03:10:15.856 INFO [stderr] 89 |         let mut veld = &mut self.velden[index];
Dec 18 03:10:15.856 INFO [stderr]    |             ----^^^^
Dec 18 03:10:15.856 INFO [stderr]    |             |
Dec 18 03:10:15.856 INFO [stderr]    |             help: remove this `mut`
Dec 18 03:10:15.856 INFO [stderr]    |
Dec 18 03:10:15.856 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 03:10:15.856 INFO [stderr] 
Dec 18 03:10:15.892 INFO [stderr] warning: variable does not need to be mutable
Dec 18 03:10:15.892 INFO [stderr]   --> src/core/bord.rs:89:13
Dec 18 03:10:15.892 INFO [stderr]    |
Dec 18 03:10:15.892 INFO [stderr] 89 |         let mut veld = &mut self.velden[index];
Dec 18 03:10:15.892 INFO [stderr]    |             ----^^^^
Dec 18 03:10:15.892 INFO [stderr]    |             |
Dec 18 03:10:15.892 INFO [stderr]    |             help: remove this `mut`
Dec 18 03:10:15.892 INFO [stderr]    |
Dec 18 03:10:15.892 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 03:10:15.892 INFO [stderr] 
Dec 18 03:10:15.908 INFO [stderr] warning: variant is never constructed: `Dam`
Dec 18 03:10:15.908 INFO [stderr]   --> src/core/schijf.rs:19:5
Dec 18 03:10:15.908 INFO [stderr]    |
Dec 18 03:10:15.908 INFO [stderr] 19 |     Dam(SchijfKleur),
Dec 18 03:10:15.908 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 18 03:10:15.908 INFO [stderr]    |
Dec 18 03:10:15.908 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 03:10:15.908 INFO [stderr] 
Dec 18 03:10:15.908 INFO [stderr] warning: variant is never constructed: `BeurtBlijftGelijk`
Dec 18 03:10:15.908 INFO [stderr]   --> src/core/engine/mod.rs:13:5
Dec 18 03:10:15.908 INFO [stderr]    |
Dec 18 03:10:15.908 INFO [stderr] 13 |     BeurtBlijftGelijk,
Dec 18 03:10:15.908 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 18 03:10:15.908 INFO [stderr] 
Dec 18 03:10:15.916 INFO [stderr] warning: comparison is useless due to type limits
Dec 18 03:10:15.916 INFO [stderr]   --> src/core/bord.rs:49:28
Dec 18 03:10:15.916 INFO [stderr]    |
Dec 18 03:10:15.916 INFO [stderr] 49 |         if index >= 100 || index < 0 {
Dec 18 03:10:15.916 INFO [stderr]    |                            ^^^^^^^^^
Dec 18 03:10:15.916 INFO [stderr]    |
Dec 18 03:10:15.916 INFO [stderr]    = note: #[warn(unused_comparisons)] on by default
Dec 18 03:10:15.916 INFO [stderr] 
Dec 18 03:10:15.932 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:10:15.932 INFO [stderr]    --> src/core/engine/mod.rs:178:9
Dec 18 03:10:15.932 INFO [stderr]     |
Dec 18 03:10:15.932 INFO [stderr] 178 |         (*engine).voer_zet_uit(&SchijfKleur::Wit, &mut bord, &zet);
Dec 18 03:10:15.932 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:10:15.932 INFO [stderr]     |
Dec 18 03:10:15.932 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 03:10:15.932 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:10:15.932 INFO [stderr] 
Dec 18 03:10:15.932 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:10:15.932 INFO [stderr]    --> src/core/engine/mod.rs:185:9
Dec 18 03:10:15.932 INFO [stderr]     |
Dec 18 03:10:15.932 INFO [stderr] 185 |         (*engine).voer_zet_uit(&SchijfKleur::Zwart, &mut bord, &zet);
Dec 18 03:10:15.932 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:10:15.932 INFO [stderr]     |
Dec 18 03:10:15.932 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:10:15.932 INFO [stderr] 
Dec 18 03:10:15.932 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:10:15.932 INFO [stderr]    --> src/core/engine/mod.rs:206:9
Dec 18 03:10:15.932 INFO [stderr]     |
Dec 18 03:10:15.932 INFO [stderr] 206 |         (*engine).voer_zet_uit(&SchijfKleur::Wit, &mut bord, &zet);
Dec 18 03:10:15.932 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:10:15.932 INFO [stderr]     |
Dec 18 03:10:15.932 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:10:15.932 INFO [stderr] 
Dec 18 03:10:15.932 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:10:15.932 INFO [stderr]    --> src/core/engine/mod.rs:213:9
Dec 18 03:10:15.932 INFO [stderr]     |
Dec 18 03:10:15.932 INFO [stderr] 213 |         (*engine).voer_zet_uit(&SchijfKleur::Zwart, &mut bord, &zet);
Dec 18 03:10:15.932 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:10:15.932 INFO [stderr]     |
Dec 18 03:10:15.932 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:10:15.932 INFO [stderr] 
Dec 18 03:10:15.936 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:10:15.936 INFO [stderr]    --> src/core/engine/mod.rs:234:9
Dec 18 03:10:15.936 INFO [stderr]     |
Dec 18 03:10:15.936 INFO [stderr] 234 |         (*engine).voer_zet_uit(&SchijfKleur::Wit, &mut bord, &zet);
Dec 18 03:10:15.936 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:10:15.936 INFO [stderr]     |
Dec 18 03:10:15.936 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:10:15.936 INFO [stderr] 
Dec 18 03:10:15.936 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:10:15.936 INFO [stderr]    --> src/core/engine/mod.rs:241:9
Dec 18 03:10:15.936 INFO [stderr]     |
Dec 18 03:10:15.936 INFO [stderr] 241 |         (*engine).voer_zet_uit(&SchijfKleur::Zwart, &mut bord, &zet);
Dec 18 03:10:15.936 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:10:15.936 INFO [stderr]     |
Dec 18 03:10:15.936 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:10:15.936 INFO [stderr] 
Dec 18 03:10:15.959 INFO [stderr] warning: variant is never constructed: `Dam`
Dec 18 03:10:15.959 INFO [stderr]   --> src/core/schijf.rs:19:5
Dec 18 03:10:15.959 INFO [stderr]    |
Dec 18 03:10:15.959 INFO [stderr] 19 |     Dam(SchijfKleur),
Dec 18 03:10:15.959 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 18 03:10:15.959 INFO [stderr]    |
Dec 18 03:10:15.959 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 03:10:15.959 INFO [stderr] 
Dec 18 03:10:15.959 INFO [stderr] warning: method is never used: `new`
Dec 18 03:10:15.959 INFO [stderr]    --> src/core/engine/regels.rs:129:5
Dec 18 03:10:15.959 INFO [stderr]     |
Dec 18 03:10:15.959 INFO [stderr] 129 |     pub fn new(geslagen_schijf_positie: u32, eind_positie: u32) -> SlagOptie {
Dec 18 03:10:15.959 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:10:15.959 INFO [stderr] 
Dec 18 03:10:15.959 INFO [stderr] warning: variant is never constructed: `BeurtBlijftGelijk`
Dec 18 03:10:15.959 INFO [stderr]   --> src/core/engine/mod.rs:13:5
Dec 18 03:10:15.959 INFO [stderr]    |
Dec 18 03:10:15.959 INFO [stderr] 13 |     BeurtBlijftGelijk,
Dec 18 03:10:15.959 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 18 03:10:15.959 INFO [stderr] 
Dec 18 03:10:15.959 INFO [stderr] warning: comparison is useless due to type limits
Dec 18 03:10:15.959 INFO [stderr]   --> src/core/bord.rs:49:28
Dec 18 03:10:15.959 INFO [stderr]    |
Dec 18 03:10:15.959 INFO [stderr] 49 |         if index >= 100 || index < 0 {
Dec 18 03:10:15.959 INFO [stderr]    |                            ^^^^^^^^^
Dec 18 03:10:15.959 INFO [stderr]    |
Dec 18 03:10:15.959 INFO [stderr]    = note: #[warn(unused_comparisons)] on by default
Dec 18 03:10:15.959 INFO [stderr] 
Dec 18 03:10:16.060 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.48s
Dec 18 03:10:16.927 INFO running `"docker" "inspect" "2e0d2ebcb4a21d3170a13dbef62b55cb23c16a5ed5a0851b30eee0fe9829f0b2"`
Dec 18 03:10:17.238 INFO running `"docker" "rm" "-f" "2e0d2ebcb4a21d3170a13dbef62b55cb23c16a5ed5a0851b30eee0fe9829f0b2"`
Dec 18 03:10:17.544 INFO [stdout] 2e0d2ebcb4a21d3170a13dbef62b55cb23c16a5ed5a0851b30eee0fe9829f0b2