Dec 18 08:28:09.222 INFO checking AzenForze/RankedPairs against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 08:28:09.223 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/AzenForze/RankedPairs:/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 08:28:09.886 INFO [stdout] 7459804b19fe3084d4efc280cb3f1fe4dad21facc5e182043290e7a20538acf1
Dec 18 08:28:09.892 INFO running `"docker" "start" "-a" "7459804b19fe3084d4efc280cb3f1fe4dad21facc5e182043290e7a20538acf1"`
Dec 18 08:28:11.384 INFO [stderr]     Checking ranked_pairs v0.1.0 (/opt/crater/workdir)
Dec 18 08:28:12.020 INFO [stderr] warning: method is never used: `or_insert`
Dec 18 08:28:12.020 INFO [stderr]    --> src/table.rs:163:5
Dec 18 08:28:12.020 INFO [stderr]     |
Dec 18 08:28:12.020 INFO [stderr] 163 | /     pub fn or_insert(self, val: V) -> &'a mut V
Dec 18 08:28:12.020 INFO [stderr] 164 | |         where
Dec 18 08:28:12.020 INFO [stderr] 165 | |         R: Borrow<Q>,
Dec 18 08:28:12.020 INFO [stderr] 166 | |         C: Borrow<U>,
Dec 18 08:28:12.020 INFO [stderr] ...   |
Dec 18 08:28:12.020 INFO [stderr] 174 | |         }
Dec 18 08:28:12.020 INFO [stderr] 175 | |     }
Dec 18 08:28:12.020 INFO [stderr]     | |_____^
Dec 18 08:28:12.020 INFO [stderr]     |
Dec 18 08:28:12.020 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 08:28:12.020 INFO [stderr] 
Dec 18 08:28:12.020 INFO [stderr] warning: module `RankedPairsTests` should have a snake case name such as `ranked_pairs_tests`
Dec 18 08:28:12.020 INFO [stderr]    --> src/ranked_pairs.rs:110:1
Dec 18 08:28:12.020 INFO [stderr]     |
Dec 18 08:28:12.020 INFO [stderr] 110 | / mod RankedPairsTests
Dec 18 08:28:12.020 INFO [stderr] 111 | | {
Dec 18 08:28:12.020 INFO [stderr] 112 | |     use super::*;
Dec 18 08:28:12.020 INFO [stderr] 113 | |
Dec 18 08:28:12.020 INFO [stderr] ...   |
Dec 18 08:28:12.020 INFO [stderr] 180 | |     }
Dec 18 08:28:12.020 INFO [stderr] 181 | | }
Dec 18 08:28:12.021 INFO [stderr]     | |_^
Dec 18 08:28:12.021 INFO [stderr]     |
Dec 18 08:28:12.021 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 18 08:28:12.021 INFO [stderr] 
Dec 18 08:28:12.258 INFO [stderr] warning: method is never used: `or_insert`
Dec 18 08:28:12.258 INFO [stderr]    --> src/table.rs:163:5
Dec 18 08:28:12.258 INFO [stderr]     |
Dec 18 08:28:12.258 INFO [stderr] 163 | /     pub fn or_insert(self, val: V) -> &'a mut V
Dec 18 08:28:12.258 INFO [stderr] 164 | |         where
Dec 18 08:28:12.258 INFO [stderr] 165 | |         R: Borrow<Q>,
Dec 18 08:28:12.258 INFO [stderr] 166 | |         C: Borrow<U>,
Dec 18 08:28:12.258 INFO [stderr] ...   |
Dec 18 08:28:12.258 INFO [stderr] 174 | |         }
Dec 18 08:28:12.258 INFO [stderr] 175 | |     }
Dec 18 08:28:12.258 INFO [stderr]     | |_____^
Dec 18 08:28:12.258 INFO [stderr]     |
Dec 18 08:28:12.258 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 08:28:12.258 INFO [stderr] 
Dec 18 08:28:12.300 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
Dec 18 08:28:13.003 INFO running `"docker" "inspect" "7459804b19fe3084d4efc280cb3f1fe4dad21facc5e182043290e7a20538acf1"`
Dec 18 08:28:13.360 INFO running `"docker" "rm" "-f" "7459804b19fe3084d4efc280cb3f1fe4dad21facc5e182043290e7a20538acf1"`
Dec 18 08:28:13.684 INFO [stdout] 7459804b19fe3084d4efc280cb3f1fe4dad21facc5e182043290e7a20538acf1