Nov 28 14:29:08.450 INFO checking AzenForze/RankedPairs against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 14:29:08.451 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 28 14:29:08.913 INFO [stdout] 3e67004f9c473b5f4c1f179ed204c5d876a2ff3373c4bec018aab1b93ce7864b
Nov 28 14:29:08.915 INFO running `"docker" "start" "-a" "3e67004f9c473b5f4c1f179ed204c5d876a2ff3373c4bec018aab1b93ce7864b"`
Nov 28 14:29:11.401 INFO [stderr] usermod: no changes
Nov 28 14:29:11.456 INFO [stderr]     Checking ranked_pairs v0.1.0 (/source)
Nov 28 14:29:12.538 INFO [stderr] warning: method is never used: `or_insert`
Nov 28 14:29:12.538 INFO [stderr]    --> src/table.rs:163:5
Nov 28 14:29:12.539 INFO [stderr]     |
Nov 28 14:29:12.540 INFO [stderr] 163 | /     pub fn or_insert(self, val: V) -> &'a mut V
Nov 28 14:29:12.540 INFO [stderr] 164 | |         where
Nov 28 14:29:12.541 INFO [stderr] 165 | |         R: Borrow<Q>,
Nov 28 14:29:12.542 INFO [stderr] 166 | |         C: Borrow<U>,
Nov 28 14:29:12.542 INFO [stderr] ...   |
Nov 28 14:29:12.543 INFO [stderr] 174 | |         }
Nov 28 14:29:12.544 INFO [stderr] 175 | |     }
Nov 28 14:29:12.544 INFO [stderr]     | |_____^
Nov 28 14:29:12.545 INFO [stderr]     |
Nov 28 14:29:12.546 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 28 14:29:12.546 INFO [stderr] 
Nov 28 14:29:12.733 INFO [stderr] warning: method is never used: `or_insert`
Nov 28 14:29:12.734 INFO [stderr]    --> src/table.rs:163:5
Nov 28 14:29:12.735 INFO [stderr]     |
Nov 28 14:29:12.735 INFO [stderr] 163 | /     pub fn or_insert(self, val: V) -> &'a mut V
Nov 28 14:29:12.736 INFO [stderr] 164 | |         where
Nov 28 14:29:12.736 INFO [stderr] 165 | |         R: Borrow<Q>,
Nov 28 14:29:12.736 INFO [stderr] 166 | |         C: Borrow<U>,
Nov 28 14:29:12.736 INFO [stderr] ...   |
Nov 28 14:29:12.736 INFO [stderr] 174 | |         }
Nov 28 14:29:12.736 INFO [stderr] 175 | |     }
Nov 28 14:29:12.736 INFO [stderr]     | |_____^
Nov 28 14:29:12.736 INFO [stderr]     |
Nov 28 14:29:12.736 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 28 14:29:12.736 INFO [stderr] 
Nov 28 14:29:12.739 INFO [stderr] warning: module `RankedPairsTests` should have a snake case name such as `ranked_pairs_tests`
Nov 28 14:29:12.739 INFO [stderr]    --> src/ranked_pairs.rs:110:1
Nov 28 14:29:12.739 INFO [stderr]     |
Nov 28 14:29:12.740 INFO [stderr] 110 | / mod RankedPairsTests
Nov 28 14:29:12.740 INFO [stderr] 111 | | {
Nov 28 14:29:12.740 INFO [stderr] 112 | |     use super::*;
Nov 28 14:29:12.740 INFO [stderr] 113 | |
Nov 28 14:29:12.740 INFO [stderr] ...   |
Nov 28 14:29:12.740 INFO [stderr] 180 | |     }
Nov 28 14:29:12.740 INFO [stderr] 181 | | }
Nov 28 14:29:12.740 INFO [stderr]     | |_^
Nov 28 14:29:12.740 INFO [stderr]     |
Nov 28 14:29:12.740 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Nov 28 14:29:12.740 INFO [stderr] 
Nov 28 14:29:12.790 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
Nov 28 14:29:12.793 INFO [stderr] su: No module specific data is present
Nov 28 14:29:14.106 INFO running `"docker" "inspect" "3e67004f9c473b5f4c1f179ed204c5d876a2ff3373c4bec018aab1b93ce7864b"`
Nov 28 14:29:14.454 INFO running `"docker" "rm" "-f" "3e67004f9c473b5f4c1f179ed204c5d876a2ff3373c4bec018aab1b93ce7864b"`
Nov 28 14:29:14.837 INFO [stdout] 3e67004f9c473b5f4c1f179ed204c5d876a2ff3373c4bec018aab1b93ce7864b