[INFO] cloning repository AzenForze/RankedPairs
[INFO] running `"git" "clone" "--bare" "git://github.com/AzenForze/RankedPairs.git" "work/cache/sources/gh/AzenForze/RankedPairs"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/AzenForze/RankedPairs'...
[INFO] running `"git" "clone" "work/cache/sources/gh/AzenForze/RankedPairs" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/AzenForze/RankedPairs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/AzenForze/RankedPairs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AzenForze/RankedPairs" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/AzenForze/RankedPairs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/AzenForze/RankedPairs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 740b4c8508d02a8238a64e8c1ce77c7ab22c5723
[INFO] sha for GitHub repo AzenForze/RankedPairs: 740b4c8508d02a8238a64e8c1ce77c7ab22c5723
[INFO] validating manifest of AzenForze/RankedPairs on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of AzenForze/RankedPairs on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing AzenForze/RankedPairs
[INFO] finished frobbing AzenForze/RankedPairs
[INFO] frobbed toml for AzenForze/RankedPairs written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/AzenForze/RankedPairs/Cargo.toml
[INFO] started frobbing AzenForze/RankedPairs
[INFO] finished frobbing AzenForze/RankedPairs
[INFO] frobbed toml for AzenForze/RankedPairs written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/AzenForze/RankedPairs/Cargo.toml
[INFO] crate AzenForze/RankedPairs has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking AzenForze/RankedPairs against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-7/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5f8c9e2e4716c9d05426c1a5c09bc90e2a49a80f1bd71f4abfd6597fd6978a6b
[INFO] running `"docker" "start" "-a" "5f8c9e2e4716c9d05426c1a5c09bc90e2a49a80f1bd71f4abfd6597fd6978a6b"`
[INFO] [stderr]     Checking ranked_pairs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `or_insert`
[INFO] [stderr]    --> src/table.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 163 | /     pub fn or_insert(self, val: V) -> &'a mut V
[INFO] [stderr] 164 | |         where
[INFO] [stderr] 165 | |         R: Borrow<Q>,
[INFO] [stderr] 166 | |         C: Borrow<U>,
[INFO] [stderr] ...   |
[INFO] [stderr] 174 | |         }
[INFO] [stderr] 175 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `or_insert`
[INFO] [stderr]    --> src/table.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 163 | /     pub fn or_insert(self, val: V) -> &'a mut V
[INFO] [stderr] 164 | |         where
[INFO] [stderr] 165 | |         R: Borrow<Q>,
[INFO] [stderr] 166 | |         C: Borrow<U>,
[INFO] [stderr] ...   |
[INFO] [stderr] 174 | |         }
[INFO] [stderr] 175 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `RankedPairsTests` should have a snake case name
[INFO] [stderr]    --> src/ranked_pairs.rs:110:5
[INFO] [stderr]     |
[INFO] [stderr] 110 | mod RankedPairsTests
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `ranked_pairs_tests`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "5f8c9e2e4716c9d05426c1a5c09bc90e2a49a80f1bd71f4abfd6597fd6978a6b"`
[INFO] running `"docker" "rm" "-f" "5f8c9e2e4716c9d05426c1a5c09bc90e2a49a80f1bd71f4abfd6597fd6978a6b"`
[INFO] [stdout] 5f8c9e2e4716c9d05426c1a5c09bc90e2a49a80f1bd71f4abfd6597fd6978a6b