[INFO] updating cached repository bendowski/rust-hacker-rank
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bendowski/rust-hacker-rank
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bendowski/rust-hacker-rank" "work/ex/beta-1.37-6/sources/1.36.0/gh/bendowski/rust-hacker-rank"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/bendowski/rust-hacker-rank'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bendowski/rust-hacker-rank" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bendowski/rust-hacker-rank"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bendowski/rust-hacker-rank'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4a644ce5e606b3c2b1c830d3796cfd73081e111b
[INFO] sha for GitHub repo bendowski/rust-hacker-rank: 4a644ce5e606b3c2b1c830d3796cfd73081e111b
[INFO] validating manifest of bendowski/rust-hacker-rank on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bendowski/rust-hacker-rank on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bendowski/rust-hacker-rank
[INFO] finished frobbing bendowski/rust-hacker-rank
[INFO] frobbed toml for bendowski/rust-hacker-rank written to work/ex/beta-1.37-6/sources/1.36.0/gh/bendowski/rust-hacker-rank/Cargo.toml
[INFO] started frobbing bendowski/rust-hacker-rank
[INFO] finished frobbing bendowski/rust-hacker-rank
[INFO] frobbed toml for bendowski/rust-hacker-rank written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bendowski/rust-hacker-rank/Cargo.toml
[INFO] crate bendowski/rust-hacker-rank already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/bendowski/rust-hacker-rank/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing bendowski/rust-hacker-rank against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bendowski/rust-hacker-rank:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 4d1d8b36d2ab61ddd6fa96a0ed8e0b085155f255580d33246a37318c753d4c19
[INFO] running `"docker" "start" "-a" "4d1d8b36d2ab61ddd6fa96a0ed8e0b085155f255580d33246a37318c753d4c19"`
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling hacker-rank v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.76s
[INFO] running `"docker" "inspect" "4d1d8b36d2ab61ddd6fa96a0ed8e0b085155f255580d33246a37318c753d4c19"`
[INFO] running `"docker" "rm" "-f" "4d1d8b36d2ab61ddd6fa96a0ed8e0b085155f255580d33246a37318c753d4c19"`
[INFO] [stdout] 4d1d8b36d2ab61ddd6fa96a0ed8e0b085155f255580d33246a37318c753d4c19
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bendowski/rust-hacker-rank:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8a0cc51dc3a941584d5aa2dbe5ba9527e2c944d36d8edeed2a8ee66bb6539f92
[INFO] running `"docker" "start" "-a" "8a0cc51dc3a941584d5aa2dbe5ba9527e2c944d36d8edeed2a8ee66bb6539f92"`
[INFO] [stderr]    Compiling hacker-rank v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.37s
[INFO] running `"docker" "inspect" "8a0cc51dc3a941584d5aa2dbe5ba9527e2c944d36d8edeed2a8ee66bb6539f92"`
[INFO] running `"docker" "rm" "-f" "8a0cc51dc3a941584d5aa2dbe5ba9527e2c944d36d8edeed2a8ee66bb6539f92"`
[INFO] [stdout] 8a0cc51dc3a941584d5aa2dbe5ba9527e2c944d36d8edeed2a8ee66bb6539f92
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bendowski/rust-hacker-rank:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 48545b6f9371b5ed2fbd24e7670d60d75b8a2931f5f5a648834344fc2bf074d1
[INFO] running `"docker" "start" "-a" "48545b6f9371b5ed2fbd24e7670d60d75b8a2931f5f5a648834344fc2bf074d1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/a_very_big_sum-579a469e555aa387
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/diagonal_difference-3ebae0c04a055aa8
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/extra_long_factorials-61dbf77774648f47
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/library_fine-eb8c474b85d2e95e
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/plus_minus-a9740c0938630634
[INFO] [stderr]      Running /opt/crater/target/debug/deps/simple_array_sum-0a161f1dee2fbbf8
[INFO] [stderr]      Running /opt/crater/target/debug/deps/solve_me_first-df954266f92cc90f
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/solve_me_second-a240fa76bcc45879
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/staircase-1e1c7705bf56c47b
[INFO] [stderr]      Running /opt/crater/target/debug/deps/time_conversion-ba6757c77e076309
[INFO] running `"docker" "inspect" "48545b6f9371b5ed2fbd24e7670d60d75b8a2931f5f5a648834344fc2bf074d1"`
[INFO] running `"docker" "rm" "-f" "48545b6f9371b5ed2fbd24e7670d60d75b8a2931f5f5a648834344fc2bf074d1"`
[INFO] [stdout] 48545b6f9371b5ed2fbd24e7670d60d75b8a2931f5f5a648834344fc2bf074d1