[INFO] updating cached repository atsiporu/braces
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/atsiporu/braces
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/atsiporu/braces" "work/ex/beta-1.37-6/sources/1.36.0/gh/atsiporu/braces"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/atsiporu/braces'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/atsiporu/braces" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/atsiporu/braces"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/atsiporu/braces'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 266de26eb11a95383e4d4482c87ae2c736c6b586
[INFO] sha for GitHub repo atsiporu/braces: 266de26eb11a95383e4d4482c87ae2c736c6b586
[INFO] validating manifest of atsiporu/braces 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 atsiporu/braces 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 atsiporu/braces
[INFO] finished frobbing atsiporu/braces
[INFO] frobbed toml for atsiporu/braces written to work/ex/beta-1.37-6/sources/1.36.0/gh/atsiporu/braces/Cargo.toml
[INFO] started frobbing atsiporu/braces
[INFO] finished frobbing atsiporu/braces
[INFO] frobbed toml for atsiporu/braces written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/atsiporu/braces/Cargo.toml
[INFO] crate atsiporu/braces 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing atsiporu/braces 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-3/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/atsiporu/braces:/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] 4de1dc928153a2f98d7adbb36d9733e371930d47d1aa9d342f747e90d6babc6e
[INFO] running `"docker" "start" "-a" "4de1dc928153a2f98d7adbb36d9733e371930d47d1aa9d342f747e90d6babc6e"`
[INFO] [stderr]    Compiling braces v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:53:50
[INFO] [stderr]    |
[INFO] [stderr] 53 |             (State::Pair(oi, idx), std::cmp::max((idx-oi+1), largest))
[INFO] [stderr]    |                                                  ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "4de1dc928153a2f98d7adbb36d9733e371930d47d1aa9d342f747e90d6babc6e"`
[INFO] running `"docker" "rm" "-f" "4de1dc928153a2f98d7adbb36d9733e371930d47d1aa9d342f747e90d6babc6e"`
[INFO] [stdout] 4de1dc928153a2f98d7adbb36d9733e371930d47d1aa9d342f747e90d6babc6e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/atsiporu/braces:/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] 4025b3a8d032c1e15127f4ee7e58582059d7505aaba2bf3dc60630dc8726944d
[INFO] running `"docker" "start" "-a" "4025b3a8d032c1e15127f4ee7e58582059d7505aaba2bf3dc60630dc8726944d"`
[INFO] [stderr]    Compiling braces v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:53:50
[INFO] [stderr]    |
[INFO] [stderr] 53 |             (State::Pair(oi, idx), std::cmp::max((idx-oi+1), largest))
[INFO] [stderr]    |                                                  ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "4025b3a8d032c1e15127f4ee7e58582059d7505aaba2bf3dc60630dc8726944d"`
[INFO] running `"docker" "rm" "-f" "4025b3a8d032c1e15127f4ee7e58582059d7505aaba2bf3dc60630dc8726944d"`
[INFO] [stdout] 4025b3a8d032c1e15127f4ee7e58582059d7505aaba2bf3dc60630dc8726944d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/atsiporu/braces:/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] cabc7f339ee32b5d2117bd7a30665ae1c17d7f7141b38413178118928197971f
[INFO] running `"docker" "start" "-a" "cabc7f339ee32b5d2117bd7a30665ae1c17d7f7141b38413178118928197971f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/braces-3e9f86f0e8fd20d7
[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] running `"docker" "inspect" "cabc7f339ee32b5d2117bd7a30665ae1c17d7f7141b38413178118928197971f"`
[INFO] running `"docker" "rm" "-f" "cabc7f339ee32b5d2117bd7a30665ae1c17d7f7141b38413178118928197971f"`
[INFO] [stdout] cabc7f339ee32b5d2117bd7a30665ae1c17d7f7141b38413178118928197971f