[INFO] updating cached repository hclarke/brace_checker
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hclarke/brace_checker
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hclarke/brace_checker" "work/ex/beta-1.38-1/sources/1.37.0/gh/hclarke/brace_checker"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/hclarke/brace_checker'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hclarke/brace_checker" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hclarke/brace_checker"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hclarke/brace_checker'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d3ce40557b6fbd6ec335fc121ffc9fd76c2768d1
[INFO] sha for GitHub repo hclarke/brace_checker: d3ce40557b6fbd6ec335fc121ffc9fd76c2768d1
[INFO] validating manifest of hclarke/brace_checker on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hclarke/brace_checker on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hclarke/brace_checker
[INFO] finished frobbing hclarke/brace_checker
[INFO] frobbed toml for hclarke/brace_checker written to work/ex/beta-1.38-1/sources/1.37.0/gh/hclarke/brace_checker/Cargo.toml
[INFO] started frobbing hclarke/brace_checker
[INFO] finished frobbing hclarke/brace_checker
[INFO] frobbed toml for hclarke/brace_checker written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hclarke/brace_checker/Cargo.toml
[INFO] crate hclarke/brace_checker already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/hclarke/brace_checker/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[INFO] the lockfile is outdated, regenerating it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" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing hclarke/brace_checker against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/hclarke/brace_checker:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 8664c338a5e5cd70a773da113937d2ff9398ce0aa4626bca5783a5edc67bb0f1
[INFO] running `"docker" "start" "-a" "8664c338a5e5cd70a773da113937d2ff9398ce0aa4626bca5783a5edc67bb0f1"`
[INFO] [stderr]    Compiling brace_checker v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "8664c338a5e5cd70a773da113937d2ff9398ce0aa4626bca5783a5edc67bb0f1"`
[INFO] running `"docker" "rm" "-f" "8664c338a5e5cd70a773da113937d2ff9398ce0aa4626bca5783a5edc67bb0f1"`
[INFO] [stdout] 8664c338a5e5cd70a773da113937d2ff9398ce0aa4626bca5783a5edc67bb0f1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/hclarke/brace_checker:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ddb831ec5d5963d0fd5112d9e61bbe0ba7df9c347dd00ef9572417b5f00c4c70
[INFO] running `"docker" "start" "-a" "ddb831ec5d5963d0fd5112d9e61bbe0ba7df9c347dd00ef9572417b5f00c4c70"`
[INFO] [stderr]    Compiling brace_checker v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "ddb831ec5d5963d0fd5112d9e61bbe0ba7df9c347dd00ef9572417b5f00c4c70"`
[INFO] running `"docker" "rm" "-f" "ddb831ec5d5963d0fd5112d9e61bbe0ba7df9c347dd00ef9572417b5f00c4c70"`
[INFO] [stdout] ddb831ec5d5963d0fd5112d9e61bbe0ba7df9c347dd00ef9572417b5f00c4c70
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/hclarke/brace_checker:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] b4d40c8957c75a11822bb538659789c5cc4285f1d247c6ef9c7ac13a9f27dfac
[INFO] running `"docker" "start" "-a" "b4d40c8957c75a11822bb538659789c5cc4285f1d247c6ef9c7ac13a9f27dfac"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/brace_checker-39f5b49c366b248e
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::check_empty ... ok
[INFO] [stdout] test tests::check_curly_open ... ok
[INFO] [stdout] test tests::check_missing_close ... ok
[INFO] [stdout] test tests::check_curly_close ... ok
[INFO] [stdout] test tests::check_missing_open ... ok
[INFO] [stdout] test tests::check_overindent ... ok
[INFO] [stdout] test tests::check_round ... ok
[INFO] [stdout] test tests::check_round_close ... ok
[INFO] [stdout] test tests::check_square_open ... ok
[INFO] [stdout] test tests::check_curly ... ok
[INFO] [stdout] test tests::check_underindent ... ok
[INFO] [stdout] test tests::check_square ... ok
[INFO] [stdout] test tests::check_square_close ... ok
[INFO] [stdout] test tests::check_round_open ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b4d40c8957c75a11822bb538659789c5cc4285f1d247c6ef9c7ac13a9f27dfac"`
[INFO] running `"docker" "rm" "-f" "b4d40c8957c75a11822bb538659789c5cc4285f1d247c6ef9c7ac13a9f27dfac"`
[INFO] [stdout] b4d40c8957c75a11822bb538659789c5cc4285f1d247c6ef9c7ac13a9f27dfac