[INFO] updating cached repository getreu/stringsext
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/getreu/stringsext
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/getreu/stringsext" "work/ex/beta-1.38-1/sources/1.37.0/gh/getreu/stringsext"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/getreu/stringsext'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/getreu/stringsext" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/getreu/stringsext"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/getreu/stringsext'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ac8e8aa1275ae964b8aafcb17f6249156f781a97
[INFO] sha for GitHub repo getreu/stringsext: ac8e8aa1275ae964b8aafcb17f6249156f781a97
[INFO] validating manifest of getreu/stringsext 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 getreu/stringsext 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 getreu/stringsext
[INFO] finished frobbing getreu/stringsext
[INFO] frobbed toml for getreu/stringsext written to work/ex/beta-1.38-1/sources/1.37.0/gh/getreu/stringsext/Cargo.toml
[INFO] started frobbing getreu/stringsext
[INFO] finished frobbing getreu/stringsext
[INFO] frobbed toml for getreu/stringsext written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/getreu/stringsext/Cargo.toml
[INFO] crate getreu/stringsext 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing getreu/stringsext 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/getreu/stringsext:/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] 83922526dfb6ec97b2eba52d39e5230027c35a1c4988fd0e70b40e70af0eb2af
[INFO] running `"docker" "start" "-a" "83922526dfb6ec97b2eba52d39e5230027c35a1c4988fd0e70b40e70af0eb2af"`
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling docopt v1.0.2
[INFO] [stderr]    Compiling stringsext v1.7.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.49s
[INFO] running `"docker" "inspect" "83922526dfb6ec97b2eba52d39e5230027c35a1c4988fd0e70b40e70af0eb2af"`
[INFO] running `"docker" "rm" "-f" "83922526dfb6ec97b2eba52d39e5230027c35a1c4988fd0e70b40e70af0eb2af"`
[INFO] [stdout] 83922526dfb6ec97b2eba52d39e5230027c35a1c4988fd0e70b40e70af0eb2af
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/getreu/stringsext:/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] bcda960478bcfa53fc5ec9fcb91386a3ce46c7a8ab2d6f08f35e829c774f01dc
[INFO] running `"docker" "start" "-a" "bcda960478bcfa53fc5ec9fcb91386a3ce46c7a8ab2d6f08f35e829c774f01dc"`
[INFO] [stderr]    Compiling stringsext v1.7.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.67s
[INFO] running `"docker" "inspect" "bcda960478bcfa53fc5ec9fcb91386a3ce46c7a8ab2d6f08f35e829c774f01dc"`
[INFO] running `"docker" "rm" "-f" "bcda960478bcfa53fc5ec9fcb91386a3ce46c7a8ab2d6f08f35e829c774f01dc"`
[INFO] [stdout] bcda960478bcfa53fc5ec9fcb91386a3ce46c7a8ab2d6f08f35e829c774f01dc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/getreu/stringsext:/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] e7a1529dfa487069b34512eba74170a6fa0f6d879411f9fe83cfa1f5ff771044
[INFO] running `"docker" "start" "-a" "e7a1529dfa487069b34512eba74170a6fa0f6d879411f9fe83cfa1f5ff771044"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/stringsext-fe1a5b3281bbb008
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test helper::test_iterator_adaptor_identify_first_last ... ok
[INFO] [stderr] Warning: range in `ascii,10,U+41..U+67` extended to range `U+40..U+7f`.
[INFO] [stderr] Warning: range in `ascii,10,U+61..U+7a` extended to range `U+60..U+7f`.
[INFO] [stderr] Warning: range in `ascii,10,U+401..U+482` extended to range `U+400..U+4ff`.
[INFO] [stderr] Warning: range in `ascii,10,U+40e..U+403` extended to range `U+400..U+40f`.
[INFO] [stderr] Warning: range in `ascii,10,U+0..ff,U+40e..U+403` extended to range `U+400..U+40f`.
[INFO] [stdout] test input::tests::test_constants ... ok
[INFO] [stdout] test mission::tests::test_enc_opt_parser ... ok
[INFO] [stdout] test codec::ascii::tests::test_decoder ... ok
[INFO] [stdout] test finding::tests::test_scan_unicode_filter ... ok
[INFO] [stdout] test scanner::tests::test_compare_findings ... ok
[INFO] [stdout] test finding::tests::test_scan_filter ... ok
[INFO] [stdout] test scanner::tests::test_scan_control_chars ... ok
[INFO] [stdout] test scanner::tests::test_scan_incomplete_utf8 ... ok
[INFO] [stdout] test scanner::tests::test_scan_erroneous_ascii ... ok
[INFO] [stdout] test scanner::tests::test_scan_do_not_forget_first_short_string_in_next_chunk ... ok
[INFO] [stdout] test scanner::tests::test_scan_incomplete_utf8_simulate_iterations2 ... ok
[INFO] [stdout] test scanner::tests::test_scan_incomplete_utf8_simulate_iterations3 ... ok
[INFO] [stdout] test scanner::tests::test_scan_raw_input ... ok
[INFO] [stdout] test scanner::tests::test_scan_no_new_search_in_overlapping_space ... ok
[INFO] [stdout] test scanner::tests::test_scan_incomplete_utf8_simulate_iterations ... ok
[INFO] [stdout] test scanner::tests::test_scan_min_bytes ... ok
[INFO] [stdout] test input::tests::test_from_file ... ok
[INFO] [stdout] test scanner::tests::test_scan_scanner_threads ... ok
[INFO] [stdout] test options::tests::test_arg_parser ... ok
[INFO] [stdout] test scanner::tests::test_scan_random_input ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e7a1529dfa487069b34512eba74170a6fa0f6d879411f9fe83cfa1f5ff771044"`
[INFO] running `"docker" "rm" "-f" "e7a1529dfa487069b34512eba74170a6fa0f6d879411f9fe83cfa1f5ff771044"`
[INFO] [stdout] e7a1529dfa487069b34512eba74170a6fa0f6d879411f9fe83cfa1f5ff771044