[INFO] updating cached repository cesare/rust_edit_distance
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cesare/rust_edit_distance
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cesare/rust_edit_distance" "work/ex/beta-1.38-1/sources/1.37.0/gh/cesare/rust_edit_distance"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/cesare/rust_edit_distance'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cesare/rust_edit_distance" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cesare/rust_edit_distance"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cesare/rust_edit_distance'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0a902df24bd1bb5c44892d52c6ec92accaf6e4cd
[INFO] sha for GitHub repo cesare/rust_edit_distance: 0a902df24bd1bb5c44892d52c6ec92accaf6e4cd
[INFO] validating manifest of cesare/rust_edit_distance 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 cesare/rust_edit_distance 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 cesare/rust_edit_distance
[INFO] finished frobbing cesare/rust_edit_distance
[INFO] frobbed toml for cesare/rust_edit_distance written to work/ex/beta-1.38-1/sources/1.37.0/gh/cesare/rust_edit_distance/Cargo.toml
[INFO] started frobbing cesare/rust_edit_distance
[INFO] finished frobbing cesare/rust_edit_distance
[INFO] frobbed toml for cesare/rust_edit_distance written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cesare/rust_edit_distance/Cargo.toml
[INFO] crate cesare/rust_edit_distance 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 cesare/rust_edit_distance against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cesare/rust_edit_distance:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 9a241d7ba762393de3034d5146003c7a55a5b52c34fb7203646ac4b680204483
[INFO] running `"docker" "start" "-a" "9a241d7ba762393de3034d5146003c7a55a5b52c34fb7203646ac4b680204483"`
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]    Compiling ndarray v0.12.0
[INFO] [stderr]    Compiling edit_distance v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.77s
[INFO] running `"docker" "inspect" "9a241d7ba762393de3034d5146003c7a55a5b52c34fb7203646ac4b680204483"`
[INFO] running `"docker" "rm" "-f" "9a241d7ba762393de3034d5146003c7a55a5b52c34fb7203646ac4b680204483"`
[INFO] [stdout] 9a241d7ba762393de3034d5146003c7a55a5b52c34fb7203646ac4b680204483
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cesare/rust_edit_distance:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6df2c135eddb46e96112f18c143dc271c4ed66dc39a44b8d126a0763e95924e0
[INFO] running `"docker" "start" "-a" "6df2c135eddb46e96112f18c143dc271c4ed66dc39a44b8d126a0763e95924e0"`
[INFO] [stderr]    Compiling edit_distance v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `"docker" "inspect" "6df2c135eddb46e96112f18c143dc271c4ed66dc39a44b8d126a0763e95924e0"`
[INFO] running `"docker" "rm" "-f" "6df2c135eddb46e96112f18c143dc271c4ed66dc39a44b8d126a0763e95924e0"`
[INFO] [stdout] 6df2c135eddb46e96112f18c143dc271c4ed66dc39a44b8d126a0763e95924e0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cesare/rust_edit_distance:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] bc0d08a1c4a166acde44c66bac5a4b56ea7fbee792d6d26722b9dfa38a44735e
[INFO] running `"docker" "start" "-a" "bc0d08a1c4a166acde44c66bac5a4b56ea7fbee792d6d26722b9dfa38a44735e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/edit_distance-a4fa274bab981cc9
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test levenshtein::test_distance_against_one_with_changing_some_chars ... ok
[INFO] [stdout] test levenshtein::test_distance_against_one_without_common_prefix ... ok
[INFO] [stdout] test levenshtein::test_distance_against_one_with_additional_chars_in_the_middle ... ok
[INFO] [stdout] test levenshtein::test_distance_against_different_one ... ok
[INFO] [stdout] test levenshtein::test_distance_against_one_char_shorter ... ok
[INFO] [stdout] test levenshtein::test_distance_against_one_char_longer ... ok
[INFO] [stdout] test levenshtein::test_distance_between_empty_strings ... ok
[INFO] [stdout] test levenshtein::test_distance_against_one_with_removing_some_chars ... ok
[INFO] [stdout] test levenshtein::test_distance_between_empty_one_and_non_empty_one ... ok
[INFO] [stdout] test levenshtein::test_distance_between_non_empty_one_and_empty_one ... ok
[INFO] [stdout] test levenshtein::test_distance_between_non_ascii_strings ... ok
[INFO] [stdout] test levenshtein::test_distance_between_identical_strings ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/levenshtein_distance-ff363df3832e916d
[INFO] [stderr]    Doc-tests edit_distance
[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] running `"docker" "inspect" "bc0d08a1c4a166acde44c66bac5a4b56ea7fbee792d6d26722b9dfa38a44735e"`
[INFO] running `"docker" "rm" "-f" "bc0d08a1c4a166acde44c66bac5a4b56ea7fbee792d6d26722b9dfa38a44735e"`
[INFO] [stdout] bc0d08a1c4a166acde44c66bac5a4b56ea7fbee792d6d26722b9dfa38a44735e