[INFO] crate fst-levenshtein 0.2.1 is already in cache
[INFO] extracting crate fst-levenshtein 0.2.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/fst-levenshtein/0.2.1
[INFO] extracting crate fst-levenshtein 0.2.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fst-levenshtein/0.2.1
[INFO] validating manifest of fst-levenshtein-0.2.1 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 fst-levenshtein-0.2.1 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 fst-levenshtein-0.2.1
[INFO] finished frobbing fst-levenshtein-0.2.1
[INFO] frobbed toml for fst-levenshtein-0.2.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/fst-levenshtein/0.2.1/Cargo.toml
[INFO] started frobbing fst-levenshtein-0.2.1
[INFO] finished frobbing fst-levenshtein-0.2.1
[INFO] frobbed toml for fst-levenshtein-0.2.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fst-levenshtein/0.2.1/Cargo.toml
[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 fst-levenshtein-0.2.1 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/fst-levenshtein/0.2.1:/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] 143f225a3d7e5f6f60443ad0a3b76778cfc9ce7022886a67e8ca51f9ddc8c4c2
[INFO] running `"docker" "start" "-a" "143f225a3d7e5f6f60443ad0a3b76778cfc9ce7022886a67e8ca51f9ddc8c4c2"`
[INFO] [stderr]    Compiling fst v0.3.5
[INFO] [stderr]    Compiling fst-levenshtein v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:34:32
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `"docker" "inspect" "143f225a3d7e5f6f60443ad0a3b76778cfc9ce7022886a67e8ca51f9ddc8c4c2"`
[INFO] running `"docker" "rm" "-f" "143f225a3d7e5f6f60443ad0a3b76778cfc9ce7022886a67e8ca51f9ddc8c4c2"`
[INFO] [stdout] 143f225a3d7e5f6f60443ad0a3b76778cfc9ce7022886a67e8ca51f9ddc8c4c2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/fst-levenshtein/0.2.1:/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] 2e2b050a18a3190e3389850a1b5a3b49eae7a18f7c825e8aafacd33844e27fb4
[INFO] running `"docker" "start" "-a" "2e2b050a18a3190e3389850a1b5a3b49eae7a18f7c825e8aafacd33844e27fb4"`
[INFO] [stderr]    Compiling fst-levenshtein v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:34:32
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "2e2b050a18a3190e3389850a1b5a3b49eae7a18f7c825e8aafacd33844e27fb4"`
[INFO] running `"docker" "rm" "-f" "2e2b050a18a3190e3389850a1b5a3b49eae7a18f7c825e8aafacd33844e27fb4"`
[INFO] [stdout] 2e2b050a18a3190e3389850a1b5a3b49eae7a18f7c825e8aafacd33844e27fb4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/fst-levenshtein/0.2.1:/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] 39d7870e22496850c3f40ead9d6ea18391ed51771fe6921eb5768f77077bf1d5
[INFO] running `"docker" "start" "-a" "39d7870e22496850c3f40ead9d6ea18391ed51771fe6921eb5768f77077bf1d5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fst_levenshtein-77b9dc98e584af17
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fst-levenshtein
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Levenshtein (line 35) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "39d7870e22496850c3f40ead9d6ea18391ed51771fe6921eb5768f77077bf1d5"`
[INFO] running `"docker" "rm" "-f" "39d7870e22496850c3f40ead9d6ea18391ed51771fe6921eb5768f77077bf1d5"`
[INFO] [stdout] 39d7870e22496850c3f40ead9d6ea18391ed51771fe6921eb5768f77077bf1d5