[INFO] crate signatory-ledger-cosval 0.10.0 is already in cache
[INFO] extracting crate signatory-ledger-cosval 0.10.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/signatory-ledger-cosval/0.10.0
[INFO] extracting crate signatory-ledger-cosval 0.10.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/signatory-ledger-cosval/0.10.0
[INFO] validating manifest of signatory-ledger-cosval-0.10.0 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 signatory-ledger-cosval-0.10.0 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 signatory-ledger-cosval-0.10.0
[INFO] finished frobbing signatory-ledger-cosval-0.10.0
[INFO] frobbed toml for signatory-ledger-cosval-0.10.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/signatory-ledger-cosval/0.10.0/Cargo.toml
[INFO] started frobbing signatory-ledger-cosval-0.10.0
[INFO] finished frobbing signatory-ledger-cosval-0.10.0
[INFO] frobbed toml for signatory-ledger-cosval-0.10.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/signatory-ledger-cosval/0.10.0/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 signatory-ledger-cosval-0.10.0 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/signatory-ledger-cosval/0.10.0:/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] 92158b475e168f97417b6b694c8f8fe15d239df3c5a15d21378bdcf0a6c72cd3
[INFO] running `"docker" "start" "-a" "92158b475e168f97417b6b694c8f8fe15d239df3c5a15d21378bdcf0a6c72cd3"`
[INFO] [stderr]    Compiling hidapi v0.5.2
[INFO] [stderr]    Compiling zeroize v0.4.2
[INFO] [stderr]    Compiling subtle-encoding v0.3.7
[INFO] [stderr]    Compiling signatory v0.10.1
[INFO] [stderr]    Compiling ledger v0.0.8
[INFO] [stderr] error[E0004]: non-exhaustive patterns: `TrailingWhitespace` not covered
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/signatory-0.10.1/src/error.rs:187:15
[INFO] [stderr]     |
[INFO] [stderr] 187 |         match err {
[INFO] [stderr]     |               ^^^ pattern `TrailingWhitespace` not covered
[INFO] [stderr]     |
[INFO] [stderr]     = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0004`.
[INFO] [stderr] error: Could not compile `signatory`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "92158b475e168f97417b6b694c8f8fe15d239df3c5a15d21378bdcf0a6c72cd3"`
[INFO] running `"docker" "rm" "-f" "92158b475e168f97417b6b694c8f8fe15d239df3c5a15d21378bdcf0a6c72cd3"`
[INFO] [stdout] 92158b475e168f97417b6b694c8f8fe15d239df3c5a15d21378bdcf0a6c72cd3