[INFO] crate v_latexescape 0.4.3 is already in cache
[INFO] extracting crate v_latexescape 0.4.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/v_latexescape/0.4.3
[INFO] extracting crate v_latexescape 0.4.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/v_latexescape/0.4.3
[INFO] validating manifest of v_latexescape-0.4.3 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 v_latexescape-0.4.3 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 v_latexescape-0.4.3
[INFO] finished frobbing v_latexescape-0.4.3
[INFO] frobbed toml for v_latexescape-0.4.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/v_latexescape/0.4.3/Cargo.toml
[INFO] started frobbing v_latexescape-0.4.3
[INFO] finished frobbing v_latexescape-0.4.3
[INFO] frobbed toml for v_latexescape-0.4.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/v_latexescape/0.4.3/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing v_latexescape-0.4.3 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-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/v_latexescape/0.4.3:/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] 28613c7ae647b775dd5909703a3b2c4abb650ca84835d212c5573be331efae7c
[INFO] running `"docker" "start" "-a" "28613c7ae647b775dd5909703a3b2c4abb650ca84835d212c5573be331efae7c"`
[INFO] [stderr]    Compiling v_escape_derive v0.5.5
[INFO] [stderr]    Compiling v_escape v0.7.4
[INFO] [stderr]    Compiling v_latexescape v0.4.3 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `v_escape::check_version`
[INFO] [stderr]  --> build.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use v_escape::check_version;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^ no `check_version` in the root
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `v_latexescape`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "28613c7ae647b775dd5909703a3b2c4abb650ca84835d212c5573be331efae7c"`
[INFO] running `"docker" "rm" "-f" "28613c7ae647b775dd5909703a3b2c4abb650ca84835d212c5573be331efae7c"`
[INFO] [stdout] 28613c7ae647b775dd5909703a3b2c4abb650ca84835d212c5573be331efae7c