[INFO] updating cached repository mattcl/xmobar-tmux
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mattcl/xmobar-tmux
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mattcl/xmobar-tmux" "work/ex/beta-1.38-1/sources/1.37.0/gh/mattcl/xmobar-tmux"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mattcl/xmobar-tmux'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mattcl/xmobar-tmux" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mattcl/xmobar-tmux"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mattcl/xmobar-tmux'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 86e22f7bc3720db390572c8ea54a7ffd154d19f4
[INFO] sha for GitHub repo mattcl/xmobar-tmux: 86e22f7bc3720db390572c8ea54a7ffd154d19f4
[INFO] validating manifest of mattcl/xmobar-tmux 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 mattcl/xmobar-tmux 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 mattcl/xmobar-tmux
[INFO] finished frobbing mattcl/xmobar-tmux
[INFO] frobbed toml for mattcl/xmobar-tmux written to work/ex/beta-1.38-1/sources/1.37.0/gh/mattcl/xmobar-tmux/Cargo.toml
[INFO] started frobbing mattcl/xmobar-tmux
[INFO] finished frobbing mattcl/xmobar-tmux
[INFO] frobbed toml for mattcl/xmobar-tmux written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mattcl/xmobar-tmux/Cargo.toml
[INFO] crate mattcl/xmobar-tmux 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mattcl/xmobar-tmux/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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 mattcl/xmobar-tmux 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-5/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/mattcl/xmobar-tmux:/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] aab2d6fc48b6a03f2499ca2278f0b96ef9834f06b8833a735b6e517353905c41
[INFO] running `"docker" "start" "-a" "aab2d6fc48b6a03f2499ca2278f0b96ef9834f06b8833a735b6e517353905c41"`
[INFO] [stderr]    Compiling xmobar-tmux v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] error[E0599]: no method named `compile` found for type `&mut regex::RegexBuilder` in the current scope
[INFO] [stderr]   --> src/main.rs:13:86
[INFO] [stderr]    |
[INFO] [stderr] 13 |         let re = RegexBuilder::new(r"^([^:]*):.+?(\(attached\))?$").multi_line(true).compile().unwrap();
[INFO] [stderr]    |                                                                                      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `xmobar-tmux`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "aab2d6fc48b6a03f2499ca2278f0b96ef9834f06b8833a735b6e517353905c41"`
[INFO] running `"docker" "rm" "-f" "aab2d6fc48b6a03f2499ca2278f0b96ef9834f06b8833a735b6e517353905c41"`
[INFO] [stdout] aab2d6fc48b6a03f2499ca2278f0b96ef9834f06b8833a735b6e517353905c41