[INFO] updating cached repository dashed/counter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dashed/counter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dashed/counter" "work/ex/beta-1.38-1/sources/1.37.0/gh/dashed/counter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/dashed/counter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dashed/counter" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dashed/counter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dashed/counter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9a228628acb5f7b11f9fa706581cd645e594cac1
[INFO] sha for GitHub repo dashed/counter: 9a228628acb5f7b11f9fa706581cd645e594cac1
[INFO] validating manifest of dashed/counter 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 dashed/counter 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 dashed/counter
[INFO] finished frobbing dashed/counter
[INFO] frobbed toml for dashed/counter written to work/ex/beta-1.38-1/sources/1.37.0/gh/dashed/counter/Cargo.toml
[INFO] started frobbing dashed/counter
[INFO] finished frobbing dashed/counter
[INFO] frobbed toml for dashed/counter written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dashed/counter/Cargo.toml
[INFO] crate dashed/counter 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/dashed/counter/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[INFO] the lockfile is outdated, regenerating it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] [stderr]     Updating git repository `https://github.com/m4rw3r/chomp`
[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] [stderr]     Updating git repository `https://github.com/m4rw3r/chomp`
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing dashed/counter 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dashed/counter:/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] 331e6516513339f5ac4e6b3ff92d9aae642096ce6a7f31218ac63e232c74b9bf
[INFO] running `"docker" "start" "-a" "331e6516513339f5ac4e6b3ff92d9aae642096ce6a7f31218ac63e232c74b9bf"`
[INFO] [stderr]    Compiling debugtrace v0.1.0
[INFO] [stderr]    Compiling debug-builders v0.1.0
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling bit-vec v0.6.1
[INFO] [stderr]    Compiling chan v0.1.23
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling backtrace v0.1.8
[INFO] [stderr]    Compiling bit-set v0.2.0
[INFO] [stderr]    Compiling chan-signal v0.1.7
[INFO] [stderr]    Compiling chomp v0.2.5 (https://github.com/m4rw3r/chomp?rev=c1287f2e7ee1558d50a8cab95e1bf900f5a47061#c1287f2e)
[INFO] [stderr]    Compiling timer v0.1.6
[INFO] [stderr]    Compiling counter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: expected expression, found `.`
[INFO] [stderr]    --> src/main.rs:363:5
[INFO] [stderr]     |
[INFO] [stderr] 363 | /     parse!{i;
[INFO] [stderr] 364 | |
[INFO] [stderr] 365 | |         skip_many(|i| space_or_tab(i));
[INFO] [stderr] 366 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 371 | |         ret range
[INFO] [stderr] 372 | |     }
[INFO] [stderr]     | |     ^
[INFO] [stderr]     | |     |
[INFO] [stderr]     | |_____expected expression
[INFO] [stderr]     |       in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `counter`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "331e6516513339f5ac4e6b3ff92d9aae642096ce6a7f31218ac63e232c74b9bf"`
[INFO] running `"docker" "rm" "-f" "331e6516513339f5ac4e6b3ff92d9aae642096ce6a7f31218ac63e232c74b9bf"`
[INFO] [stdout] 331e6516513339f5ac4e6b3ff92d9aae642096ce6a7f31218ac63e232c74b9bf