[INFO] crate parapet 0.1.1 is already in cache
[INFO] extracting crate parapet 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/parapet/0.1.1
[INFO] extracting crate parapet 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/parapet/0.1.1
[INFO] validating manifest of parapet-0.1.1 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 parapet-0.1.1 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 parapet-0.1.1
[INFO] finished frobbing parapet-0.1.1
[INFO] frobbed toml for parapet-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/parapet/0.1.1/Cargo.toml
[INFO] started frobbing parapet-0.1.1
[INFO] finished frobbing parapet-0.1.1
[INFO] frobbed toml for parapet-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/parapet/0.1.1/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] [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 parapet-0.1.1 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-4/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/parapet/0.1.1:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 558a29b5d5da7d69a624660154a52095c474fb993a427ec4002e3c15da99ff1f
[INFO] running `"docker" "start" "-a" "558a29b5d5da7d69a624660154a52095c474fb993a427ec4002e3c15da99ff1f"`
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling dot v0.1.4
[INFO] [stderr]    Compiling graphsearch v0.6.0
[INFO] [stderr]    Compiling uuid v0.3.1
[INFO] [stderr]    Compiling protocol v0.1.11
[INFO] [stderr] error: expected open delimiter
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protocol-0.1.11/src/primitives/composite.rs:81:15
[INFO] [stderr]    |
[INFO] [stderr] 81 |     describe! composite_primitives {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^ expected open delimiter
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `protocol`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "558a29b5d5da7d69a624660154a52095c474fb993a427ec4002e3c15da99ff1f"`
[INFO] running `"docker" "rm" "-f" "558a29b5d5da7d69a624660154a52095c474fb993a427ec4002e3c15da99ff1f"`
[INFO] [stdout] 558a29b5d5da7d69a624660154a52095c474fb993a427ec4002e3c15da99ff1f