[INFO] cloning repository verkehrsministerium/kraftfahrzeug
[INFO] running `"git" "clone" "--bare" "git://github.com/verkehrsministerium/kraftfahrzeug.git" "work/cache/sources/gh/verkehrsministerium/kraftfahrzeug"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/verkehrsministerium/kraftfahrzeug'...
[INFO] running `"git" "clone" "work/cache/sources/gh/verkehrsministerium/kraftfahrzeug" "work/ex/beta-1.37-6/sources/1.36.0/gh/verkehrsministerium/kraftfahrzeug"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/verkehrsministerium/kraftfahrzeug'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/verkehrsministerium/kraftfahrzeug" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/verkehrsministerium/kraftfahrzeug"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/verkehrsministerium/kraftfahrzeug'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ccda82dc6128895a13cd1fd67cd615228ca3c955
[INFO] sha for GitHub repo verkehrsministerium/kraftfahrzeug: ccda82dc6128895a13cd1fd67cd615228ca3c955
[INFO] validating manifest of verkehrsministerium/kraftfahrzeug on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of verkehrsministerium/kraftfahrzeug on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing verkehrsministerium/kraftfahrzeug
[INFO] finished frobbing verkehrsministerium/kraftfahrzeug
[INFO] frobbed toml for verkehrsministerium/kraftfahrzeug written to work/ex/beta-1.37-6/sources/1.36.0/gh/verkehrsministerium/kraftfahrzeug/Cargo.toml
[INFO] started frobbing verkehrsministerium/kraftfahrzeug
[INFO] finished frobbing verkehrsministerium/kraftfahrzeug
[INFO] frobbed toml for verkehrsministerium/kraftfahrzeug written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/verkehrsministerium/kraftfahrzeug/Cargo.toml
[INFO] crate verkehrsministerium/kraftfahrzeug already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing verkehrsministerium/kraftfahrzeug against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/verkehrsministerium/kraftfahrzeug:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] f0c227a4a4f004d03edc76ebfdc91004f1ce1cb1f54efb1a627391855f1b64df
[INFO] running `"docker" "start" "-a" "f0c227a4a4f004d03edc76ebfdc91004f1ce1cb1f54efb1a627391855f1b64df"`
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling array-macro v1.0.3
[INFO] [stderr]    Compiling hashbrown v0.3.1
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]    Compiling crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling signal-hook-registry v1.0.1
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling enum-map-internals v0.1.2
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling signal-hook v0.1.9
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling enum-map-derive v0.4.1
[INFO] [stderr]    Compiling enum-map v0.5.0
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling enumset_derive v0.4.0
[INFO] [stderr]    Compiling enumset v0.4.0
[INFO] [stderr]    Compiling cursive v0.12.0
[INFO] [stderr]    Compiling kraftfahrzeug v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: enum variants on type aliases are experimental
[INFO] [stderr]   --> src/message/mod.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         Self::Solid
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `kraftfahrzeug`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f0c227a4a4f004d03edc76ebfdc91004f1ce1cb1f54efb1a627391855f1b64df"`
[INFO] running `"docker" "rm" "-f" "f0c227a4a4f004d03edc76ebfdc91004f1ce1cb1f54efb1a627391855f1b64df"`
[INFO] [stdout] f0c227a4a4f004d03edc76ebfdc91004f1ce1cb1f54efb1a627391855f1b64df