Dec 19 10:07:39.641 INFO checking rloic/portfolio_rust against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 10:07:39.641 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/rloic/portfolio_rust:/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=forbid" "-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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 10:07:40.001 INFO [stdout] eea4dcaf6ef0c13131530519aac302a35d971e5d64e6320bc4f4b31d2fb5b1f5
Dec 19 10:07:40.004 INFO running `"docker" "start" "-a" "eea4dcaf6ef0c13131530519aac302a35d971e5d64e6320bc4f4b31d2fb5b1f5"`
Dec 19 10:07:42.569 INFO [stderr]     Checking unidecode v0.3.0
Dec 19 10:07:42.573 INFO [stderr]     Checking typed-arena v1.4.1
Dec 19 10:07:42.574 INFO [stderr]     Checking unicode_categories v0.1.1
Dec 19 10:07:42.574 INFO [stderr]     Checking entities v1.0.1
Dec 19 10:07:42.575 INFO [stderr]    Compiling log v0.4.4
Dec 19 10:07:42.644 INFO [stderr]     Checking twoway v0.1.8
Dec 19 10:07:42.644 INFO [stderr]    Compiling pear_codegen v0.0.20
Dec 19 10:07:42.644 INFO [stderr]     Checking unic-segment v0.7.0
Dec 19 10:07:43.662 INFO [stderr]     Checking chrono v0.4.6
Dec 19 10:07:43.732 INFO [stderr]    Compiling syn v0.14.9
Dec 19 10:07:44.809 INFO [stderr]     Checking regex v0.2.11
Dec 19 10:07:44.825 INFO [stderr]     Checking error-chain v0.10.0
Dec 19 10:07:44.856 INFO [stderr]     Checking error-chain v0.12.0
Dec 19 10:07:45.088 INFO [stderr]     Checking comrak v0.2.14
Dec 19 10:07:45.998 INFO [stderr]    Compiling log v0.3.9
Dec 19 10:07:46.128 INFO [stderr]    Compiling rayon v0.7.1
Dec 19 10:07:46.932 INFO [stderr] error[E0599]: no variant named `concat` found for type `syntax::tokenstream::TokenStream` in the current scope
Dec 19 10:07:46.933 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.20/src/lib.rs:330:54
Dec 19 10:07:46.933 INFO [stderr]     |
Dec 19 10:07:46.933 INFO [stderr] 330 |                 mac.node.tts = ThinTokenStream::from(TokenStream::concat(streams));
Dec 19 10:07:46.934 INFO [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^ variant not found in `syntax::tokenstream::TokenStream`
Dec 19 10:07:46.934 INFO [stderr] 
Dec 19 10:07:46.997 INFO [stderr] error: aborting due to previous error
Dec 19 10:07:46.997 INFO [stderr] 
Dec 19 10:07:46.997 INFO [stderr] For more information about this error, try `rustc --explain E0599`.
Dec 19 10:07:47.026 INFO [stderr] error: Could not compile `pear_codegen`.
Dec 19 10:07:47.026 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 10:07:55.269 INFO [stderr] error: build failed
Dec 19 10:07:55.502 INFO running `"docker" "inspect" "eea4dcaf6ef0c13131530519aac302a35d971e5d64e6320bc4f4b31d2fb5b1f5"`
Dec 19 10:07:55.622 INFO running `"docker" "rm" "-f" "eea4dcaf6ef0c13131530519aac302a35d971e5d64e6320bc4f4b31d2fb5b1f5"`
Dec 19 10:07:55.745 INFO [stdout] eea4dcaf6ef0c13131530519aac302a35d971e5d64e6320bc4f4b31d2fb5b1f5