Dec 19 13:11:49.442 INFO checking manthanhd/rust-courier-system against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 13:11:49.442 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/manthanhd/rust-courier-system:/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 13:11:49.834 INFO [stdout] a371e21aff6ee19119df9264b8cfc7aba90967355a1b146f87d067675c2de807
Dec 19 13:11:49.836 INFO running `"docker" "start" "-a" "a371e21aff6ee19119df9264b8cfc7aba90967355a1b146f87d067675c2de807"`
Dec 19 13:11:52.075 INFO [stderr]    Compiling toml v0.4.6
Dec 19 13:11:52.075 INFO [stderr]    Compiling pear_codegen v0.0.20
Dec 19 13:11:52.076 INFO [stderr]    Compiling hyper v0.10.13
Dec 19 13:11:52.091 INFO [stderr]    Compiling ring v0.11.0
Dec 19 13:11:57.056 INFO [stderr] error[E0599]: no variant named `concat` found for type `syntax::tokenstream::TokenStream` in the current scope
Dec 19 13:11:57.056 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.20/src/lib.rs:330:54
Dec 19 13:11:57.056 INFO [stderr]     |
Dec 19 13:11:57.056 INFO [stderr] 330 |                 mac.node.tts = ThinTokenStream::from(TokenStream::concat(streams));
Dec 19 13:11:57.056 INFO [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^ variant not found in `syntax::tokenstream::TokenStream`
Dec 19 13:11:57.056 INFO [stderr] 
Dec 19 13:11:57.136 INFO [stderr] error: aborting due to previous error
Dec 19 13:11:57.136 INFO [stderr] 
Dec 19 13:11:57.136 INFO [stderr] For more information about this error, try `rustc --explain E0599`.
Dec 19 13:11:57.168 INFO [stderr] error: Could not compile `pear_codegen`.
Dec 19 13:11:57.168 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 13:12:08.131 INFO [stderr] error: build failed
Dec 19 13:12:09.604 INFO running `"docker" "inspect" "a371e21aff6ee19119df9264b8cfc7aba90967355a1b146f87d067675c2de807"`
Dec 19 13:12:09.886 INFO running `"docker" "rm" "-f" "a371e21aff6ee19119df9264b8cfc7aba90967355a1b146f87d067675c2de807"`
Dec 19 13:12:10.204 INFO [stdout] a371e21aff6ee19119df9264b8cfc7aba90967355a1b146f87d067675c2de807