Dec 19 13:30:26.845 INFO checking loothood/joke against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 13:30:26.846 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/loothood/joke:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 13:30:27.306 INFO [stdout] debe69292e30f54264c620f9b58a407fc51bacc6b5c25931502b601de59abee5
Dec 19 13:30:27.308 INFO running `"docker" "start" "-a" "debe69292e30f54264c620f9b58a407fc51bacc6b5c25931502b601de59abee5"`
Dec 19 13:30:29.838 INFO [stderr]    Compiling matches v0.1.7
Dec 19 13:30:29.880 INFO [stderr]    Compiling log v0.4.3
Dec 19 13:30:29.889 INFO [stderr]    Compiling memchr v2.0.1
Dec 19 13:30:29.898 INFO [stderr]    Compiling rocket v0.3.17
Dec 19 13:30:29.900 INFO [stderr]    Compiling rocket_codegen v0.3.17
Dec 19 13:30:29.913 INFO [stderr]    Compiling base64 v0.6.0
Dec 19 13:30:29.915 INFO [stderr]    Compiling base64 v0.9.2
Dec 19 13:30:29.930 INFO [stderr]    Compiling crossbeam-epoch v0.3.1
Dec 19 13:30:30.809 INFO [stderr]     Checking ryu v0.2.3
Dec 19 13:30:33.961 INFO [stderr]    Compiling smallvec v0.6.4
Dec 19 13:30:33.989 INFO [stderr]     Checking r2d2 v0.8.3
Dec 19 13:30:34.062 INFO [stderr]    Compiling unicode-bidi v0.3.4
Dec 19 13:30:34.064 INFO [stderr]     Checking mime v0.2.6
Dec 19 13:30:34.142 INFO [stderr]     Checking regex v0.2.11
Dec 19 13:30:34.314 INFO [stderr]     Checking regex v1.0.3
Dec 19 13:30:38.160 INFO [stderr]    Compiling pear_codegen v0.0.20
Dec 19 13:30:38.214 INFO [stderr]    Compiling toml v0.4.8
Dec 19 13:30:38.341 INFO [stderr]     Checking serde_json v1.0.33
Dec 19 13:30:38.586 INFO [stderr]    Compiling log v0.3.9
Dec 19 13:30:38.725 INFO [stderr]    Compiling syn v0.15.20
Dec 19 13:30:46.712 INFO [stderr]     Checking hyper v0.10.13
Dec 19 13:30:47.028 INFO [stderr]    Compiling crossbeam-deque v0.2.0
Dec 19 13:30:47.888 INFO [stderr] error[E0599]: no variant named `concat` found for type `syntax::tokenstream::TokenStream` in the current scope
Dec 19 13:30:47.888 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.20/src/lib.rs:330:54
Dec 19 13:30:47.888 INFO [stderr]     |
Dec 19 13:30:47.888 INFO [stderr] 330 |                 mac.node.tts = ThinTokenStream::from(TokenStream::concat(streams));
Dec 19 13:30:47.888 INFO [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^ variant not found in `syntax::tokenstream::TokenStream`
Dec 19 13:30:47.888 INFO [stderr] 
Dec 19 13:30:48.201 INFO [stderr] error: aborting due to previous error
Dec 19 13:30:48.201 INFO [stderr] 
Dec 19 13:30:48.201 INFO [stderr] For more information about this error, try `rustc --explain E0599`.
Dec 19 13:30:48.305 INFO [stderr] error: Could not compile `pear_codegen`.
Dec 19 13:30:48.305 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 13:31:05.414 INFO [stderr] error: build failed
Dec 19 13:31:07.169 INFO running `"docker" "inspect" "debe69292e30f54264c620f9b58a407fc51bacc6b5c25931502b601de59abee5"`
Dec 19 13:31:07.446 INFO running `"docker" "rm" "-f" "debe69292e30f54264c620f9b58a407fc51bacc6b5c25931502b601de59abee5"`
Dec 19 13:31:07.776 INFO [stdout] debe69292e30f54264c620f9b58a407fc51bacc6b5c25931502b601de59abee5