Dec 19 13:27:09.875 INFO checking lucarge/heroes-api against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 13:27:09.875 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/lucarge/heroes-api:/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 13:27:10.344 INFO [stdout] 03ebcf52d1877d4631f33074776339067b97615548b5046c1af0f03046b4743a
Dec 19 13:27:10.350 INFO running `"docker" "start" "-a" "03ebcf52d1877d4631f33074776339067b97615548b5046c1af0f03046b4743a"`
Dec 19 13:27:12.196 INFO [stderr]    Compiling nodrop v0.1.13
Dec 19 13:27:12.237 INFO [stderr]    Compiling crossbeam-utils v0.2.2
Dec 19 13:27:12.238 INFO [stderr]    Compiling rocket v0.3.17
Dec 19 13:27:12.238 INFO [stderr]    Compiling rocket_codegen v0.3.17
Dec 19 13:27:12.239 INFO [stderr]     Checking base64 v0.6.0
Dec 19 13:27:12.240 INFO [stderr]    Compiling smallvec v0.6.6
Dec 19 13:27:12.254 INFO [stderr]    Compiling num_cpus v1.8.0
Dec 19 13:27:12.648 INFO [stderr]    Compiling time v0.1.40
Dec 19 13:27:15.260 INFO [stderr]    Compiling isatty v0.1.9
Dec 19 13:27:15.296 INFO [stderr]    Compiling memchr v2.1.1
Dec 19 13:27:15.325 INFO [stderr]    Compiling pear_codegen v0.0.20
Dec 19 13:27:15.359 INFO [stderr]    Compiling toml v0.4.9
Dec 19 13:27:15.432 INFO [stderr]    Compiling arrayvec v0.4.7
Dec 19 13:27:16.960 INFO [stderr]     Checking hyper v0.10.15
Dec 19 13:27:16.968 INFO [stderr]     Checking diesel v1.3.3
Dec 19 13:27:20.598 INFO [stderr]    Compiling crossbeam-epoch v0.3.1
Dec 19 13:27:21.826 INFO [stderr] error[E0599]: no variant named `concat` found for type `syntax::tokenstream::TokenStream` in the current scope
Dec 19 13:27:21.826 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.20/src/lib.rs:330:54
Dec 19 13:27:21.826 INFO [stderr]     |
Dec 19 13:27:21.826 INFO [stderr] 330 |                 mac.node.tts = ThinTokenStream::from(TokenStream::concat(streams));
Dec 19 13:27:21.827 INFO [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^ variant not found in `syntax::tokenstream::TokenStream`
Dec 19 13:27:21.827 INFO [stderr] 
Dec 19 13:27:21.992 INFO [stderr] error: aborting due to previous error
Dec 19 13:27:21.998 INFO [stderr] 
Dec 19 13:27:21.998 INFO [stderr] For more information about this error, try `rustc --explain E0599`.
Dec 19 13:27:22.078 INFO [stderr] error: Could not compile `pear_codegen`.
Dec 19 13:27:22.078 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 13:27:58.627 INFO [stderr] error: build failed
Dec 19 13:27:59.778 INFO running `"docker" "inspect" "03ebcf52d1877d4631f33074776339067b97615548b5046c1af0f03046b4743a"`
Dec 19 13:28:00.136 INFO running `"docker" "rm" "-f" "03ebcf52d1877d4631f33074776339067b97615548b5046c1af0f03046b4743a"`
Dec 19 13:28:00.644 INFO [stdout] 03ebcf52d1877d4631f33074776339067b97615548b5046c1af0f03046b4743a