Dec 19 11:15:37.713 INFO checking pankaryp/Rocket-server-demo against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 11:15:37.713 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/pankaryp/Rocket-server-demo:/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 11:15:38.381 INFO [stdout] 0e5013fee7dfb8e8d22d6aa5521d2f587834d20171388be2304d87f50cef3ea6
Dec 19 11:15:38.383 INFO running `"docker" "start" "-a" "0e5013fee7dfb8e8d22d6aa5521d2f587834d20171388be2304d87f50cef3ea6"`
Dec 19 11:15:40.199 INFO [stderr]    Compiling rocket v0.3.16
Dec 19 11:15:40.203 INFO [stderr]    Compiling rocket_codegen v0.3.16
Dec 19 11:15:40.234 INFO [stderr]    Compiling pear_codegen v0.0.20
Dec 19 11:15:40.235 INFO [stderr]    Compiling toml v0.4.7
Dec 19 11:15:40.242 INFO [stderr]    Compiling hyper v0.10.13
Dec 19 11:15:40.243 INFO [stderr]    Compiling crossbeam-deque v0.2.0
Dec 19 11:15:42.754 INFO [stderr]    Compiling rayon-core v1.4.1
Dec 19 11:15:46.200 INFO [stderr] error[E0599]: no variant named `concat` found for type `syntax::tokenstream::TokenStream` in the current scope
Dec 19 11:15:46.203 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.20/src/lib.rs:330:54
Dec 19 11:15:46.203 INFO [stderr]     |
Dec 19 11:15:46.203 INFO [stderr] 330 |                 mac.node.tts = ThinTokenStream::from(TokenStream::concat(streams));
Dec 19 11:15:46.203 INFO [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^ variant not found in `syntax::tokenstream::TokenStream`
Dec 19 11:15:46.203 INFO [stderr] 
Dec 19 11:15:46.512 INFO [stderr] error: aborting due to previous error
Dec 19 11:15:46.512 INFO [stderr] 
Dec 19 11:15:46.512 INFO [stderr] For more information about this error, try `rustc --explain E0599`.
Dec 19 11:15:46.616 INFO [stderr] error: Could not compile `pear_codegen`.
Dec 19 11:15:46.616 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 11:15:55.976 INFO [stderr] error: build failed
Dec 19 11:15:56.370 INFO running `"docker" "inspect" "0e5013fee7dfb8e8d22d6aa5521d2f587834d20171388be2304d87f50cef3ea6"`
Dec 19 11:15:56.484 INFO running `"docker" "rm" "-f" "0e5013fee7dfb8e8d22d6aa5521d2f587834d20171388be2304d87f50cef3ea6"`
Dec 19 11:15:56.624 INFO [stdout] 0e5013fee7dfb8e8d22d6aa5521d2f587834d20171388be2304d87f50cef3ea6