Dec 19 08:58:21.721 INFO checking shaneutt/dcos-k8s-rust-skaffold-demo against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 08:58:21.721 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/shaneutt/dcos-k8s-rust-skaffold-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 08:58:22.330 INFO [stdout] fddcf26247e815a7180a941f85fa9c8ca7f7563af786d2b8aeca5cbeba3bf886
Dec 19 08:58:22.342 INFO running `"docker" "start" "-a" "fddcf26247e815a7180a941f85fa9c8ca7f7563af786d2b8aeca5cbeba3bf886"`
Dec 19 08:58:24.228 INFO [stderr]     Checking ordermap v0.2.13
Dec 19 08:58:24.228 INFO [stderr]     Checking pear v0.0.20
Dec 19 08:58:24.232 INFO [stderr]    Compiling crossbeam-utils v0.2.2
Dec 19 08:58:24.296 INFO [stderr]    Compiling isatty v0.1.9
Dec 19 08:58:24.296 INFO [stderr]    Compiling pear_codegen v0.0.20
Dec 19 08:58:24.296 INFO [stderr]    Compiling rocket v0.3.17
Dec 19 08:58:24.296 INFO [stderr]    Compiling rocket_codegen v0.3.17
Dec 19 08:58:25.220 INFO [stderr]    Compiling serde v1.0.79
Dec 19 08:58:27.080 INFO [stderr]    Compiling syn v0.15.7
Dec 19 08:58:27.156 INFO [stderr]    Compiling crossbeam-epoch v0.3.1
Dec 19 08:58:27.577 INFO [stderr]     Checking diesel v1.3.3
Dec 19 08:58:28.208 INFO [stderr]     Checking failure v0.1.2
Dec 19 08:58:29.240 INFO [stderr]     Checking dotenv v0.13.0
Dec 19 08:58:31.520 INFO [stderr]    Compiling crossbeam-deque v0.2.0
Dec 19 08:58:33.177 INFO [stderr]    Compiling rayon-core v1.4.1
Dec 19 08:58:34.920 INFO [stderr] error[E0599]: no variant named `concat` found for type `syntax::tokenstream::TokenStream` in the current scope
Dec 19 08:58:34.920 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.20/src/lib.rs:330:54
Dec 19 08:58:34.920 INFO [stderr]     |
Dec 19 08:58:34.920 INFO [stderr] 330 |                 mac.node.tts = ThinTokenStream::from(TokenStream::concat(streams));
Dec 19 08:58:34.920 INFO [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^ variant not found in `syntax::tokenstream::TokenStream`
Dec 19 08:58:34.920 INFO [stderr] 
Dec 19 08:58:35.208 INFO [stderr] error: aborting due to previous error
Dec 19 08:58:35.208 INFO [stderr] 
Dec 19 08:58:35.208 INFO [stderr] For more information about this error, try `rustc --explain E0599`.
Dec 19 08:58:35.309 INFO [stderr] error: Could not compile `pear_codegen`.
Dec 19 08:58:35.309 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 08:59:19.992 INFO [stderr] error: build failed
Dec 19 08:59:20.643 INFO running `"docker" "inspect" "fddcf26247e815a7180a941f85fa9c8ca7f7563af786d2b8aeca5cbeba3bf886"`
Dec 19 08:59:21.014 INFO running `"docker" "rm" "-f" "fddcf26247e815a7180a941f85fa9c8ca7f7563af786d2b8aeca5cbeba3bf886"`
Dec 19 08:59:21.356 INFO [stdout] fddcf26247e815a7180a941f85fa9c8ca7f7563af786d2b8aeca5cbeba3bf886