Dec 19 10:01:51.149 INFO checking rog-works/rust-web-ws against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 10:01:51.149 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/rog-works/rust-web-ws:/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 10:01:51.503 INFO [stdout] 02009d8a9eb7ce78c2409c4f46c60134cee184c0a68cad4ff536c653bb7c4239
Dec 19 10:01:51.503 INFO running `"docker" "start" "-a" "02009d8a9eb7ce78c2409c4f46c60134cee184c0a68cad4ff536c653bb7c4239"`
Dec 19 10:01:52.564 INFO [stderr]    Compiling nodrop v0.1.13
Dec 19 10:01:52.578 INFO [stderr]    Compiling smallvec v0.6.7
Dec 19 10:01:52.578 INFO [stderr]    Compiling num_cpus v1.8.0
Dec 19 10:01:52.579 INFO [stderr]    Compiling time v0.1.40
Dec 19 10:01:52.579 INFO [stderr]    Compiling isatty v0.1.9
Dec 19 10:01:52.596 INFO [stderr]    Compiling memchr v2.1.1
Dec 19 10:01:52.596 INFO [stderr]    Compiling url v1.7.2
Dec 19 10:01:52.760 INFO [stderr]    Compiling toml v0.4.9
Dec 19 10:01:52.926 INFO [stderr]    Compiling pear_codegen v0.0.20
Dec 19 10:01:52.926 INFO [stderr]    Compiling arrayvec v0.4.8
Dec 19 10:01:55.964 INFO [stderr]     Checking hyper v0.10.15
Dec 19 10:01:55.988 INFO [stderr]    Compiling crossbeam-epoch v0.3.1
Dec 19 10:01:57.332 INFO [stderr] error[E0599]: no variant named `concat` found for type `syntax::tokenstream::TokenStream` in the current scope
Dec 19 10:01:57.332 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.20/src/lib.rs:330:54
Dec 19 10:01:57.332 INFO [stderr]     |
Dec 19 10:01:57.332 INFO [stderr] 330 |                 mac.node.tts = ThinTokenStream::from(TokenStream::concat(streams));
Dec 19 10:01:57.332 INFO [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^ variant not found in `syntax::tokenstream::TokenStream`
Dec 19 10:01:57.332 INFO [stderr] 
Dec 19 10:01:57.412 INFO [stderr] error: aborting due to previous error
Dec 19 10:01:57.412 INFO [stderr] 
Dec 19 10:01:57.412 INFO [stderr] For more information about this error, try `rustc --explain E0599`.
Dec 19 10:01:57.435 INFO [stderr] error: Could not compile `pear_codegen`.
Dec 19 10:01:57.435 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 10:02:02.724 INFO [stderr] error: build failed
Dec 19 10:02:03.851 INFO running `"docker" "inspect" "02009d8a9eb7ce78c2409c4f46c60134cee184c0a68cad4ff536c653bb7c4239"`
Dec 19 10:02:04.134 INFO running `"docker" "rm" "-f" "02009d8a9eb7ce78c2409c4f46c60134cee184c0a68cad4ff536c653bb7c4239"`
Dec 19 10:02:04.436 INFO [stdout] 02009d8a9eb7ce78c2409c4f46c60134cee184c0a68cad4ff536c653bb7c4239