Dec 19 11:26:10.755 INFO checking opilar/wiki-miner against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 11:26:10.755 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/opilar/wiki-miner:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 11:26:11.244 INFO [stdout] 42094df92ebc7ec9840b4c2955af8836dded5c3b17e77d01c609b2ab54d884a3
Dec 19 11:26:11.250 INFO running `"docker" "start" "-a" "42094df92ebc7ec9840b4c2955af8836dded5c3b17e77d01c609b2ab54d884a3"`
Dec 19 11:26:13.304 INFO [stderr]    Compiling byteorder v1.2.2
Dec 19 11:26:13.310 INFO [stderr]     Checking serde v1.0.40
Dec 19 11:26:13.312 INFO [stderr]     Checking deunicode v0.4.2
Dec 19 11:26:13.316 INFO [stderr]    Compiling time v0.1.40
Dec 19 11:26:13.316 INFO [stderr]    Compiling memchr v2.0.2
Dec 19 11:26:13.316 INFO [stderr]    Compiling isatty v0.1.9
Dec 19 11:26:13.324 INFO [stderr]    Compiling rand v0.5.5
Dec 19 11:26:15.438 INFO [stderr]     Checking atty v0.2.11
Dec 19 11:26:15.482 INFO [stderr]     Checking base64 v0.9.2
Dec 19 11:26:15.703 INFO [stderr]     Checking slug v0.1.4
Dec 19 11:26:16.704 INFO [stderr]     Checking aho-corasick v0.6.8
Dec 19 11:26:16.714 INFO [stderr]     Checking nom v4.0.0
Dec 19 11:26:17.280 INFO [stderr]     Checking chrono v0.4.6
Dec 19 11:26:19.864 INFO [stderr]     Checking backtrace-sys v0.1.24
Dec 19 11:26:20.076 INFO [stderr]     Checking miniz-sys v0.1.10
Dec 19 11:26:20.542 INFO [stderr]    Compiling pear_codegen v0.0.20
Dec 19 11:26:20.612 INFO [stderr]     Checking clap v2.32.0
Dec 19 11:26:21.160 INFO [stderr]     Checking pretty-bytes v0.2.2
Dec 19 11:26:22.341 INFO [stderr]    Compiling base64 v0.6.0
Dec 19 11:26:25.200 INFO [stderr] error[E0599]: no variant named `concat` found for type `syntax::tokenstream::TokenStream` in the current scope
Dec 19 11:26:25.200 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.20/src/lib.rs:330:54
Dec 19 11:26:25.200 INFO [stderr]     |
Dec 19 11:26:25.200 INFO [stderr] 330 |                 mac.node.tts = ThinTokenStream::from(TokenStream::concat(streams));
Dec 19 11:26:25.200 INFO [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^ variant not found in `syntax::tokenstream::TokenStream`
Dec 19 11:26:25.200 INFO [stderr] 
Dec 19 11:26:25.296 INFO [stderr] error: aborting due to previous error
Dec 19 11:26:25.296 INFO [stderr] 
Dec 19 11:26:25.296 INFO [stderr] For more information about this error, try `rustc --explain E0599`.
Dec 19 11:26:25.308 INFO [stderr] error: Could not compile `pear_codegen`.
Dec 19 11:26:25.308 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 11:26:36.544 INFO [stderr] error: build failed
Dec 19 11:26:37.336 INFO running `"docker" "inspect" "42094df92ebc7ec9840b4c2955af8836dded5c3b17e77d01c609b2ab54d884a3"`
Dec 19 11:26:37.642 INFO running `"docker" "rm" "-f" "42094df92ebc7ec9840b4c2955af8836dded5c3b17e77d01c609b2ab54d884a3"`
Dec 19 11:26:37.900 INFO [stdout] 42094df92ebc7ec9840b4c2955af8836dded5c3b17e77d01c609b2ab54d884a3