Dec 19 11:10:04.945 INFO checking pavelkvasnikov/rust_minify against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 11:10:04.945 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/pavelkvasnikov/rust_minify:/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 11:10:05.255 INFO [stdout] 68da554a32f33ec084b835dd67ce88f409302856a94a8da704c456c73cf67f02
Dec 19 11:10:05.256 INFO running `"docker" "start" "-a" "68da554a32f33ec084b835dd67ce88f409302856a94a8da704c456c73cf67f02"`
Dec 19 11:10:06.016 INFO [stderr]     Checking minifier v0.0.1
Dec 19 11:10:06.017 INFO [stderr]    Compiling pear_codegen v0.0.20
Dec 19 11:10:06.017 INFO [stderr]    Compiling rocket v0.3.16
Dec 19 11:10:06.017 INFO [stderr]    Compiling rocket_codegen v0.3.16
Dec 19 11:10:06.017 INFO [stderr]    Compiling httparse v1.3.2
Dec 19 11:10:06.017 INFO [stderr]    Compiling serde v1.0.79
Dec 19 11:10:06.048 INFO [stderr]    Compiling lazy_static v1.1.0
Dec 19 11:10:06.048 INFO [stderr]    Compiling memchr v2.1.0
Dec 19 11:10:06.561 INFO [stderr]     Checking serde_json v1.0.28
Dec 19 11:10:06.999 INFO [stderr]    Compiling crossbeam-epoch v0.3.1
Dec 19 11:10:08.742 INFO [stderr]    Compiling hyper v0.10.13
Dec 19 11:10:09.632 INFO [stderr]    Compiling crossbeam-deque v0.2.0
Dec 19 11:10:10.689 INFO [stderr]    Compiling rayon-core v1.4.1
Dec 19 11:10:12.992 INFO [stderr] error[E0599]: no variant named `concat` found for type `syntax::tokenstream::TokenStream` in the current scope
Dec 19 11:10:12.992 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.20/src/lib.rs:330:54
Dec 19 11:10:12.992 INFO [stderr]     |
Dec 19 11:10:12.992 INFO [stderr] 330 |                 mac.node.tts = ThinTokenStream::from(TokenStream::concat(streams));
Dec 19 11:10:12.992 INFO [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^ variant not found in `syntax::tokenstream::TokenStream`
Dec 19 11:10:13.004 INFO [stderr] 
Dec 19 11:10:13.252 INFO [stderr] error: aborting due to previous error
Dec 19 11:10:13.252 INFO [stderr] 
Dec 19 11:10:13.252 INFO [stderr] For more information about this error, try `rustc --explain E0599`.
Dec 19 11:10:13.369 INFO [stderr] error: Could not compile `pear_codegen`.
Dec 19 11:10:13.375 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 11:10:24.048 INFO [stderr] error: build failed
Dec 19 11:10:24.950 INFO running `"docker" "inspect" "68da554a32f33ec084b835dd67ce88f409302856a94a8da704c456c73cf67f02"`
Dec 19 11:10:25.270 INFO running `"docker" "rm" "-f" "68da554a32f33ec084b835dd67ce88f409302856a94a8da704c456c73cf67f02"`
Dec 19 11:10:25.537 INFO [stdout] 68da554a32f33ec084b835dd67ce88f409302856a94a8da704c456c73cf67f02