Dec 19 09:35:44.237 INFO checking rychipman/snake against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 09:35:44.237 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/rychipman/snake:/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 09:35:44.488 INFO [stdout] 0edbac0df2f949e65d06671014971ad9778f6b920fbbc01cf94a78f3dafe9ce1
Dec 19 09:35:44.494 INFO running `"docker" "start" "-a" "0edbac0df2f949e65d06671014971ad9778f6b920fbbc01cf94a78f3dafe9ce1"`
Dec 19 09:35:45.834 INFO [stderr]    Compiling byteorder v1.2.6
Dec 19 09:35:45.839 INFO [stderr]    Compiling crossbeam-utils v0.2.2
Dec 19 09:35:45.839 INFO [stderr]    Compiling log v0.4.5
Dec 19 09:35:45.839 INFO [stderr]    Compiling isatty v0.1.9
Dec 19 09:35:45.839 INFO [stderr]     Checking base64 v0.6.0
Dec 19 09:35:45.839 INFO [stderr]    Compiling libsqlite3-sys v0.9.3
Dec 19 09:35:45.839 INFO [stderr]     Checking log v0.3.9
Dec 19 09:35:46.228 INFO [stderr]    Compiling serde v1.0.79
Dec 19 09:35:46.894 INFO [stderr]    Compiling smallvec v0.6.5
Dec 19 09:35:46.896 INFO [stderr]     Checking r2d2 v0.8.2
Dec 19 09:35:46.933 INFO [stderr]    Compiling memchr v2.1.0
Dec 19 09:35:46.937 INFO [stderr]    Compiling url v1.7.1
Dec 19 09:35:47.465 INFO [stderr]     Checking mime v0.2.6
Dec 19 09:35:47.512 INFO [stderr]     Checking toml v0.4.8
Dec 19 09:35:47.533 INFO [stderr]    Compiling pear_codegen v0.0.20
Dec 19 09:35:48.369 INFO [stderr]    Compiling base64 v0.9.3
Dec 19 09:35:48.413 INFO [stderr]    Compiling syn v0.15.7
Dec 19 09:35:49.242 INFO [stderr]    Compiling crossbeam-epoch v0.3.1
Dec 19 09:35:51.132 INFO [stderr]    Compiling diesel_derives v1.3.0
Dec 19 09:35:51.148 INFO [stderr]     Checking hyper v0.10.13
Dec 19 09:35:51.608 INFO [stderr] error[E0599]: no variant named `concat` found for type `syntax::tokenstream::TokenStream` in the current scope
Dec 19 09:35:51.608 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.20/src/lib.rs:330:54
Dec 19 09:35:51.608 INFO [stderr]     |
Dec 19 09:35:51.608 INFO [stderr] 330 |                 mac.node.tts = ThinTokenStream::from(TokenStream::concat(streams));
Dec 19 09:35:51.608 INFO [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^ variant not found in `syntax::tokenstream::TokenStream`
Dec 19 09:35:51.608 INFO [stderr] 
Dec 19 09:35:51.900 INFO [stderr] error: aborting due to previous error
Dec 19 09:35:51.904 INFO [stderr] 
Dec 19 09:35:51.904 INFO [stderr] For more information about this error, try `rustc --explain E0599`.
Dec 19 09:35:51.952 INFO [stderr] error: Could not compile `pear_codegen`.
Dec 19 09:35:51.952 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 09:36:11.353 INFO [stderr] error: build failed
Dec 19 09:36:12.259 INFO running `"docker" "inspect" "0edbac0df2f949e65d06671014971ad9778f6b920fbbc01cf94a78f3dafe9ce1"`
Dec 19 09:36:12.512 INFO running `"docker" "rm" "-f" "0edbac0df2f949e65d06671014971ad9778f6b920fbbc01cf94a78f3dafe9ce1"`
Dec 19 09:36:12.798 INFO [stdout] 0edbac0df2f949e65d06671014971ad9778f6b920fbbc01cf94a78f3dafe9ce1