Dec 19 14:20:19.825 INFO checking kingdido999/lite-hacker-news against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 14:20:19.825 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/kingdido999/lite-hacker-news:/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 14:20:20.334 INFO [stdout] 697cdbd18e8ba67775bcfe6a0e3b7d5489ff88f73b710e45c1bbc45f08f774aa
Dec 19 14:20:20.336 INFO running `"docker" "start" "-a" "697cdbd18e8ba67775bcfe6a0e3b7d5489ff88f73b710e45c1bbc45f08f774aa"`
Dec 19 14:20:22.158 INFO [stderr]     Checking nom v2.1.0
Dec 19 14:20:22.167 INFO [stderr]    Compiling openssl-sys v0.9.35
Dec 19 14:20:22.180 INFO [stderr]    Compiling serde v1.0.78
Dec 19 14:20:22.188 INFO [stderr]    Compiling pear_codegen v0.0.20
Dec 19 14:20:22.200 INFO [stderr]    Compiling hyper v0.10.13
Dec 19 14:20:22.200 INFO [stderr]     Checking serde_urlencoded v0.5.3
Dec 19 14:20:22.200 INFO [stderr]     Checking error-chain v0.10.0
Dec 19 14:20:22.200 INFO [stderr]     Checking diesel v1.3.3
Dec 19 14:20:26.315 INFO [stderr]    Compiling rayon v0.7.1
Dec 19 14:20:26.352 INFO [stderr]     Checking hyper v0.11.27
Dec 19 14:20:29.018 INFO [stderr]    Compiling openssl v0.9.24
Dec 19 14:20:30.556 INFO [stderr] error[E0599]: no variant named `concat` found for type `syntax::tokenstream::TokenStream` in the current scope
Dec 19 14:20:30.556 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.20/src/lib.rs:330:54
Dec 19 14:20:30.556 INFO [stderr]     |
Dec 19 14:20:30.556 INFO [stderr] 330 |                 mac.node.tts = ThinTokenStream::from(TokenStream::concat(streams));
Dec 19 14:20:30.556 INFO [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^ variant not found in `syntax::tokenstream::TokenStream`
Dec 19 14:20:30.556 INFO [stderr] 
Dec 19 14:20:30.864 INFO [stderr] error: aborting due to previous error
Dec 19 14:20:30.864 INFO [stderr] 
Dec 19 14:20:30.864 INFO [stderr] For more information about this error, try `rustc --explain E0599`.
Dec 19 14:20:30.880 INFO [stderr]     Checking cron v0.6.0
Dec 19 14:20:30.908 INFO [stderr] error: Could not compile `pear_codegen`.
Dec 19 14:20:30.908 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 14:21:14.948 INFO [stderr] error: build failed
Dec 19 14:21:16.134 INFO running `"docker" "inspect" "697cdbd18e8ba67775bcfe6a0e3b7d5489ff88f73b710e45c1bbc45f08f774aa"`
Dec 19 14:21:16.450 INFO running `"docker" "rm" "-f" "697cdbd18e8ba67775bcfe6a0e3b7d5489ff88f73b710e45c1bbc45f08f774aa"`
Dec 19 14:21:16.764 INFO [stdout] 697cdbd18e8ba67775bcfe6a0e3b7d5489ff88f73b710e45c1bbc45f08f774aa