Dec 19 08:12:15.487 INFO checking steadylearner/Rust_Blog against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 08:12:15.487 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/steadylearner/Rust_Blog:/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 08:12:16.050 INFO [stdout] 4f61f43aed81520dd1750184551d31187ebc58a6f0e305364662679ff705e3c2
Dec 19 08:12:16.052 INFO running `"docker" "start" "-a" "4f61f43aed81520dd1750184551d31187ebc58a6f0e305364662679ff705e3c2"`
Dec 19 08:12:19.457 INFO [stderr]     Checking unic-char-range v0.7.0
Dec 19 08:12:19.457 INFO [stderr]     Checking unic-common v0.7.0
Dec 19 08:12:19.473 INFO [stderr]    Compiling pulldown-cmark v0.1.2
Dec 19 08:12:19.493 INFO [stderr]     Checking termios v0.3.1
Dec 19 08:12:19.504 INFO [stderr]    Compiling pest v2.0.1
Dec 19 08:12:19.504 INFO [stderr]     Checking clicolors-control v0.2.0
Dec 19 08:12:19.504 INFO [stderr]     Checking want v0.0.6
Dec 19 08:12:20.136 INFO [stderr]     Checking r2d2 v0.8.2
Dec 19 08:12:20.138 INFO [stderr]     Checking tokio-io v0.1.10
Dec 19 08:12:20.260 INFO [stderr]     Checking fake v1.2.2
Dec 19 08:12:20.305 INFO [stderr]     Checking unic-char-property v0.7.0
Dec 19 08:12:20.616 INFO [stderr]     Checking unic-ucd-version v0.7.0
Dec 19 08:12:20.700 INFO [stderr]     Checking serde_json v1.0.32
Dec 19 08:12:20.762 INFO [stderr]    Compiling pear_codegen v0.0.20
Dec 19 08:12:21.016 INFO [stderr]    Compiling syn v0.15.12
Dec 19 08:12:22.025 INFO [stderr]    Compiling diesel_derives v1.3.0
Dec 19 08:12:22.724 INFO [stderr]     Checking openssl v0.10.15
Dec 19 08:12:23.844 INFO [stderr]     Checking block-cipher-trait v0.5.3
Dec 19 08:12:24.612 INFO [stderr]     Checking serde_urlencoded v0.5.3
Dec 19 08:12:25.476 INFO [stderr] error[E0599]: no variant named `concat` found for type `syntax::tokenstream::TokenStream` in the current scope
Dec 19 08:12:25.476 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.20/src/lib.rs:330:54
Dec 19 08:12:25.476 INFO [stderr]     |
Dec 19 08:12:25.476 INFO [stderr] 330 |                 mac.node.tts = ThinTokenStream::from(TokenStream::concat(streams));
Dec 19 08:12:25.476 INFO [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^ variant not found in `syntax::tokenstream::TokenStream`
Dec 19 08:12:25.484 INFO [stderr] 
Dec 19 08:12:25.777 INFO [stderr] error: aborting due to previous error
Dec 19 08:12:25.778 INFO [stderr] 
Dec 19 08:12:25.784 INFO [stderr] For more information about this error, try `rustc --explain E0599`.
Dec 19 08:12:25.880 INFO [stderr] error: Could not compile `pear_codegen`.
Dec 19 08:12:25.880 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 08:12:40.140 INFO [stderr] error: build failed
Dec 19 08:12:40.774 INFO running `"docker" "inspect" "4f61f43aed81520dd1750184551d31187ebc58a6f0e305364662679ff705e3c2"`
Dec 19 08:12:41.224 INFO running `"docker" "rm" "-f" "4f61f43aed81520dd1750184551d31187ebc58a6f0e305364662679ff705e3c2"`
Dec 19 08:12:41.524 INFO [stdout] 4f61f43aed81520dd1750184551d31187ebc58a6f0e305364662679ff705e3c2