[INFO] updating cached repository rise-ui/rise
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rise-ui/rise
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rise-ui/rise" "work/ex/beta-1.38-1/sources/1.37.0/gh/rise-ui/rise"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rise-ui/rise'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rise-ui/rise" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rise-ui/rise"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rise-ui/rise'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 46560a8f82c98e06e58c0c70e6fd5db2a7948809
[INFO] sha for GitHub repo rise-ui/rise: 46560a8f82c98e06e58c0c70e6fd5db2a7948809
[INFO] validating manifest of rise-ui/rise on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rise-ui/rise on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rise-ui/rise
[INFO] finished frobbing rise-ui/rise
[INFO] frobbed toml for rise-ui/rise written to work/ex/beta-1.38-1/sources/1.37.0/gh/rise-ui/rise/Cargo.toml
[INFO] started frobbing rise-ui/rise
[INFO] finished frobbing rise-ui/rise
[INFO] frobbed toml for rise-ui/rise written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rise-ui/rise/Cargo.toml
[INFO] crate rise-ui/rise already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rise-ui/rise against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rise-ui/rise:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] ed8b877416b64674fad64871124257f4922002b529ab7e57ea9b9712ae1fd38f
[INFO] running `"docker" "start" "-a" "ed8b877416b64674fad64871124257f4922002b529ab7e57ea9b9712ae1fd38f"`
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling bindgen v0.37.4
[INFO] [stderr]    Compiling binary-space-partition v0.1.2
[INFO] [stderr]    Compiling enum_extract v0.1.1
[INFO] [stderr]    Compiling thread_profiler v0.1.3
[INFO] [stderr]    Compiling interpolation v0.2.0
[INFO] [stderr]    Compiling bit-vec v0.5.0
[INFO] [stderr]    Compiling compare v0.0.6
[INFO] [stderr]    Compiling multi_mut v0.1.3
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]    Compiling block-padding v0.1.3
[INFO] [stderr]    Compiling stb_truetype v0.2.6
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling yaml-rust v0.4.2
[INFO] [stderr]    Compiling css-color-parser v0.1.2
[INFO] [stderr]    Compiling bit-set v0.5.0
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling approx v0.3.1
[INFO] [stderr]    Compiling rsx-arena v0.1.0 (https://github.com/rise-ui/dom-lite#d8509113)
[INFO] [stderr]    Compiling self-tokenize-macro v0.1.0 (https://github.com/victorporof/rust-self-tokenize.git#161707ea)
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> /opt/crater/cargo-home/git/checkouts/rust-self-tokenize-482c8fa371a49a0b/161707e/self-tokenize-derive/src/lib.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | #![feature(proc_macro)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `self-tokenize-macro`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "ed8b877416b64674fad64871124257f4922002b529ab7e57ea9b9712ae1fd38f"`
[INFO] running `"docker" "rm" "-f" "ed8b877416b64674fad64871124257f4922002b529ab7e57ea9b9712ae1fd38f"`
[INFO] [stdout] ed8b877416b64674fad64871124257f4922002b529ab7e57ea9b9712ae1fd38f