[INFO] updating cached repository tylerreisinger/rust-noise
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tylerreisinger/rust-noise
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tylerreisinger/rust-noise" "work/ex/beta-1.38-1/sources/1.37.0/gh/tylerreisinger/rust-noise"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tylerreisinger/rust-noise'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tylerreisinger/rust-noise" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tylerreisinger/rust-noise"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tylerreisinger/rust-noise'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e040ef8b688ba401f82900a97ba003b74b8991e2
[INFO] sha for GitHub repo tylerreisinger/rust-noise: e040ef8b688ba401f82900a97ba003b74b8991e2
[INFO] validating manifest of tylerreisinger/rust-noise 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 tylerreisinger/rust-noise 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 tylerreisinger/rust-noise
[INFO] finished frobbing tylerreisinger/rust-noise
[INFO] frobbed toml for tylerreisinger/rust-noise written to work/ex/beta-1.38-1/sources/1.37.0/gh/tylerreisinger/rust-noise/Cargo.toml
[INFO] started frobbing tylerreisinger/rust-noise
[INFO] finished frobbing tylerreisinger/rust-noise
[INFO] frobbed toml for tylerreisinger/rust-noise written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tylerreisinger/rust-noise/Cargo.toml
[INFO] crate tylerreisinger/rust-noise 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tylerreisinger/rust-noise 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/tylerreisinger/rust-noise:/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] 0788c9de7cfd7837b6e085ee92e9962138e280b77166b2affb5b3121ee8bff60
[INFO] running `"docker" "start" "-a" "0788c9de7cfd7837b6e085ee92e9962138e280b77166b2affb5b3121ee8bff60"`
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling noise_lib v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[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 `noise_lib`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "0788c9de7cfd7837b6e085ee92e9962138e280b77166b2affb5b3121ee8bff60"`
[INFO] running `"docker" "rm" "-f" "0788c9de7cfd7837b6e085ee92e9962138e280b77166b2affb5b3121ee8bff60"`
[INFO] [stdout] 0788c9de7cfd7837b6e085ee92e9962138e280b77166b2affb5b3121ee8bff60