[INFO] crate spectra 0.13.0 is already in cache
[INFO] testing spectra-0.13.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate spectra 0.13.0 into work/builds/worker-7/source
[INFO] validating manifest of crates.io crate spectra 0.13.0 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate spectra 0.13.0
[INFO] finished tweaking crates.io crate spectra 0.13.0
[INFO] tweaked toml for crates.io crate spectra 0.13.0 written to work/builds/worker-7/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 928616cbe7889ab608c73cbf420d6b3fcb8456da1384ad2fa336b5a677f8d6bd
[INFO] running `"docker" "start" "-a" "928616cbe7889ab608c73cbf420d6b3fcb8456da1384ad2fa336b5a677f8d6bd"`
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling any-cache v0.2.3
[INFO] [stderr]    Compiling wavefront_obj v5.1.0
[INFO] [stderr]    Compiling vorbis-encoder v0.1.4
[INFO] [stderr]    Compiling vorbisfile-sys v0.0.8
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling glfw-sys v3.3.0
[INFO] [stderr]    Compiling al-sys v0.6.1
[INFO] [stderr]    Compiling iovec v0.1.3
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling filetime v0.2.7
[INFO] [stderr]    Compiling ogg-sys v0.0.9
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling glsl v0.9.2
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling vorbis-sys v0.0.8
[INFO] [stderr]    Compiling inotify v0.6.1
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling parking_lot v0.4.8
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling vorbis v0.1.0
[INFO] [stderr]    Compiling notify v4.0.13
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling alto v3.0.4
[INFO] [stderr]    Compiling warmy v0.7.3
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling glfw v0.23.0
[INFO] [stderr]    Compiling cheddar v0.1.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.16
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cheddar-0.1.0/src/lib.rs:257:1
[INFO] [stderr]     |
[INFO] [stderr] 257 | #![feature(box_syntax)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cheddar-0.1.0/src/lib.rs:258:1
[INFO] [stderr]     |
[INFO] [stderr] 258 | #![feature(box_patterns)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `cheddar`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "928616cbe7889ab608c73cbf420d6b3fcb8456da1384ad2fa336b5a677f8d6bd"`
[INFO] running `"docker" "rm" "-f" "928616cbe7889ab608c73cbf420d6b3fcb8456da1384ad2fa336b5a677f8d6bd"`
[INFO] [stdout] 928616cbe7889ab608c73cbf420d6b3fcb8456da1384ad2fa336b5a677f8d6bd