[INFO] updating cached repository https://github.com/Osspial/emcee-editor
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5f43f2247355d76c400c9f3f29c846771f386bbc
[INFO] testing Osspial/emcee-editor against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FOsspial%2Femcee-editor" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Osspial/emcee-editor 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 git repo https://github.com/Osspial/emcee-editor
[INFO] finished tweaking git repo https://github.com/Osspial/emcee-editor
[INFO] tweaked toml for git repo https://github.com/Osspial/emcee-editor written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Osspial/emcee-editor already has a lockfile, it will not be regenerated
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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] 8e14d691c892551e80ad96bb018be2da8398e7e2fee035998ac6b243e6658986
[INFO] running `"docker" "start" "-a" "8e14d691c892551e80ad96bb018be2da8398e7e2fee035998ac6b243e6658986"`
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]    Compiling typed-arena v1.3.0
[INFO] [stderr]    Compiling termcolor v0.3.6
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.6
[INFO] [stderr]    Compiling cmake v0.1.30
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling regex-syntax v0.5.5
[INFO] [stderr]    Compiling parking_lot_core v0.2.13
[INFO] [stderr]    Compiling gl_generator v0.7.0
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling derive_more v0.6.2
[INFO] [stderr]    Compiling gullery_macros v0.1.0 (https://github.com/Osspial/gullery#6a54c84c)
[INFO] [stderr]    Compiling derin_macros v0.1.0 (https://github.com/Osspial/derin#1bcc5338)
[INFO] [stderr]    Compiling wayland-window v0.13.3
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/derin-724a69ce65812efb/1bcc533/derin_macros/src/lib.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | #![feature(nll)]
[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 `derin_macros`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "8e14d691c892551e80ad96bb018be2da8398e7e2fee035998ac6b243e6658986"`
[INFO] running `"docker" "rm" "-f" "8e14d691c892551e80ad96bb018be2da8398e7e2fee035998ac6b243e6658986"`
[INFO] [stdout] 8e14d691c892551e80ad96bb018be2da8398e7e2fee035998ac6b243e6658986