[INFO] updating cached repository Osspial/emcee-editor
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Osspial/emcee-editor
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Osspial/emcee-editor" "work/ex/beta-1.38-1/sources/1.37.0/gh/Osspial/emcee-editor"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Osspial/emcee-editor'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Osspial/emcee-editor" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Osspial/emcee-editor"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Osspial/emcee-editor'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5f43f2247355d76c400c9f3f29c846771f386bbc
[INFO] sha for GitHub repo Osspial/emcee-editor: 5f43f2247355d76c400c9f3f29c846771f386bbc
[INFO] validating manifest of Osspial/emcee-editor 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 Osspial/emcee-editor 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 Osspial/emcee-editor
[INFO] finished frobbing Osspial/emcee-editor
[INFO] frobbed toml for Osspial/emcee-editor written to work/ex/beta-1.38-1/sources/1.37.0/gh/Osspial/emcee-editor/Cargo.toml
[INFO] started frobbing Osspial/emcee-editor
[INFO] finished frobbing Osspial/emcee-editor
[INFO] frobbed toml for Osspial/emcee-editor written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Osspial/emcee-editor/Cargo.toml
[INFO] crate Osspial/emcee-editor 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing Osspial/emcee-editor 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-3/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/Osspial/emcee-editor:/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] 0bd0c1451bdcb2f2b284d5ba25f76d16f77e714b0a24fcc4801ce54e73bdd007
[INFO] running `"docker" "start" "-a" "0bd0c1451bdcb2f2b284d5ba25f76d16f77e714b0a24fcc4801ce54e73bdd007"`
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling cmake v0.1.30
[INFO] [stderr]    Compiling x11-dl v2.17.5
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]    Compiling atty v0.2.8
[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 derive-error v0.0.4
[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] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> /opt/crater/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" "0bd0c1451bdcb2f2b284d5ba25f76d16f77e714b0a24fcc4801ce54e73bdd007"`
[INFO] running `"docker" "rm" "-f" "0bd0c1451bdcb2f2b284d5ba25f76d16f77e714b0a24fcc4801ce54e73bdd007"`
[INFO] [stdout] 0bd0c1451bdcb2f2b284d5ba25f76d16f77e714b0a24fcc4801ce54e73bdd007