[INFO] updating cached repository luc-tielen/fire-emblem-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/luc-tielen/fire-emblem-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/luc-tielen/fire-emblem-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/luc-tielen/fire-emblem-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/luc-tielen/fire-emblem-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/luc-tielen/fire-emblem-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/luc-tielen/fire-emblem-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/luc-tielen/fire-emblem-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 25b63a5bb4ac4c439da2c4a07a8992fb4398e36a
[INFO] sha for GitHub repo luc-tielen/fire-emblem-rs: 25b63a5bb4ac4c439da2c4a07a8992fb4398e36a
[INFO] validating manifest of luc-tielen/fire-emblem-rs 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 luc-tielen/fire-emblem-rs 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 luc-tielen/fire-emblem-rs
[INFO] finished frobbing luc-tielen/fire-emblem-rs
[INFO] frobbed toml for luc-tielen/fire-emblem-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/luc-tielen/fire-emblem-rs/Cargo.toml
[INFO] started frobbing luc-tielen/fire-emblem-rs
[INFO] finished frobbing luc-tielen/fire-emblem-rs
[INFO] frobbed toml for luc-tielen/fire-emblem-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/luc-tielen/fire-emblem-rs/Cargo.toml
[INFO] crate luc-tielen/fire-emblem-rs 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 luc-tielen/fire-emblem-rs 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/luc-tielen/fire-emblem-rs:/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] ae6037d7d5c545c2c119e3f4f511fee2e9e5243fd4e3afb9a2a8d45196480a56
[INFO] running `"docker" "start" "-a" "ae6037d7d5c545c2c119e3f4f511fee2e9e5243fd4e3afb9a2a8d45196480a56"`
[INFO] [stderr]    Compiling gio v0.2.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.2.0
[INFO] [stderr]    Compiling cairo-rs v0.2.0
[INFO] [stderr]    Compiling gdk v0.6.0
[INFO] [stderr]    Compiling c_vec v1.2.1
[INFO] [stderr]    Compiling gtk v0.2.0
[INFO] [stderr]    Compiling glib-sys v0.4.0
[INFO] [stderr]    Compiling gobject-sys v0.4.0
[INFO] [stderr]    Compiling gio-sys v0.4.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.4.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.4.0
[INFO] [stderr]    Compiling pango-sys v0.4.0
[INFO] [stderr]    Compiling atk-sys v0.4.0
[INFO] [stderr]    Compiling gdk-sys v0.4.0
[INFO] [stderr]    Compiling gtk-sys v0.4.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling futures-glib v0.2.1
[INFO] [stderr]    Compiling glib v0.3.1
[INFO] [stderr]    Compiling relm-core v0.10.1
[INFO] [stderr]    Compiling relm-state v0.10.1
[INFO] [stderr]    Compiling relm-gen-widget v0.10.0
[INFO] [stderr]    Compiling relm-derive-common v0.10.0
[INFO] [stderr]    Compiling pango v0.2.0
[INFO] [stderr]    Compiling relm-attributes v0.10.0
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/relm-attributes-0.10.0/src/lib.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | #![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 `relm-attributes`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "ae6037d7d5c545c2c119e3f4f511fee2e9e5243fd4e3afb9a2a8d45196480a56"`
[INFO] running `"docker" "rm" "-f" "ae6037d7d5c545c2c119e3f4f511fee2e9e5243fd4e3afb9a2a8d45196480a56"`
[INFO] [stdout] ae6037d7d5c545c2c119e3f4f511fee2e9e5243fd4e3afb9a2a8d45196480a56