[INFO] updating cached repository neonmoe/fae
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/neonmoe/fae
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/neonmoe/fae" "work/ex/beta-1.38-1/sources/1.37.0/gh/neonmoe/fae"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/neonmoe/fae'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/neonmoe/fae" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/neonmoe/fae"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/neonmoe/fae'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fe0cd78198ae0eeec3bffb538971313a66d3b5e0
[INFO] sha for GitHub repo neonmoe/fae: fe0cd78198ae0eeec3bffb538971313a66d3b5e0
[INFO] validating manifest of neonmoe/fae 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 neonmoe/fae 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 neonmoe/fae
[INFO] finished frobbing neonmoe/fae
[INFO] frobbed toml for neonmoe/fae written to work/ex/beta-1.38-1/sources/1.37.0/gh/neonmoe/fae/Cargo.toml
[INFO] started frobbing neonmoe/fae
[INFO] finished frobbing neonmoe/fae
[INFO] frobbed toml for neonmoe/fae written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/neonmoe/fae/Cargo.toml
[INFO] crate neonmoe/fae 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 neonmoe/fae against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/neonmoe/fae:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 1273f16411d5e4bf300c05577b6e17b92578ba7b0f0c4537dcdb9fa9f9d5dab6
[INFO] running `"docker" "start" "-a" "1273f16411d5e4bf300c05577b6e17b92578ba7b0f0c4537dcdb9fa9f9d5dab6"`
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling fae v0.4.1-alpha.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling png v0.14.0
[INFO] [stderr]    Compiling rusttype v0.7.5
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> /opt/crater/target/debug/build/fae-46d2b5266a5d9d33/out/gl_bindings.rs:9:36
[INFO] [stderr]   |
[INFO] [stderr] 9 |         fn metaloadfn(loadfn: &mut FnMut(&'static str) -> *const __gl_imports::raw::c_void,
[INFO] [stderr]   |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&'static str) -> *const __gl_imports::raw::c_void`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/image.rs:34:56
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn from_png(bytes: &[u8]) -> Result<Image, Box<Error>> {
[INFO] [stderr]    |                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/text.rs:75:35
[INFO] [stderr]    |
[INFO] [stderr] 75 |     ) -> Result<TextRenderer, Box<Error>> {
[INFO] [stderr]    |                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/window/window_dummy.rs:108:68
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn create(settings: &WindowSettings) -> Result<Window, Box<Error>> {
[INFO] [stderr]     |                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/window/window_dummy.rs:148:32
[INFO] [stderr]     |
[INFO] [stderr] 148 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[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 `fae`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1273f16411d5e4bf300c05577b6e17b92578ba7b0f0c4537dcdb9fa9f9d5dab6"`
[INFO] running `"docker" "rm" "-f" "1273f16411d5e4bf300c05577b6e17b92578ba7b0f0c4537dcdb9fa9f9d5dab6"`
[INFO] [stdout] 1273f16411d5e4bf300c05577b6e17b92578ba7b0f0c4537dcdb9fa9f9d5dab6