[INFO] updating cached repository https://github.com/neonmoe/fae
[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] fe0cd78198ae0eeec3bffb538971313a66d3b5e0
[INFO] testing neonmoe/fae against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneonmoe%2Ffae" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/neonmoe/fae on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/neonmoe/fae
[INFO] finished tweaking git repo https://github.com/neonmoe/fae
[INFO] tweaked toml for git repo https://github.com/neonmoe/fae written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/neonmoe/fae already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 68f6ea39be9048d99937b8d33d9862e217ee9e80908d946f5f3f4c23aa12c53a
[INFO] running `"docker" "start" "-a" "68f6ea39be9048d99937b8d33d9862e217ee9e80908d946f5f3f4c23aa12c53a"`
[INFO] [stderr]    Compiling khronos_api v3.0.0
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling stb_truetype v0.2.6
[INFO] [stderr]    Compiling approx v0.3.1
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]    Compiling ordered-float v1.0.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling png v0.14.0
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling rusttype v0.7.5
[INFO] [stderr]    Compiling fae v0.4.1-alpha.0 (/opt/rustwide/workdir)
[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/rustwide/target/debug/build/fae-b69dfbc523dcdc28/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" "68f6ea39be9048d99937b8d33d9862e217ee9e80908d946f5f3f4c23aa12c53a"`
[INFO] running `"docker" "rm" "-f" "68f6ea39be9048d99937b8d33d9862e217ee9e80908d946f5f3f4c23aa12c53a"`
[INFO] [stdout] 68f6ea39be9048d99937b8d33d9862e217ee9e80908d946f5f3f4c23aa12c53a