[INFO] updating cached repository Afourcat/Gust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Afourcat/Gust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Afourcat/Gust" "work/ex/beta-1.37-6/sources/1.36.0/gh/Afourcat/Gust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Afourcat/Gust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Afourcat/Gust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Afourcat/Gust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Afourcat/Gust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0e56b18efcd9e033e287d993bfcb6cc0aa1fbaaa
[INFO] sha for GitHub repo Afourcat/Gust: 0e56b18efcd9e033e287d993bfcb6cc0aa1fbaaa
[INFO] validating manifest of Afourcat/Gust on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Afourcat/Gust on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Afourcat/Gust
[INFO] finished frobbing Afourcat/Gust
[INFO] frobbed toml for Afourcat/Gust written to work/ex/beta-1.37-6/sources/1.36.0/gh/Afourcat/Gust/Cargo.toml
[INFO] started frobbing Afourcat/Gust
[INFO] finished frobbing Afourcat/Gust
[INFO] frobbed toml for Afourcat/Gust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Afourcat/Gust/Cargo.toml
[INFO] crate Afourcat/Gust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Afourcat/Gust/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Afourcat/Gust against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Afourcat/Gust:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] cda4ff5fcdc7b395357f7bfac73bdf778f408b4bbb5b8c70fd1a256c5bdc3f52
[INFO] running `"docker" "start" "-a" "cda4ff5fcdc7b395357f7bfac73bdf778f408b4bbb5b8c70fd1a256c5bdc3f52"`
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling glfw-sys v3.3.0
[INFO] [stderr]    Compiling gl_generator v0.13.0
[INFO] [stderr]    Compiling alga v0.9.1
[INFO] [stderr]    Compiling freetype-rs v0.20.0
[INFO] [stderr]    Compiling crossbeam v0.7.2
[INFO] [stderr]    Compiling gl v0.13.0
[INFO] [stderr]    Compiling glfw v0.31.0
[INFO] [stderr]    Compiling nalgebra v0.18.0
[INFO] [stderr]    Compiling gust v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the beta release channel
[INFO] [stderr]   --> src/lib.rs:72:1
[INFO] [stderr]    |
[INFO] [stderr] 72 | #![feature(test)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/font.rs:121:91
[INFO] [stderr]     |
[INFO] [stderr] 121 |     pub fn update_texture(&mut self, char_info: &CharInfo, data: &[u8]) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[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/font.rs:225:89
[INFO] [stderr]     |
[INFO] [stderr] 225 |     fn create_glyph<'a>(&'a mut self, size: u32, code: u32) -> Result<&'a CharInfo, 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/font.rs:341:32
[INFO] [stderr]     |
[INFO] [stderr] 341 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gl_error.rs:38:32
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sprite.rs:365:32
[INFO] [stderr]     |
[INFO] [stderr] 365 |     fn cause(&self) -> Option<&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:59:54
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn dump_texture(&mut self) -> Result<(), 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/texture.rs:152:70
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub fn to_file<P: AsRef<Path>>(&self, path: P) -> Result<(), 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/texture.rs:490:32
[INFO] [stderr]     |
[INFO] [stderr] 490 |     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 `gust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "cda4ff5fcdc7b395357f7bfac73bdf778f408b4bbb5b8c70fd1a256c5bdc3f52"`
[INFO] running `"docker" "rm" "-f" "cda4ff5fcdc7b395357f7bfac73bdf778f408b4bbb5b8c70fd1a256c5bdc3f52"`
[INFO] [stdout] cda4ff5fcdc7b395357f7bfac73bdf778f408b4bbb5b8c70fd1a256c5bdc3f52