[INFO] updating cached repository https://github.com/obraunsdorf/VideoAnalysisController
[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] ecabcf32e3c104924baf559e6c1e803da0b6cd43
[INFO] testing obraunsdorf/VideoAnalysisController against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobraunsdorf%2FVideoAnalysisController" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  68% (11/16)   
Checking out files:  75% (12/16)   
Checking out files:  81% (13/16)   
Checking out files:  87% (14/16)   
Checking out files:  93% (15/16)   
Checking out files: 100% (16/16)   
Checking out files: 100% (16/16), done.
[INFO] validating manifest of git repo https://github.com/obraunsdorf/VideoAnalysisController on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/obraunsdorf/VideoAnalysisController
[INFO] finished tweaking git repo https://github.com/obraunsdorf/VideoAnalysisController
[INFO] tweaked toml for git repo https://github.com/obraunsdorf/VideoAnalysisController written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/obraunsdorf/VideoAnalysisController already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] f51c17d87a08bf82fc2ec16506cded6bf7e70ef5152fc6e1a799fa3143804a8a
[INFO] running `"docker" "start" "-a" "f51c17d87a08bf82fc2ec16506cded6bf7e70ef5152fc6e1a799fa3143804a8a"`
[INFO] [stderr]    Compiling bitflags v1.0.5
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling VideoAnalysisController v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling vlc-rs v0.3.0 (https://github.com/obraunsdorf/vlc-rs#ac9db5c9)
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling gilrs-core v0.2.2
[INFO] [stderr]    Compiling gilrs v0.7.1
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(duration_float)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `ClipOf_O_D` should have an upper camel case name
[INFO] [stderr]   --> src/main.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub enum ClipOf_O_D {
[INFO] [stderr]    |          ^^^^^^^^^^ help: convert the identifier to upper camel case: `ClipOfOD`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[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 `VideoAnalysisController`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f51c17d87a08bf82fc2ec16506cded6bf7e70ef5152fc6e1a799fa3143804a8a"`
[INFO] running `"docker" "rm" "-f" "f51c17d87a08bf82fc2ec16506cded6bf7e70ef5152fc6e1a799fa3143804a8a"`
[INFO] [stdout] f51c17d87a08bf82fc2ec16506cded6bf7e70ef5152fc6e1a799fa3143804a8a