[INFO] updating cached repository https://github.com/phaazon/luminance-dummy
[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] 9e7d2570b0cff9c46684528c1650277542ba68ef
[INFO] testing phaazon/luminance-dummy against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphaazon%2Fluminance-dummy" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/phaazon/luminance-dummy 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/phaazon/luminance-dummy
[INFO] removed path dependency luminance from git repo https://github.com/phaazon/luminance-dummy
[INFO] removed path dependency luminance-glfw from git repo https://github.com/phaazon/luminance-dummy
[INFO] finished tweaking git repo https://github.com/phaazon/luminance-dummy
[INFO] tweaked toml for git repo https://github.com/phaazon/luminance-dummy written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/phaazon/luminance-dummy 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] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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] 1d54dc0f3fa923935ec41e41743b0876c97f41ddccbb49952dcbbd3558a9a4ea
[INFO] running `"docker" "start" "-a" "1d54dc0f3fa923935ec41e41743b0876c97f41ddccbb49952dcbbd3558a9a4ea"`
[INFO] [stderr] warning: dependency (luminance) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (luminance-glfw) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling glfw-sys v3.3.0
[INFO] [stderr]    Compiling gl v0.13.0
[INFO] [stderr]    Compiling glfw v0.31.0
[INFO] [stderr]    Compiling luminance v0.37.1
[INFO] [stderr]    Compiling luminance-windowing v0.8.0
[INFO] [stderr]    Compiling luminance-glfw v0.11.0
[INFO] [stderr]    Compiling luminance-dummy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0407]: method `swap_buffers` is not a member of trait `GraphicsContext`
[INFO] [stderr]   --> src/lib.rs:26:3
[INFO] [stderr]    |
[INFO] [stderr] 26 | /   fn swap_buffers(&mut self) {
[INFO] [stderr] 27 | |     println!("swapping buffers!");
[INFO] [stderr] 28 | |   }
[INFO] [stderr]    | |___^ not a member of trait `GraphicsContext`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `StateQueryError`
[INFO] [stderr]  --> src/lib.rs:6:39
[INFO] [stderr]   |
[INFO] [stderr] 6 | use luminance::state::{GraphicsState, StateQueryError};
[INFO] [stderr]   |                                       ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` 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 E0407`.
[INFO] [stderr] error: Could not compile `luminance-dummy`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1d54dc0f3fa923935ec41e41743b0876c97f41ddccbb49952dcbbd3558a9a4ea"`
[INFO] running `"docker" "rm" "-f" "1d54dc0f3fa923935ec41e41743b0876c97f41ddccbb49952dcbbd3558a9a4ea"`
[INFO] [stdout] 1d54dc0f3fa923935ec41e41743b0876c97f41ddccbb49952dcbbd3558a9a4ea