[INFO] crate offscreen_gl_context 0.25.1 is already in cache
[INFO] testing offscreen_gl_context-0.25.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate offscreen_gl_context 0.25.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate offscreen_gl_context 0.25.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate offscreen_gl_context 0.25.1
[INFO] finished tweaking crates.io crate offscreen_gl_context 0.25.1
[INFO] tweaked toml for crates.io crate offscreen_gl_context 0.25.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d0354d635a791c67d79b34a73d1a3a1cff4173334e594784db2cfa1e5b0f9b9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2d0354d635a791c67d79b34a73d1a3a1cff4173334e594784db2cfa1e5b0f9b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d0354d635a791c67d79b34a73d1a3a1cff4173334e594784db2cfa1e5b0f9b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d0354d635a791c67d79b34a73d1a3a1cff4173334e594784db2cfa1e5b0f9b9", kill_on_drop: false }`
[INFO] [stdout] 2d0354d635a791c67d79b34a73d1a3a1cff4173334e594784db2cfa1e5b0f9b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 57338c4c32ac62bd87de8be108cb78a0493de103a59d6c9a705eb9b03b5721d4
[INFO] running `Command { std: "docker" "start" "-a" "57338c4c32ac62bd87de8be108cb78a0493de103a59d6c9a705eb9b03b5721d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling euclid v0.20.14
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling sparkle v0.1.25
[INFO] [stderr]    Compiling offscreen_gl_context v0.25.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/draw_buffer.rs:192:146
[INFO] [stdout]     |
[INFO] [stdout] 192 | ...                   formats.texture_internal as GLint, self.size.width, self.size.height, 0, formats.texture, formats.texture_type, None);
[INFO] [stdout]     |                                                                                                                                       ^^^^
[INFO] [stdout]     |                                                                                                                                       |
[INFO] [stdout]     |                                                                                                                                       expected enum `sparkle::gl::TexImageSource`, found enum `std::option::Option`
[INFO] [stdout]     |                                                                                                                                       help: try using a variant of the expected enum: `sparkle::gl::TexImageSource::Pixels(None)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `sparkle::gl::TexImageSource<'_>`
[INFO] [stdout]                found enum `std::option::Option<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `offscreen_gl_context`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "57338c4c32ac62bd87de8be108cb78a0493de103a59d6c9a705eb9b03b5721d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57338c4c32ac62bd87de8be108cb78a0493de103a59d6c9a705eb9b03b5721d4", kill_on_drop: false }`
[INFO] [stdout] 57338c4c32ac62bd87de8be108cb78a0493de103a59d6c9a705eb9b03b5721d4