[INFO] fetching crate offscreen_gl_context 0.25.1...
[INFO] checking offscreen_gl_context-0.25.1 against beta for pr-78714
[INFO] extracting crate offscreen_gl_context 0.25.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate offscreen_gl_context 0.25.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8023121b61c6c6514e9d4c64d4c756877cfe856a273cda09266d7614ae95eb95
[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" "8023121b61c6c6514e9d4c64d4c756877cfe856a273cda09266d7614ae95eb95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8023121b61c6c6514e9d4c64d4c756877cfe856a273cda09266d7614ae95eb95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8023121b61c6c6514e9d4c64d4c756877cfe856a273cda09266d7614ae95eb95", kill_on_drop: false }`
[INFO] [stdout] 8023121b61c6c6514e9d4c64d4c756877cfe856a273cda09266d7614ae95eb95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76bbf2f93821006bd49f7c8b9c7209f3f038844a731107d75303e92d2f4f5fa6
[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" "76bbf2f93821006bd49f7c8b9c7209f3f038844a731107d75303e92d2f4f5fa6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]     Checking 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 `TexImageSource`, found enum `Option`
[INFO] [stdout]     |                                                                                                                                       help: try using a variant of the expected enum: `Pixels(None)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `TexImageSource<'_>`
[INFO] [stdout]                found enum `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] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `TexImageSource`, found enum `Option`
[INFO] [stdout]     |                                                                                                                                       help: try using a variant of the expected enum: `Pixels(None)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `TexImageSource<'_>`
[INFO] [stdout]                found enum `Option<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[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] running `Command { std: "docker" "inspect" "76bbf2f93821006bd49f7c8b9c7209f3f038844a731107d75303e92d2f4f5fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76bbf2f93821006bd49f7c8b9c7209f3f038844a731107d75303e92d2f4f5fa6", kill_on_drop: false }`
[INFO] [stdout] 76bbf2f93821006bd49f7c8b9c7209f3f038844a731107d75303e92d2f4f5fa6