[INFO] fetching crate offscreen_gl_context 0.25.1...
[INFO] testing offscreen_gl_context-0.25.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate offscreen_gl_context 0.25.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate offscreen_gl_context 0.25.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 274faf6db08220743c0a8b87061b16c3f9f45f747a1f49aeefcea094990b0410
[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" "274faf6db08220743c0a8b87061b16c3f9f45f747a1f49aeefcea094990b0410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "274faf6db08220743c0a8b87061b16c3f9f45f747a1f49aeefcea094990b0410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "274faf6db08220743c0a8b87061b16c3f9f45f747a1f49aeefcea094990b0410", kill_on_drop: false }`
[INFO] [stdout] 274faf6db08220743c0a8b87061b16c3f9f45f747a1f49aeefcea094990b0410
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b20e57a25ff87466dd1a724998b9eef81b8580303736efe8d5aacb54d6dabed
[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" "8b20e57a25ff87466dd1a724998b9eef81b8580303736efe8d5aacb54d6dabed", kill_on_drop: false }`
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling x11 v2.19.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling num-traits v0.2.14
[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] [stderr]    Compiling euclid v0.20.14
[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: `sparkle::gl::TexImageSource::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` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8b20e57a25ff87466dd1a724998b9eef81b8580303736efe8d5aacb54d6dabed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b20e57a25ff87466dd1a724998b9eef81b8580303736efe8d5aacb54d6dabed", kill_on_drop: false }`
[INFO] [stdout] 8b20e57a25ff87466dd1a724998b9eef81b8580303736efe8d5aacb54d6dabed