[INFO] fetching crate coffee 0.4.1...
[INFO] checking coffee-0.4.1 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate coffee 0.4.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate coffee 0.4.1 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate coffee 0.4.1
[INFO] finished tweaking crates.io crate coffee 0.4.1
[INFO] tweaked toml for crates.io crate coffee 0.4.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate coffee 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", 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] 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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4349b51fd88b27d32c7f63a4114f59cd3742417a0ff1df2d31b4a0841bc4459
[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" "f4349b51fd88b27d32c7f63a4114f59cd3742417a0ff1df2d31b4a0841bc4459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4349b51fd88b27d32c7f63a4114f59cd3742417a0ff1df2d31b4a0841bc4459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4349b51fd88b27d32c7f63a4114f59cd3742417a0ff1df2d31b4a0841bc4459", kill_on_drop: false }`
[INFO] [stdout] f4349b51fd88b27d32c7f63a4114f59cd3742417a0ff1df2d31b4a0841bc4459
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c20cd994f15fac4683bc0184d635c5bd45f786f946f4182c0d8702964a90e8b5
[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" "c20cd994f15fac4683bc0184d635c5bd45f786f946f4182c0d8702964a90e8b5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling xml-rs v0.8.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking instant v0.1.3
[INFO] [stderr]    Compiling coffee v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stdout] error: You need to enable a graphics backend feature. Available options: opengl, vulkan, metal, dx11, dx12.
[INFO] [stdout]   --> build.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / compile_error!(
[INFO] [stdout] 9  | |     "You need to enable a graphics backend feature. \
[INFO] [stdout] 10 | |      Available options: opengl, vulkan, metal, dx11, dx12."
[INFO] [stdout] 11 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `coffee`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c20cd994f15fac4683bc0184d635c5bd45f786f946f4182c0d8702964a90e8b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c20cd994f15fac4683bc0184d635c5bd45f786f946f4182c0d8702964a90e8b5", kill_on_drop: false }`
[INFO] [stdout] c20cd994f15fac4683bc0184d635c5bd45f786f946f4182c0d8702964a90e8b5