[INFO] crate coffee 0.3.2 is already in cache
[INFO] checking coffee-0.3.2 against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] extracting crate coffee 0.3.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate coffee 0.3.2 on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate coffee 0.3.2
[INFO] finished tweaking crates.io crate coffee 0.3.2
[INFO] tweaked toml for crates.io crate coffee 0.3.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate coffee 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 679a82e17d87b98a33f7c5f0e92958da1c2cf97fa300b7bf0475c9f2bd6a0e4e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "679a82e17d87b98a33f7c5f0e92958da1c2cf97fa300b7bf0475c9f2bd6a0e4e"`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling coffee v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking gif v0.10.2
[INFO] [stderr]     Checking matrixmultiply v0.2.2
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr] error: You need to enable a graphics backend feature. Available options: opengl, vulkan, metal, dx11, dx12.
[INFO] [stderr]   --> build.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / compile_error!(
[INFO] [stderr] 9  | |     "You need to enable a graphics backend feature. \
[INFO] [stderr] 10 | |      Available options: opengl, vulkan, metal, dx11, dx12."
[INFO] [stderr] 11 | | );
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[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 `"docker" "inspect" "679a82e17d87b98a33f7c5f0e92958da1c2cf97fa300b7bf0475c9f2bd6a0e4e"`
[INFO] running `"docker" "rm" "-f" "679a82e17d87b98a33f7c5f0e92958da1c2cf97fa300b7bf0475c9f2bd6a0e4e"`
[INFO] [stdout] 679a82e17d87b98a33f7c5f0e92958da1c2cf97fa300b7bf0475c9f2bd6a0e4e