[INFO] fetching crate coffee 0.4.1...
[INFO] checking coffee-0.4.1 against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] extracting crate coffee 0.4.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate coffee 0.4.1 on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-13/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" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gfx-auxil v0.3.0
[INFO] [stderr]   Downloaded gfx_glyph v0.15.0
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.5.0
[INFO] [stderr]   Downloaded wgpu_glyph v0.8.0
[INFO] [stderr]   Downloaded wgpu-core v0.5.3
[INFO] [stderr]   Downloaded gfx-backend-dx11 v0.5.0
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.5.2
[INFO] [stderr]   Downloaded spirv_cross v0.18.0
[INFO] [stderr]   Downloaded gfx-backend-metal v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", 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] 71eb2678a5becbf70623c3279c58a27669545a06b6a75735e7fbbd7d5ccdefa5
[INFO] running `Command { std: "docker" "start" "-a" "71eb2678a5becbf70623c3279c58a27669545a06b6a75735e7fbbd7d5ccdefa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71eb2678a5becbf70623c3279c58a27669545a06b6a75735e7fbbd7d5ccdefa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71eb2678a5becbf70623c3279c58a27669545a06b6a75735e7fbbd7d5ccdefa5", kill_on_drop: false }`
[INFO] [stdout] 71eb2678a5becbf70623c3279c58a27669545a06b6a75735e7fbbd7d5ccdefa5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a92f27f31f67d8bef255e41c525121d3f16c6bb49d7423c8596870edd8b023dc
[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" "a92f27f31f67d8bef255e41c525121d3f16c6bb49d7423c8596870edd8b023dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling xml-rs v0.8.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking instant v0.1.3
[INFO] [stderr]    Compiling coffee v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[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]    Compiling num-iter v0.1.40
[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" "a92f27f31f67d8bef255e41c525121d3f16c6bb49d7423c8596870edd8b023dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a92f27f31f67d8bef255e41c525121d3f16c6bb49d7423c8596870edd8b023dc", kill_on_drop: false }`
[INFO] [stdout] a92f27f31f67d8bef255e41c525121d3f16c6bb49d7423c8596870edd8b023dc