[INFO] fetching crate azul 1.0.0-alpha4...
[INFO] testing azul-1.0.0-alpha4 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate azul 1.0.0-alpha4 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate azul 1.0.0-alpha4 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 azul 1.0.0-alpha4
[INFO] finished tweaking crates.io crate azul 1.0.0-alpha4
[INFO] tweaked toml for crates.io crate azul 1.0.0-alpha4 written to /workspace/builds/worker-41/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 8884f69340fe1cf534b456aa01397f0aa96e503b062dfd643e18c4f5ae081cdf
[INFO] running `Command { std: "docker" "start" "-a" "8884f69340fe1cf534b456aa01397f0aa96e503b062dfd643e18c4f5ae081cdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8884f69340fe1cf534b456aa01397f0aa96e503b062dfd643e18c4f5ae081cdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8884f69340fe1cf534b456aa01397f0aa96e503b062dfd643e18c4f5ae081cdf", kill_on_drop: false }`
[INFO] [stdout] 8884f69340fe1cf534b456aa01397f0aa96e503b062dfd643e18c4f5ae081cdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 6f07ef09e72ff36785fabfaf10a821d7cd6247909f7dbf6f54857eafc6efe57a
[INFO] running `Command { std: "docker" "start" "-a" "6f07ef09e72ff36785fabfaf10a821d7cd6247909f7dbf6f54857eafc6efe57a", kill_on_drop: false }`
[INFO] [stderr]    Compiling azul v1.0.0-alpha4 (/opt/rustwide/workdir)
[INFO] [stdout] error: environment variable `AZUL_LINK_PATH` not defined
[INFO] [stdout]  --> build.rs:4:48
[INFO] [stdout]   |
[INFO] [stdout] 4 |         println!("cargo:rustc-link-search={}", env!("AZUL_LINK_PATH")); /* path to folder with azul.dll / libazul.so */
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `azul` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6f07ef09e72ff36785fabfaf10a821d7cd6247909f7dbf6f54857eafc6efe57a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f07ef09e72ff36785fabfaf10a821d7cd6247909f7dbf6f54857eafc6efe57a", kill_on_drop: false }`
[INFO] [stdout] 6f07ef09e72ff36785fabfaf10a821d7cd6247909f7dbf6f54857eafc6efe57a