[INFO] fetching crate azul 1.0.0-alpha4...
[INFO] documenting azul-1.0.0-alpha4 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate azul 1.0.0-alpha4 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate azul 1.0.0-alpha4 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--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-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d91dfc0b9a37c6de028d8bbd94505946e3e959d93f10b0fab4a931f3caa998d
[INFO] running `Command { std: "docker" "start" "-a" "2d91dfc0b9a37c6de028d8bbd94505946e3e959d93f10b0fab4a931f3caa998d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d91dfc0b9a37c6de028d8bbd94505946e3e959d93f10b0fab4a931f3caa998d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d91dfc0b9a37c6de028d8bbd94505946e3e959d93f10b0fab4a931f3caa998d", kill_on_drop: false }`
[INFO] [stdout] 2d91dfc0b9a37c6de028d8bbd94505946e3e959d93f10b0fab4a931f3caa998d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] defd99dfd2e6f3f8c0a29540a631317c3db1afca73cb3b83456443d3cf05d20d
[INFO] running `Command { std: "docker" "start" "-a" "defd99dfd2e6f3f8c0a29540a631317c3db1afca73cb3b83456443d3cf05d20d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "defd99dfd2e6f3f8c0a29540a631317c3db1afca73cb3b83456443d3cf05d20d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "defd99dfd2e6f3f8c0a29540a631317c3db1afca73cb3b83456443d3cf05d20d", kill_on_drop: false }`
[INFO] [stdout] defd99dfd2e6f3f8c0a29540a631317c3db1afca73cb3b83456443d3cf05d20d