[INFO] fetching crate azul-text-layout 0.0.4...
[INFO] checking azul-text-layout-0.0.4 against 4d7c0cd298ace72490220301fa543d63a154f8ce for pr-164789
[INFO] extracting crate azul-text-layout 0.0.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate azul-text-layout 0.0.4
[INFO] finished tweaking crates.io crate azul-text-layout 0.0.4
[INFO] tweaked toml for crates.io crate azul-text-layout 0.0.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate azul-text-layout 0.0.4 on toolchain 4d7c0cd298ace72490220301fa543d63a154f8ce
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 20 packages to highest compatible versions
[INFO] [stderr]       Adding azul-core v0.0.2 (available: v0.0.16)
[INFO] [stderr]       Adding azul-css v0.0.1 (available: v0.0.16)
[INFO] [stderr]       Adding freetype v0.4.1 (available: v0.8.0)
[INFO] [stderr]       Adding harfbuzz-sys v0.3.4 (available: v0.8.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1846baf8fb0731bdccec6f7434462653d8058047016924eaa71e1115658398cb
[INFO] running `Command { std: "docker" "start" "1846baf8fb0731bdccec6f7434462653d8058047016924eaa71e1115658398cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1846baf8fb0731bdccec6f7434462653d8058047016924eaa71e1115658398cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1846baf8fb0731bdccec6f7434462653d8058047016924eaa71e1115658398cb" "/opt/rustwide/cargo-home/bin/cargo" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1846baf8fb0731bdccec6f7434462653d8058047016924eaa71e1115658398cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1846baf8fb0731bdccec6f7434462653d8058047016924eaa71e1115658398cb" "/opt/rustwide/cargo-home/bin/cargo" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling find-msvc-tools v0.1.15
[INFO] [stderr]    Compiling shlex v2.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.34
[INFO] [stderr]     Checking tinyvec v1.13.3
[INFO] [stderr]     Checking azul-css v0.0.1
[INFO] [stderr]    Compiling cc v1.10.0
[INFO] [stderr]     Checking unicode-normalization v0.1.26
[INFO] [stderr]     Checking azul-core v0.0.2
[INFO] [stdout] error: the `no_mangle` attribute cannot be used on structs
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/azul-core-0.0.2/src/callbacks.rs:202:3
[INFO] [stdout]     |
[INFO] [stdout] 202 | #[no_mangle] #[repr(C)] pub struct RefAnyPtr { pub ptr: *mut c_void }
[INFO] [stdout]     |   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: the `no_mangle` attribute can be applied to functions and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the `no_mangle` attribute cannot be used on structs
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/azul-core-0.0.2/src/callbacks.rs:555:3
[INFO] [stdout]     |
[INFO] [stdout] 555 | #[no_mangle] #[repr(C)] pub struct LayoutInfoPtr { pub ptr: *mut c_void }
[INFO] [stdout]     |   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: the `no_mangle` attribute can be applied to functions and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the `no_mangle` attribute cannot be used on structs
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/azul-core-0.0.2/src/dom.rs:924:3
[INFO] [stdout]     |
[INFO] [stdout] 924 | #[no_mangle] #[repr(C)] pub struct DomPtr { pub ptr: *mut c_void }
[INFO] [stdout]     |   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: the `no_mangle` attribute can be applied to functions and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cmake v0.1.58
[INFO] [stderr]    Compiling harfbuzz-sys v0.3.4
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr] error: could not compile `azul-core` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1846baf8fb0731bdccec6f7434462653d8058047016924eaa71e1115658398cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1846baf8fb0731bdccec6f7434462653d8058047016924eaa71e1115658398cb", kill_on_drop: false }`
[INFO] [stdout] 1846baf8fb0731bdccec6f7434462653d8058047016924eaa71e1115658398cb
