[INFO] cloning repository https://github.com/Yotsuyubi/MonoBassSynth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yotsuyubi/MonoBassSynth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYotsuyubi%2FMonoBassSynth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYotsuyubi%2FMonoBassSynth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ccb3cebad7ef17d4f601220f59136f4feba05406
[INFO] checking Yotsuyubi/MonoBassSynth/ccb3cebad7ef17d4f601220f59136f4feba05406 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYotsuyubi%2FMonoBassSynth" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Yotsuyubi/MonoBassSynth on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Yotsuyubi/MonoBassSynth
[INFO] finished tweaking git repo https://github.com/Yotsuyubi/MonoBassSynth
[INFO] tweaked toml for git repo https://github.com/Yotsuyubi/MonoBassSynth written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Yotsuyubi/MonoBassSynth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/RustAudio/vst-rs.git`
[INFO] [stderr]     Updating git repository `https://github.com/Yotsuyubi/rust-vst-gui.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pkg-config v0.3.19
[INFO] [stderr]   Downloaded bitflags v1.2.1
[INFO] [stderr]   Downloaded core-foundation v0.7.0
[INFO] [stderr]   Downloaded cocoa v0.20.2
[INFO] [stderr]   Downloaded core-foundation-sys v0.7.0
[INFO] [stderr]   Downloaded core-graphics v0.19.2
[INFO] [stderr]   Downloaded memoffset v0.2.1
[INFO] [stderr]   Downloaded libloading v0.5.2
[INFO] [stderr]   Downloaded num-traits v0.2.14
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.10
[INFO] [stderr]   Downloaded getrandom v0.2.3
[INFO] [stderr]   Downloaded rand v0.8.3
[INFO] [stderr]   Downloaded rand_hc v0.3.0
[INFO] [stderr]   Downloaded rand_core v0.6.2
[INFO] [stderr]   Downloaded cc v1.0.68
[INFO] [stderr]   Downloaded libc v0.2.95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f7aea0d7dcf57dd87a680fda4756c75f7d26390d1301606c04dce19bd92b703
[INFO] running `Command { std: "docker" "start" "-a" "0f7aea0d7dcf57dd87a680fda4756c75f7d26390d1301606c04dce19bd92b703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f7aea0d7dcf57dd87a680fda4756c75f7d26390d1301606c04dce19bd92b703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f7aea0d7dcf57dd87a680fda4756c75f7d26390d1301606c04dce19bd92b703", kill_on_drop: false }`
[INFO] [stdout] 0f7aea0d7dcf57dd87a680fda4756c75f7d26390d1301606c04dce19bd92b703
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f05b7004cee995837e678aa37c7f7ba6efdce7ad93ff7d25d1868d3f1b56e3a
[INFO] running `Command { std: "docker" "start" "-a" "1f05b7004cee995837e678aa37c7f7ba6efdce7ad93ff7d25d1868d3f1b56e3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking vst v0.2.1 (https://github.com/RustAudio/vst-rs.git?rev=a398697b#a398697b)
[INFO] [stderr]     Checking vst-gui v0.2.0 (https://github.com/Yotsuyubi/rust-vst-gui.git?rev=72a3b4f#72a3b4f7)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/rust-vst-gui-d78a8a46a3f8a46a/72a3b4f/src/lib.rs:77:97
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn new_plugin_gui(
[INFO] [stdout]    |        -------------- implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 77 |     html_document: String, js_callback: JavascriptCallback, window_size: Option<(i32, i32)>) -> PluginGui
[INFO] [stdout]    |                                                                                                 ^^^^^^^^^ expected `PluginGui`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vst-gui` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1f05b7004cee995837e678aa37c7f7ba6efdce7ad93ff7d25d1868d3f1b56e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f05b7004cee995837e678aa37c7f7ba6efdce7ad93ff7d25d1868d3f1b56e3a", kill_on_drop: false }`
[INFO] [stdout] 1f05b7004cee995837e678aa37c7f7ba6efdce7ad93ff7d25d1868d3f1b56e3a