[INFO] cloning repository https://github.com/reinvdwoerd/whisper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/reinvdwoerd/whisper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freinvdwoerd%2Fwhisper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freinvdwoerd%2Fwhisper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b2a814cd2369d2c88f9e9b560c4f759d2f74a5c
[INFO] checking reinvdwoerd/whisper against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freinvdwoerd%2Fwhisper" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/reinvdwoerd/whisper on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/reinvdwoerd/whisper
[INFO] removed path dependency vst from git repo https://github.com/reinvdwoerd/whisper
[INFO] finished tweaking git repo https://github.com/reinvdwoerd/whisper
[INFO] tweaked toml for git repo https://github.com/reinvdwoerd/whisper written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/reinvdwoerd/whisper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (vst) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/mikesoylu/rust-vst-gui.git`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (vst) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7176fe515afabf143380cc2a4c58a92cc6e62fa60499d425865d31af909bca7c
[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" "7176fe515afabf143380cc2a4c58a92cc6e62fa60499d425865d31af909bca7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7176fe515afabf143380cc2a4c58a92cc6e62fa60499d425865d31af909bca7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7176fe515afabf143380cc2a4c58a92cc6e62fa60499d425865d31af909bca7c", kill_on_drop: false }`
[INFO] [stdout] 7176fe515afabf143380cc2a4c58a92cc6e62fa60499d425865d31af909bca7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 867d992fc408042a2e39c3e81c2b76846537f2ca2ff43ea97e050d11344cbbe3
[INFO] running `Command { std: "docker" "start" "-a" "867d992fc408042a2e39c3e81c2b76846537f2ca2ff43ea97e050d11344cbbe3", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (vst) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Checking vst v0.2.0
[INFO] [stderr]     Checking lerp v0.2.0
[INFO] [stderr]     Checking vst-gui v0.2.0 (https://github.com/mikesoylu/rust-vst-gui.git#d17c09c9)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/rust-vst-gui-af300b96fc541511/d17c09c/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 struct `PluginGui`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "867d992fc408042a2e39c3e81c2b76846537f2ca2ff43ea97e050d11344cbbe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "867d992fc408042a2e39c3e81c2b76846537f2ca2ff43ea97e050d11344cbbe3", kill_on_drop: false }`
[INFO] [stdout] 867d992fc408042a2e39c3e81c2b76846537f2ca2ff43ea97e050d11344cbbe3