[INFO] cloning repository https://github.com/not-holar/volume_control_for_voicemeeter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/not-holar/volume_control_for_voicemeeter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnot-holar%2Fvolume_control_for_voicemeeter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnot-holar%2Fvolume_control_for_voicemeeter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c52cb212b0d3e7d164be07182daa639ac2280648
[INFO] checking not-holar/volume_control_for_voicemeeter/c52cb212b0d3e7d164be07182daa639ac2280648 against master#f8f6997469237299c1d60814c7b9828602a1f8e4 for pr-143808
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnot-holar%2Fvolume_control_for_voicemeeter" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/not-holar/volume_control_for_voicemeeter
[INFO] finished tweaking git repo https://github.com/not-holar/volume_control_for_voicemeeter
[INFO] tweaked toml for git repo https://github.com/not-holar/volume_control_for_voicemeeter written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/not-holar/volume_control_for_voicemeeter on toolchain f8f6997469237299c1d60814c7b9828602a1f8e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/not-holar/volume_control_for_voicemeeter 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" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-graceful v0.2.2
[INFO] [stderr]   Downloaded lerp v0.5.0
[INFO] [stderr]   Downloaded futures-lite v2.0.0
[INFO] [stderr]   Downloaded loom v0.7.0
[INFO] [stderr]   Downloaded win-msgbox v0.2.1
[INFO] [stderr]   Downloaded voicemeeter v0.3.0
[INFO] [stderr]   Downloaded muda v0.16.1
[INFO] [stderr]   Downloaded tray-icon v0.20.0
[INFO] [stderr]   Downloaded tiny-skia-path v0.11.2
[INFO] [stderr]   Downloaded tiny-skia v0.11.2
[INFO] [stderr]   Downloaded rustix v0.37.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ccd88df867d5203d152af387c81d29c72daf32ad34f7836ab3c4fed41eb3f84
[INFO] running `Command { std: "docker" "start" "-a" "2ccd88df867d5203d152af387c81d29c72daf32ad34f7836ab3c4fed41eb3f84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ccd88df867d5203d152af387c81d29c72daf32ad34f7836ab3c4fed41eb3f84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ccd88df867d5203d152af387c81d29c72daf32ad34f7836ab3c4fed41eb3f84", kill_on_drop: false }`
[INFO] [stdout] 2ccd88df867d5203d152af387c81d29c72daf32ad34f7836ab3c4fed41eb3f84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f76eb1f44ca25823f59e5d2022476784b369fb6d53979074e8fc5e36f0bc019c
[INFO] running `Command { std: "docker" "start" "-a" "f76eb1f44ca25823f59e5d2022476784b369fb6d53979074e8fc5e36f0bc019c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling hashbrown v0.14.1
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling winnow v0.5.16
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling target-lexicon v0.12.11
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking parking v2.1.1
[INFO] [stderr]     Checking libloading v0.8.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]    Compiling wayland-sys v0.31.6
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling cfg-expr v0.15.5
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]    Compiling indexmap v2.0.2
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]    Compiling wayland-client v0.31.8
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]    Compiling gio v0.18.4
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking windows-link v0.1.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]    Compiling x11 v2.21.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling quick-xml v0.37.4
[INFO] [stderr]    Compiling rustix v0.37.24
[INFO] [stderr]    Compiling windows_x86_64_gnu v0.48.5
[INFO] [stderr]     Checking async-task v4.7.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking async-lock v3.3.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking windows-strings v0.4.0
[INFO] [stderr]     Checking windows-result v0.3.2
[INFO] [stderr]     Checking futures-lite v2.0.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling gtk v0.18.1
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling libxdo-sys v0.11.0
[INFO] [stderr]    Compiling windows_x86_64_gnu v0.52.6
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]    Compiling wayland-scanner v0.31.6
[INFO] [stderr]    Compiling field-offset v0.3.6
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking event-listener v5.3.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking cursor-icon v1.1.0
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]     Checking ttf-parser v0.19.2
[INFO] [stderr]    Compiling smithay-client-toolkit v0.19.2
[INFO] [stderr]     Checking strict-num v0.1.1
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking xkeysym v0.2.0
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking windows-targets v0.48.5
[INFO] [stderr]     Checking event-listener-strategy v0.5.1
[INFO] [stderr]     Checking tiny-skia-path v0.11.2
[INFO] [stderr]     Checking memmap2 v0.9.4
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.8
[INFO] [stderr]     Checking dpi v0.1.1
[INFO] [stderr]    Compiling winit v0.30.9
[INFO] [stderr]     Checking dirs-sys v0.5.0
[INFO] [stderr]    Compiling toml_datetime v0.6.3
[INFO] [stderr]    Compiling serde_spanned v0.6.3
[INFO] [stderr]     Checking flate2 v1.0.27
[INFO] [stderr]    Compiling toml_edit v0.20.2
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking async-channel v2.2.0
[INFO] [stderr]     Checking tiny-skia v0.11.2
[INFO] [stderr]     Checking windows-sys v0.48.0
[INFO] [stderr]     Checking windows-targets v0.52.6
[INFO] [stderr]     Checking fdeflate v0.3.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking as-raw-xcb-connection v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking x11rb-protocol v0.13.0
[INFO] [stderr]     Checking png v0.17.10
[INFO] [stderr]     Checking windows-sys v0.59.0
[INFO] [stderr]    Compiling wayland-backend v0.3.8
[INFO] [stderr]     Checking dirs v6.0.0
[INFO] [stderr]     Checking async-executor v1.5.4
[INFO] [stderr]     Checking smol_str v0.2.0
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking raw-window-handle v0.6.0
[INFO] [stderr]    Compiling volume_control_for_voicemeeter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `build_script_build`
[INFO] [stdout]  --> build.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 9 | }
[INFO] [stdout]   |  ^ consider adding a `main` function to `build.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `volume_control_for_voicemeeter` (build script) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f76eb1f44ca25823f59e5d2022476784b369fb6d53979074e8fc5e36f0bc019c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f76eb1f44ca25823f59e5d2022476784b369fb6d53979074e8fc5e36f0bc019c", kill_on_drop: false }`
[INFO] [stdout] f76eb1f44ca25823f59e5d2022476784b369fb6d53979074e8fc5e36f0bc019c