[INFO] cloning repository https://github.com/alcoholicgirl/mbt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alcoholicgirl/mbt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falcoholicgirl%2Fmbt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falcoholicgirl%2Fmbt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b47c477f1861b421c9414b5fc23db7b877a8116
[INFO] documenting alcoholicgirl/mbt against 1.99.0-beta.8 for beta-rustdoc-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falcoholicgirl%2Fmbt" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/alcoholicgirl/mbt
[INFO] finished tweaking git repo https://github.com/alcoholicgirl/mbt
[INFO] tweaked toml for git repo https://github.com/alcoholicgirl/mbt written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alcoholicgirl/mbt on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/alcoholicgirl/mbt 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Updating git repository `https://github.com/RustAudio/baseview.git`
[INFO] [stderr]     Updating git repository `https://github.com/BillyDM/egui-baseview.git`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a8e74ca5669e12115c3a0e6b206d0c14be801e2c25ce67f5c0e4ff184333f081
[INFO] running `Command { std: "docker" "start" "a8e74ca5669e12115c3a0e6b206d0c14be801e2c25ce67f5c0e4ff184333f081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8e74ca5669e12115c3a0e6b206d0c14be801e2c25ce67f5c0e4ff184333f081", 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" "a8e74ca5669e12115c3a0e6b206d0c14be801e2c25ce67f5c0e4ff184333f081" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8e74ca5669e12115c3a0e6b206d0c14be801e2c25ce67f5c0e4ff184333f081", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a8e74ca5669e12115c3a0e6b206d0c14be801e2c25ce67f5c0e4ff184333f081" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
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[INFO] [stderr]    Compiling nih_plug_derive v0.1.0 (https://github.com/robbert-vdh/nih-plug.git?rev=f36931f7af4646065488a9845d8f8c2f95252c23#f36931f7)
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[INFO] [stderr]     Checking nih_plug v0.0.0 (https://github.com/robbert-vdh/nih-plug.git?rev=f36931f7af4646065488a9845d8f8c2f95252c23#f36931f7)
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[INFO] [stderr]     Checking egui-baseview v0.5.0 (https://github.com/BillyDM/egui-baseview.git?rev=ec70c3fe6b2f070dcacbc22924431edbe24bd1c0#ec70c3fe)
[INFO] [stderr]     Checking nih_plug_egui v0.0.0 (/opt/rustwide/workdir/vendor/nih_plug_egui)
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> vendor/nih_plug_egui/src/widgets/param_slider.rs:239:29
[INFO] [stdout]     |
[INFO] [stdout] 239 |                 Stroke::new(1.0, ui.visuals().widgets.active.bg_fill),
[INFO] [stdout]     |                             ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout]     = note: `#[warn(float_literal_f32_fallback)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting mbtransient v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.65s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/mbtransient/index.html
[INFO] running `Command { std: "docker" "inspect" "a8e74ca5669e12115c3a0e6b206d0c14be801e2c25ce67f5c0e4ff184333f081", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a8e74ca5669e12115c3a0e6b206d0c14be801e2c25ce67f5c0e4ff184333f081" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
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[INFO] [stderr]     Checking serde v1.0.229
[INFO] [stderr]    Compiling vst3-com-macros v0.2.0 (https://github.com/robbert-vdh/vst3-sys.git?branch=fix%2Fdrop-box-from-raw#b3ff4d77)
[INFO] [stderr]    Compiling nih_plug_derive v0.1.0 (https://github.com/robbert-vdh/nih-plug.git?rev=f36931f7af4646065488a9845d8f8c2f95252c23#f36931f7)
[INFO] [stderr]     Checking vst3-com v0.1.0 (https://github.com/robbert-vdh/vst3-sys.git?branch=fix%2Fdrop-box-from-raw#b3ff4d77)
[INFO] [stderr]     Checking vst3-sys v0.1.0 (https://github.com/robbert-vdh/vst3-sys.git?branch=fix%2Fdrop-box-from-raw#b3ff4d77)
[INFO] [stderr]     Checking nih_plug v0.0.0 (https://github.com/robbert-vdh/nih-plug.git?rev=f36931f7af4646065488a9845d8f8c2f95252c23#f36931f7)
[INFO] [stderr]     Checking egui_glow v0.31.1
[INFO] [stderr]     Checking egui-baseview v0.5.0 (https://github.com/BillyDM/egui-baseview.git?rev=ec70c3fe6b2f070dcacbc22924431edbe24bd1c0#ec70c3fe)
[INFO] [stderr]     Checking nih_plug_egui v0.0.0 (/opt/rustwide/workdir/vendor/nih_plug_egui)
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> vendor/nih_plug_egui/src/widgets/param_slider.rs:239:29
[INFO] [stdout]     |
[INFO] [stdout] 239 |                 Stroke::new(1.0, ui.visuals().widgets.active.bg_fill),
[INFO] [stdout]     |                             ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout]     = note: `#[warn(float_literal_f32_fallback)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting mbtransient v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.92s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/mbtransient/index.html
[INFO] running `Command { std: "docker" "inspect" "a8e74ca5669e12115c3a0e6b206d0c14be801e2c25ce67f5c0e4ff184333f081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8e74ca5669e12115c3a0e6b206d0c14be801e2c25ce67f5c0e4ff184333f081", kill_on_drop: false }`
[INFO] [stdout] a8e74ca5669e12115c3a0e6b206d0c14be801e2c25ce67f5c0e4ff184333f081