[INFO] cloning repository https://github.com/quietvoid/vspreview-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quietvoid/vspreview-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquietvoid%2Fvspreview-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquietvoid%2Fvspreview-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e850d13de1bef2ac51ea4193ad5270b92d91d73e
[INFO] documenting quietvoid/vspreview-rs against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquietvoid%2Fvspreview-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/quietvoid/vspreview-rs on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/quietvoid/vspreview-rs
[INFO] finished tweaking git repo https://github.com/quietvoid/vspreview-rs
[INFO] tweaked toml for git repo https://github.com/quietvoid/vspreview-rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/quietvoid/vspreview-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b3d2f3aa7828b2d32159b37c52a5f58f5d751f75fbb145d7db191e76b16676f
[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" "6b3d2f3aa7828b2d32159b37c52a5f58f5d751f75fbb145d7db191e76b16676f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b3d2f3aa7828b2d32159b37c52a5f58f5d751f75fbb145d7db191e76b16676f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b3d2f3aa7828b2d32159b37c52a5f58f5d751f75fbb145d7db191e76b16676f", kill_on_drop: false }`
[INFO] [stdout] 6b3d2f3aa7828b2d32159b37c52a5f58f5d751f75fbb145d7db191e76b16676f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 643d7418e85cfeb0b4fdc11f50d082a5f8e1ebbc760fa9e2d4094e47eb917ca5
[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" "643d7418e85cfeb0b4fdc11f50d082a5f8e1ebbc760fa9e2d4094e47eb917ca5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.32
[INFO] [stderr]    Compiling serde v1.0.113
[INFO] [stderr]    Compiling serde_derive v1.0.113
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking gimli v0.21.0
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[INFO] [stderr]    Compiling vapoursynth-sys v0.3.0
[INFO] [stderr]     Checking instant v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.12
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[INFO] [stderr]    Compiling num-rational v0.3.0
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[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
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[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking gfx_core v0.9.2
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[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking directories v2.0.2
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[INFO] [stderr]    Compiling wayland-client v0.23.6
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[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.6
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking rayon v1.3.1
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[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking piston2d-graphics v0.36.0
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking wayland-client v0.21.13
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking jpeg-decoder v0.1.19
[INFO] [stderr]     Checking wayland-protocols v0.21.13
[INFO] [stderr]     Checking wayland-protocols v0.23.6
[INFO] [stderr]     Checking image v0.23.9
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking confy v0.4.0
[INFO] [stderr]     Checking gfx_device_gl v0.16.2
[INFO] [stderr]     Checking x11-clipboard v0.5.1
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[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling conrod_derive v0.70.0 (https://github.com/pistondevelopers/conrod?rev=f448487#f448487a)
[INFO] [stderr]    Compiling conrod_derive v0.70.0
[INFO] [stderr]     Checking winit v0.19.5
[INFO] [stderr]     Checking failure v0.1.8
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[INFO] [stderr]     Checking piston-gfx_texture v0.41.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
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[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]     Checking glutin v0.21.2
[INFO] [stderr]     Checking smithay-clipboard v0.4.0
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[INFO] [stderr]     Checking pistoncore-input v0.28.1
[INFO] [stderr]     Checking pistoncore-window v0.45.0
[INFO] [stderr]     Checking conrod_core v0.70.0 (https://github.com/pistondevelopers/conrod?rev=f448487#f448487a)
[INFO] [stderr]     Checking pistoncore-event_loop v0.50.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.64.0
[INFO] [stderr]     Checking piston v0.50.0
[INFO] [stderr]     Checking piston_window v0.109.0
[INFO] [stderr]     Checking conrod_piston v0.70.0 (https://github.com/pistondevelopers/conrod?rev=f448487#f448487a)
[INFO] [stderr]  Documenting vspreview-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 28s
[INFO] running `Command { std: "docker" "inspect" "643d7418e85cfeb0b4fdc11f50d082a5f8e1ebbc760fa9e2d4094e47eb917ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "643d7418e85cfeb0b4fdc11f50d082a5f8e1ebbc760fa9e2d4094e47eb917ca5", kill_on_drop: false }`
[INFO] [stdout] 643d7418e85cfeb0b4fdc11f50d082a5f8e1ebbc760fa9e2d4094e47eb917ca5