[INFO] cloning repository https://github.com/mzmt/rust_calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mzmt/rust_calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmzmt%2Frust_calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmzmt%2Frust_calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f9fd57c48722894d048ea99e7a13aaea3f1c75a
[INFO] documenting mzmt/rust_calculator against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmzmt%2Frust_calculator" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/mzmt/rust_calculator on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mzmt/rust_calculator
[INFO] finished tweaking git repo https://github.com/mzmt/rust_calculator
[INFO] tweaked toml for git repo https://github.com/mzmt/rust_calculator written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mzmt/rust_calculator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sw-composite v0.7.6
[INFO] [stderr]   Downloaded minifb v0.13.0
[INFO] [stderr]   Downloaded orbtk-tree v0.3.0-alpha1
[INFO] [stderr]   Downloaded orbtk-utils v0.3.0-alpha1
[INFO] [stderr]   Downloaded orbtk-api v0.3.0-alpha1
[INFO] [stderr]   Downloaded orbtk v0.3.1-alpha1
[INFO] [stderr]   Downloaded orbtk-css-engine v0.3.0-alpha1
[INFO] [stderr]   Downloaded spin_sleep v0.3.7
[INFO] [stderr]   Downloaded dces v0.2.0
[INFO] [stderr]   Downloaded lyon_geom v0.15.1
[INFO] [stderr]   Downloaded orbtk-proc-macros v0.3.0-alpha1
[INFO] [stderr]   Downloaded orbtk-shell v0.3.0-alpha1
[INFO] [stderr]   Downloaded orbtk-theme v0.3.0-alpha1
[INFO] [stderr]   Downloaded orbtk-widgets v0.3.0-alpha1
[INFO] [stderr]   Downloaded orbtk-render v0.3.0-alpha1
[INFO] [stderr]   Downloaded raqote v0.7.14
[INFO] [stderr]   Downloaded cssparser v0.17.0
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d6b06782e669659117ecc7aba7cef781e3b5958a872f7d3d34ab4cc9a02d2c9
[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" "9d6b06782e669659117ecc7aba7cef781e3b5958a872f7d3d34ab4cc9a02d2c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d6b06782e669659117ecc7aba7cef781e3b5958a872f7d3d34ab4cc9a02d2c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d6b06782e669659117ecc7aba7cef781e3b5958a872f7d3d34ab4cc9a02d2c9", kill_on_drop: false }`
[INFO] [stdout] 9d6b06782e669659117ecc7aba7cef781e3b5958a872f7d3d34ab4cc9a02d2c9
[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" "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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdf278964ae9d259da2e5cf0eac9d1f12d97718c51b65767063f82f0a0d89cce
[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" "cdf278964ae9d259da2e5cf0eac9d1f12d97718c51b65767063f82f0a0d89cce", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking orbtk-utils v0.3.0-alpha1
[INFO] [stderr]     Checking sw-composite v0.7.6
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]     Checking spin_sleep v0.3.7
[INFO] [stderr]     Checking dces v0.2.0
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling minifb v0.13.0
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling cssparser v0.17.0
[INFO] [stderr]     Checking euclid v0.20.7
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking orbtk-tree v0.3.0-alpha1
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking lyon_geom v0.15.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking raqote v0.7.14
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking orbtk-render v0.3.0-alpha1
[INFO] [stderr]     Checking orbtk-shell v0.3.0-alpha1
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]    Compiling orbtk-proc-macros v0.3.0-alpha1
[INFO] [stderr]     Checking orbtk-css-engine v0.3.0-alpha1
[INFO] [stderr]     Checking orbtk-theme v0.3.0-alpha1
[INFO] [stderr]     Checking orbtk-api v0.3.0-alpha1
[INFO] [stderr]     Checking orbtk-widgets v0.3.0-alpha1
[INFO] [stderr]     Checking orbtk v0.3.1-alpha1
[INFO] [stderr]  Documenting rust_calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.52s
[INFO] running `Command { std: "docker" "inspect" "cdf278964ae9d259da2e5cf0eac9d1f12d97718c51b65767063f82f0a0d89cce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdf278964ae9d259da2e5cf0eac9d1f12d97718c51b65767063f82f0a0d89cce", kill_on_drop: false }`
[INFO] [stdout] cdf278964ae9d259da2e5cf0eac9d1f12d97718c51b65767063f82f0a0d89cce