[INFO] fetching crate plotters-unsable 0.1.13-5c709bb...
[INFO] documenting plotters-unsable-0.1.13-5c709bb against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate plotters-unsable 0.1.13-5c709bb into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate plotters-unsable 0.1.13-5c709bb on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate plotters-unsable 0.1.13-5c709bb
[INFO] finished tweaking crates.io crate plotters-unsable 0.1.13-5c709bb
[INFO] tweaked toml for crates.io crate plotters-unsable 0.1.13-5c709bb written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20844e323f47c517349b3fede7116c03dd9e2c58f491fd05479af06eb5dae062
[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" "20844e323f47c517349b3fede7116c03dd9e2c58f491fd05479af06eb5dae062", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20844e323f47c517349b3fede7116c03dd9e2c58f491fd05479af06eb5dae062", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20844e323f47c517349b3fede7116c03dd9e2c58f491fd05479af06eb5dae062", kill_on_drop: false }`
[INFO] [stdout] 20844e323f47c517349b3fede7116c03dd9e2c58f491fd05479af06eb5dae062
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 629462f92576754f262bb35ba48a63dda71a74d7e8c78e3994511cd5739ad26a
[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" "629462f92576754f262bb35ba48a63dda71a74d7e8c78e3994511cd5739ad26a", kill_on_drop: false }`
[INFO] [stderr]     Checking svg v0.5.12
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking image v0.21.3
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking font-loader v0.8.0
[INFO] [stderr]  Documenting plotters-unsable v0.1.13-5c709bb (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/style/font/ttf.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         { Mutex::new(HashMap::new()) };
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.42s
[INFO] running `Command { std: "docker" "inspect" "629462f92576754f262bb35ba48a63dda71a74d7e8c78e3994511cd5739ad26a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "629462f92576754f262bb35ba48a63dda71a74d7e8c78e3994511cd5739ad26a", kill_on_drop: false }`
[INFO] [stdout] 629462f92576754f262bb35ba48a63dda71a74d7e8c78e3994511cd5739ad26a
