[INFO] fetching crate rustplot 0.1.0...
[INFO] documenting rustplot-0.1.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate rustplot 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rustplot 0.1.0 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 crates.io crate rustplot 0.1.0
[INFO] finished tweaking crates.io crate rustplot 0.1.0
[INFO] tweaked toml for crates.io crate rustplot 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea987038f0116eb527568d78a5a514c3a9bf8185fa969d6ebea9beda6be6fcb8
[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" "ea987038f0116eb527568d78a5a514c3a9bf8185fa969d6ebea9beda6be6fcb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea987038f0116eb527568d78a5a514c3a9bf8185fa969d6ebea9beda6be6fcb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea987038f0116eb527568d78a5a514c3a9bf8185fa969d6ebea9beda6be6fcb8", kill_on_drop: false }`
[INFO] [stdout] ea987038f0116eb527568d78a5a514c3a9bf8185fa969d6ebea9beda6be6fcb8
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa106022526792befde06f2ff39703d3db1bf5db54e05ad34f8fac75d405cce4
[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" "fa106022526792befde06f2ff39703d3db1bf5db54e05ad34f8fac75d405cce4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling gio v0.9.1
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.9.0
[INFO] [stderr]    Compiling pango v0.9.1
[INFO] [stderr]    Compiling atk v0.9.0
[INFO] [stderr]    Compiling gdk v0.13.2
[INFO] [stderr]    Compiling gtk v0.9.2
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling glib-macros v0.10.1
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling system-deps v1.3.2
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]    Compiling glib-sys v0.10.0
[INFO] [stderr]    Compiling gobject-sys v0.10.0
[INFO] [stderr]    Compiling gio-sys v0.10.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.10.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.10.0
[INFO] [stderr]    Compiling pango-sys v0.10.0
[INFO] [stderr]    Compiling atk-sys v0.10.0
[INFO] [stderr]    Compiling gdk-sys v0.10.0
[INFO] [stderr]    Compiling gtk-sys v0.10.0
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking glib v0.10.1
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]  Documenting rustplot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `self::cairo::MatrixTrait`
[INFO] [stdout]   --> src/chart_builder/mod.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | use self::cairo::MatrixTrait;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^ no `MatrixTrait` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `enums` is private
[INFO] [stdout]    --> src/chart_builder/mod.rs:57:18
[INFO] [stdout]     |
[INFO] [stdout] 57  | use self::cairo::enums::{FontSlant, FontWeight};
[INFO] [stdout]     |                  ^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `enums` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cairo-rs-0.9.1/src/lib.rs:172:1
[INFO] [stdout]     |
[INFO] [stdout] 172 | mod enums;
[INFO] [stdout]     | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0603.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `rustplot`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name rustplot src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern cairo=/opt/rustwide/target/debug/deps/libcairo-2bd10f29273dc198.rmeta --extern csv=/opt/rustwide/target/debug/deps/libcsv-65037a742e693427.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-0fcb0d1b79d00248.rmeta --extern gtk=/opt/rustwide/target/debug/deps/libgtk-9ce960803bfdaee7.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-1cafd9a22f577699.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "fa106022526792befde06f2ff39703d3db1bf5db54e05ad34f8fac75d405cce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa106022526792befde06f2ff39703d3db1bf5db54e05ad34f8fac75d405cce4", kill_on_drop: false }`
[INFO] [stdout] fa106022526792befde06f2ff39703d3db1bf5db54e05ad34f8fac75d405cce4