[INFO] fetching crate pdf-canvas 0.6.0...
[INFO] documenting pdf-canvas-0.6.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate pdf-canvas 0.6.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pdf-canvas 0.6.0 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 pdf-canvas 0.6.0
[INFO] finished tweaking crates.io crate pdf-canvas 0.6.0
[INFO] tweaked toml for crates.io crate pdf-canvas 0.6.0 written to /workspace/builds/worker-6/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-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] 8088a6edb7142c1c9ec489ab47fcafd9f1670de6b1a3cc02d22bf71181bbb17c
[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" "8088a6edb7142c1c9ec489ab47fcafd9f1670de6b1a3cc02d22bf71181bbb17c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8088a6edb7142c1c9ec489ab47fcafd9f1670de6b1a3cc02d22bf71181bbb17c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8088a6edb7142c1c9ec489ab47fcafd9f1670de6b1a3cc02d22bf71181bbb17c", kill_on_drop: false }`
[INFO] [stdout] 8088a6edb7142c1c9ec489ab47fcafd9f1670de6b1a3cc02d22bf71181bbb17c
[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] e6dc122139af4b5cbd8903994f92539abe3e6fbaa079c84a66376d17a1b69600
[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" "e6dc122139af4b5cbd8903994f92539abe3e6fbaa079c84a66376d17a1b69600", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pdf-canvas v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]    --> src/encoding.rs:122:1
[INFO] [stdout]     |
[INFO] [stdout] 122 | / lazy_static! {
[INFO] [stdout] 123 | |     pub static ref WIN_ANSI_ENCODING: Encoding = {
[INFO] [stdout] 124 | |         let mut codes = BTreeMap::new();
[INFO] [stdout] 125 | |         // /WinAnsiEncoding is kind of close to first byte of unicode
[INFO] [stdout] ...   |
[INFO] [stdout] 668 | |     };
[INFO] [stdout] 669 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]    --> src/encoding.rs:122:1
[INFO] [stdout]     |
[INFO] [stdout] 122 | / lazy_static! {
[INFO] [stdout] 123 | |     pub static ref WIN_ANSI_ENCODING: Encoding = {
[INFO] [stdout] 124 | |         let mut codes = BTreeMap::new();
[INFO] [stdout] 125 | |         // /WinAnsiEncoding is kind of close to first byte of unicode
[INFO] [stdout] ...   |
[INFO] [stdout] 668 | |     };
[INFO] [stdout] 669 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]    --> src/encoding.rs:122:1
[INFO] [stdout]     |
[INFO] [stdout] 122 | / lazy_static! {
[INFO] [stdout] 123 | |     pub static ref WIN_ANSI_ENCODING: Encoding = {
[INFO] [stdout] 124 | |         let mut codes = BTreeMap::new();
[INFO] [stdout] 125 | |         // /WinAnsiEncoding is kind of close to first byte of unicode
[INFO] [stdout] ...   |
[INFO] [stdout] 668 | |     };
[INFO] [stdout] 669 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting pdf-canvas v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.39s
[INFO] running `Command { std: "docker" "inspect" "e6dc122139af4b5cbd8903994f92539abe3e6fbaa079c84a66376d17a1b69600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6dc122139af4b5cbd8903994f92539abe3e6fbaa079c84a66376d17a1b69600", kill_on_drop: false }`
[INFO] [stdout] e6dc122139af4b5cbd8903994f92539abe3e6fbaa079c84a66376d17a1b69600