[INFO] fetching crate art-stamps 0.1.0...
[INFO] documenting art-stamps-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate art-stamps 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate art-stamps 0.1.0 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate art-stamps 0.1.0
[INFO] finished tweaking crates.io crate art-stamps 0.1.0
[INFO] tweaked toml for crates.io crate art-stamps 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate art-stamps 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 008a509c57a1627b02d6fc53bebdb826b67828cc0cbd578b481c7b08ab16d119
[INFO] running `Command { std: "docker" "start" "-a" "008a509c57a1627b02d6fc53bebdb826b67828cc0cbd578b481c7b08ab16d119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "008a509c57a1627b02d6fc53bebdb826b67828cc0cbd578b481c7b08ab16d119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "008a509c57a1627b02d6fc53bebdb826b67828cc0cbd578b481c7b08ab16d119", kill_on_drop: false }`
[INFO] [stdout] 008a509c57a1627b02d6fc53bebdb826b67828cc0cbd578b481c7b08ab16d119
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9197df33d862fc1133464ceca18e788fa03fea8d7c181191440a13ae914f8f10
[INFO] running `Command { std: "docker" "start" "-a" "9197df33d862fc1133464ceca18e788fa03fea8d7c181191440a13ae914f8f10", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling sdl2-sys v0.34.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking serde-xml-rs v0.3.1
[INFO] [stderr]  Documenting art-stamps v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `defs` should have an upper camel case name
[INFO] [stdout]    --> src/polygonsvg.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub struct defs {
[INFO] [stdout]     |            ^^^^ help: convert the identifier to upper camel case: `Defs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `defs` should have an upper camel case name
[INFO] [stdout]    --> src/svgxml.rs:326:12
[INFO] [stdout]     |
[INFO] [stdout] 326 | pub struct defs {
[INFO] [stdout]     |            ^^^^ help: convert the identifier to upper camel case: `Defs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.60s
[INFO] running `Command { std: "docker" "inspect" "9197df33d862fc1133464ceca18e788fa03fea8d7c181191440a13ae914f8f10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9197df33d862fc1133464ceca18e788fa03fea8d7c181191440a13ae914f8f10", kill_on_drop: false }`
[INFO] [stdout] 9197df33d862fc1133464ceca18e788fa03fea8d7c181191440a13ae914f8f10
[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" "RUSTFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aba66bc2377841b0a33d10a1f066f04cea56dc5fe9d5c2ad0f8862f28bb8d42d
[INFO] running `Command { std: "docker" "start" "-a" "aba66bc2377841b0a33d10a1f066f04cea56dc5fe9d5c2ad0f8862f28bb8d42d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling sdl2-sys v0.34.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking serde-xml-rs v0.3.1
[INFO] [stderr]  Documenting art-stamps v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `defs` should have an upper camel case name
[INFO] [stdout]    --> src/polygonsvg.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub struct defs {
[INFO] [stdout]     |            ^^^^ help: convert the identifier to upper camel case: `Defs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `defs` should have an upper camel case name
[INFO] [stdout]    --> src/svgxml.rs:326:12
[INFO] [stdout]     |
[INFO] [stdout] 326 | pub struct defs {
[INFO] [stdout]     |            ^^^^ help: convert the identifier to upper camel case: `Defs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.25s
[INFO] running `Command { std: "docker" "inspect" "aba66bc2377841b0a33d10a1f066f04cea56dc5fe9d5c2ad0f8862f28bb8d42d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aba66bc2377841b0a33d10a1f066f04cea56dc5fe9d5c2ad0f8862f28bb8d42d", kill_on_drop: false }`
[INFO] [stdout] aba66bc2377841b0a33d10a1f066f04cea56dc5fe9d5c2ad0f8862f28bb8d42d