[INFO] cloning repository https://github.com/leesdolphin/rainbow_svg_mask
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leesdolphin/rainbow_svg_mask" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleesdolphin%2Frainbow_svg_mask", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleesdolphin%2Frainbow_svg_mask'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d73a122fa6943c106e95e32a253fe9d7d0d88ff8
[INFO] documenting leesdolphin/rainbow_svg_mask against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleesdolphin%2Frainbow_svg_mask" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leesdolphin/rainbow_svg_mask 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 git repo https://github.com/leesdolphin/rainbow_svg_mask
[INFO] finished tweaking git repo https://github.com/leesdolphin/rainbow_svg_mask
[INFO] tweaked toml for git repo https://github.com/leesdolphin/rainbow_svg_mask written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/leesdolphin/rainbow_svg_mask already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 807f9ed7f1b9397bf7dcb7cc17a656674189c432ba18dfa26543283613484759
[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" "807f9ed7f1b9397bf7dcb7cc17a656674189c432ba18dfa26543283613484759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "807f9ed7f1b9397bf7dcb7cc17a656674189c432ba18dfa26543283613484759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "807f9ed7f1b9397bf7dcb7cc17a656674189c432ba18dfa26543283613484759", kill_on_drop: false }`
[INFO] [stdout] 807f9ed7f1b9397bf7dcb7cc17a656674189c432ba18dfa26543283613484759
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 20205255518b29acdf2fde1de9681a86fa08eea71af75fb24fcd7cb6896fdf0d
[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" "20205255518b29acdf2fde1de9681a86fa08eea71af75fb24fcd7cb6896fdf0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.42
[INFO] [stderr]     Checking phf_shared v0.7.20
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.3
[INFO] [stderr]     Checking simplecss v0.1.0
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking unicode-segmentation v1.0.1
[INFO] [stderr]     Checking float-cmp v0.2.3
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking phf v0.7.20
[INFO] [stderr]     Checking clap v2.20.0
[INFO] [stderr]     Checking svgparser v0.2.0 (https://github.com/RazrFalcon/libsvgparser.git#beb091c4)
[INFO] [stderr]     Checking svgparser v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]     Checking svgdom v0.3.0 (https://github.com/RazrFalcon/libsvgdom.git#f7a7da96)
[INFO] [stderr]     Checking error-chain v0.8.1
[INFO] [stderr]     Checking svgcleaner v0.8.0 (https://github.com/RazrFalcon/svgcleaner.git#8d6bf389)
[INFO] [stderr]  Documenting rainbow_svg_mask v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0565]: literal in `cfg` predicate value must be a string
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg(doc=false)]
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0565`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `rainbow_svg_mask`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name rainbow_svg_mask 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 error_chain=/opt/rustwide/target/debug/deps/liberror_chain-e994e4c4e9f4fec4.rmeta --extern svgcleaner=/opt/rustwide/target/debug/deps/libsvgcleaner-aab3b723550ead5e.rmeta --extern svgdom=/opt/rustwide/target/debug/deps/libsvgdom-16d2ce2b86da8257.rmeta --extern svgparser=/opt/rustwide/target/debug/deps/libsvgparser-fb49ee556a57c40b.rmeta --extern yaml_rust=/opt/rustwide/target/debug/deps/libyaml_rust-e35fa793d93ff5a4.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "20205255518b29acdf2fde1de9681a86fa08eea71af75fb24fcd7cb6896fdf0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20205255518b29acdf2fde1de9681a86fa08eea71af75fb24fcd7cb6896fdf0d", kill_on_drop: false }`
[INFO] [stdout] 20205255518b29acdf2fde1de9681a86fa08eea71af75fb24fcd7cb6896fdf0d