[INFO] updating cached repository leesdolphin/rainbow_svg_mask
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/leesdolphin/rainbow_svg_mask
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/leesdolphin/rainbow_svg_mask" "work/ex/beta-1.37-6/sources/1.36.0/gh/leesdolphin/rainbow_svg_mask"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/leesdolphin/rainbow_svg_mask'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/leesdolphin/rainbow_svg_mask" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/leesdolphin/rainbow_svg_mask"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/leesdolphin/rainbow_svg_mask'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d73a122fa6943c106e95e32a253fe9d7d0d88ff8
[INFO] sha for GitHub repo leesdolphin/rainbow_svg_mask: d73a122fa6943c106e95e32a253fe9d7d0d88ff8
[INFO] validating manifest of leesdolphin/rainbow_svg_mask on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of leesdolphin/rainbow_svg_mask on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing leesdolphin/rainbow_svg_mask
[INFO] finished frobbing leesdolphin/rainbow_svg_mask
[INFO] frobbed toml for leesdolphin/rainbow_svg_mask written to work/ex/beta-1.37-6/sources/1.36.0/gh/leesdolphin/rainbow_svg_mask/Cargo.toml
[INFO] started frobbing leesdolphin/rainbow_svg_mask
[INFO] finished frobbing leesdolphin/rainbow_svg_mask
[INFO] frobbed toml for leesdolphin/rainbow_svg_mask written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/leesdolphin/rainbow_svg_mask/Cargo.toml
[INFO] crate leesdolphin/rainbow_svg_mask already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing leesdolphin/rainbow_svg_mask against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/leesdolphin/rainbow_svg_mask:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 9654843fae98b0908b7e3e08f707e05181a1f55ee9ad165321831ae68133003c
[INFO] running `"docker" "start" "-a" "9654843fae98b0908b7e3e08f707e05181a1f55ee9ad165321831ae68133003c"`
[INFO] [stderr]    Compiling unicode-segmentation v1.0.1
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling simplecss v0.1.0
[INFO] [stderr]    Compiling float-cmp v0.2.3
[INFO] [stderr]    Compiling svgparser v0.2.0 (https://github.com/RazrFalcon/libsvgparser.git#beb091c4)
[INFO] [stderr]    Compiling svgparser v0.2.0
[INFO] [stderr]    Compiling clap v2.20.0
[INFO] [stderr]    Compiling svgdom v0.3.0 (https://github.com/RazrFalcon/libsvgdom.git#f7a7da96)
[INFO] [stderr]    Compiling svgcleaner v0.8.0 (https://github.com/RazrFalcon/svgcleaner.git#8d6bf389)
[INFO] [stderr]    Compiling rainbow_svg_mask v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0565]: literal in `cfg` predicate value must be a string
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![cfg(doc=false)]
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `svgcleaner::cleaner::clean_doc`
[INFO] [stderr]  --> src/svg_load.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use svgcleaner::cleaner::clean_doc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | / error_chain! {
[INFO] [stderr] 56 | |     foreign_links {
[INFO] [stderr] 57 | |         Io(io::Error);
[INFO] [stderr] 58 | |         SvgDom(SvgDomError);
[INFO] [stderr] ...  |
[INFO] [stderr] 61 | |     }
[INFO] [stderr] 62 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | / error_chain! {
[INFO] [stderr] 56 | |     foreign_links {
[INFO] [stderr] 57 | |         Io(io::Error);
[INFO] [stderr] 58 | |         SvgDom(SvgDomError);
[INFO] [stderr] ...  |
[INFO] [stderr] 61 | |     }
[INFO] [stderr] 62 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0565`.
[INFO] [stderr] error: Could not compile `rainbow_svg_mask`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9654843fae98b0908b7e3e08f707e05181a1f55ee9ad165321831ae68133003c"`
[INFO] running `"docker" "rm" "-f" "9654843fae98b0908b7e3e08f707e05181a1f55ee9ad165321831ae68133003c"`
[INFO] [stdout] 9654843fae98b0908b7e3e08f707e05181a1f55ee9ad165321831ae68133003c