[INFO] updating cached repository https://github.com/nilgradisnik/markdown-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b920a29ab57453cd0c683bbdf9d5e5bfc85fc90c
[INFO] checking nilgradisnik/markdown-rs against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilgradisnik%2Fmarkdown-rs" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nilgradisnik/markdown-rs on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nilgradisnik/markdown-rs
[INFO] finished tweaking git repo https://github.com/nilgradisnik/markdown-rs
[INFO] tweaked toml for git repo https://github.com/nilgradisnik/markdown-rs written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/nilgradisnik/markdown-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 95a670e6a6e4885ca1ee873773885d1d76124a980f797ed0b36866b89ff892ca
[INFO] running `"docker" "start" "-a" "95a670e6a6e4885ca1ee873773885d1d76124a980f797ed0b36866b89ff892ca"`
[INFO] [stderr]    Compiling gio v0.4.0
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling gdk v0.8.0
[INFO] [stderr]    Compiling gtk v0.4.0
[INFO] [stderr]    Compiling getopts v0.2.17
[INFO] [stderr]    Compiling clippy v0.0.192
[INFO] [stderr]    Compiling sourceview v0.4.0
[INFO] [stderr]    Compiling if_chain v0.1.2
[INFO] [stderr]     Checking typed-arena v1.3.0
[INFO] [stderr]     Checking horrorshow v0.6.2
[INFO] [stderr]    Compiling glib-sys v0.6.0
[INFO] [stderr]    Compiling gobject-sys v0.6.0
[INFO] [stderr]    Compiling gio-sys v0.6.0
[INFO] [stderr]    Compiling pango-sys v0.6.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.6.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.6.0
[INFO] [stderr]    Compiling gdk-sys v0.6.0
[INFO] [stderr]    Compiling atk-sys v0.6.0
[INFO] [stderr]    Compiling gtk-sys v0.6.0
[INFO] [stderr]    Compiling soup-sys v0.6.0
[INFO] [stderr]    Compiling webkit2gtk-sys v0.6.0
[INFO] [stderr]    Compiling gtk-source-sys v0.6.0
[INFO] [stderr]     Checking javascriptcore-rs-sys v0.1.1
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling regex-syntax v0.5.3
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]    Compiling cairo-rs v0.4.1
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]     Checking regex v0.2.10
[INFO] [stderr]    Compiling serde_derive v1.0.37
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.7.0/src/form_urlencoded.rs:261:40
[INFO] [stderr]     |
[INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 260 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 261 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stderr]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling gdk-pixbuf v0.4.0
[INFO] [stderr] error: failed to run custom build command for `gtk-source-sys v0.6.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/gtk-source-sys-a76f3afa65237dac/build-script-build` (exit code: 1)
[INFO] [stderr] --- stderr
[INFO] [stderr] `"pkg-config" "--libs" "--cflags" "gtksourceview-3.0 >= 3.0"` did not exit successfully: exit code: 1
[INFO] [stderr] --- stderr
[INFO] [stderr] Package gtksourceview-3.0 was not found in the pkg-config search path.
[INFO] [stderr] Perhaps you should add the directory containing `gtksourceview-3.0.pc'
[INFO] [stderr] to the PKG_CONFIG_PATH environment variable
[INFO] [stderr] No package 'gtksourceview-3.0' found
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "95a670e6a6e4885ca1ee873773885d1d76124a980f797ed0b36866b89ff892ca"`
[INFO] running `"docker" "rm" "-f" "95a670e6a6e4885ca1ee873773885d1d76124a980f797ed0b36866b89ff892ca"`
[INFO] [stdout] 95a670e6a6e4885ca1ee873773885d1d76124a980f797ed0b36866b89ff892ca