[INFO] updating cached repository crumblingstatue/rscrot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/crumblingstatue/rscrot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/crumblingstatue/rscrot" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/crumblingstatue/rscrot"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/crumblingstatue/rscrot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/crumblingstatue/rscrot" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/crumblingstatue/rscrot"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/crumblingstatue/rscrot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f3ca45bd0f9096643f1c0a480f06f10e223284f5
[INFO] sha for GitHub repo crumblingstatue/rscrot: f3ca45bd0f9096643f1c0a480f06f10e223284f5
[INFO] validating manifest of crumblingstatue/rscrot on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of crumblingstatue/rscrot on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing crumblingstatue/rscrot
[INFO] finished frobbing crumblingstatue/rscrot
[INFO] frobbed toml for crumblingstatue/rscrot written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/crumblingstatue/rscrot/Cargo.toml
[INFO] started frobbing crumblingstatue/rscrot
[INFO] finished frobbing crumblingstatue/rscrot
[INFO] frobbed toml for crumblingstatue/rscrot written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/crumblingstatue/rscrot/Cargo.toml
[INFO] crate crumblingstatue/rscrot already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking crumblingstatue/rscrot against master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-2/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/crumblingstatue/rscrot:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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=forbid" "-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" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 07e68c491fba7034b0cd7e74393cb957f2dfe793b10700aed5b5c9bccde0864c
[INFO] running `"docker" "start" "-a" "07e68c491fba7034b0cd7e74393cb957f2dfe793b10700aed5b5c9bccde0864c"`
[INFO] [stderr]    Compiling num_cpus v1.4.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.11
[INFO] [stderr]     Checking unicode-bidi v0.3.2
[INFO] [stderr]     Checking mime v0.2.4
[INFO] [stderr]     Checking dbus v0.4.1
[INFO] [stderr]     Checking idna v0.1.2
[INFO] [stderr]    Compiling rayon-core v1.0.0
[INFO] [stderr]    Compiling rayon v0.7.0
[INFO] [stderr]     Checking url v1.4.0
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.4.0/src/form_urlencoded.rs:246:40
[INFO] [stderr]     |
[INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 246 |     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]     Checking hyper v0.10.10
[INFO] [stderr]    Compiling ring v0.9.7
[INFO] [stderr]     Checking backtrace v0.3.2
[INFO] [stderr]     Checking webpki v0.12.1
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking webpki-roots v0.10.0
[INFO] [stderr]     Checking rustls v0.8.0
[INFO] [stderr]     Checking notify-rust v3.4.0
[INFO] [stderr]     Checking hyper-rustls v0.6.0
[INFO] [stderr]     Checking imgur v0.7.0
[INFO] [stderr]     Checking rscrot v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.59s
[INFO] running `"docker" "inspect" "07e68c491fba7034b0cd7e74393cb957f2dfe793b10700aed5b5c9bccde0864c"`
[INFO] running `"docker" "rm" "-f" "07e68c491fba7034b0cd7e74393cb957f2dfe793b10700aed5b5c9bccde0864c"`
[INFO] [stdout] 07e68c491fba7034b0cd7e74393cb957f2dfe793b10700aed5b5c9bccde0864c