[INFO] cloning repository lcnr/wgpu_err
[INFO] running `"git" "clone" "--bare" "git://github.com/lcnr/wgpu_err.git" "work/cache/sources/gh/lcnr/wgpu_err"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/lcnr/wgpu_err'...
[INFO] running `"git" "clone" "work/cache/sources/gh/lcnr/wgpu_err" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/lcnr/wgpu_err"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/lcnr/wgpu_err'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lcnr/wgpu_err" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/lcnr/wgpu_err"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/lcnr/wgpu_err'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 562211d862eddb521d2ead66eab4a8632153197c
[INFO] sha for GitHub repo lcnr/wgpu_err: 562211d862eddb521d2ead66eab4a8632153197c
[INFO] validating manifest of lcnr/wgpu_err on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lcnr/wgpu_err on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lcnr/wgpu_err
[INFO] finished frobbing lcnr/wgpu_err
[INFO] frobbed toml for lcnr/wgpu_err written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/lcnr/wgpu_err/Cargo.toml
[INFO] started frobbing lcnr/wgpu_err
[INFO] finished frobbing lcnr/wgpu_err
[INFO] frobbed toml for lcnr/wgpu_err written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/lcnr/wgpu_err/Cargo.toml
[INFO] crate lcnr/wgpu_err already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking lcnr/wgpu_err against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-4/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/lcnr/wgpu_err:/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=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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 077f5e6c63b945f1f41842f907ed3fdbca02012335094a4cd23407a80734ba8e
[INFO] running `"docker" "start" "-a" "077f5e6c63b945f1f41842f907ed3fdbca02012335094a4cd23407a80734ba8e"`
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking rusttype v0.7.7
[INFO] [stderr]     Checking cgmath v0.17.0
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]     Checking gfx-hal v0.1.0
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.7
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking winit v0.18.1
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gfx-hal-0.1.0/src/command/render_pass.rs:232:36
[INFO] [stderr]     |
[INFO] [stderr] 189 | impl<'a, B: Backend> RenderPassInlineEncoder<'a, B> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] ...
[INFO] [stderr] 232 |         RenderPassSecondaryEncoder(self.0.cmb)
[INFO] [stderr]     |         ---------------------------^^^^^^^^^^- returning this value requires that `*self.0.cmb` is borrowed for `'a`
[INFO] [stderr] 233 |     }
[INFO] [stderr]     |     - here, drop of `self` needs exclusive access to `*self.0.cmb`, because the type `command::render_pass::RenderPassInlineEncoder<'_, B>` implements the `Drop` trait
[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] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gfx-hal-0.1.0/src/command/render_pass.rs:308:62
[INFO] [stderr]     |
[INFO] [stderr] 262 | impl<'a, B: Backend> RenderPassSecondaryEncoder<'a, B> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] ...
[INFO] [stderr] 308 |             RenderPassInlineEncoder(RenderSubpassCommon::new(self.0))
[INFO] [stderr]     |             -------------------------------------------------^^^^^^-- returning this value requires that `*self.0` is borrowed for `'a`
[INFO] [stderr] 309 |         }
[INFO] [stderr] 310 |     }
[INFO] [stderr]     |     - here, drop of `self` needs exclusive access to `*self.0`, because the type `command::render_pass::RenderPassSecondaryEncoder<'_, B>` implements the `Drop` trait
[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 gfx-backend-empty v0.1.1
[INFO] [stderr]     Checking wgpu-native v0.2.7
[INFO] [stderr]     Checking wgpu v0.2.3
[INFO] [stderr]     Checking phantom v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `"docker" "inspect" "077f5e6c63b945f1f41842f907ed3fdbca02012335094a4cd23407a80734ba8e"`
[INFO] running `"docker" "rm" "-f" "077f5e6c63b945f1f41842f907ed3fdbca02012335094a4cd23407a80734ba8e"`
[INFO] [stdout] 077f5e6c63b945f1f41842f907ed3fdbca02012335094a4cd23407a80734ba8e