[INFO] fetching crate imgui-gfx-hal 0.1.2...
[INFO] testing imgui-gfx-hal-0.1.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate imgui-gfx-hal 0.1.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate imgui-gfx-hal 0.1.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imgui-gfx-hal 0.1.2
[INFO] finished tweaking crates.io crate imgui-gfx-hal 0.1.2
[INFO] tweaked toml for crates.io crate imgui-gfx-hal 0.1.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gfx-hal v0.1.0
[INFO] [stderr]   Downloaded ash v0.24.4
[INFO] [stderr]   Downloaded imgui-sys v0.0.23
[INFO] [stderr]   Downloaded imgui v0.0.23
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa146a95f0efda19372ba384cab54ea29cff23b840edba8cbab0d6c8471fb737
[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" "aa146a95f0efda19372ba384cab54ea29cff23b840edba8cbab0d6c8471fb737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa146a95f0efda19372ba384cab54ea29cff23b840edba8cbab0d6c8471fb737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa146a95f0efda19372ba384cab54ea29cff23b840edba8cbab0d6c8471fb737", kill_on_drop: false }`
[INFO] [stdout] aa146a95f0efda19372ba384cab54ea29cff23b840edba8cbab0d6c8471fb737
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "RUSTFLAGS=--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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45240d06bd6c116dc9a2ed0d89c81ce74a02ab865ba0fe00c2449716632892b5
[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" "45240d06bd6c116dc9a2ed0d89c81ce74a02ab865ba0fe00c2449716632892b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling imgui-sys v0.0.23
[INFO] [stderr]    Compiling gfx-hal v0.1.0
[INFO] [stdout] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gfx-hal-0.1.0/src/command/render_pass.rs:232:36
[INFO] [stdout]     |
[INFO] [stdout] 189 | impl<'a, B: Backend> RenderPassInlineEncoder<'a, B> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] ...
[INFO] [stdout] 232 |         RenderPassSecondaryEncoder(self.0.cmb)
[INFO] [stdout]     |         ---------------------------^^^^^^^^^^- returning this value requires that `*self.0.cmb` is borrowed for `'a`
[INFO] [stdout] 233 |     }
[INFO] [stdout]     |     - here, drop of `self` needs exclusive access to `*self.0.cmb`, because the type `render_pass::RenderPassInlineEncoder<'_, B>` implements the `Drop` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gfx-hal-0.1.0/src/command/render_pass.rs:308:62
[INFO] [stdout]     |
[INFO] [stdout] 262 | impl<'a, B: Backend> RenderPassSecondaryEncoder<'a, B> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] ...
[INFO] [stdout] 308 |             RenderPassInlineEncoder(RenderSubpassCommon::new(self.0))
[INFO] [stdout]     |             -------------------------------------------------^^^^^^-- returning this value requires that `*self.0` is borrowed for `'a`
[INFO] [stdout] 309 |         }
[INFO] [stdout] 310 |     }
[INFO] [stdout]     |     - here, drop of `self` needs exclusive access to `*self.0`, because the type `render_pass::RenderPassSecondaryEncoder<'_, B>` implements the `Drop` trait
[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 E0713`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gfx-hal`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "45240d06bd6c116dc9a2ed0d89c81ce74a02ab865ba0fe00c2449716632892b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45240d06bd6c116dc9a2ed0d89c81ce74a02ab865ba0fe00c2449716632892b5", kill_on_drop: false }`
[INFO] [stdout] 45240d06bd6c116dc9a2ed0d89c81ce74a02ab865ba0fe00c2449716632892b5