[INFO] cloning repository https://github.com/strangelovephd/gfx-hal-tut
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/strangelovephd/gfx-hal-tut" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrangelovephd%2Fgfx-hal-tut", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrangelovephd%2Fgfx-hal-tut'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2e4e43aa2fcc4ba01555ca0fffaf6cb54940c91
[INFO] documenting strangelovephd/gfx-hal-tut against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrangelovephd%2Fgfx-hal-tut" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/strangelovephd/gfx-hal-tut on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/strangelovephd/gfx-hal-tut
[INFO] finished tweaking git repo https://github.com/strangelovephd/gfx-hal-tut
[INFO] tweaked toml for git repo https://github.com/strangelovephd/gfx-hal-tut written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/strangelovephd/gfx-hal-tut already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.1.1
[INFO] [stderr]   Downloaded gfx-backend-metal v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34ec1603a373d95f100a803361698f8170ecec7f4052f1ccc5c320737295c8a7
[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" "34ec1603a373d95f100a803361698f8170ecec7f4052f1ccc5c320737295c8a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34ec1603a373d95f100a803361698f8170ecec7f4052f1ccc5c320737295c8a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34ec1603a373d95f100a803361698f8170ecec7f4052f1ccc5c320737295c8a7", kill_on_drop: false }`
[INFO] [stdout] 34ec1603a373d95f100a803361698f8170ecec7f4052f1ccc5c320737295c8a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTDOCFLAGS=--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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3068d51e5285b71ffd8f8b508d35e2e99448086dc8986a096a77d6760b4897ad
[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" "3068d51e5285b71ffd8f8b508d35e2e99448086dc8986a096a77d6760b4897ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking smallvec v0.6.8
[INFO] [stderr]     Checking nix v0.12.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking approx v0.3.1
[INFO] [stderr]     Checking stb_truetype v0.2.6
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling wayland-scanner v0.21.11
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking rand_pcg v0.1.1
[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rusttype v0.7.5
[INFO] [stderr]     Checking andrew v0.1.6
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.21.11
[INFO] [stderr]     Checking backtrace v0.3.13
[INFO] [stderr]     Checking simple_logger v1.0.1
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling wayland-client v0.21.11
[INFO] [stderr]    Compiling wayland-protocols v0.21.11
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking wayland-commons v0.21.11
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking 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 `command::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 `command::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" "3068d51e5285b71ffd8f8b508d35e2e99448086dc8986a096a77d6760b4897ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3068d51e5285b71ffd8f8b508d35e2e99448086dc8986a096a77d6760b4897ad", kill_on_drop: false }`
[INFO] [stdout] 3068d51e5285b71ffd8f8b508d35e2e99448086dc8986a096a77d6760b4897ad