[INFO] cloning repository https://github.com/colibre/nicegfx
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/colibre/nicegfx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolibre%2Fnicegfx", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolibre%2Fnicegfx'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 87e8a085faae4f0f5ee1e7db6b5a3db2b7480e7d
[INFO] documenting colibre/nicegfx 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%2Fcolibre%2Fnicegfx" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/colibre/nicegfx 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/colibre/nicegfx
[INFO] finished tweaking git repo https://github.com/colibre/nicegfx
[INFO] tweaked toml for git repo https://github.com/colibre/nicegfx written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/colibre/nicegfx 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 andrew v0.1.5
[INFO] [stderr]   Downloaded wayland-scanner v0.21.10
[INFO] [stderr]   Downloaded wayland-commons v0.21.10
[INFO] [stderr]   Downloaded ash v0.27.1
[INFO] [stderr]   Downloaded metal v0.14.0
[INFO] [stderr]   Downloaded wayland-protocols v0.21.10
[INFO] [stderr]   Downloaded wayland-client v0.21.10
[INFO] [stderr]   Downloaded wayland-sys v0.21.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] b4f19d577996e0f6e43f035d8dfe23916b6a604f6f819d8325a13cfe0e5b3917
[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" "b4f19d577996e0f6e43f035d8dfe23916b6a604f6f819d8325a13cfe0e5b3917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4f19d577996e0f6e43f035d8dfe23916b6a604f6f819d8325a13cfe0e5b3917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4f19d577996e0f6e43f035d8dfe23916b6a604f6f819d8325a13cfe0e5b3917", kill_on_drop: false }`
[INFO] [stdout] b4f19d577996e0f6e43f035d8dfe23916b6a604f6f819d8325a13cfe0e5b3917
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 24cb5543f515051dd71bc1f1a635ba6cd3e6365b2087b6feefae87c3a67945dc
[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" "24cb5543f515051dd71bc1f1a635ba6cd3e6365b2087b6feefae87c3a67945dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling wayland-scanner v0.21.10
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking nix v0.12.0
[INFO] [stderr]     Checking rand_os v0.1.1
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]     Checking rusttype v0.7.3
[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stderr]     Checking wayland-sys v0.21.10
[INFO] [stderr]     Checking backtrace v0.3.13
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.6
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking andrew v0.1.5
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking gfx-hal v0.1.0 (https://github.com/gfx-rs/gfx?rev=9236fc7bfc0e58489f6481527e434fe0e5487155#9236fc7b)
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]    Compiling wayland-client v0.21.10
[INFO] [stderr]    Compiling wayland-protocols v0.21.10
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking simple_logger v1.0.1
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling tempfile v3.0.5
[INFO] [stderr] error: could not compile `nix`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nix /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.12.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -Cembed-bitcode=no -C debuginfo=2 -C metadata=04a8a9ede9d5917d -C extra-filename=-04a8a9ede9d5917d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-b4796cc9d79cc3b4.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-e24200a3eae6bf45.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-44239735ea481b19.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-0ccfc045111cba9c.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/gfx-e86e7f3ebdbc4218/9236fc7/src/hal/src/command/render_pass.rs:272:36
[INFO] [stdout]     |
[INFO] [stdout] 229 | impl<'a, B: Backend> RenderPassInlineEncoder<'a, B> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] ...
[INFO] [stdout] 272 |         RenderPassSecondaryEncoder(self.0.cmb)
[INFO] [stdout]     |         ---------------------------^^^^^^^^^^- returning this value requires that `*self.0.cmb` is borrowed for `'a`
[INFO] [stdout] 273 |     }
[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/git/checkouts/gfx-e86e7f3ebdbc4218/9236fc7/src/hal/src/command/render_pass.rs:347:62
[INFO] [stdout]     |
[INFO] [stdout] 303 | impl<'a, B: Backend> RenderPassSecondaryEncoder<'a, B> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] ...
[INFO] [stdout] 347 |             RenderPassInlineEncoder(RenderSubpassCommon::new(self.0))
[INFO] [stdout]     |             -------------------------------------------------^^^^^^-- returning this value requires that `*self.0` is borrowed for `'a`
[INFO] [stdout] 348 |         }
[INFO] [stdout] 349 |     }
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "24cb5543f515051dd71bc1f1a635ba6cd3e6365b2087b6feefae87c3a67945dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24cb5543f515051dd71bc1f1a635ba6cd3e6365b2087b6feefae87c3a67945dc", kill_on_drop: false }`
[INFO] [stdout] 24cb5543f515051dd71bc1f1a635ba6cd3e6365b2087b6feefae87c3a67945dc