[INFO] cloning repository https://github.com/WimbledonLabs/imgui_gfx_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WimbledonLabs/imgui_gfx_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWimbledonLabs%2Fimgui_gfx_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWimbledonLabs%2Fimgui_gfx_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 284ee3218b24e86bf040f9f49ba86af01337db68
[INFO] checking WimbledonLabs/imgui_gfx_example against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWimbledonLabs%2Fimgui_gfx_example" "/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/WimbledonLabs/imgui_gfx_example on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/WimbledonLabs/imgui_gfx_example
[INFO] finished tweaking git repo https://github.com/WimbledonLabs/imgui_gfx_example
[INFO] tweaked toml for git repo https://github.com/WimbledonLabs/imgui_gfx_example written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/WimbledonLabs/imgui_gfx_example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--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 wayland-sys v0.20.12
[INFO] [stderr]   Downloaded winit v0.17.2
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[INFO] [stderr]   Downloaded gfx_core v0.8.2
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[INFO] [stderr]   Downloaded approx v0.2.0
[INFO] [stderr]   Downloaded wayland-commons v0.20.12
[INFO] [stderr]   Downloaded imgui-gfx-renderer v0.0.20
[INFO] [stderr]   Downloaded wayland-client v0.20.12
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[INFO] [stderr]   Downloaded imgui v0.0.20
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[INFO] [stderr]   Downloaded nalgebra v0.15.3
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ff265017c4e868e1077554e3f3a6e5144b0d9233a45aef7cb881a686d6146e3
[INFO] running `Command { std: "docker" "start" "-a" "7ff265017c4e868e1077554e3f3a6e5144b0d9233a45aef7cb881a686d6146e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ff265017c4e868e1077554e3f3a6e5144b0d9233a45aef7cb881a686d6146e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ff265017c4e868e1077554e3f3a6e5144b0d9233a45aef7cb881a686d6146e3", kill_on_drop: false }`
[INFO] [stdout] 7ff265017c4e868e1077554e3f3a6e5144b0d9233a45aef7cb881a686d6146e3
[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" "RUSTFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e60eae931eb4b4619bd335bb3ec02e12636fdf0cd1616da7c37ac40e8c271744
[INFO] running `Command { std: "docker" "start" "-a" "e60eae931eb4b4619bd335bb3ec02e12636fdf0cd1616da7c37ac40e8c271744", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]    Compiling num-complex v0.2.0
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[INFO] [stderr]     Checking approx v0.2.0
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
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[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
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[INFO] [stderr]    Compiling wayland-client v0.20.12
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[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rand v0.5.4
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[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking num_cpus v1.8.0
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[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling imgui-sys v0.0.20
[INFO] [stderr]     Checking alga v0.6.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking parking_lot_core v0.3.0
[INFO] [stderr]     Checking nalgebra v0.15.3
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]     Checking wayland-sys v0.20.12
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling glutin v0.18.0
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking wayland-commons v0.20.12
[INFO] [stderr]    Compiling derivative v1.0.0
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking smithay-client-toolkit v0.3.0
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking winit v0.17.2
[INFO] [stderr]     Checking gfx_core v0.8.2
[INFO] [stderr]     Checking gfx v0.17.1
[INFO] [stderr]     Checking gfx_device_gl v0.15.3
[INFO] [stderr]     Checking imgui v0.0.20
[INFO] [stderr]     Checking gfx_window_glutin v0.26.0
[INFO] [stderr]     Checking imgui-gfx-renderer v0.0.20
[INFO] [stdout] error[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.15.3/src/base/cg.rs:292:44
[INFO] [stdout]     |
[INFO] [stdout] 292 |                 self[(j, i)] += shift[j] * self[(D::dim() - 1, i)];
[INFO] [stdout]     |                 ---------------------------^^^^-------------------
[INFO] [stdout]     |                 |                          |
[INFO] [stdout]     |                 |                          immutable borrow occurs here
[INFO] [stdout]     |                 mutable borrow occurs here
[INFO] [stdout]     |                 mutable borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nalgebra` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e60eae931eb4b4619bd335bb3ec02e12636fdf0cd1616da7c37ac40e8c271744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e60eae931eb4b4619bd335bb3ec02e12636fdf0cd1616da7c37ac40e8c271744", kill_on_drop: false }`
[INFO] [stdout] e60eae931eb4b4619bd335bb3ec02e12636fdf0cd1616da7c37ac40e8c271744