[INFO] cloning repository https://github.com/birktj/gui-experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/birktj/gui-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbirktj%2Fgui-experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbirktj%2Fgui-experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00c6c1daaf583a3f43f1ecaca792d699a76d78bb
[INFO] checking birktj/gui-experiments against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbirktj%2Fgui-experiments" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/birktj/gui-experiments 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/birktj/gui-experiments
[INFO] finished tweaking git repo https://github.com/birktj/gui-experiments
[INFO] tweaked toml for git repo https://github.com/birktj/gui-experiments written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/birktj/gui-experiments 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded approx v0.3.0
[INFO] [stderr]   Downloaded core-graphics v0.14.0
[INFO] [stderr]   Downloaded memmap v0.6.2
[INFO] [stderr]   Downloaded cocoa v0.15.0
[INFO] [stderr]   Downloaded wayland-scanner v0.20.12
[INFO] [stderr]   Downloaded linked-hash-map v0.5.1
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.2.6
[INFO] [stderr]   Downloaded glium v0.22.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.43
[INFO] [stderr]   Downloaded wayland-protocols v0.20.12
[INFO] [stderr]   Downloaded stb_truetype v0.2.4
[INFO] [stderr]   Downloaded wayland-sys v0.20.12
[INFO] [stderr]   Downloaded winit v0.16.2
[INFO] [stderr]   Downloaded glutin v0.17.0
[INFO] [stderr]   Downloaded wayland-client v0.20.12
[INFO] [stderr]   Downloaded rustc-hash v1.0.1
[INFO] [stderr]   Downloaded nalgebra v0.16.11
[INFO] [stderr]   Downloaded wayland-commons v0.20.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 07ca5b258c1ffbd605d8843e7f742de2d9c183ef1c44a04cf4da46a974858d0b
[INFO] running `Command { std: "docker" "start" "-a" "07ca5b258c1ffbd605d8843e7f742de2d9c183ef1c44a04cf4da46a974858d0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07ca5b258c1ffbd605d8843e7f742de2d9c183ef1c44a04cf4da46a974858d0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07ca5b258c1ffbd605d8843e7f742de2d9c183ef1c44a04cf4da46a974858d0b", kill_on_drop: false }`
[INFO] [stdout] 07ca5b258c1ffbd605d8843e7f742de2d9c183ef1c44a04cf4da46a974858d0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] ab543854ed39b7e27520c6bedc14084efce63c4bf056362b3fc851b5f6be8497
[INFO] running `Command { std: "docker" "start" "-a" "ab543854ed39b7e27520c6bedc14084efce63c4bf056362b3fc851b5f6be8497", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking libm v0.1.2
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]     Checking arrayvec v0.4.8
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking generic-array v0.11.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.1
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[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]     Checking owning_ref v0.4.0
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[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking rustc-hash v1.0.1
[INFO] [stderr]     Checking stb_truetype v0.2.4
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking smallvec v0.6.6
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling wayland-scanner v0.20.12
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking crossbeam-deque v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.20.12
[INFO] [stderr]     Checking wayland-commons v0.20.12
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]    Compiling wayland-client v0.20.12
[INFO] [stderr]    Compiling wayland-protocols v0.20.12
[INFO] [stderr]     Checking approx v0.3.0
[INFO] [stderr]     Checking ordered-float v1.0.1
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking rusttype v0.7.3
[INFO] [stderr]    Compiling glutin v0.17.0
[INFO] [stderr]    Compiling glium v0.22.0
[INFO] [stderr]     Checking tempfile v3.0.5
[INFO] [stderr]     Checking alga v0.7.2
[INFO] [stderr]     Checking nalgebra v0.16.11
[INFO] [stderr]     Checking smithay-client-toolkit v0.2.6
[INFO] [stderr]     Checking winit v0.16.2
[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-0.16.11/src/base/cg.rs:291:44
[INFO] [stdout]     |
[INFO] [stdout] 291 |                 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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ab543854ed39b7e27520c6bedc14084efce63c4bf056362b3fc851b5f6be8497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab543854ed39b7e27520c6bedc14084efce63c4bf056362b3fc851b5f6be8497", kill_on_drop: false }`
[INFO] [stdout] ab543854ed39b7e27520c6bedc14084efce63c4bf056362b3fc851b5f6be8497