[INFO] cloning repository https://github.com/mrobakowski/rust-metaballs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrobakowski/rust-metaballs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrobakowski%2Frust-metaballs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrobakowski%2Frust-metaballs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a4fb6c36f2f58591c90c5b4e152156bbea55bde
[INFO] checking mrobakowski/rust-metaballs against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrobakowski%2Frust-metaballs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mrobakowski/rust-metaballs on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mrobakowski/rust-metaballs
[INFO] finished tweaking git repo https://github.com/mrobakowski/rust-metaballs
[INFO] tweaked toml for git repo https://github.com/mrobakowski/rust-metaballs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/mrobakowski/rust-metaballs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e1158a1b4923ea8c885b93cd969bcc8de70b88435cb924a38c6e66065e819c1a
[INFO] running `Command { std: "docker" "start" "-a" "e1158a1b4923ea8c885b93cd969bcc8de70b88435cb924a38c6e66065e819c1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1158a1b4923ea8c885b93cd969bcc8de70b88435cb924a38c6e66065e819c1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1158a1b4923ea8c885b93cd969bcc8de70b88435cb924a38c6e66065e819c1a", kill_on_drop: false }`
[INFO] [stdout] e1158a1b4923ea8c885b93cd969bcc8de70b88435cb924a38c6e66065e819c1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 339379cd746164bc61458d2e4789e63d958dc750534f963bbafa84d0912ec9e4
[INFO] running `Command { std: "docker" "start" "-a" "339379cd746164bc61458d2e4789e63d958dc750534f963bbafa84d0912ec9e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking piston-float v0.3.0
[INFO] [stderr]    Compiling matrixmultiply v0.1.14
[INFO] [stderr]     Checking rustc-demangle v0.1.8
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]    Compiling wayland-scanner v0.20.10
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]     Checking lock_api v0.1.3
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr]     Checking vecmath v0.3.1
[INFO] [stderr]     Checking x11-dl v2.18.0
[INFO] [stderr]     Checking approx v0.2.1
[INFO] [stderr]     Checking backtrace-sys v0.1.23
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking rand v0.5.4
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking quaternion v0.3.0
[INFO] [stderr]    Compiling wayland-client v0.20.10
[INFO] [stderr]    Compiling wayland-protocols v0.20.10
[INFO] [stderr]     Checking piston3d-cam v0.3.0
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking tempfile v3.0.2
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking wayland-sys v0.20.10
[INFO] [stderr]     Checking alga v0.6.0
[INFO] [stderr]     Checking wayland-commons v0.20.10
[INFO] [stderr]     Checking parking_lot v0.6.2
[INFO] [stderr]     Checking generic-array v0.11.1
[INFO] [stderr]     Checking nalgebra v0.15.3
[INFO] [stderr]    Compiling glutin v0.17.0
[INFO] [stderr]    Compiling glium v0.22.0
[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-0.15.3/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`
[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" "339379cd746164bc61458d2e4789e63d958dc750534f963bbafa84d0912ec9e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "339379cd746164bc61458d2e4789e63d958dc750534f963bbafa84d0912ec9e4", kill_on_drop: false }`
[INFO] [stdout] 339379cd746164bc61458d2e4789e63d958dc750534f963bbafa84d0912ec9e4