[INFO] cloning repository https://github.com/martin-jw/rust-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/martin-jw/rust-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartin-jw%2Frust-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartin-jw%2Frust-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39cc14fab3a9334cb4384dbb831729eaa00a3c2c
[INFO] checking martin-jw/rust-engine against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartin-jw%2Frust-engine" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/martin-jw/rust-engine on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/martin-jw/rust-engine
[INFO] finished tweaking git repo https://github.com/martin-jw/rust-engine
[INFO] tweaked toml for git repo https://github.com/martin-jw/rust-engine written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/martin-jw/rust-engine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-complex v0.2.0
[INFO] [stderr]   Downloaded cocoa v0.15.0
[INFO] [stderr]   Downloaded core-graphics v0.14.0
[INFO] [stderr]   Downloaded rand v0.5.4
[INFO] [stderr]   Downloaded parking_lot v0.6.2
[INFO] [stderr]   Downloaded winit v0.16.2
[INFO] [stderr]   Downloaded wayland-sys v0.20.10
[INFO] [stderr]   Downloaded wayland-client v0.20.10
[INFO] [stderr]   Downloaded stable_deref_trait v1.1.0
[INFO] [stderr]   Downloaded glutin v0.17.0
[INFO] [stderr]   Downloaded core-foundation-sys v0.6.1
[INFO] [stderr]   Downloaded core-foundation v0.6.1
[INFO] [stderr]   Downloaded nalgebra v0.15.3
[INFO] [stderr]   Downloaded alga v0.6.0
[INFO] [stderr]   Downloaded objc v0.2.3
[INFO] [stderr]   Downloaded wayland-scanner v0.20.10
[INFO] [stderr]   Downloaded approx v0.2.0
[INFO] [stderr]   Downloaded wayland-protocols v0.20.10
[INFO] [stderr]   Downloaded wayland-commons v0.20.10
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 571412c57af240d28658e731ebb08347dd2e997a60b0103d215b97e4135b3eb0
[INFO] running `Command { std: "docker" "start" "-a" "571412c57af240d28658e731ebb08347dd2e997a60b0103d215b97e4135b3eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "571412c57af240d28658e731ebb08347dd2e997a60b0103d215b97e4135b3eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "571412c57af240d28658e731ebb08347dd2e997a60b0103d215b97e4135b3eb0", kill_on_drop: false }`
[INFO] [stdout] 571412c57af240d28658e731ebb08347dd2e997a60b0103d215b97e4135b3eb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3413bf49554d85474b3e0a0ed84d4229e0d3a6ad6aa0f9e701632313d4144ec5
[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" "3413bf49554d85474b3e0a0ed84d4229e0d3a6ad6aa0f9e701632313d4144ec5", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking rand v0.5.4
[INFO] [stderr]     Checking lock_api v0.1.3
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]     Checking approx v0.2.0
[INFO] [stderr]     Checking tempfile v3.0.2
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr]     Checking generic-array v0.11.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking parking_lot v0.6.2
[INFO] [stderr]    Compiling x11-dl v2.18.0
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]    Compiling wayland-scanner v0.20.10
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking wayland-sys v0.20.10
[INFO] [stderr]     Checking wayland-commons v0.20.10
[INFO] [stderr]     Checking alga v0.6.0
[INFO] [stderr]     Checking nalgebra v0.15.3
[INFO] [stderr]    Compiling wayland-client v0.20.10
[INFO] [stderr]    Compiling wayland-protocols v0.20.10
[INFO] [stderr]    Compiling glutin v0.17.0
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.2.5
[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] running `Command { std: "docker" "inspect" "3413bf49554d85474b3e0a0ed84d4229e0d3a6ad6aa0f9e701632313d4144ec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3413bf49554d85474b3e0a0ed84d4229e0d3a6ad6aa0f9e701632313d4144ec5", kill_on_drop: false }`
[INFO] [stdout] 3413bf49554d85474b3e0a0ed84d4229e0d3a6ad6aa0f9e701632313d4144ec5