[INFO] cloning repository https://github.com/Fliskr/r-tinyraytracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Fliskr/r-tinyraytracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFliskr%2Fr-tinyraytracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFliskr%2Fr-tinyraytracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ef8ca1bf34ab4400f8c02dd123d679c7ca77d39
[INFO] checking Fliskr/r-tinyraytracer against try#279ba2cff36a3029611d32ee1b5c82559c565f69 for pr-87316
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFliskr%2Fr-tinyraytracer" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Fliskr/r-tinyraytracer on toolchain 279ba2cff36a3029611d32ee1b5c82559c565f69
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+279ba2cff36a3029611d32ee1b5c82559c565f69" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Fliskr/r-tinyraytracer
[INFO] finished tweaking git repo https://github.com/Fliskr/r-tinyraytracer
[INFO] tweaked toml for git repo https://github.com/Fliskr/r-tinyraytracer written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Fliskr/r-tinyraytracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+279ba2cff36a3029611d32ee1b5c82559c565f69" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded matrixmultiply v0.1.15
[INFO] [stderr]   Downloaded libm v0.1.2
[INFO] [stderr]   Downloaded num-complex v0.2.1
[INFO] [stderr]   Downloaded nalgebra v0.16.13
[INFO] [stderr]   Downloaded alga v0.7.2
[INFO] [stderr]   Downloaded generic-array v0.11.1
[INFO] [stderr]   Downloaded deflate v0.7.19
[INFO] [stderr]   Downloaded memchr v2.1.3
[INFO] [stderr]   Downloaded approx v0.3.1
[INFO] [stderr]   Downloaded png v0.14.0
[INFO] [stderr]   Downloaded inflate v0.4.4
[INFO] [stderr]   Downloaded regex-syntax v0.6.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+279ba2cff36a3029611d32ee1b5c82559c565f69" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b963aa93d1514f32ff87d8d450c9f6cc3fb91290826777a100e67c0da0fbc1e8
[INFO] running `Command { std: "docker" "start" "-a" "b963aa93d1514f32ff87d8d450c9f6cc3fb91290826777a100e67c0da0fbc1e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b963aa93d1514f32ff87d8d450c9f6cc3fb91290826777a100e67c0da0fbc1e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b963aa93d1514f32ff87d8d450c9f6cc3fb91290826777a100e67c0da0fbc1e8", kill_on_drop: false }`
[INFO] [stdout] b963aa93d1514f32ff87d8d450c9f6cc3fb91290826777a100e67c0da0fbc1e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+279ba2cff36a3029611d32ee1b5c82559c565f69" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0809cd1d1e1be1da591c2b5563ad3fedc2ff7fd3c616a9d4a9bb5d3f834c8bc9
[INFO] running `Command { std: "docker" "start" "-a" "0809cd1d1e1be1da591c2b5563ad3fedc2ff7fd3c616a9d4a9bb5d3f834c8bc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling libc v0.2.47
[INFO] [stderr]    Compiling byteorder v1.3.0
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking libm v0.1.2
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking inflate v0.4.4
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking generic-array v0.11.1
[INFO] [stderr]     Checking memchr v2.1.3
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking approx v0.3.1
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking alga v0.7.2
[INFO] [stderr]     Checking png v0.14.0
[INFO] [stderr]     Checking nalgebra v0.16.13
[INFO] [stderr]     Checking regex v1.1.0
[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-0.16.13/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] running `Command { std: "docker" "inspect" "0809cd1d1e1be1da591c2b5563ad3fedc2ff7fd3c616a9d4a9bb5d3f834c8bc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0809cd1d1e1be1da591c2b5563ad3fedc2ff7fd3c616a9d4a9bb5d3f834c8bc9", kill_on_drop: false }`
[INFO] [stdout] 0809cd1d1e1be1da591c2b5563ad3fedc2ff7fd3c616a9d4a9bb5d3f834c8bc9