[INFO] cloning repository https://github.com/Mohitty/gsoc2019_task
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mohitty/gsoc2019_task" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMohitty%2Fgsoc2019_task", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMohitty%2Fgsoc2019_task'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 723039bb3c62dbf5d4282ed5dafc2cc61e88a150
[INFO] checking Mohitty/gsoc2019_task against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMohitty%2Fgsoc2019_task" "/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/Mohitty/gsoc2019_task 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/Mohitty/gsoc2019_task
[INFO] finished tweaking git repo https://github.com/Mohitty/gsoc2019_task
[INFO] tweaked toml for git repo https://github.com/Mohitty/gsoc2019_task written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Mohitty/gsoc2019_task 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] 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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f5374373715273b936c9c7c8d39b27d36708c70a2027ac9eb313c5f7c5efc2e
[INFO] running `Command { std: "docker" "start" "-a" "7f5374373715273b936c9c7c8d39b27d36708c70a2027ac9eb313c5f7c5efc2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f5374373715273b936c9c7c8d39b27d36708c70a2027ac9eb313c5f7c5efc2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f5374373715273b936c9c7c8d39b27d36708c70a2027ac9eb313c5f7c5efc2e", kill_on_drop: false }`
[INFO] [stdout] 7f5374373715273b936c9c7c8d39b27d36708c70a2027ac9eb313c5f7c5efc2e
[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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e73e3ad6ee0e324d9e2fb943307318f0036063d20e55c0f8f6f29befbe395b6
[INFO] running `Command { std: "docker" "start" "-a" "4e73e3ad6ee0e324d9e2fb943307318f0036063d20e55c0f8f6f29befbe395b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]     Checking libm v0.1.2
[INFO] [stderr]     Checking generic-array v0.11.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking approx v0.3.1
[INFO] [stderr]     Checking num-complex v0.2.1
[INFO] [stderr]     Checking alga v0.7.2
[INFO] [stderr]     Checking nalgebra v0.16.13
[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" "4e73e3ad6ee0e324d9e2fb943307318f0036063d20e55c0f8f6f29befbe395b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e73e3ad6ee0e324d9e2fb943307318f0036063d20e55c0f8f6f29befbe395b6", kill_on_drop: false }`
[INFO] [stdout] 4e73e3ad6ee0e324d9e2fb943307318f0036063d20e55c0f8f6f29befbe395b6