[INFO] cloning repository https://github.com/Delta-Psi/circuit-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Delta-Psi/circuit-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelta-Psi%2Fcircuit-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelta-Psi%2Fcircuit-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be766aa7ff8f32184439758f407ded638590a490
[INFO] checking Delta-Psi/circuit-solver against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelta-Psi%2Fcircuit-solver" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Delta-Psi/circuit-solver on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Delta-Psi/circuit-solver
[INFO] finished tweaking git repo https://github.com/Delta-Psi/circuit-solver
[INFO] tweaked toml for git repo https://github.com/Delta-Psi/circuit-solver written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Delta-Psi/circuit-solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-segmentation v0.1.2
[INFO] [stderr]   Downloaded itertools v0.4.19
[INFO] [stderr]   Downloaded strcursor v0.2.5
[INFO] [stderr]   Downloaded scan-rules v0.2.0
[INFO] [stderr]   Downloaded nalgebra v0.17.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82da06710aafba850535af5d85930c68cfb73d2ecc69e8f8cb823049644f14f5
[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" "82da06710aafba850535af5d85930c68cfb73d2ecc69e8f8cb823049644f14f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82da06710aafba850535af5d85930c68cfb73d2ecc69e8f8cb823049644f14f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82da06710aafba850535af5d85930c68cfb73d2ecc69e8f8cb823049644f14f5", kill_on_drop: false }`
[INFO] [stdout] 82da06710aafba850535af5d85930c68cfb73d2ecc69e8f8cb823049644f14f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43a346e8ee3dbb86e00e37043773133afaab0ad83162d595d633188ee1ddc8b4
[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" "43a346e8ee3dbb86e00e37043773133afaab0ad83162d595d633188ee1ddc8b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking libm v0.1.2
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling strcursor v0.2.5
[INFO] [stderr]    Compiling scan-rules v0.2.0
[INFO] [stderr]     Checking approx v0.3.1
[INFO] [stderr]     Checking matrixmultiply v0.2.2
[INFO] [stderr]     Checking alga v0.8.2
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking nalgebra v0.17.2
[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-0.17.2/src/base/cg.rs:297:44
[INFO] [stdout]     |
[INFO] [stdout] 297 |                 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" "43a346e8ee3dbb86e00e37043773133afaab0ad83162d595d633188ee1ddc8b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43a346e8ee3dbb86e00e37043773133afaab0ad83162d595d633188ee1ddc8b4", kill_on_drop: false }`
[INFO] [stdout] 43a346e8ee3dbb86e00e37043773133afaab0ad83162d595d633188ee1ddc8b4