[INFO] fetching crate casimir-fdfd 0.2.0...
[INFO] testing casimir-fdfd-0.2.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate casimir-fdfd 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate casimir-fdfd 0.2.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate casimir-fdfd 0.2.0
[INFO] finished tweaking crates.io crate casimir-fdfd 0.2.0
[INFO] tweaked toml for crates.io crate casimir-fdfd 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed5343cba0a7fe70d5576fc730756b6e81105de3fc03f2a078069de6595bdd3e
[INFO] running `Command { std: "docker" "start" "-a" "ed5343cba0a7fe70d5576fc730756b6e81105de3fc03f2a078069de6595bdd3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed5343cba0a7fe70d5576fc730756b6e81105de3fc03f2a078069de6595bdd3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed5343cba0a7fe70d5576fc730756b6e81105de3fc03f2a078069de6595bdd3e", kill_on_drop: false }`
[INFO] [stdout] ed5343cba0a7fe70d5576fc730756b6e81105de3fc03f2a078069de6595bdd3e
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53348ba5a40bbd4c44072bb8cfb86dd3440b0f88ed53e5d614b3e3afc34a4b4a
[INFO] running `Command { std: "docker" "start" "-a" "53348ba5a40bbd4c44072bb8cfb86dd3440b0f88ed53e5d614b3e3afc34a4b4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling generic-array v0.11.2
[INFO] [stderr]    Compiling object v0.25.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling approx v0.2.1
[INFO] [stderr]    Compiling pbr v1.0.4
[INFO] [stderr]    Compiling alga v0.6.0
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling addr2line v0.15.2
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling nalgebra v0.15.3
[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" "53348ba5a40bbd4c44072bb8cfb86dd3440b0f88ed53e5d614b3e3afc34a4b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53348ba5a40bbd4c44072bb8cfb86dd3440b0f88ed53e5d614b3e3afc34a4b4a", kill_on_drop: false }`
[INFO] [stdout] 53348ba5a40bbd4c44072bb8cfb86dd3440b0f88ed53e5d614b3e3afc34a4b4a