[INFO] updating cached repository https://github.com/KappaDistributive/RustyFlaps
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 444b96dbe6c11706159328b068a8d19c78d19164
[INFO] checking KappaDistributive/RustyFlaps against try#5e633973aa9255a88b65a39484627bb54e6044b3 for pr-65897-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKappaDistributive%2FRustyFlaps" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KappaDistributive/RustyFlaps on toolchain 5e633973aa9255a88b65a39484627bb54e6044b3
[INFO] running `"/workspace/cargo-home/bin/cargo" "+5e633973aa9255a88b65a39484627bb54e6044b3" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/KappaDistributive/RustyFlaps
[INFO] finished tweaking git repo https://github.com/KappaDistributive/RustyFlaps
[INFO] tweaked toml for git repo https://github.com/KappaDistributive/RustyFlaps written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/KappaDistributive/RustyFlaps already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+5e633973aa9255a88b65a39484627bb54e6044b3" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+5e633973aa9255a88b65a39484627bb54e6044b3" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 49fe56fd2ebebf574a42b65838c73420a4a9a036db864a20364eb5dc49ea37c7
[INFO] running `"docker" "start" "-a" "49fe56fd2ebebf574a42b65838c73420a4a9a036db864a20364eb5dc49ea37c7"`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]     Checking rustc-demangle v0.1.11
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking rand v0.6.1
[INFO] [stderr]     Checking bzip2-sys v0.1.7
[INFO] [stderr]     Checking alsa-sys v0.1.2
[INFO] [stderr]     Checking time v0.1.41
[INFO] [stderr]     Checking backtrace v0.3.13
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]     Checking msdos_time v0.1.6
[INFO] [stderr]     Checking zip v0.3.3
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking nalgebra v0.14.4
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stderr]     Checking cgmath v0.14.1
[INFO] [stderr]     Checking twox-hash v1.1.2
[INFO] [stderr]     Checking rodio v0.7.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking gfx_core v0.8.3
[INFO] [stderr] error[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.14.4/src/core/cg.rs:292:44
[INFO] [stderr]     |
[INFO] [stderr] 292 |                 self[(j, i)] += shift[j] * self[(D::dim() - 1, i)];
[INFO] [stderr]     |                 ---------------------------^^^^-------------------
[INFO] [stderr]     |                 |                          |
[INFO] [stderr]     |                 |                          immutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow later used here
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0502`.
[INFO] [stderr] error: could not compile `nalgebra`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "49fe56fd2ebebf574a42b65838c73420a4a9a036db864a20364eb5dc49ea37c7"`
[INFO] running `"docker" "rm" "-f" "49fe56fd2ebebf574a42b65838c73420a4a9a036db864a20364eb5dc49ea37c7"`
[INFO] [stdout] 49fe56fd2ebebf574a42b65838c73420a4a9a036db864a20364eb5dc49ea37c7