[INFO] cloning repository https://github.com/BearzRobotics/robot-com
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BearzRobotics/robot-com" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBearzRobotics%2Frobot-com"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBearzRobotics%2Frobot-com'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1c5a21d8341eb666ab32f76c1d1373271b8218aa
[INFO] checking BearzRobotics/robot-com against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBearzRobotics%2Frobot-com" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BearzRobotics/robot-com on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/BearzRobotics/robot-com
[INFO] finished tweaking git repo https://github.com/BearzRobotics/robot-com
[INFO] tweaked toml for git repo https://github.com/BearzRobotics/robot-com written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/BearzRobotics/robot-com already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 21ad8a2f9e9de721cd30ea5c6ea313cff12882072d294c457ed734558fe7e16b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "21ad8a2f9e9de721cd30ea5c6ea313cff12882072d294c457ed734558fe7e16b"`
[INFO] [stderr]    Compiling signrel v1.0.0
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling uabs v1.0.0
[INFO] [stderr]     Checking libm v0.1.2
[INFO] [stderr]     Checking codicon v1.0.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]     Checking crc32fast v1.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking nix v0.8.1
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking generic-array v0.11.1
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking flate2 v1.0.6
[INFO] [stderr]     Checking lebicon v2.0.0
[INFO] [stderr]     Checking alga v0.7.2
[INFO] [stderr]     Checking protocol v1.0.3
[INFO] [stderr]     Checking ifaces v0.1.0
[INFO] [stderr]     Checking mdns v0.3.0
[INFO] [stderr]     Checking nalgebra v0.16.12
[INFO] [stderr]    Compiling protocol-derive v1.0.3
[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-0.16.12/src/base/cg.rs:291:44
[INFO] [stderr]     |
[INFO] [stderr] 291 |                 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] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "21ad8a2f9e9de721cd30ea5c6ea313cff12882072d294c457ed734558fe7e16b"`
[INFO] running `"docker" "rm" "-f" "21ad8a2f9e9de721cd30ea5c6ea313cff12882072d294c457ed734558fe7e16b"`
[INFO] [stdout] 21ad8a2f9e9de721cd30ea5c6ea313cff12882072d294c457ed734558fe7e16b