[INFO] updating cached repository https://github.com/janalski8/autismarchia-back
[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] f3ec8e40ab3d2067a8e17f6b18a9286093a95ca7
[INFO] checking janalski8/autismarchia-back against nightly-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjanalski8%2Fautismarchia-back" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/janalski8/autismarchia-back on toolchain nightly-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/janalski8/autismarchia-back
[INFO] finished tweaking git repo https://github.com/janalski8/autismarchia-back
[INFO] tweaked toml for git repo https://github.com/janalski8/autismarchia-back written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/janalski8/autismarchia-back already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+nightly-2019-10-27" "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] e590fc848d3dace0d933ff12423bb95c695383212f0b0b7bb8c6c4cc500f216b
[INFO] running `"docker" "start" "-a" "e590fc848d3dace0d933ff12423bb95c695383212f0b0b7bb8c6c4cc500f216b"`
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]    Compiling quote v0.5.1
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking serde_json v1.0.13
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]    Compiling serde_derive_internals v0.23.0
[INFO] [stderr]    Compiling serde_derive v1.0.37
[INFO] [stderr]     Checking autismarchia-back v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0502]: cannot borrow `*level` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/foundation.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let empty_tile = level.tiles().iter().filter(|(_p, tile)|
[INFO] [stderr]    |                          ----- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 32 |         level.add_entity(Box::new(Player::new(idx)), *empty_pos);
[INFO] [stderr]    |         ^^^^^ mutable borrow occurs here             ---------- immutable 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 `autismarchia-back`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0502]: cannot borrow `*level` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/foundation.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let empty_tile = level.tiles().iter().filter(|(_p, tile)|
[INFO] [stderr]    |                          ----- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 32 |         level.add_entity(Box::new(Player::new(idx)), *empty_pos);
[INFO] [stderr]    |         ^^^^^ mutable borrow occurs here             ---------- immutable 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 `autismarchia-back`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e590fc848d3dace0d933ff12423bb95c695383212f0b0b7bb8c6c4cc500f216b"`
[INFO] running `"docker" "rm" "-f" "e590fc848d3dace0d933ff12423bb95c695383212f0b0b7bb8c6c4cc500f216b"`
[INFO] [stdout] e590fc848d3dace0d933ff12423bb95c695383212f0b0b7bb8c6c4cc500f216b