[INFO] updating cached repository https://github.com/AntonHermann/Quart
[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] 728354c8e803d498aff5a2dcdfe3c389ed0a6435
[INFO] checking AntonHermann/Quart against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntonHermann%2FQuart" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AntonHermann/Quart on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/AntonHermann/Quart
[INFO] finished tweaking git repo https://github.com/AntonHermann/Quart
[INFO] tweaked toml for git repo https://github.com/AntonHermann/Quart written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/AntonHermann/Quart already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+13f916f63bc6575d5ff1f989237dfabe88981368" "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] 6d1f33a999b83fa9562182c5962fcedabf287744ab875489527e7dcd8b6fda6d
[INFO] running `"docker" "start" "-a" "6d1f33a999b83fa9562182c5962fcedabf287744ab875489527e7dcd8b6fda6d"`
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking flexi_logger v0.14.8
[INFO] [stderr]     Checking quart v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0600]: cannot apply unary operator `!` to type `std::option::Option<std::string::String>`
[INFO] [stderr]    --> src/game/board.rs:219:5
[INFO] [stderr]     |
[INFO] [stderr] 219 |     assert!(check_fields(&[p_bdrf, p_bdrf, p_bdrf, p_bdrf]), "all equal");
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot apply unary operator `!`
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0600]: cannot apply unary operator `!` to type `std::option::Option<std::string::String>`
[INFO] [stderr]    --> src/game/board.rs:220:5
[INFO] [stderr]     |
[INFO] [stderr] 220 | /     assert!(
[INFO] [stderr] 221 | |         check_fields(&[p_bdrf, p_BdRf, p_bDrf, p_BDrf]),
[INFO] [stderr] 222 | |         "all not flat"
[INFO] [stderr] 223 | |     );
[INFO] [stderr]     | |______^ cannot apply unary operator `!`
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0600]: cannot apply unary operator `!` to type `std::option::Option<std::string::String>`
[INFO] [stderr]    --> src/game/board.rs:224:13
[INFO] [stderr]     |
[INFO] [stderr] 224 |     assert!(!check_fields(&[p_bdrf, p_bdrf, p_bdrf, None]), "1 none");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot apply unary operator `!`
[INFO] [stderr] 
[INFO] [stderr] error[E0600]: cannot apply unary operator `!` to type `std::option::Option<std::string::String>`
[INFO] [stderr]    --> src/game/board.rs:226:9
[INFO] [stderr]     |
[INFO] [stderr] 226 |         !check_fields(&[p_bdrf, p_BdRf, p_bDrf, p_BDrF]),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot apply unary operator `!`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0600`.
[INFO] [stderr] error: could not compile `quart`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "6d1f33a999b83fa9562182c5962fcedabf287744ab875489527e7dcd8b6fda6d"`
[INFO] running `"docker" "rm" "-f" "6d1f33a999b83fa9562182c5962fcedabf287744ab875489527e7dcd8b6fda6d"`
[INFO] [stdout] 6d1f33a999b83fa9562182c5962fcedabf287744ab875489527e7dcd8b6fda6d