[INFO] updating cached repository https://github.com/ifydev/Zircon
[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] 5f84b42876e943e9d5eccba77b8e1d69fd7ef7e8
[INFO] testing ifydev/Zircon against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fifydev%2FZircon" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ifydev/Zircon on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ifydev/Zircon
[INFO] finished tweaking git repo https://github.com/ifydev/Zircon
[INFO] tweaked toml for git repo https://github.com/ifydev/Zircon written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ifydev/Zircon already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] 1c88ff23884c01a83375def4e06ab0b372bfd9efb0400bc38f9a5efc8be9edbd
[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" "1c88ff23884c01a83375def4e06ab0b372bfd9efb0400bc38f9a5efc8be9edbd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling zircon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: expected one of `,`, `=`, or `}`, found doc comment `/// 0x08`
[INFO] [stderr]   --> src/protocol/packet.rs:55:2
[INFO] [stderr]    |
[INFO] [stderr] 54 |     OfflineConnectionRequest2(u8, i64, String, i16, i8)
[INFO] [stderr]    |                                                        -
[INFO] [stderr]    |                                                        |
[INFO] [stderr]    |                                                        expected one of `,`, `=`, or `}`
[INFO] [stderr]    |                                                        help: missing `,`
[INFO] [stderr] 55 |     /// 0x08
[INFO] [stderr]    |     ^^^^^^^^ unexpected token
[INFO] [stderr] 
[INFO] [stderr] error[E0585]: found a documentation comment that doesn't document anything
[INFO] [stderr]   --> src/protocol/packet.rs:90:2
[INFO] [stderr]    |
[INFO] [stderr] 90 |     /// 
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: doc comments must come before what they document, maybe a comment was intended with `//`?
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0585`.
[INFO] [stderr] error: could not compile `zircon`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1c88ff23884c01a83375def4e06ab0b372bfd9efb0400bc38f9a5efc8be9edbd"`
[INFO] running `"docker" "rm" "-f" "1c88ff23884c01a83375def4e06ab0b372bfd9efb0400bc38f9a5efc8be9edbd"`
[INFO] [stdout] 1c88ff23884c01a83375def4e06ab0b372bfd9efb0400bc38f9a5efc8be9edbd