[INFO] updating cached repository https://github.com/jjg/muramoto
[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] 1c340d783ad9ead623bc1164606f89eeb2b9ad2e
[INFO] testing jjg/muramoto against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjg%2Fmuramoto" "/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/jjg/muramoto on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jjg/muramoto
[INFO] finished tweaking git repo https://github.com/jjg/muramoto
[INFO] tweaked toml for git repo https://github.com/jjg/muramoto written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jjg/muramoto already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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=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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c0895b98f209852bc4812b730e79c9a18d60647f3feeba639747f1130ab939ed
[INFO] running `"docker" "start" "-a" "c0895b98f209852bc4812b730e79c9a18d60647f3feeba639747f1130ab939ed"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling muramoto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 |   parse_request(buffer);
[INFO] [stderr]    |                 ^^^^^^ expected `&[u64]`, found array `[u8; 512]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `[u64]` doesn't implement `std::fmt::Display`
[INFO] [stderr]   --> src/main.rs:60:27
[INFO] [stderr]    |
[INFO] [stderr] 60 |   println!("Request: {}", req);
[INFO] [stderr]    |                           ^^^ `[u64]` cannot be formatted with the default formatter
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::fmt::Display` is not implemented for `[u64]`
[INFO] [stderr]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::fmt::Display` for `&[u64]`
[INFO] [stderr]    = note: required by `std::fmt::Display::fmt`
[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[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:64:3
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn parse_request(req: &[u64]) -> String{
[INFO] [stderr]    |                                  ------ expected `std::string::String` because of return type
[INFO] [stderr] ...
[INFO] [stderr] 64 |   result
[INFO] [stderr]    |   ^^^^^^
[INFO] [stderr]    |   |
[INFO] [stderr]    |   expected struct `std::string::String`, found `&str`
[INFO] [stderr]    |   help: try using a conversion method: `result.to_string()`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0308.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `muramoto`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c0895b98f209852bc4812b730e79c9a18d60647f3feeba639747f1130ab939ed"`
[INFO] running `"docker" "rm" "-f" "c0895b98f209852bc4812b730e79c9a18d60647f3feeba639747f1130ab939ed"`
[INFO] [stdout] c0895b98f209852bc4812b730e79c9a18d60647f3feeba639747f1130ab939ed