[INFO] cloning repository https://github.com/jjg/muramoto
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jjg/muramoto" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjg%2Fmuramoto", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjg%2Fmuramoto'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c340d783ad9ead623bc1164606f89eeb2b9ad2e
[INFO] testing jjg/muramoto against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjg%2Fmuramoto" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[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 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecb68ce694c6689421db0b8f3c315f64c8db91d339113c22f508897659be730b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ecb68ce694c6689421db0b8f3c315f64c8db91d339113c22f508897659be730b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecb68ce694c6689421db0b8f3c315f64c8db91d339113c22f508897659be730b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecb68ce694c6689421db0b8f3c315f64c8db91d339113c22f508897659be730b", kill_on_drop: false }`
[INFO] [stdout] ecb68ce694c6689421db0b8f3c315f64c8db91d339113c22f508897659be730b
[INFO] running `Command { std: "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63405667b75bfb2bf1e9cc00993438d1bab74b88f94578c5f4ab15e25e21537c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "63405667b75bfb2bf1e9cc00993438d1bab74b88f94578c5f4ab15e25e21537c", kill_on_drop: false }`
[INFO] [stderr]    Compiling muramoto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |   parse_request(buffer);
[INFO] [stdout]    |                 ^^^^^^ expected `&[u64]`, found array `[u8; 512]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `[u64]` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/main.rs:60:27
[INFO] [stdout]    |
[INFO] [stdout] 60 |   println!("Request: {}", req);
[INFO] [stdout]    |                           ^^^ `[u64]` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `[u64]`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Display` for `&[u64]`
[INFO] [stdout]    = note: required by `std::fmt::Display::fmt`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:64:3
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn parse_request(req: &[u64]) -> String{
[INFO] [stdout]    |                                  ------ expected `std::string::String` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 64 |   result
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   expected struct `std::string::String`, found `&str`
[INFO] [stdout]    |   help: try using a conversion method: `result.to_string()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `muramoto`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "63405667b75bfb2bf1e9cc00993438d1bab74b88f94578c5f4ab15e25e21537c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63405667b75bfb2bf1e9cc00993438d1bab74b88f94578c5f4ab15e25e21537c", kill_on_drop: false }`
[INFO] [stdout] 63405667b75bfb2bf1e9cc00993438d1bab74b88f94578c5f4ab15e25e21537c