[INFO] cloning repository https://github.com/Caryyon/numerology
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Caryyon/numerology" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaryyon%2Fnumerology", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaryyon%2Fnumerology'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 484eae0bcd20d660b58d24895889a636dc2aa0b3
[INFO] testing Caryyon/numerology against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaryyon%2Fnumerology" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Caryyon/numerology on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Caryyon/numerology
[INFO] finished tweaking git repo https://github.com/Caryyon/numerology
[INFO] tweaked toml for git repo https://github.com/Caryyon/numerology written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Caryyon/numerology already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fea2340c5340587bb06a6753e1f55e7b00626e873a452120fb552c6697315600
[INFO] running `Command { std: "docker" "start" "-a" "fea2340c5340587bb06a6753e1f55e7b00626e873a452120fb552c6697315600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fea2340c5340587bb06a6753e1f55e7b00626e873a452120fb552c6697315600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fea2340c5340587bb06a6753e1f55e7b00626e873a452120fb552c6697315600", kill_on_drop: false }`
[INFO] [stdout] fea2340c5340587bb06a6753e1f55e7b00626e873a452120fb552c6697315600
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b345b9d6ec9cd692c58a054a893782c6e4ded9d7614df08fa52dc9f9a11885a2
[INFO] running `Command { std: "docker" "start" "-a" "b345b9d6ec9cd692c58a054a893782c6e4ded9d7614df08fa52dc9f9a11885a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling numerology v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: a value of type `()` cannot be made by summing an iterator over elements of type `&u32`
[INFO] [stdout]   --> src/main.rs:34:35
[INFO] [stdout]    |
[INFO] [stdout] 34 |             return new_sum.iter().sum();
[INFO] [stdout]    |                                   ^^^ value of type `()` cannot be made by summing a `std::iter::Iterator<Item=&u32>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sum<&u32>` is not implemented for `()`
[INFO] [stdout]    = help: the following other types implement trait `Sum<A>`:
[INFO] [stdout]              <isize as Sum>
[INFO] [stdout]              <isize as Sum<&'a isize>>
[INFO] [stdout]              <i8 as Sum>
[INFO] [stdout]              <i8 as Sum<&'a i8>>
[INFO] [stdout]              <i16 as Sum>
[INFO] [stdout]              <i16 as Sum<&'a i16>>
[INFO] [stdout]              <i32 as Sum>
[INFO] [stdout]              <i32 as Sum<&'a i32>>
[INFO] [stdout]            and 72 others
[INFO] [stdout] note: the method call chain might not have had the expected associated types
[INFO] [stdout]   --> src/main.rs:34:28
[INFO] [stdout]    |
[INFO] [stdout] 33 |             let new_sum = recall_sum(sum);
[INFO] [stdout]    |                           --------------- this expression has type `Vec<u32>`
[INFO] [stdout] 34 |             return new_sum.iter().sum();
[INFO] [stdout]    |                            ^^^^^^ `Iterator::Item` is `&u32` here
[INFO] [stdout] note: required by a bound in `std::iter::Iterator::sum`
[INFO] [stdout]   --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/iter/traits/iterator.rs:3630:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `numerology` (bin "numerology") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b345b9d6ec9cd692c58a054a893782c6e4ded9d7614df08fa52dc9f9a11885a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b345b9d6ec9cd692c58a054a893782c6e4ded9d7614df08fa52dc9f9a11885a2", kill_on_drop: false }`
[INFO] [stdout] b345b9d6ec9cd692c58a054a893782c6e4ded9d7614df08fa52dc9f9a11885a2
