[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 try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaryyon%2Fnumerology" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[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-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Caryyon/numerology on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42f0cbad285f6124f3234ae991963a6307857800a060253ef9f50da898d08015
[INFO] running `Command { std: "docker" "start" "-a" "42f0cbad285f6124f3234ae991963a6307857800a060253ef9f50da898d08015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42f0cbad285f6124f3234ae991963a6307857800a060253ef9f50da898d08015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42f0cbad285f6124f3234ae991963a6307857800a060253ef9f50da898d08015", kill_on_drop: false }`
[INFO] [stdout] 42f0cbad285f6124f3234ae991963a6307857800a060253ef9f50da898d08015
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 843bc6d0b980c709de93a63f79c1e789c84bc908d22a022814e73800ffd4a7bb
[INFO] running `Command { std: "docker" "start" "-a" "843bc6d0b980c709de93a63f79c1e789c84bc908d22a022814e73800ffd4a7bb", 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]              `Duration` implements `Sum<&'a Duration>`
[INFO] [stdout]              `Duration` implements `Sum`
[INFO] [stdout]              `Option<T>` implements `Sum<Option<U>>`
[INFO] [stdout]              `Result<T, E>` implements `Sum<Result<U, E>>`
[INFO] [stdout]              `Saturating<u128>` implements `Sum<&'a Saturating<u128>>`
[INFO] [stdout]              `Saturating<u128>` implements `Sum`
[INFO] [stdout]              `Saturating<u16>` implements `Sum<&'a Saturating<u16>>`
[INFO] [stdout]              `Saturating<u16>` implements `Sum`
[INFO] [stdout]            and 88 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/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/iter/traits/iterator.rs:3576:5
[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 1 previous error
[INFO] running `Command { std: "docker" "inspect" "843bc6d0b980c709de93a63f79c1e789c84bc908d22a022814e73800ffd4a7bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "843bc6d0b980c709de93a63f79c1e789c84bc908d22a022814e73800ffd4a7bb", kill_on_drop: false }`
[INFO] [stdout] 843bc6d0b980c709de93a63f79c1e789c84bc908d22a022814e73800ffd4a7bb
