[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] checking Caryyon/numerology against master#46424fb5054f211ec836c5c03159f92e46bb35ac for pr-139042
[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 46424fb5054f211ec836c5c03159f92e46bb35ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "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" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd3cba92ee09b151f6e3e097e19b47742c50f0997cdd5550d53e7440430cdbfc
[INFO] running `Command { std: "docker" "start" "-a" "cd3cba92ee09b151f6e3e097e19b47742c50f0997cdd5550d53e7440430cdbfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd3cba92ee09b151f6e3e097e19b47742c50f0997cdd5550d53e7440430cdbfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd3cba92ee09b151f6e3e097e19b47742c50f0997cdd5550d53e7440430cdbfc", kill_on_drop: false }`
[INFO] [stdout] cd3cba92ee09b151f6e3e097e19b47742c50f0997cdd5550d53e7440430cdbfc
[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=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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95ea1ac1a4a4ddda6e9e04e4f459b190c5c6503309d3da85a7eda5f02ab24b44
[INFO] running `Command { std: "docker" "start" "-a" "95ea1ac1a4a4ddda6e9e04e4f459b190c5c6503309d3da85a7eda5f02ab24b44", kill_on_drop: false }`
[INFO] [stderr]     Checking 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]              `Simd<f32, N>` implements `Sum<&'a Simd<f32, N>>`
[INFO] [stdout]              `Simd<f32, N>` implements `Sum`
[INFO] [stdout]              `Simd<f64, N>` implements `Sum<&'a Simd<f64, N>>`
[INFO] [stdout]              `Simd<f64, N>` implements `Sum`
[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/46424fb5054f211ec836c5c03159f92e46bb35ac/library/core/src/iter/traits/iterator.rs:3535:5
[INFO] [stdout] 
[INFO] [stdout] 
[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]              `Simd<f32, N>` implements `Sum<&'a Simd<f32, N>>`
[INFO] [stdout]              `Simd<f32, N>` implements `Sum`
[INFO] [stdout]              `Simd<f64, N>` implements `Sum<&'a Simd<f64, N>>`
[INFO] [stdout]              `Simd<f64, N>` implements `Sum`
[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/46424fb5054f211ec836c5c03159f92e46bb35ac/library/core/src/iter/traits/iterator.rs:3535:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `numerology` (bin "numerology" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "95ea1ac1a4a4ddda6e9e04e4f459b190c5c6503309d3da85a7eda5f02ab24b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95ea1ac1a4a4ddda6e9e04e4f459b190c5c6503309d3da85a7eda5f02ab24b44", kill_on_drop: false }`
[INFO] [stdout] 95ea1ac1a4a4ddda6e9e04e4f459b190c5c6503309d3da85a7eda5f02ab24b44
