[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#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaryyon%2Fnumerology" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Caryyon/numerology on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "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-4-tc2/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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fe513684ae7d95f3b13c54865c78fc534218cfcf6f9bcf4becdfa3d5c8f352b
[INFO] running `Command { std: "docker" "start" "-a" "7fe513684ae7d95f3b13c54865c78fc534218cfcf6f9bcf4becdfa3d5c8f352b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fe513684ae7d95f3b13c54865c78fc534218cfcf6f9bcf4becdfa3d5c8f352b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fe513684ae7d95f3b13c54865c78fc534218cfcf6f9bcf4becdfa3d5c8f352b", kill_on_drop: false }`
[INFO] [stdout] 7fe513684ae7d95f3b13c54865c78fc534218cfcf6f9bcf4becdfa3d5c8f352b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74e46512d84b0aac020c9352314de21cef36edd61b18525aaa42d5f9233c2fe6
[INFO] running `Command { std: "docker" "start" "-a" "74e46512d84b0aac020c9352314de21cef36edd61b18525aaa42d5f9233c2fe6", 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 as Sum<&'a Duration>>
[INFO] [stdout]              <Duration as Sum>
[INFO] [stdout]              <Option<T> as Sum<Option<U>>>
[INFO] [stdout]              <Result<T, E> as Sum<Result<U, E>>>
[INFO] [stdout]              <Simd<f32, LANES> as Sum<&'a Simd<f32, LANES>>>
[INFO] [stdout]              <Simd<f32, LANES> as Sum>
[INFO] [stdout]              <Simd<f64, LANES> as Sum<&'a Simd<f64, LANES>>>
[INFO] [stdout]              <Simd<f64, LANES> as 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/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/core/src/iter/traits/iterator.rs:3471:5
[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] [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 as Sum<&'a Duration>>
[INFO] [stdout]              <Duration as Sum>
[INFO] [stdout]              <Option<T> as Sum<Option<U>>>
[INFO] [stdout]              <Result<T, E> as Sum<Result<U, E>>>
[INFO] [stdout]              <Simd<f32, LANES> as Sum<&'a Simd<f32, LANES>>>
[INFO] [stdout]              <Simd<f32, LANES> as Sum>
[INFO] [stdout]              <Simd<f64, LANES> as Sum<&'a Simd<f64, LANES>>>
[INFO] [stdout]              <Simd<f64, LANES> as 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/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/core/src/iter/traits/iterator.rs:3471:5
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `numerology` (bin "numerology" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "74e46512d84b0aac020c9352314de21cef36edd61b18525aaa42d5f9233c2fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74e46512d84b0aac020c9352314de21cef36edd61b18525aaa42d5f9233c2fe6", kill_on_drop: false }`
[INFO] [stdout] 74e46512d84b0aac020c9352314de21cef36edd61b18525aaa42d5f9233c2fe6
