[INFO] cloning repository https://github.com/rasmushgrd/exercism_solutions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rasmushgrd/exercism_solutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frasmushgrd%2Fexercism_solutions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frasmushgrd%2Fexercism_solutions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19a6cc3a504a256651de5875371010905b29ed47
[INFO] checking rasmushgrd/exercism_solutions against try#e622d8d7bed4f2668d446e06c6c1436ecae15796 for pr-156776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frasmushgrd%2Fexercism_solutions" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rasmushgrd/exercism_solutions
[INFO] finished tweaking git repo https://github.com/rasmushgrd/exercism_solutions
[INFO] tweaked toml for git repo https://github.com/rasmushgrd/exercism_solutions written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rasmushgrd/exercism_solutions on toolchain e622d8d7bed4f2668d446e06c6c1436ecae15796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e622d8d7bed4f2668d446e06c6c1436ecae15796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rasmushgrd/exercism_solutions 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" "+e622d8d7bed4f2668d446e06c6c1436ecae15796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+e622d8d7bed4f2668d446e06c6c1436ecae15796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a474ddd2ca0476ccf225e38affc47440f371b37271208ff6cb785cf7a2b3c6ac
[INFO] running `Command { std: "docker" "start" "-a" "a474ddd2ca0476ccf225e38affc47440f371b37271208ff6cb785cf7a2b3c6ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a474ddd2ca0476ccf225e38affc47440f371b37271208ff6cb785cf7a2b3c6ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a474ddd2ca0476ccf225e38affc47440f371b37271208ff6cb785cf7a2b3c6ac", kill_on_drop: false }`
[INFO] [stdout] a474ddd2ca0476ccf225e38affc47440f371b37271208ff6cb785cf7a2b3c6ac
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+e622d8d7bed4f2668d446e06c6c1436ecae15796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d6be58b907d156e3f4fddc1a4565a5660fef4843951152818483b5b59de713d
[INFO] running `Command { std: "docker" "start" "-a" "5d6be58b907d156e3f4fddc1a4565a5660fef4843951152818483b5b59de713d", kill_on_drop: false }`
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking prime_factors v0.1.0 (/opt/rustwide/workdir/src/prime_factors)
[INFO] [stderr]     Checking armstrong_number v0.1.0 (/opt/rustwide/workdir/src/armstrong_number)
[INFO] [stderr]     Checking luhn v0.1.0 (/opt/rustwide/workdir/src/luhn)
[INFO] [stderr]     Checking sublist v0.1.0 (/opt/rustwide/workdir/src/sublist)
[INFO] [stderr]     Checking difference_of_squares v0.1.0 (/opt/rustwide/workdir/src/difference_of_squares)
[INFO] [stderr]     Checking exercism v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking space_age v0.1.0 (/opt/rustwide/workdir/src/space_age)
[INFO] [stderr]     Checking anagram v0.1.0 (/opt/rustwide/workdir/src/anagram)
[INFO] [stderr]     Checking series v0.1.0 (/opt/rustwide/workdir/src/series)
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]     Checking reverse_string v0.1.0 (/opt/rustwide/workdir/src/reverse_string)
[INFO] [stderr]     Checking matching_brackets v0.1.0 (/opt/rustwide/workdir/src/matching_brackets)
[INFO] [stderr]     Checking clock v0.1.0 (/opt/rustwide/workdir/src/clock)
[INFO] [stderr]     Checking kindergarten_garden v0.1.0 (/opt/rustwide/workdir/src/kindergarten_garden)
[INFO] [stderr]     Checking proverb v0.1.0 (/opt/rustwide/workdir/src/proverb)
[INFO] [stderr]     Checking raindrops v0.1.0 (/opt/rustwide/workdir/src/raindrops)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/prime_factors/src/lib.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn factors(n: u64) -> Vec<u64> {}
[INFO] [stdout]   |        -------            ^^^^^^^^ expected `Vec<u64>`, found `()`
[INFO] [stdout]   |        |
[INFO] [stdout]   |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected struct `Vec<u64>`
[INFO] [stdout]           found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prime_factors` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5d6be58b907d156e3f4fddc1a4565a5660fef4843951152818483b5b59de713d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d6be58b907d156e3f4fddc1a4565a5660fef4843951152818483b5b59de713d", kill_on_drop: false }`
[INFO] [stdout] 5d6be58b907d156e3f4fddc1a4565a5660fef4843951152818483b5b59de713d
