[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 {} [INFO] [stdout] | ------- ^^^^^^^^ expected `Vec`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] | [INFO] [stdout] = note: expected struct `Vec` [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