[INFO] cloning repository https://github.com/fracerba/Rust_Coding_Club
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fracerba/Rust_Coding_Club" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffracerba%2FRust_Coding_Club", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffracerba%2FRust_Coding_Club'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] abf9b3529895a63e4e159258279ac11d6a98ed90
[INFO] testing fracerba/Rust_Coding_Club against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffracerba%2FRust_Coding_Club" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fracerba/Rust_Coding_Club
[INFO] finished tweaking git repo https://github.com/fracerba/Rust_Coding_Club
[INFO] tweaked toml for git repo https://github.com/fracerba/Rust_Coding_Club written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fracerba/Rust_Coding_Club on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fracerba/Rust_Coding_Club 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5a89d5c388586abb12e146b7d9179734fdfa0d1ed3c50291087aaa582d2c3213
[INFO] running `Command { std: "docker" "start" "5a89d5c388586abb12e146b7d9179734fdfa0d1ed3c50291087aaa582d2c3213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a89d5c388586abb12e146b7d9179734fdfa0d1ed3c50291087aaa582d2c3213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5a89d5c388586abb12e146b7d9179734fdfa0d1ed3c50291087aaa582d2c3213" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a89d5c388586abb12e146b7d9179734fdfa0d1ed3c50291087aaa582d2c3213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5a89d5c388586abb12e146b7d9179734fdfa0d1ed3c50291087aaa582d2c3213" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_day_1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `rust_day_1` (bin "rust_day_1") due to 1 previous error
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:25:40
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn transpose(matrix: [[i32; 3]; 3]) -> [[i32; 3]; 3] {
[INFO] [stdout]    |    ---------                           ^^^^^^^^^^^^^ expected `[[i32; 3]; 3]`, found `()`
[INFO] [stdout]    |    |
[INFO] [stdout]    |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout] help: consider returning the local binding `matrix`
[INFO] [stdout]    |
[INFO] [stdout] 25 ~ fn transpose(matrix: [[i32; 3]; 3]) -> [[i32; 3]; 3] {
[INFO] [stdout] 26 +     matrix
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5a89d5c388586abb12e146b7d9179734fdfa0d1ed3c50291087aaa582d2c3213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a89d5c388586abb12e146b7d9179734fdfa0d1ed3c50291087aaa582d2c3213", kill_on_drop: false }`
[INFO] [stdout] 5a89d5c388586abb12e146b7d9179734fdfa0d1ed3c50291087aaa582d2c3213
