[INFO] cloning repository https://github.com/a459787545/rust-learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/a459787545/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa459787545%2Frust-learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa459787545%2Frust-learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ac3bedb7982590cac25772d616f3680a8fcefc4
[INFO] checking a459787545/rust-learn/8ac3bedb7982590cac25772d616f3680a8fcefc4 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa459787545%2Frust-learn" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/a459787545/rust-learn on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/a459787545/rust-learn
[INFO] finished tweaking git repo https://github.com/a459787545/rust-learn
[INFO] tweaked toml for git repo https://github.com/a459787545/rust-learn written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/a459787545/rust-learn 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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ecc7220ed1ee43a58ec75b21f4dc0c29dd37383547fd97c098c178cb82351b3
[INFO] running `Command { std: "docker" "start" "-a" "8ecc7220ed1ee43a58ec75b21f4dc0c29dd37383547fd97c098c178cb82351b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ecc7220ed1ee43a58ec75b21f4dc0c29dd37383547fd97c098c178cb82351b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ecc7220ed1ee43a58ec75b21f4dc0c29dd37383547fd97c098c178cb82351b3", kill_on_drop: false }`
[INFO] [stdout] 8ecc7220ed1ee43a58ec75b21f4dc0c29dd37383547fd97c098c178cb82351b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c3a05772bb9c4e2061f3de8d45f8e4877d438d0f8df141d51c5c272bd75dc10
[INFO] running `Command { std: "docker" "start" "-a" "8c3a05772bb9c4e2061f3de8d45f8e4877d438d0f8df141d51c5c272bd75dc10", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lesson04/course04.rs:94:36
[INFO] [stdout]    |
[INFO] [stdout] 94 |         assert_eq!(12.0, calc_area(rec));
[INFO] [stdout]    |                          --------- ^^^ expected `&_`, found `Rectangle`
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&_`
[INFO] [stdout]                  found struct `Rectangle`
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> src/lesson04/course04.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn calc_area<T: Area>(t: &T) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^          -----
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 94 |         assert_eq!(12.0, calc_area(&rec));
[INFO] [stdout]    |                                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-learn` (bin "rust-learn" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "8c3a05772bb9c4e2061f3de8d45f8e4877d438d0f8df141d51c5c272bd75dc10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c3a05772bb9c4e2061f3de8d45f8e4877d438d0f8df141d51c5c272bd75dc10", kill_on_drop: false }`
[INFO] [stdout] 8c3a05772bb9c4e2061f3de8d45f8e4877d438d0f8df141d51c5c272bd75dc10