[INFO] cloning repository https://github.com/AustinOliverHaskell/GenerativeArt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AustinOliverHaskell/GenerativeArt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAustinOliverHaskell%2FGenerativeArt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAustinOliverHaskell%2FGenerativeArt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f79b0eb5bc161926e8bedb32478d14bd489cdf54
[INFO] checking AustinOliverHaskell/GenerativeArt against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAustinOliverHaskell%2FGenerativeArt" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AustinOliverHaskell/GenerativeArt
[INFO] finished tweaking git repo https://github.com/AustinOliverHaskell/GenerativeArt
[INFO] tweaked toml for git repo https://github.com/AustinOliverHaskell/GenerativeArt written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AustinOliverHaskell/GenerativeArt on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AustinOliverHaskell/GenerativeArt 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded deflate v0.9.1
[INFO] [stderr]   Downloaded png v0.17.2
[INFO] [stderr]   Downloaded libc v0.2.113
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3505979aed70a97b198fe86e2e0e555eff1c785d9ab31473fefc1e49069478b7
[INFO] running `Command { std: "docker" "start" "-a" "3505979aed70a97b198fe86e2e0e555eff1c785d9ab31473fefc1e49069478b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3505979aed70a97b198fe86e2e0e555eff1c785d9ab31473fefc1e49069478b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3505979aed70a97b198fe86e2e0e555eff1c785d9ab31473fefc1e49069478b7", kill_on_drop: false }`
[INFO] [stdout] 3505979aed70a97b198fe86e2e0e555eff1c785d9ab31473fefc1e49069478b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f36d1d790e044857acd3f1479bbf2fc6c8a3bb74767e6d2e7b353559da8ec7f8
[INFO] running `Command { std: "docker" "start" "-a" "f36d1d790e044857acd3f1479bbf2fc6c8a3bb74767e6d2e7b353559da8ec7f8", kill_on_drop: false }`
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking deflate v0.9.1
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking png v0.17.2
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking generative_art v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/gravity_sim.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let slope = point_a.slope(point_b);
[INFO] [stdout]    |                 ---------------------- expected due to this value
[INFO] [stdout] ...
[INFO] [stdout] 23 |         slope = slope.unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^ expected `Option<f32>`, found `f32`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Option<f32>`
[INFO] [stdout]               found type `f32`
[INFO] [stdout] help: try wrapping the expression in `Some`
[INFO] [stdout]    |
[INFO] [stdout] 23 |         slope = Some(slope.unwrap());
[INFO] [stdout]    |                 +++++              +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/gravity_sim.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let slope = point_a.slope(point_b);
[INFO] [stdout]    |                 ---------------------- expected due to this value
[INFO] [stdout] ...
[INFO] [stdout] 23 |         slope = slope.unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^ expected `Option<f32>`, found `f32`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Option<f32>`
[INFO] [stdout]               found type `f32`
[INFO] [stdout] help: try wrapping the expression in `Some`
[INFO] [stdout]    |
[INFO] [stdout] 23 |         slope = Some(slope.unwrap());
[INFO] [stdout]    |                 +++++              +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `generative_art` (bin "generative_art" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `generative_art` (bin "generative_art") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f36d1d790e044857acd3f1479bbf2fc6c8a3bb74767e6d2e7b353559da8ec7f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f36d1d790e044857acd3f1479bbf2fc6c8a3bb74767e6d2e7b353559da8ec7f8", kill_on_drop: false }`
[INFO] [stdout] f36d1d790e044857acd3f1479bbf2fc6c8a3bb74767e6d2e7b353559da8ec7f8
