[INFO] cloning repository https://github.com/Malique-Auguste/SwingStateResearch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Malique-Auguste/SwingStateResearch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalique-Auguste%2FSwingStateResearch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalique-Auguste%2FSwingStateResearch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80859725fcfc3a2773c8bd0a68fc19eaa7ef244c
[INFO] checking Malique-Auguste/SwingStateResearch against try#802c9b5f98c16ec9d24cdfd517f740f1f3df0e29 for pr-137728
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalique-Auguste%2FSwingStateResearch" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Malique-Auguste/SwingStateResearch on toolchain 802c9b5f98c16ec9d24cdfd517f740f1f3df0e29
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Malique-Auguste/SwingStateResearch
[INFO] finished tweaking git repo https://github.com/Malique-Auguste/SwingStateResearch
[INFO] tweaked toml for git repo https://github.com/Malique-Auguste/SwingStateResearch written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Malique-Auguste/SwingStateResearch 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" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e753d88d320cba92f62f5b3deb0fe2139774316cd78afa62c8e7a1d0d9bcb1f
[INFO] running `Command { std: "docker" "start" "-a" "3e753d88d320cba92f62f5b3deb0fe2139774316cd78afa62c8e7a1d0d9bcb1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e753d88d320cba92f62f5b3deb0fe2139774316cd78afa62c8e7a1d0d9bcb1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e753d88d320cba92f62f5b3deb0fe2139774316cd78afa62c8e7a1d0d9bcb1f", kill_on_drop: false }`
[INFO] [stdout] 3e753d88d320cba92f62f5b3deb0fe2139774316cd78afa62c8e7a1d0d9bcb1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbc10f89c2896197ab39202c440515928226f1e98acb6ccc14a16a11b0f32a3c
[INFO] running `Command { std: "docker" "start" "-a" "bbc10f89c2896197ab39202c440515928226f1e98acb6ccc14a16a11b0f32a3c", kill_on_drop: false }`
[INFO] [stderr]     Checking SwingStateResearch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/polygon.rs:12:39
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn from_json(data: String) -> Region {
[INFO] [stdout]    |            ---------                  ^^^^^^ expected `Region`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/polygon.rs:12:39
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn from_json(data: String) -> Region {
[INFO] [stdout]    |            ---------                  ^^^^^^ expected `Region`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[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 `SwingStateResearch` (bin "SwingStateResearch") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `SwingStateResearch` (bin "SwingStateResearch" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "bbc10f89c2896197ab39202c440515928226f1e98acb6ccc14a16a11b0f32a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbc10f89c2896197ab39202c440515928226f1e98acb6ccc14a16a11b0f32a3c", kill_on_drop: false }`
[INFO] [stdout] bbc10f89c2896197ab39202c440515928226f1e98acb6ccc14a16a11b0f32a3c