[INFO] fetching crate swish_swish 1.0.7...
[INFO] checking swish_swish-1.0.7 against master#2ad5292aea6328113b55968b4322528d48261316 for pr-80243
[INFO] extracting crate swish_swish 1.0.7 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate swish_swish 1.0.7 on toolchain 2ad5292aea6328113b55968b4322528d48261316
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate swish_swish 1.0.7
[INFO] finished tweaking crates.io crate swish_swish 1.0.7
[INFO] tweaked toml for crates.io crate swish_swish 1.0.7 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6fe1f4511ade77ad47ae68c93bafd609ec72fd08d5357738e387fc86a8a2b0ef
[INFO] running `Command { std: "docker" "start" "-a" "6fe1f4511ade77ad47ae68c93bafd609ec72fd08d5357738e387fc86a8a2b0ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fe1f4511ade77ad47ae68c93bafd609ec72fd08d5357738e387fc86a8a2b0ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fe1f4511ade77ad47ae68c93bafd609ec72fd08d5357738e387fc86a8a2b0ef", kill_on_drop: false }`
[INFO] [stdout] 6fe1f4511ade77ad47ae68c93bafd609ec72fd08d5357738e387fc86a8a2b0ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5ec346ce48e01800331ea413224338e5fe0a0a5a324d6b3a5a2f2e9cbfee9b8c
[INFO] running `Command { std: "docker" "start" "-a" "5ec346ce48e01800331ea413224338e5fe0a0a5a324d6b3a5a2f2e9cbfee9b8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking serde v1.0.118
[INFO] [stderr]     Checking serde_json v1.0.60
[INFO] [stderr]     Checking swish_swish v1.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `main` has invalid return type `cors::Cors`
[INFO] [stdout]    --> src/lib.rs:26:5
[INFO] [stdout]     |
[INFO] [stdout] 26  | /     fn defined_like_this() -> Cors {
[INFO] [stdout] 27  | |         Cors {
[INFO] [stdout] 28  | |             access_control_allow_origin: Some(["nothing".to_string()].to_vec()),
[INFO] [stdout] 29  | |             ..Default::default()
[INFO] [stdout] 30  | |         }
[INFO] [stdout] 31  | |     }
[INFO] [stdout]     | |_____^ `main` can only return types that implement `Termination`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Termination` is not implemented for `cors::Cors`
[INFO] [stdout]     = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `swish_swish`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "5ec346ce48e01800331ea413224338e5fe0a0a5a324d6b3a5a2f2e9cbfee9b8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ec346ce48e01800331ea413224338e5fe0a0a5a324d6b3a5a2f2e9cbfee9b8c", kill_on_drop: false }`
[INFO] [stdout] 5ec346ce48e01800331ea413224338e5fe0a0a5a324d6b3a5a2f2e9cbfee9b8c