[INFO] fetching crate swish_swish 1.0.7...
[INFO] testing swish_swish-1.0.7 against 1.49.0 for beta-1.50-1
[INFO] extracting crate swish_swish 1.0.7 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate swish_swish 1.0.7 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 3d532409d1b865975c887f1d1f8fe22982a76bc1f7d76a41aacf1d9873f3d62c
[INFO] running `Command { std: "docker" "start" "-a" "3d532409d1b865975c887f1d1f8fe22982a76bc1f7d76a41aacf1d9873f3d62c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d532409d1b865975c887f1d1f8fe22982a76bc1f7d76a41aacf1d9873f3d62c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d532409d1b865975c887f1d1f8fe22982a76bc1f7d76a41aacf1d9873f3d62c", kill_on_drop: false }`
[INFO] [stdout] 3d532409d1b865975c887f1d1f8fe22982a76bc1f7d76a41aacf1d9873f3d62c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5941ab23bd444e9b3d468280065ec8dd75edbc80022d7a51e876bc8488185fc9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5941ab23bd444e9b3d468280065ec8dd75edbc80022d7a51e876bc8488185fc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling swish_swish v1.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "5941ab23bd444e9b3d468280065ec8dd75edbc80022d7a51e876bc8488185fc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5941ab23bd444e9b3d468280065ec8dd75edbc80022d7a51e876bc8488185fc9", kill_on_drop: false }`
[INFO] [stdout] 5941ab23bd444e9b3d468280065ec8dd75edbc80022d7a51e876bc8488185fc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9344286091ebb1af49f75f30911ee9d6b88f75f422e784fc5c1c0b15b1b19ba
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c9344286091ebb1af49f75f30911ee9d6b88f75f422e784fc5c1c0b15b1b19ba", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling 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" "c9344286091ebb1af49f75f30911ee9d6b88f75f422e784fc5c1c0b15b1b19ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9344286091ebb1af49f75f30911ee9d6b88f75f422e784fc5c1c0b15b1b19ba", kill_on_drop: false }`
[INFO] [stdout] c9344286091ebb1af49f75f30911ee9d6b88f75f422e784fc5c1c0b15b1b19ba