[INFO] cloning repository https://github.com/MihaiBlebea/bee-sweeper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MihaiBlebea/bee-sweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMihaiBlebea%2Fbee-sweeper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMihaiBlebea%2Fbee-sweeper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ce9b0b7fe2d31ceb64e5fd978f169848c41b7ebd
[INFO] testing MihaiBlebea/bee-sweeper against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMihaiBlebea%2Fbee-sweeper" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MihaiBlebea/bee-sweeper on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MihaiBlebea/bee-sweeper
[INFO] finished tweaking git repo https://github.com/MihaiBlebea/bee-sweeper
[INFO] tweaked toml for git repo https://github.com/MihaiBlebea/bee-sweeper written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/MihaiBlebea/bee-sweeper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.55
[INFO] [stderr]   Downloaded syn v1.0.31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 19ca82c9217e4dadc3dada032fa261fb8888d0fd373a0046a239466b10bc4cc5
[INFO] running `Command { std: "docker" "start" "-a" "19ca82c9217e4dadc3dada032fa261fb8888d0fd373a0046a239466b10bc4cc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19ca82c9217e4dadc3dada032fa261fb8888d0fd373a0046a239466b10bc4cc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19ca82c9217e4dadc3dada032fa261fb8888d0fd373a0046a239466b10bc4cc5", kill_on_drop: false }`
[INFO] [stdout] 19ca82c9217e4dadc3dada032fa261fb8888d0fd373a0046a239466b10bc4cc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9be7cdc986efb95762e78570fa734351311c0faaed244cfd1ab72ae714b903ac
[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" "9be7cdc986efb95762e78570fa734351311c0faaed244cfd1ab72ae714b903ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.63
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.5
[INFO] [stderr]    Compiling base-x v0.2.6
[INFO] [stderr]    Compiling wasm-bindgen v0.2.63
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling stdweb v0.4.20
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.63
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.63
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.63
[INFO] [stderr]    Compiling stdweb-derive v0.5.3
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.9
[INFO] [stderr]    Compiling beesweeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `fn() -> std::string::String: IntoWasmAbi` is not satisfied
[INFO] [stdout]   --> src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[wasm_bindgen]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^ the trait `IntoWasmAbi` is not implemented for `fn() -> std::string::String`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `IntoWasmAbi`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wasm-bindgen-0.2.63/src/convert/traits.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / pub trait IntoWasmAbi: WasmDescribe {
[INFO] [stdout] 10 | |     /// The wasm ABI type that this converts into when crossing the ABI
[INFO] [stdout] 11 | |     /// boundary.
[INFO] [stdout] 12 | |     type Abi: WasmAbi;
[INFO] [stdout] ...  |
[INFO] [stdout] 16 | |     fn into_abi(self) -> Self::Abi;
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^ required by this bound in `IntoWasmAbi`
[INFO] [stdout]    = note: this error originates in the attribute macro `wasm_bindgen` (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 `beesweeper` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "9be7cdc986efb95762e78570fa734351311c0faaed244cfd1ab72ae714b903ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9be7cdc986efb95762e78570fa734351311c0faaed244cfd1ab72ae714b903ac", kill_on_drop: false }`
[INFO] [stdout] 9be7cdc986efb95762e78570fa734351311c0faaed244cfd1ab72ae714b903ac