[INFO] fetching crate wasmy-vm 0.5.6...
[INFO] checking wasmy-vm-0.5.6 against 8773d2c75a8e90130dcce745a7ec4e66bb9963db+rustflags=-Aunfulfilled-lint-expectations for pr-163637
[INFO] extracting crate wasmy-vm 0.5.6 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate wasmy-vm 0.5.6
[INFO] finished tweaking crates.io crate wasmy-vm 0.5.6
[INFO] tweaked toml for crates.io crate wasmy-vm 0.5.6 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wasmy-vm 0.5.6 on toolchain 8773d2c75a8e90130dcce745a7ec4e66bb9963db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8773d2c75a8e90130dcce745a7ec4e66bb9963db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8773d2c75a8e90130dcce745a7ec4e66bb9963db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 225 packages to highest compatible versions
[INFO] [stderr]       Adding inventory v0.2.3 (available: v0.3.25)
[INFO] [stderr]       Adding protobuf v2.28.0 (available: v3.7.2)
[INFO] [stderr]       Adding psm v0.1.24 (available: v0.1.32)
[INFO] [stderr]       Adding wasmer v2.3.0 (available: v7.5.0)
[INFO] [stderr]       Adding wasmer-compiler-cranelift v2.3.0 (available: v7.5.0)
[INFO] [stderr]       Adding wasmer-compiler-llvm v2.3.0 (available: v7.5.0)
[INFO] [stderr]       Adding wasmer-wasi v2.3.0 (available: v3.1.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8773d2c75a8e90130dcce745a7ec4e66bb9963db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e0d94751344e2ee194f5ce3db84b9848b0f2ef72dc14f613533c1c5c4f0b91e6
[INFO] running `Command { std: "docker" "start" "e0d94751344e2ee194f5ce3db84b9848b0f2ef72dc14f613533c1c5c4f0b91e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0d94751344e2ee194f5ce3db84b9848b0f2ef72dc14f613533c1c5c4f0b91e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e0d94751344e2ee194f5ce3db84b9848b0f2ef72dc14f613533c1c5c4f0b91e6" "/opt/rustwide/cargo-home/bin/cargo" "+8773d2c75a8e90130dcce745a7ec4e66bb9963db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0d94751344e2ee194f5ce3db84b9848b0f2ef72dc14f613533c1c5c4f0b91e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Aunfulfilled-lint-expectations" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e0d94751344e2ee194f5ce3db84b9848b0f2ef72dc14f613533c1c5c4f0b91e6" "/opt/rustwide/cargo-home/bin/cargo" "+8773d2c75a8e90130dcce745a7ec4e66bb9963db" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling wasmy-abi v0.5.6
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[INFO] [stderr]     Checking wat v1.262.0
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[INFO] [stderr]     Checking wasmy-vm v0.5.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `ops::try_trait_old::FromResidual`)
[INFO] [stdout]   --> src/handler.rs:92:7
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn handle(ctx_ptr: usize, args: InArgs) -> OutRets {
[INFO] [stdout]    | -------------------------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 92 |     })?(ctx_ptr, args.get_data());
[INFO] [stdout]    |       ^ cannot use the `?` operator in a function that returns `wasmy_abi::OutRets`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `ops::try_trait_old::FromResidual<std::result::Result<!, wasmy_abi::CodeMsg>>` is not implemented for `wasmy_abi::OutRets`
[INFO] [stdout]    = note: `wasmy_abi::OutRets` implements similarly named trait `FromResidual`, but not `ops::try_trait_old::FromResidual<std::result::Result<!, wasmy_abi::CodeMsg>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `ops::try_trait_old::FromResidual`)
[INFO] [stdout]   --> src/handler.rs:92:7
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn handle(ctx_ptr: usize, args: InArgs) -> OutRets {
[INFO] [stdout]    | -------------------------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 92 |     })?(ctx_ptr, args.get_data());
[INFO] [stdout]    |       ^ cannot use the `?` operator in a function that returns `wasmy_abi::OutRets`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `ops::try_trait_old::FromResidual<std::result::Result<!, wasmy_abi::CodeMsg>>` is not implemented for `wasmy_abi::OutRets`
[INFO] [stdout]    = note: `wasmy_abi::OutRets` implements similarly named trait `FromResidual`, but not `ops::try_trait_old::FromResidual<std::result::Result<!, wasmy_abi::CodeMsg>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasmy-vm` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasmy-vm` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e0d94751344e2ee194f5ce3db84b9848b0f2ef72dc14f613533c1c5c4f0b91e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0d94751344e2ee194f5ce3db84b9848b0f2ef72dc14f613533c1c5c4f0b91e6", kill_on_drop: false }`
[INFO] [stdout] e0d94751344e2ee194f5ce3db84b9848b0f2ef72dc14f613533c1c5c4f0b91e6
