[INFO] fetching crate bytebuff 0.1.1...
[INFO] checking bytebuff-0.1.1 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate bytebuff 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate bytebuff 0.1.1 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bytebuff 0.1.1
[INFO] finished tweaking crates.io crate bytebuff 0.1.1
[INFO] tweaked toml for crates.io crate bytebuff 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded marshall_derive v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8826a91da84887f1e5b899fab958b2239aec9647bbdfdc74136de3134b2d9ed0
[INFO] running `Command { std: "docker" "start" "-a" "8826a91da84887f1e5b899fab958b2239aec9647bbdfdc74136de3134b2d9ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8826a91da84887f1e5b899fab958b2239aec9647bbdfdc74136de3134b2d9ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8826a91da84887f1e5b899fab958b2239aec9647bbdfdc74136de3134b2d9ed0", kill_on_drop: false }`
[INFO] [stdout] 8826a91da84887f1e5b899fab958b2239aec9647bbdfdc74136de3134b2d9ed0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19dc53588ae87e8ddcf5451a2183d277dc6cd422244b4a74f35951f956c5c951
[INFO] running `Command { std: "docker" "start" "-a" "19dc53588ae87e8ddcf5451a2183d277dc6cd422244b4a74f35951f956c5c951", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling marshall_derive v0.1.1
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/marshall_derive-0.1.1/src/lib.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | use syn::export::ToTokens;
[INFO] [stdout]   |          ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_token_stream` found for enum `syn::Type` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/marshall_derive-0.1.1/src/lib.rs:50:36
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 let ty = &field.ty.to_token_stream().to_string();
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/quote-1.0.37/src/to_tokens.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn to_token_stream(&self) -> TokenStream {
[INFO] [stdout]    |        --------------- the method is available for `syn::Type` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `ToTokens` which provides `to_token_stream` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 2  + use syn::__private::ToTokens;
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `into_token_stream` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 let ty = &field.ty.into_token_stream().to_string();
[INFO] [stdout]    |                                    ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `marshall_derive` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "19dc53588ae87e8ddcf5451a2183d277dc6cd422244b4a74f35951f956c5c951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19dc53588ae87e8ddcf5451a2183d277dc6cd422244b4a74f35951f956c5c951", kill_on_drop: false }`
[INFO] [stdout] 19dc53588ae87e8ddcf5451a2183d277dc6cd422244b4a74f35951f956c5c951