[INFO] fetching crate eventmill_derive 0.3.0...
[INFO] testing eventmill_derive-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate eventmill_derive 0.3.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate eventmill_derive 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate eventmill_derive 0.3.0
[INFO] finished tweaking crates.io crate eventmill_derive 0.3.0
[INFO] tweaked toml for crates.io crate eventmill_derive 0.3.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08fc015bae94b63f369b9274ba380b8945a482fa36e58521f509fe93bf64dab2
[INFO] running `Command { std: "docker" "start" "-a" "08fc015bae94b63f369b9274ba380b8945a482fa36e58521f509fe93bf64dab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08fc015bae94b63f369b9274ba380b8945a482fa36e58521f509fe93bf64dab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08fc015bae94b63f369b9274ba380b8945a482fa36e58521f509fe93bf64dab2", kill_on_drop: false }`
[INFO] [stdout] 08fc015bae94b63f369b9274ba380b8945a482fa36e58521f509fe93bf64dab2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87d66e761b1c9a175e0fc5366a1e0fc1c8f1f703b3b08f72546b63b68fe684c2
[INFO] running `Command { std: "docker" "start" "-a" "87d66e761b1c9a175e0fc5366a1e0fc1c8f1f703b3b08f72546b63b68fe684c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling eventmill_derive v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> src/event_type.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | use syn::export::ToTokens;
[INFO] [stdout]   |          ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `into_token_stream` found for reference `&TokenStream2` in the current scope
[INFO] [stdout]   --> src/event_type.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 |         .map(|attr| (&attr.tokens).into_token_stream())
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^ method not found in `&TokenStream2`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]    = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]            `use quote::ToTokens;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `into_token_stream` found for reference `&TokenStream2` in the current scope
[INFO] [stdout]   --> src/event_type.rs:14:36
[INFO] [stdout]    |
[INFO] [stdout] 14 |         .map(|attr| (&attr.tokens).into_token_stream())
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^ method not found in `&TokenStream2`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]    = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]            `use quote::ToTokens;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `into_token_stream` found for reference `&TokenStream2` in the current scope
[INFO] [stdout]   --> src/event_type.rs:24:44
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 .map(|attr| (&attr.tokens).into_token_stream())
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^ method not found in `&TokenStream2`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]    = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]            `use quote::ToTokens;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `into_token_stream` found for reference `&TokenStream2` in the current scope
[INFO] [stdout]   --> src/event_type.rs:78:36
[INFO] [stdout]    |
[INFO] [stdout] 78 |         .map(|attr| (&attr.tokens).into_token_stream())
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^ method not found in `&TokenStream2`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]    = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]            `use quote::ToTokens;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `into_token_stream` found for reference `&TokenStream2` in the current scope
[INFO] [stdout]   --> src/event_type.rs:81:36
[INFO] [stdout]    |
[INFO] [stdout] 81 |         .map(|attr| (&attr.tokens).into_token_stream())
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^ method not found in `&TokenStream2`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]    = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]            `use quote::ToTokens;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `into_token_stream` found for reference `&TokenStream2` in the current scope
[INFO] [stdout]   --> src/event_type.rs:84:36
[INFO] [stdout]    |
[INFO] [stdout] 84 |         .map(|attr| (&attr.tokens).into_token_stream())
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^ method not found in `&TokenStream2`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]    = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]            `use quote::ToTokens;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `eventmill_derive` due to 8 previous errors
[INFO] [stdout] error: aborting due to 7 previous errors
[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] running `Command { std: "docker" "inspect" "87d66e761b1c9a175e0fc5366a1e0fc1c8f1f703b3b08f72546b63b68fe684c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87d66e761b1c9a175e0fc5366a1e0fc1c8f1f703b3b08f72546b63b68fe684c2", kill_on_drop: false }`
[INFO] [stdout] 87d66e761b1c9a175e0fc5366a1e0fc1c8f1f703b3b08f72546b63b68fe684c2