[INFO] fetching crate eventmill_derive 0.3.0...
[INFO] checking eventmill_derive-0.3.0 against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] extracting crate eventmill_derive 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate eventmill_derive 0.3.0 on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "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] e5d9f577adc7bd8d6392603d1e70c5509ee1985eb665e721b567d61201858413
[INFO] running `Command { std: "docker" "start" "-a" "e5d9f577adc7bd8d6392603d1e70c5509ee1985eb665e721b567d61201858413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5d9f577adc7bd8d6392603d1e70c5509ee1985eb665e721b567d61201858413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5d9f577adc7bd8d6392603d1e70c5509ee1985eb665e721b567d61201858413", kill_on_drop: false }`
[INFO] [stdout] e5d9f577adc7bd8d6392603d1e70c5509ee1985eb665e721b567d61201858413
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c496483f868e4ecf01d42db0f9378d1acd2c9513559354e3e9124913b8e44256
[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" "c496483f868e4ecf01d42db0f9378d1acd2c9513559354e3e9124913b8e44256", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking 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] [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] [stderr] error: could not compile `eventmill_derive`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c496483f868e4ecf01d42db0f9378d1acd2c9513559354e3e9124913b8e44256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c496483f868e4ecf01d42db0f9378d1acd2c9513559354e3e9124913b8e44256", kill_on_drop: false }`
[INFO] [stdout] c496483f868e4ecf01d42db0f9378d1acd2c9513559354e3e9124913b8e44256