[INFO] fetching crate eventmill_derive 0.3.0...
[INFO] checking eventmill_derive-0.3.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate eventmill_derive 0.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate eventmill_derive 0.3.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90d10c0144e0f52cfd869ecc9a4c2b12c47741625da05dc899583bc4e0223eb9
[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" "90d10c0144e0f52cfd869ecc9a4c2b12c47741625da05dc899583bc4e0223eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90d10c0144e0f52cfd869ecc9a4c2b12c47741625da05dc899583bc4e0223eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90d10c0144e0f52cfd869ecc9a4c2b12c47741625da05dc899583bc4e0223eb9", kill_on_drop: false }`
[INFO] [stdout] 90d10c0144e0f52cfd869ecc9a4c2b12c47741625da05dc899583bc4e0223eb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21b9e931a438672ac0d8426a2ff613de4d00a21548e20bb9921bb92c476400d9
[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" "21b9e931a438672ac0d8426a2ff613de4d00a21548e20bb9921bb92c476400d9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[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" "21b9e931a438672ac0d8426a2ff613de4d00a21548e20bb9921bb92c476400d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21b9e931a438672ac0d8426a2ff613de4d00a21548e20bb9921bb92c476400d9", kill_on_drop: false }`
[INFO] [stdout] 21b9e931a438672ac0d8426a2ff613de4d00a21548e20bb9921bb92c476400d9