[INFO] fetching crate trait-match-proc-macro 0.1.0...
[INFO] checking trait-match-proc-macro-0.1.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate trait-match-proc-macro 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate trait-match-proc-macro 0.1.0 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 trait-match-proc-macro 0.1.0
[INFO] finished tweaking crates.io crate trait-match-proc-macro 0.1.0
[INFO] tweaked toml for crates.io crate trait-match-proc-macro 0.1.0 written to /workspace/builds/worker-1/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d8314c4b57582dd53b61c3b6e817b89e58f7b1f53572763331d55a617239efef
[INFO] running `Command { std: "docker" "start" "-a" "d8314c4b57582dd53b61c3b6e817b89e58f7b1f53572763331d55a617239efef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8314c4b57582dd53b61c3b6e817b89e58f7b1f53572763331d55a617239efef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8314c4b57582dd53b61c3b6e817b89e58f7b1f53572763331d55a617239efef", kill_on_drop: false }`
[INFO] [stdout] d8314c4b57582dd53b61c3b6e817b89e58f7b1f53572763331d55a617239efef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] f03dcdd0ebcd8d0215b5f3e6c5627e8258f03b4876e5d7de52ba61b7ef61350c
[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" "f03dcdd0ebcd8d0215b5f3e6c5627e8258f03b4876e5d7de52ba61b7ef61350c", kill_on_drop: false }`
[INFO] [stderr]     Checking trait-match-proc-macro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     export::ToTokens,
[INFO] [stdout]   |     ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     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 reference `&proc_macro2::Ident` in the current scope
[INFO] [stdout]   --> src/lib.rs:18:42
[INFO] [stdout]    |
[INFO] [stdout] 18 |     format!("{}___sealed_trait_{}", name.to_token_stream(), descriptor)
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^ method not found in `&proc_macro2::Ident`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]    |
[INFO] [stdout] 2  | use quote::ToTokens;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_token_stream` found for reference `&proc_macro2::Ident` in the current scope
[INFO] [stdout]   --> src/lib.rs:18:42
[INFO] [stdout]    |
[INFO] [stdout] 18 |     format!("{}___sealed_trait_{}", name.to_token_stream(), descriptor)
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^ method not found in `&proc_macro2::Ident`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]    |
[INFO] [stdout] 2  | use quote::ToTokens;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `into_token_stream` found for struct `ItemTrait` in the current scope
[INFO] [stdout]    --> src/lib.rs:232:21
[INFO] [stdout]     |
[INFO] [stdout] 232 |     let out = input.into_token_stream();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^ method not found in `ItemTrait`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quote-1.0.9/src/to_tokens.rs:71:8
[INFO] [stdout]     |
[INFO] [stdout] 71  |     fn into_token_stream(self) -> TokenStream
[INFO] [stdout]     |        ----------------- the method is available for `ItemTrait` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 2   | use quote::ToTokens;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `into_token_stream` found for struct `ItemTrait` in the current scope
[INFO] [stdout]    --> src/lib.rs:232:21
[INFO] [stdout]     |
[INFO] [stdout] 232 |     let out = input.into_token_stream();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^ method not found in `ItemTrait`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quote-1.0.9/src/to_tokens.rs:71:8
[INFO] [stdout]     |
[INFO] [stdout] 71  |     fn into_token_stream(self) -> TokenStream
[INFO] [stdout]     |        ----------------- the method is available for `ItemTrait` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 2   | use quote::ToTokens;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 `trait-match-proc-macro`
[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] [stdout] error: aborting due to 3 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: build failed
[INFO] running `Command { std: "docker" "inspect" "f03dcdd0ebcd8d0215b5f3e6c5627e8258f03b4876e5d7de52ba61b7ef61350c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f03dcdd0ebcd8d0215b5f3e6c5627e8258f03b4876e5d7de52ba61b7ef61350c", kill_on_drop: false }`
[INFO] [stdout] f03dcdd0ebcd8d0215b5f3e6c5627e8258f03b4876e5d7de52ba61b7ef61350c