[INFO] fetching crate structmeta-derive 0.1.3...
[INFO] checking structmeta-derive-0.1.3 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate structmeta-derive 0.1.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate structmeta-derive 0.1.3 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate structmeta-derive 0.1.3
[INFO] finished tweaking crates.io crate structmeta-derive 0.1.3
[INFO] tweaked toml for crates.io crate structmeta-derive 0.1.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee7363bf173ac5511ab3a4a3328904f6baed9054e7e59c64edafeb1d5aa17202
[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" "ee7363bf173ac5511ab3a4a3328904f6baed9054e7e59c64edafeb1d5aa17202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee7363bf173ac5511ab3a4a3328904f6baed9054e7e59c64edafeb1d5aa17202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee7363bf173ac5511ab3a4a3328904f6baed9054e7e59c64edafeb1d5aa17202", kill_on_drop: false }`
[INFO] [stdout] ee7363bf173ac5511ab3a4a3328904f6baed9054e7e59c64edafeb1d5aa17202
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35251bdb4b94bd16976c8f1e4413365f3be19bd5652383d0834bbfbbc5d8d16e
[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" "35251bdb4b94bd16976c8f1e4413365f3be19bd5652383d0834bbfbbc5d8d16e", kill_on_drop: false }`
[INFO] [stderr]     Checking syn v1.0.73
[INFO] [stderr]     Checking structmeta-derive v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `Option<&syn::Type>`
[INFO] [stdout]    --> src/struct_meta.rs:829:9
[INFO] [stdout]     |
[INFO] [stdout] 829 | /         assert_eq!(
[INFO] [stdout] 830 | |             get_option_element(&parse_quote!(Option<u8>)),
[INFO] [stdout] 831 | |             Some(&parse_quote!(u8))
[INFO] [stdout] 832 | |         );
[INFO] [stdout]     | |          ^
[INFO] [stdout]     | |          |
[INFO] [stdout]     | |__________Option<&syn::Type>
[INFO] [stdout]     |            Option<&_>
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `syn::Type` doesn't implement `Debug`
[INFO] [stdout]    --> src/struct_meta.rs:829:9
[INFO] [stdout]     |
[INFO] [stdout] 829 | /         assert_eq!(
[INFO] [stdout] 830 | |             get_option_element(&parse_quote!(Option<u8>)),
[INFO] [stdout] 831 | |             Some(&parse_quote!(u8))
[INFO] [stdout] 832 | |         );
[INFO] [stdout]     | |__________^ `syn::Type` cannot be formatted using `{:?}` because it doesn't implement `Debug`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Debug` is not implemented for `syn::Type`
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `Option<&syn::Type>`
[INFO] [stdout]    --> src/struct_meta.rs:836:9
[INFO] [stdout]     |
[INFO] [stdout] 836 | /         assert_eq!(
[INFO] [stdout] 837 | |             get_option_element(&parse_quote!(option::Option<u8>)),
[INFO] [stdout] 838 | |             Some(&parse_quote!(u8))
[INFO] [stdout] 839 | |         );
[INFO] [stdout]     | |          ^
[INFO] [stdout]     | |          |
[INFO] [stdout]     | |__________Option<&syn::Type>
[INFO] [stdout]     |            Option<&_>
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `syn::Type` doesn't implement `Debug`
[INFO] [stdout]    --> src/struct_meta.rs:836:9
[INFO] [stdout]     |
[INFO] [stdout] 836 | /         assert_eq!(
[INFO] [stdout] 837 | |             get_option_element(&parse_quote!(option::Option<u8>)),
[INFO] [stdout] 838 | |             Some(&parse_quote!(u8))
[INFO] [stdout] 839 | |         );
[INFO] [stdout]     | |__________^ `syn::Type` cannot be formatted using `{:?}` because it doesn't implement `Debug`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Debug` is not implemented for `syn::Type`
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `Option<&syn::Type>`
[INFO] [stdout]    --> src/struct_meta.rs:843:9
[INFO] [stdout]     |
[INFO] [stdout] 843 | /         assert_eq!(
[INFO] [stdout] 844 | |             get_option_element(&parse_quote!(core::option::Option<u8>)),
[INFO] [stdout] 845 | |             Some(&parse_quote!(u8))
[INFO] [stdout] 846 | |         );
[INFO] [stdout]     | |          ^
[INFO] [stdout]     | |          |
[INFO] [stdout]     | |__________Option<&syn::Type>
[INFO] [stdout]     |            Option<&_>
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `syn::Type` doesn't implement `Debug`
[INFO] [stdout]    --> src/struct_meta.rs:843:9
[INFO] [stdout]     |
[INFO] [stdout] 843 | /         assert_eq!(
[INFO] [stdout] 844 | |             get_option_element(&parse_quote!(core::option::Option<u8>)),
[INFO] [stdout] 845 | |             Some(&parse_quote!(u8))
[INFO] [stdout] 846 | |         );
[INFO] [stdout]     | |__________^ `syn::Type` cannot be formatted using `{:?}` because it doesn't implement `Debug`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Debug` is not implemented for `syn::Type`
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `Option<&syn::Type>`
[INFO] [stdout]    --> src/struct_meta.rs:850:9
[INFO] [stdout]     |
[INFO] [stdout] 850 | /         assert_eq!(
[INFO] [stdout] 851 | |             get_option_element(&parse_quote!(std::option::Option<u8>)),
[INFO] [stdout] 852 | |             Some(&parse_quote!(u8))
[INFO] [stdout] 853 | |         );
[INFO] [stdout]     | |          ^
[INFO] [stdout]     | |          |
[INFO] [stdout]     | |__________Option<&syn::Type>
[INFO] [stdout]     |            Option<&_>
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `syn::Type` doesn't implement `Debug`
[INFO] [stdout]    --> src/struct_meta.rs:850:9
[INFO] [stdout]     |
[INFO] [stdout] 850 | /         assert_eq!(
[INFO] [stdout] 851 | |             get_option_element(&parse_quote!(std::option::Option<u8>)),
[INFO] [stdout] 852 | |             Some(&parse_quote!(u8))
[INFO] [stdout] 853 | |         );
[INFO] [stdout]     | |__________^ `syn::Type` cannot be formatted using `{:?}` because it doesn't implement `Debug`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Debug` is not implemented for `syn::Type`
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0369.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `structmeta-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" "35251bdb4b94bd16976c8f1e4413365f3be19bd5652383d0834bbfbbc5d8d16e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35251bdb4b94bd16976c8f1e4413365f3be19bd5652383d0834bbfbbc5d8d16e", kill_on_drop: false }`
[INFO] [stdout] 35251bdb4b94bd16976c8f1e4413365f3be19bd5652383d0834bbfbbc5d8d16e