[INFO] fetching crate fabric-support-procedural 2.0.1...
[INFO] checking fabric-support-procedural-2.0.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate fabric-support-procedural 2.0.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate fabric-support-procedural 2.0.1
[INFO] finished tweaking crates.io crate fabric-support-procedural 2.0.1
[INFO] tweaked toml for crates.io crate fabric-support-procedural 2.0.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fabric-support-procedural 2.0.1 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.104)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fabric-support-procedural-tools v2.0.1
[INFO] [stderr]   Downloaded fabric-support-procedural-tools-derive v2.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 656251b12f9314b8eabc2ca9d0a799c9459ad3f07ae6f447748b6aa0fe5c4cfb
[INFO] running `Command { std: "docker" "start" "-a" "656251b12f9314b8eabc2ca9d0a799c9459ad3f07ae6f447748b6aa0fe5c4cfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "656251b12f9314b8eabc2ca9d0a799c9459ad3f07ae6f447748b6aa0fe5c4cfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "656251b12f9314b8eabc2ca9d0a799c9459ad3f07ae6f447748b6aa0fe5c4cfb", kill_on_drop: false }`
[INFO] [stdout] 656251b12f9314b8eabc2ca9d0a799c9459ad3f07ae6f447748b6aa0fe5c4cfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b891671150cb8dc4273ee2024ec47336d744a0060ff0b354cf05be756516ce12
[INFO] running `Command { std: "docker" "start" "-a" "b891671150cb8dc4273ee2024ec47336d744a0060ff0b354cf05be756516ce12", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking proc-macro-crate v0.1.5
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]    Compiling fabric-support-procedural-tools-derive v2.0.1
[INFO] [stderr]     Checking fabric-support-procedural-tools v2.0.1
[INFO] [stdout] error[E0603]: module `group` is private
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fabric-support-procedural-tools-2.0.1/src/syn_ext.rs:47:53
[INFO] [stdout]     |
[INFO] [stdout] 47  |                 let syn::group::$name { token, content } = syn::group::$parse(input)?;
[INFO] [stdout]     |                                                                 ^^^^^ private module
[INFO] [stdout] ...
[INFO] [stdout] 71  | groups_impl!(Braces, Brace, Brace, parse_braces);
[INFO] [stdout]     |                                    ------------ function `parse_braces` is not publicly re-exported
[INFO] [stdout]     |
[INFO] [stdout] note: the module `group` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/lib.rs:308:1
[INFO] [stdout]     |
[INFO] [stdout] 308 | mod group;
[INFO] [stdout]     | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `group` is private
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fabric-support-procedural-tools-2.0.1/src/syn_ext.rs:47:14
[INFO] [stdout]     |
[INFO] [stdout] 47  |                 let syn::group::$name { token, content } = syn::group::$parse(input)?;
[INFO] [stdout]     |                          ^^^^^ private module
[INFO] [stdout] ...
[INFO] [stdout] 71  | groups_impl!(Braces, Brace, Brace, parse_braces);
[INFO] [stdout]     |              ------ struct `Braces` is not publicly re-exported
[INFO] [stdout]     |
[INFO] [stdout] note: the module `group` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/lib.rs:308:1
[INFO] [stdout]     |
[INFO] [stdout] 308 | mod group;
[INFO] [stdout]     | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `group` is private
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fabric-support-procedural-tools-2.0.1/src/syn_ext.rs:47:53
[INFO] [stdout]     |
[INFO] [stdout] 47  |                 let syn::group::$name { token, content } = syn::group::$parse(input)?;
[INFO] [stdout]     |                                                                 ^^^^^ private module
[INFO] [stdout] ...
[INFO] [stdout] 72  | groups_impl!(Brackets, Bracket, Bracket, parse_brackets);
[INFO] [stdout]     |                                          -------------- function `parse_brackets` is not publicly re-exported
[INFO] [stdout]     |
[INFO] [stdout] note: the module `group` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/lib.rs:308:1
[INFO] [stdout]     |
[INFO] [stdout] 308 | mod group;
[INFO] [stdout]     | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `group` is private
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fabric-support-procedural-tools-2.0.1/src/syn_ext.rs:47:14
[INFO] [stdout]     |
[INFO] [stdout] 47  |                 let syn::group::$name { token, content } = syn::group::$parse(input)?;
[INFO] [stdout]     |                          ^^^^^ private module
[INFO] [stdout] ...
[INFO] [stdout] 72  | groups_impl!(Brackets, Bracket, Bracket, parse_brackets);
[INFO] [stdout]     |              -------- struct `Brackets` is not publicly re-exported
[INFO] [stdout]     |
[INFO] [stdout] note: the module `group` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/lib.rs:308:1
[INFO] [stdout]     |
[INFO] [stdout] 308 | mod group;
[INFO] [stdout]     | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `group` is private
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fabric-support-procedural-tools-2.0.1/src/syn_ext.rs:47:53
[INFO] [stdout]     |
[INFO] [stdout] 47  |                 let syn::group::$name { token, content } = syn::group::$parse(input)?;
[INFO] [stdout]     |                                                                 ^^^^^ private module
[INFO] [stdout] ...
[INFO] [stdout] 73  | groups_impl!(Parens, Paren, Parenthesis, parse_parens);
[INFO] [stdout]     |                                          ------------ function `parse_parens` is not publicly re-exported
[INFO] [stdout]     |
[INFO] [stdout] note: the module `group` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/lib.rs:308:1
[INFO] [stdout]     |
[INFO] [stdout] 308 | mod group;
[INFO] [stdout]     | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `group` is private
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fabric-support-procedural-tools-2.0.1/src/syn_ext.rs:47:14
[INFO] [stdout]     |
[INFO] [stdout] 47  |                 let syn::group::$name { token, content } = syn::group::$parse(input)?;
[INFO] [stdout]     |                          ^^^^^ private module
[INFO] [stdout] ...
[INFO] [stdout] 73  | groups_impl!(Parens, Paren, Parenthesis, parse_parens);
[INFO] [stdout]     |              ------ struct `Parens` is not publicly re-exported
[INFO] [stdout]     |
[INFO] [stdout] note: the module `group` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/lib.rs:308:1
[INFO] [stdout]     |
[INFO] [stdout] 308 | mod group;
[INFO] [stdout]     | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0603`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fabric-support-procedural-tools` (lib) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "b891671150cb8dc4273ee2024ec47336d744a0060ff0b354cf05be756516ce12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b891671150cb8dc4273ee2024ec47336d744a0060ff0b354cf05be756516ce12", kill_on_drop: false }`
[INFO] [stdout] b891671150cb8dc4273ee2024ec47336d744a0060ff0b354cf05be756516ce12