[INFO] fetching crate fabric-support-procedural-tools 2.0.1...
[INFO] testing fabric-support-procedural-tools-2.0.1 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate fabric-support-procedural-tools 2.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate fabric-support-procedural-tools 2.0.1
[INFO] finished tweaking crates.io crate fabric-support-procedural-tools 2.0.1
[INFO] tweaked toml for crates.io crate fabric-support-procedural-tools 2.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fabric-support-procedural-tools 2.0.1 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to highest compatible versions
[INFO] [stderr]       Adding proc-macro-crate v0.1.5 (available: v3.5.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v3.0.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[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-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6f611da571ebd60c0f6fed11bb5719afc020a88d23df693f138e5f0371123438
[INFO] running `Command { std: "docker" "start" "6f611da571ebd60c0f6fed11bb5719afc020a88d23df693f138e5f0371123438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f611da571ebd60c0f6fed11bb5719afc020a88d23df693f138e5f0371123438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6f611da571ebd60c0f6fed11bb5719afc020a88d23df693f138e5f0371123438" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f611da571ebd60c0f6fed11bb5719afc020a88d23df693f138e5f0371123438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6f611da571ebd60c0f6fed11bb5719afc020a88d23df693f138e5f0371123438" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling unicode-ident v1.0.27
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling fabric-support-procedural-tools-derive v2.0.1
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling fabric-support-procedural-tools v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0603]: module `group` is private
[INFO] [stdout]    --> 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]     | ------------------------------------------------
[INFO] [stdout]     | |                                  |
[INFO] [stdout]     | |                                  function `parse_braces` is not publicly re-exported
[INFO] [stdout]     | in this macro invocation
[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]     = note: this error originates in the macro `groups_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `group` is private
[INFO] [stdout]    --> 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]     | ------------------------------------------------
[INFO] [stdout]     | |            |
[INFO] [stdout]     | |            struct `Braces` is not publicly re-exported
[INFO] [stdout]     | in this macro invocation
[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]     = note: this error originates in the macro `groups_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `group` is private
[INFO] [stdout]    --> 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]     | --------------------------------------------------------
[INFO] [stdout]     | |                                        |
[INFO] [stdout]     | |                                        function `parse_brackets` is not publicly re-exported
[INFO] [stdout]     | in this macro invocation
[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]     = note: this error originates in the macro `groups_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `group` is private
[INFO] [stdout]    --> 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]     | --------------------------------------------------------
[INFO] [stdout]     | |            |
[INFO] [stdout]     | |            struct `Brackets` is not publicly re-exported
[INFO] [stdout]     | in this macro invocation
[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]     = note: this error originates in the macro `groups_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `group` is private
[INFO] [stdout]    --> 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]     | ------------------------------------------------------
[INFO] [stdout]     | |                                        |
[INFO] [stdout]     | |                                        function `parse_parens` is not publicly re-exported
[INFO] [stdout]     | in this macro invocation
[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]     = note: this error originates in the macro `groups_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `group` is private
[INFO] [stdout]    --> 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]     | ------------------------------------------------------
[INFO] [stdout]     | |            |
[INFO] [stdout]     | |            struct `Parens` is not publicly re-exported
[INFO] [stdout]     | in this macro invocation
[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]     = note: this error originates in the macro `groups_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6f611da571ebd60c0f6fed11bb5719afc020a88d23df693f138e5f0371123438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f611da571ebd60c0f6fed11bb5719afc020a88d23df693f138e5f0371123438", kill_on_drop: false }`
[INFO] [stdout] 6f611da571ebd60c0f6fed11bb5719afc020a88d23df693f138e5f0371123438
