[INFO] fetching crate minutus-macros 0.5.0...
[INFO] testing minutus-macros-0.5.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate minutus-macros 0.5.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate minutus-macros 0.5.0
[INFO] finished tweaking crates.io crate minutus-macros 0.5.0
[INFO] tweaked toml for crates.io crate minutus-macros 0.5.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate minutus-macros 0.5.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] [stderr]       Adding convert_case v0.6.0 (available: v0.11.0)
[INFO] [stderr]       Adding darling v0.20.11 (available: v0.23.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.117)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strsim v0.11.1
[INFO] [stderr]   Downloaded ident_case v1.0.1
[INFO] [stderr]   Downloaded darling v0.20.11
[INFO] [stderr]   Downloaded convert_case v0.6.0
[INFO] [stderr]   Downloaded unicode-segmentation v1.13.2
[INFO] [stderr]   Downloaded darling_macro v0.20.11
[INFO] [stderr]   Downloaded darling_core v0.20.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba09438d4192146a7f7c78f00476aa9263ba867915cccd07dcf05336668ace81
[INFO] running `Command { std: "docker" "start" "-a" "ba09438d4192146a7f7c78f00476aa9263ba867915cccd07dcf05336668ace81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba09438d4192146a7f7c78f00476aa9263ba867915cccd07dcf05336668ace81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba09438d4192146a7f7c78f00476aa9263ba867915cccd07dcf05336668ace81", kill_on_drop: false }`
[INFO] [stdout] ba09438d4192146a7f7c78f00476aa9263ba867915cccd07dcf05336668ace81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 084bd3589ce2b09664d203892e9ca64a329420c422321410704323be9c1319f8
[INFO] running `Command { std: "docker" "start" "-a" "084bd3589ce2b09664d203892e9ca64a329420c422321410704323be9c1319f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling minutus-macros v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/class_deriviation_generator.rs:76:19
[INFO] [stdout]    |
[INFO] [stdout] 76 |     class_method: Vec<String>,
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   expected fn pointer, found fn item
[INFO] [stdout]    |                   arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `for<'a> fn(&'a syn::Meta) -> Result<_, _>`
[INFO] [stdout]                  found fn item `for<'a> fn(&'a darling::export::syn::attr::Meta) -> Result<_, _> {<_ as FromMeta>::from_meta}`
[INFO] [stdout] help: the return type of this call is `for<'a> fn(&'a darling::export::syn::attr::Meta) -> Result<_, darling::Error> {<_ as FromMeta>::from_meta}` due to the type of the argument passed
[INFO] [stdout]   --> src/class_deriviation_generator.rs:76:19
[INFO] [stdout]    |
[INFO] [stdout] 76 |     class_method: Vec<String>,
[INFO] [stdout]    |                   ^^^^^^^^^^^ this argument influences the return type of `identity`
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/convert/mod.rs:105:13
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/class_deriviation_generator.rs:76:19
[INFO] [stdout]     |
[INFO] [stdout]  76 |     class_method: Vec<String>,
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   expected `syn::Meta`, found `darling::export::syn::attr::Meta`
[INFO] [stdout]     |                   arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout] note: there are multiple different versions of crate `syn` in the dependency graph
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/macros.rs:170:26
[INFO] [stdout]     |
[INFO] [stdout] 170 |           $mac!([$(#[$m])* $pub] $($t)*);
[INFO] [stdout]     |                            ^^^^ this is the expected type
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.117/src/macros.rs:49:27
[INFO] [stdout]     |
[INFO] [stdout]  49 |           $(#[$enum_attr])* $pub $enum $name $body
[INFO] [stdout]     |                             ---------------------- this is the found type
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/attr.rs:336:1
[INFO] [stdout]     |
[INFO] [stdout] 336 | / ast_enum_of_structs! {
[INFO] [stdout] 337 | |     /// Content of a compile-time structured attribute.
[INFO] [stdout] 338 | |     ///
[INFO] [stdout] 339 | |     /// *This type is available only if Syn is built with the `"derive"` or `"full"`
[INFO] [stdout] ...   |
[INFO] [stdout] 370 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     = help: you can use `cargo tree` to explore your dependency tree
[INFO] [stdout]     = note: this error originates in the macro `strip_attrs_pub` which comes from the expansion of the macro `ast_enum_of_structs` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/class_deriviation_generator.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |     method: Vec<String>,
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             expected fn pointer, found fn item
[INFO] [stdout]    |             arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `for<'a> fn(&'a syn::Meta) -> Result<_, _>`
[INFO] [stdout]                  found fn item `for<'a> fn(&'a darling::export::syn::attr::Meta) -> Result<_, _> {<_ as FromMeta>::from_meta}`
[INFO] [stdout] help: the return type of this call is `for<'a> fn(&'a darling::export::syn::attr::Meta) -> Result<_, darling::Error> {<_ as FromMeta>::from_meta}` due to the type of the argument passed
[INFO] [stdout]   --> src/class_deriviation_generator.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |     method: Vec<String>,
[INFO] [stdout]    |             ^^^^^^^^^^^ this argument influences the return type of `identity`
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/convert/mod.rs:105:13
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/class_deriviation_generator.rs:78:13
[INFO] [stdout]     |
[INFO] [stdout]  78 |     method: Vec<String>,
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             expected `syn::Meta`, found `darling::export::syn::attr::Meta`
[INFO] [stdout]     |             arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout] note: there are multiple different versions of crate `syn` in the dependency graph
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/macros.rs:170:26
[INFO] [stdout]     |
[INFO] [stdout] 170 |           $mac!([$(#[$m])* $pub] $($t)*);
[INFO] [stdout]     |                            ^^^^ this is the expected type
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.117/src/macros.rs:49:27
[INFO] [stdout]     |
[INFO] [stdout]  49 |           $(#[$enum_attr])* $pub $enum $name $body
[INFO] [stdout]     |                             ---------------------- this is the found type
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/attr.rs:336:1
[INFO] [stdout]     |
[INFO] [stdout] 336 | / ast_enum_of_structs! {
[INFO] [stdout] 337 | |     /// Content of a compile-time structured attribute.
[INFO] [stdout] 338 | |     ///
[INFO] [stdout] 339 | |     /// *This type is available only if Syn is built with the `"derive"` or `"full"`
[INFO] [stdout] ...   |
[INFO] [stdout] 370 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     = help: you can use `cargo tree` to explore your dependency tree
[INFO] [stdout]     = note: this error originates in the macro `strip_attrs_pub` which comes from the expansion of the macro `ast_enum_of_structs` (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 E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `minutus-macros` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "084bd3589ce2b09664d203892e9ca64a329420c422321410704323be9c1319f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "084bd3589ce2b09664d203892e9ca64a329420c422321410704323be9c1319f8", kill_on_drop: false }`
[INFO] [stdout] 084bd3589ce2b09664d203892e9ca64a329420c422321410704323be9c1319f8