[INFO] fetching crate dyn_struct 0.3.2...
[INFO] testing dyn_struct-0.3.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate dyn_struct 0.3.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate dyn_struct 0.3.2
[INFO] finished tweaking crates.io crate dyn_struct 0.3.2
[INFO] tweaked toml for crates.io crate dyn_struct 0.3.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dyn_struct 0.3.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dyn_struct_derive v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aff37f33c2efb873975c900d6460a10eae02a667e2f0181fa09a0ecb59819f72
[INFO] running `Command { std: "docker" "start" "-a" "aff37f33c2efb873975c900d6460a10eae02a667e2f0181fa09a0ecb59819f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aff37f33c2efb873975c900d6460a10eae02a667e2f0181fa09a0ecb59819f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aff37f33c2efb873975c900d6460a10eae02a667e2f0181fa09a0ecb59819f72", kill_on_drop: false }`
[INFO] [stdout] aff37f33c2efb873975c900d6460a10eae02a667e2f0181fa09a0ecb59819f72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8da69bc86f87c1122040fd39f4d6f66c3739e172259a35ef79443da617cfb62
[INFO] running `Command { std: "docker" "start" "-a" "d8da69bc86f87c1122040fd39f4d6f66c3739e172259a35ef79443da617cfb62", kill_on_drop: false }`
[INFO] [stderr]    Compiling dyn_struct_derive v0.3.0
[INFO] [stdout] error[E0603]: enum `TokenTree` is private
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/dyn_struct_derive-0.3.0/src/lib.rs:186:27
[INFO] [stdout]     |
[INFO] [stdout] 186 |         quote::__private::TokenTree::Group(group) => find_ident(group.stream()),
[INFO] [stdout]     |                           ^^^^^^^^^ private enum
[INFO] [stdout]     |
[INFO] [stdout] note: the enum `TokenTree` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/quote-1.0.41/src/runtime.rs:6:49
[INFO] [stdout]     |
[INFO] [stdout]   6 | use proc_macro2::{Group, Ident, Punct, Spacing, TokenTree};
[INFO] [stdout]     |                                                 ^^^^^^^^^
[INFO] [stdout] help: consider importing this tuple variant instead
[INFO] [stdout]     |
[INFO] [stdout] 186 -         quote::__private::TokenTree::Group(group) => find_ident(group.stream()),
[INFO] [stdout] 186 +         proc_macro2::TokenTree::Group(group) => find_ident(group.stream()),
[INFO] [stdout]     |
[INFO] [stdout] help: import `TokenTree` directly
[INFO] [stdout]     |
[INFO] [stdout] 186 -         quote::__private::TokenTree::Group(group) => find_ident(group.stream()),
[INFO] [stdout] 186 +         proc_macro2::TokenTree(group) => find_ident(group.stream()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: enum `TokenTree` is private
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/dyn_struct_derive-0.3.0/src/lib.rs:187:27
[INFO] [stdout]     |
[INFO] [stdout] 187 |         quote::__private::TokenTree::Ident(ident) => Some(ident.clone()),
[INFO] [stdout]     |                           ^^^^^^^^^ private enum
[INFO] [stdout]     |
[INFO] [stdout] note: the enum `TokenTree` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/quote-1.0.41/src/runtime.rs:6:49
[INFO] [stdout]     |
[INFO] [stdout]   6 | use proc_macro2::{Group, Ident, Punct, Spacing, TokenTree};
[INFO] [stdout]     |                                                 ^^^^^^^^^
[INFO] [stdout] help: consider importing this tuple variant instead
[INFO] [stdout]     |
[INFO] [stdout] 187 -         quote::__private::TokenTree::Ident(ident) => Some(ident.clone()),
[INFO] [stdout] 187 +         proc_macro2::TokenTree::Ident(ident) => Some(ident.clone()),
[INFO] [stdout]     |
[INFO] [stdout] help: import `TokenTree` directly
[INFO] [stdout]     |
[INFO] [stdout] 187 -         quote::__private::TokenTree::Ident(ident) => Some(ident.clone()),
[INFO] [stdout] 187 +         proc_macro2::TokenTree(ident) => Some(ident.clone()),
[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 `dyn_struct_derive` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "d8da69bc86f87c1122040fd39f4d6f66c3739e172259a35ef79443da617cfb62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8da69bc86f87c1122040fd39f4d6f66c3739e172259a35ef79443da617cfb62", kill_on_drop: false }`
[INFO] [stdout] d8da69bc86f87c1122040fd39f4d6f66c3739e172259a35ef79443da617cfb62