[INFO] fetching crate trait-based-collection-macros 0.1.0...
[INFO] testing trait-based-collection-macros-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate trait-based-collection-macros 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate trait-based-collection-macros 0.1.0
[INFO] finished tweaking crates.io crate trait-based-collection-macros 0.1.0
[INFO] tweaked toml for crates.io crate trait-based-collection-macros 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate trait-based-collection-macros 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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] [stderr]       Adding convert_case v0.5.0 (available: v0.9.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.110)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fb68faf3f951bf5dcfb8f2d3ddda27892034aef4eb880b8e1398b462541fc94
[INFO] running `Command { std: "docker" "start" "-a" "2fb68faf3f951bf5dcfb8f2d3ddda27892034aef4eb880b8e1398b462541fc94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fb68faf3f951bf5dcfb8f2d3ddda27892034aef4eb880b8e1398b462541fc94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fb68faf3f951bf5dcfb8f2d3ddda27892034aef4eb880b8e1398b462541fc94", kill_on_drop: false }`
[INFO] [stdout] 2fb68faf3f951bf5dcfb8f2d3ddda27892034aef4eb880b8e1398b462541fc94
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b80f686f1a06e8808aa95f89a61e9d02af8543f86ff1fcfd8c196e2a477a9873
[INFO] running `Command { std: "docker" "start" "-a" "b80f686f1a06e8808aa95f89a61e9d02af8543f86ff1fcfd8c196e2a477a9873", kill_on_drop: false }`
[INFO] [stderr]    Compiling convert_case v0.5.0
[INFO] [stderr]    Compiling trait-based-collection-macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0603]: enum `TokenTree` is private
[INFO] [stdout]   --> src/lib.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 | use quote::__private::TokenTree;
[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-1.0.42/src/runtime.rs:6:49
[INFO] [stdout]    |
[INFO] [stdout]  6 | use proc_macro2::{Group, Ident, Punct, Spacing, TokenTree};
[INFO] [stdout]    |                                                 ^^^^^^^^^
[INFO] [stdout] help: import `TokenTree` directly
[INFO] [stdout]    |
[INFO] [stdout] 27 - use quote::__private::TokenTree;
[INFO] [stdout] 27 + use proc_macro2::TokenTree;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/lib.rs:685:50
[INFO] [stdout]     |
[INFO] [stdout] 685 |         syn::TypeParamBound::Trait(ref bound) => (bound.path.segments[0].arguments.clone()),
[INFO] [stdout]     |                                                  ^                                        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 685 -         syn::TypeParamBound::Trait(ref bound) => (bound.path.segments[0].arguments.clone()),
[INFO] [stdout] 685 +         syn::TypeParamBound::Trait(ref bound) => bound.path.segments[0].arguments.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 `trait-based-collection-macros` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "b80f686f1a06e8808aa95f89a61e9d02af8543f86ff1fcfd8c196e2a477a9873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b80f686f1a06e8808aa95f89a61e9d02af8543f86ff1fcfd8c196e2a477a9873", kill_on_drop: false }`
[INFO] [stdout] b80f686f1a06e8808aa95f89a61e9d02af8543f86ff1fcfd8c196e2a477a9873