[INFO] fetching crate trait-based-collection-macros 0.1.0...
[INFO] testing trait-based-collection-macros-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate trait-based-collection-macros 0.1.0 into /workspace/builds/worker-7-tc2/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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate trait-based-collection-macros 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "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: v0.8.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42acfb58094e8d4980f94338df640d26f32ab91d5e29fe814d912e712d546a03
[INFO] running `Command { std: "docker" "start" "-a" "42acfb58094e8d4980f94338df640d26f32ab91d5e29fe814d912e712d546a03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42acfb58094e8d4980f94338df640d26f32ab91d5e29fe814d912e712d546a03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42acfb58094e8d4980f94338df640d26f32ab91d5e29fe814d912e712d546a03", kill_on_drop: false }`
[INFO] [stdout] 42acfb58094e8d4980f94338df640d26f32ab91d5e29fe814d912e712d546a03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85a52a2905eff8f5fbdfa09554057739b53dcccaf8d64069ee395d24ba9416f9
[INFO] running `Command { std: "docker" "start" "-a" "85a52a2905eff8f5fbdfa09554057739b53dcccaf8d64069ee395d24ba9416f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[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-1.0.40/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" "85a52a2905eff8f5fbdfa09554057739b53dcccaf8d64069ee395d24ba9416f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85a52a2905eff8f5fbdfa09554057739b53dcccaf8d64069ee395d24ba9416f9", kill_on_drop: false }`
[INFO] [stdout] 85a52a2905eff8f5fbdfa09554057739b53dcccaf8d64069ee395d24ba9416f9