[INFO] fetching crate trait-based-collection-macros 0.1.0...
[INFO] checking trait-based-collection-macros-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[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 cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: v2.0.104)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4a60010183cbbfb1d4211b42297b2645890f25f63e510a750355bd8db690449
[INFO] running `Command { std: "docker" "start" "-a" "a4a60010183cbbfb1d4211b42297b2645890f25f63e510a750355bd8db690449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4a60010183cbbfb1d4211b42297b2645890f25f63e510a750355bd8db690449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4a60010183cbbfb1d4211b42297b2645890f25f63e510a750355bd8db690449", kill_on_drop: false }`
[INFO] [stdout] a4a60010183cbbfb1d4211b42297b2645890f25f63e510a750355bd8db690449
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f44e9ab2f70dc7d1ae5c2ae2298d646d64d7eece7502937d5dcb536dd67bc426
[INFO] running `Command { std: "docker" "start" "-a" "f44e9ab2f70dc7d1ae5c2ae2298d646d64d7eece7502937d5dcb536dd67bc426", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking convert_case v0.5.0
[INFO] [stderr]     Checking proc-macro2 v1.0.95
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking 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)]` 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] 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)]` 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] [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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `trait-based-collection-macros` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "f44e9ab2f70dc7d1ae5c2ae2298d646d64d7eece7502937d5dcb536dd67bc426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f44e9ab2f70dc7d1ae5c2ae2298d646d64d7eece7502937d5dcb536dd67bc426", kill_on_drop: false }`
[INFO] [stdout] f44e9ab2f70dc7d1ae5c2ae2298d646d64d7eece7502937d5dcb536dd67bc426