[INFO] fetching crate holder_derive 0.14.0...
[INFO] checking holder_derive-0.14.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate holder_derive 0.14.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate holder_derive 0.14.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate holder_derive 0.14.0
[INFO] finished tweaking crates.io crate holder_derive 0.14.0
[INFO] tweaked toml for crates.io crate holder_derive 0.14.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 568d8d21eb8bd264fbfb9a4e7f04fe12d7ebf3a9a91b5f91f9e0e63cde2a7229
[INFO] running `Command { std: "docker" "start" "-a" "568d8d21eb8bd264fbfb9a4e7f04fe12d7ebf3a9a91b5f91f9e0e63cde2a7229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "568d8d21eb8bd264fbfb9a4e7f04fe12d7ebf3a9a91b5f91f9e0e63cde2a7229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "568d8d21eb8bd264fbfb9a4e7f04fe12d7ebf3a9a91b5f91f9e0e63cde2a7229", kill_on_drop: false }`
[INFO] [stdout] 568d8d21eb8bd264fbfb9a4e7f04fe12d7ebf3a9a91b5f91f9e0e63cde2a7229
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8fa27d87d6aa7eaab77f081cc2bccb3ba3194652c250b0e3ef377d32d605a78
[INFO] running `Command { std: "docker" "start" "-a" "a8fa27d87d6aa7eaab77f081cc2bccb3ba3194652c250b0e3ef377d32d605a78", kill_on_drop: false }`
[INFO] [stderr]     Checking proc-macro2 v1.0.86
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking convert_case v0.6.0
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v2.0.76
[INFO] [stderr]     Checking holder_derive v0.14.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `parse_quote`
[INFO] [stdout]  --> src/lib.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 |     parse_macro_input, parse_quote, parse_str, punctuated::Punctuated, token::Comma, Attribute,
[INFO] [stdout]   |                        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parse_quote`
[INFO] [stdout]  --> src/lib.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 |     parse_macro_input, parse_quote, parse_str, punctuated::Punctuated, token::Comma, Attribute,
[INFO] [stdout]   |                        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `Command { std: "docker" "inspect" "a8fa27d87d6aa7eaab77f081cc2bccb3ba3194652c250b0e3ef377d32d605a78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8fa27d87d6aa7eaab77f081cc2bccb3ba3194652c250b0e3ef377d32d605a78", kill_on_drop: false }`
[INFO] [stdout] a8fa27d87d6aa7eaab77f081cc2bccb3ba3194652c250b0e3ef377d32d605a78