[INFO] fetching crate nvim-oxi-macros 0.5.1...
[INFO] checking nvim-oxi-macros-0.5.1 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate nvim-oxi-macros 0.5.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate nvim-oxi-macros 0.5.1 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 nvim-oxi-macros 0.5.1
[INFO] finished tweaking crates.io crate nvim-oxi-macros 0.5.1
[INFO] tweaked toml for crates.io crate nvim-oxi-macros 0.5.1 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 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" "+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] 49417b573a2397c57f5dd4c5ae455da8b663d65a0cebcbfa40ae399f3e1dfc0e
[INFO] running `Command { std: "docker" "start" "-a" "49417b573a2397c57f5dd4c5ae455da8b663d65a0cebcbfa40ae399f3e1dfc0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49417b573a2397c57f5dd4c5ae455da8b663d65a0cebcbfa40ae399f3e1dfc0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49417b573a2397c57f5dd4c5ae455da8b663d65a0cebcbfa40ae399f3e1dfc0e", kill_on_drop: false }`
[INFO] [stdout] 49417b573a2397c57f5dd4c5ae455da8b663d65a0cebcbfa40ae399f3e1dfc0e
[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] 48d087ff3ee8d9dc94baf5d6cc119a6a60ecaaefa4d8d233bbc00387c76a560b
[INFO] running `Command { std: "docker" "start" "-a" "48d087ff3ee8d9dc94baf5d6cc119a6a60ecaaefa4d8d233bbc00387c76a560b", kill_on_drop: false }`
[INFO] [stderr]     Checking syn v2.0.76
[INFO] [stderr]     Checking nvim-oxi-macros v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/common.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub(crate) struct Keyed<T: KeyedAttribute> {
[INFO] [stdout]    |                   ----- field in this struct
[INFO] [stdout] 24 |     pub(crate) value: T::Value,
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/common.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub(crate) struct Keyed<T: KeyedAttribute> {
[INFO] [stdout]    |                   ----- field in this struct
[INFO] [stdout] 24 |     pub(crate) value: T::Value,
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 1.75s
[INFO] running `Command { std: "docker" "inspect" "48d087ff3ee8d9dc94baf5d6cc119a6a60ecaaefa4d8d233bbc00387c76a560b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48d087ff3ee8d9dc94baf5d6cc119a6a60ecaaefa4d8d233bbc00387c76a560b", kill_on_drop: false }`
[INFO] [stdout] 48d087ff3ee8d9dc94baf5d6cc119a6a60ecaaefa4d8d233bbc00387c76a560b