[INFO] fetching crate structdiff-derive 0.7.1...
[INFO] checking structdiff-derive-0.7.1 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate structdiff-derive 0.7.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate structdiff-derive 0.7.1 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate structdiff-derive 0.7.1
[INFO] finished tweaking crates.io crate structdiff-derive 0.7.1
[INFO] tweaked toml for crates.io crate structdiff-derive 0.7.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff43859299f394bdf5b6ae6fb8fef87e899fffb81fe85d8f592a707eb0a25dd3
[INFO] running `Command { std: "docker" "start" "-a" "ff43859299f394bdf5b6ae6fb8fef87e899fffb81fe85d8f592a707eb0a25dd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff43859299f394bdf5b6ae6fb8fef87e899fffb81fe85d8f592a707eb0a25dd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff43859299f394bdf5b6ae6fb8fef87e899fffb81fe85d8f592a707eb0a25dd3", kill_on_drop: false }`
[INFO] [stdout] ff43859299f394bdf5b6ae6fb8fef87e899fffb81fe85d8f592a707eb0a25dd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b702d6d9d97949f7aeaa1e473a8d98e4892a07f2ada3a041a0f515d32a952191
[INFO] running `Command { std: "docker" "start" "-a" "b702d6d9d97949f7aeaa1e473a8d98e4892a07f2ada3a041a0f515d32a952191", kill_on_drop: false }`
[INFO] [stderr]     Checking structdiff-derive v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `unused`
[INFO] [stdout]     --> src/difference.rs:1247:11
[INFO] [stdout]      |
[INFO] [stdout] 1247 |     #[cfg(unused)]
[INFO] [stdout]      |           ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows`
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(unused)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(unused)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]      = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `unused`
[INFO] [stdout]     --> src/difference.rs:1247:11
[INFO] [stdout]      |
[INFO] [stdout] 1247 |     #[cfg(unused)]
[INFO] [stdout]      |           ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows`
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(unused)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(unused)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]      = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `unused`
[INFO] [stdout]     --> src/difference.rs:1385:11
[INFO] [stdout]      |
[INFO] [stdout] 1385 |     #[cfg(unused)]
[INFO] [stdout]      |           ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(unused)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(unused)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `unused`
[INFO] [stdout]     --> src/difference.rs:1385:11
[INFO] [stdout]      |
[INFO] [stdout] 1385 |     #[cfg(unused)]
[INFO] [stdout]      |           ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(unused)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(unused)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `unused`
[INFO] [stdout]    --> src/parse.rs:248:11
[INFO] [stdout]     |
[INFO] [stdout] 248 |     #[cfg(unused)]
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(unused)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(unused)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `unused`
[INFO] [stdout]    --> src/parse.rs:306:11
[INFO] [stdout]     |
[INFO] [stdout] 306 |     #[cfg(unused)]
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(unused)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(unused)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `unused`
[INFO] [stdout]    --> src/parse.rs:248:11
[INFO] [stdout]     |
[INFO] [stdout] 248 |     #[cfg(unused)]
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(unused)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(unused)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `unused`
[INFO] [stdout]    --> src/parse.rs:306:11
[INFO] [stdout]     |
[INFO] [stdout] 306 |     #[cfg(unused)]
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(unused)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(unused)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "b702d6d9d97949f7aeaa1e473a8d98e4892a07f2ada3a041a0f515d32a952191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b702d6d9d97949f7aeaa1e473a8d98e4892a07f2ada3a041a0f515d32a952191", kill_on_drop: false }`
[INFO] [stdout] b702d6d9d97949f7aeaa1e473a8d98e4892a07f2ada3a041a0f515d32a952191
[INFO] checking structdiff-derive-0.7.1 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate structdiff-derive 0.7.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate structdiff-derive 0.7.1 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate structdiff-derive 0.7.1
[INFO] finished tweaking crates.io crate structdiff-derive 0.7.1
[INFO] tweaked toml for crates.io crate structdiff-derive 0.7.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08da7aa5eed607ce89947d7b67fe44aa22124b7c5aa8e4fbd5276cd7507d51a8
[INFO] running `Command { std: "docker" "start" "-a" "08da7aa5eed607ce89947d7b67fe44aa22124b7c5aa8e4fbd5276cd7507d51a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08da7aa5eed607ce89947d7b67fe44aa22124b7c5aa8e4fbd5276cd7507d51a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08da7aa5eed607ce89947d7b67fe44aa22124b7c5aa8e4fbd5276cd7507d51a8", kill_on_drop: false }`
[INFO] [stdout] 08da7aa5eed607ce89947d7b67fe44aa22124b7c5aa8e4fbd5276cd7507d51a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1442edc68319e28ef98eab3775632f6a274711965887592a2f2b2aff835db77b
[INFO] running `Command { std: "docker" "start" "-a" "1442edc68319e28ef98eab3775632f6a274711965887592a2f2b2aff835db77b", kill_on_drop: false }`
[INFO] [stderr]     Checking structdiff-derive v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `unused`
[INFO] [stdout]     --> src/difference.rs:1247:11
[INFO] [stdout]      |
[INFO] [stdout] 1247 |     #[cfg(unused)]
[INFO] [stdout]      |           ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows`
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(unused)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(unused)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]      = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `unused`
[INFO] [stdout]     --> src/difference.rs:1385:11
[INFO] [stdout]      |
[INFO] [stdout] 1385 |     #[cfg(unused)]
[INFO] [stdout]      |           ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(unused)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(unused)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `unused`
[INFO] [stdout]    --> src/parse.rs:248:11
[INFO] [stdout]     |
[INFO] [stdout] 248 |     #[cfg(unused)]
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(unused)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(unused)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `unused`
[INFO] [stdout]    --> src/parse.rs:306:11
[INFO] [stdout]     |
[INFO] [stdout] 306 |     #[cfg(unused)]
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(unused)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(unused)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `unused`
[INFO] [stdout]     --> src/difference.rs:1247:11
[INFO] [stdout]      |
[INFO] [stdout] 1247 |     #[cfg(unused)]
[INFO] [stdout]      |           ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows`
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(unused)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(unused)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]      = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `unused`
[INFO] [stdout]     --> src/difference.rs:1385:11
[INFO] [stdout]      |
[INFO] [stdout] 1385 |     #[cfg(unused)]
[INFO] [stdout]      |           ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(unused)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(unused)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `unused`
[INFO] [stdout]    --> src/parse.rs:248:11
[INFO] [stdout]     |
[INFO] [stdout] 248 |     #[cfg(unused)]
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(unused)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(unused)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `unused`
[INFO] [stdout]    --> src/parse.rs:306:11
[INFO] [stdout]     |
[INFO] [stdout] 306 |     #[cfg(unused)]
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(unused)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(unused)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "1442edc68319e28ef98eab3775632f6a274711965887592a2f2b2aff835db77b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1442edc68319e28ef98eab3775632f6a274711965887592a2f2b2aff835db77b", kill_on_drop: false }`
[INFO] [stdout] 1442edc68319e28ef98eab3775632f6a274711965887592a2f2b2aff835db77b