[INFO] fetching crate lending-iterator 0.1.7...
[INFO] testing lending-iterator-0.1.7 against master#9e136a30a965bf4e63f03095c57df7257bf96fd6 for pr-134530
[INFO] extracting crate lending-iterator 0.1.7 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate lending-iterator 0.1.7 on toolchain 9e136a30a965bf4e63f03095c57df7257bf96fd6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate lending-iterator 0.1.7
[INFO] finished tweaking crates.io crate lending-iterator 0.1.7
[INFO] tweaked toml for crates.io crate lending-iterator 0.1.7 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate lending-iterator 0.1.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nougat-proc_macros v0.2.4
[INFO] [stderr]   Downloaded lending-iterator-proc_macros v0.1.7
[INFO] [stderr]   Downloaded polonius-the-crab v0.2.1
[INFO] [stderr]   Downloaded macro-vis v0.1.1
[INFO] [stderr]   Downloaded never-say-never v6.6.666
[INFO] [stderr]   Downloaded macro_rules_attribute-proc_macro v0.1.2
[INFO] [stderr]   Downloaded macro_rules_attribute v0.1.2
[INFO] [stderr]   Downloaded nougat v0.2.4
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e314c4a139cb3c67d0d1e1ce6412bb58f057d33810591ca6a76821f66bb4c4d1
[INFO] running `Command { std: "docker" "start" "-a" "e314c4a139cb3c67d0d1e1ce6412bb58f057d33810591ca6a76821f66bb4c4d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e314c4a139cb3c67d0d1e1ce6412bb58f057d33810591ca6a76821f66bb4c4d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e314c4a139cb3c67d0d1e1ce6412bb58f057d33810591ca6a76821f66bb4c4d1", kill_on_drop: false }`
[INFO] [stdout] e314c4a139cb3c67d0d1e1ce6412bb58f057d33810591ca6a76821f66bb4c4d1
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df99c6964c576e600b3ab6f364d273a8d2cfddc6e51c179cad3cd8cb08f87285
[INFO] running `Command { std: "docker" "start" "-a" "df99c6964c576e600b3ab6f364d273a8d2cfddc6e51c179cad3cd8cb08f87285", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling macro_rules_attribute-proc_macro v0.1.2
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]    Compiling never-say-never v6.6.666
[INFO] [stderr]    Compiling polonius-the-crab v0.2.1
[INFO] [stderr]    Compiling macro_rules_attribute v0.1.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling ext-trait-proc_macros v1.0.1
[INFO] [stderr]    Compiling nougat-proc_macros v0.2.4
[INFO] [stderr]    Compiling lending-iterator-proc_macros v0.1.7
[INFO] [stderr]    Compiling ext-trait v1.0.1
[INFO] [stderr]    Compiling extension-traits v1.0.1
[INFO] [stderr]    Compiling nougat v0.2.4
[INFO] [stderr]    Compiling lending-iterator v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `TODO`
[INFO] [stdout]    --> src/lending_iterator/_mod.rs:430:11
[INFO] [stdout]     |
[INFO] [stdout] 430 |     #[cfg(TODO)]
[INFO] [stdout]     |           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `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(TODO)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(TODO)");` 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]     = note: this warning originates in the macro `__emit__` which comes from the expansion of the macro `with_cfg_better_docs` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `TODO`
[INFO] [stdout]    --> src/lending_iterator/_mod.rs:457:11
[INFO] [stdout]     |
[INFO] [stdout] 457 |     #[cfg(TODO)]
[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(TODO)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(TODO)");` 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: this warning originates in the macro `__emit__` which comes from the expansion of the macro `with_cfg_better_docs` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.82s
[INFO] running `Command { std: "docker" "inspect" "df99c6964c576e600b3ab6f364d273a8d2cfddc6e51c179cad3cd8cb08f87285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df99c6964c576e600b3ab6f364d273a8d2cfddc6e51c179cad3cd8cb08f87285", kill_on_drop: false }`
[INFO] [stdout] df99c6964c576e600b3ab6f364d273a8d2cfddc6e51c179cad3cd8cb08f87285
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bdb80a19e12328c9dc74747662c8c99ccc31f19b30eb79dac23db57de56ed0b
[INFO] running `Command { std: "docker" "start" "-a" "6bdb80a19e12328c9dc74747662c8c99ccc31f19b30eb79dac23db57de56ed0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling lending-iterator v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `TODO`
[INFO] [stdout]    --> src/lending_iterator/_mod.rs:430:11
[INFO] [stdout]     |
[INFO] [stdout] 430 |     #[cfg(TODO)]
[INFO] [stdout]     |           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `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(TODO)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(TODO)");` 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]     = note: this warning originates in the macro `__emit__` which comes from the expansion of the macro `with_cfg_better_docs` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `TODO`
[INFO] [stdout]    --> src/lending_iterator/_mod.rs:457:11
[INFO] [stdout]     |
[INFO] [stdout] 457 |     #[cfg(TODO)]
[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(TODO)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(TODO)");` 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: this warning originates in the macro `__emit__` which comes from the expansion of the macro `with_cfg_better_docs` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `TODO`
[INFO] [stdout]    --> src/lending_iterator/_mod.rs:430:11
[INFO] [stdout]     |
[INFO] [stdout] 430 |     #[cfg(TODO)]
[INFO] [stdout]     |           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `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(TODO)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(TODO)");` 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]     = note: this warning originates in the macro `__emit__` which comes from the expansion of the macro `with_cfg_better_docs` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `TODO`
[INFO] [stdout]    --> src/lending_iterator/_mod.rs:457:11
[INFO] [stdout]     |
[INFO] [stdout] 457 |     #[cfg(TODO)]
[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(TODO)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(TODO)");` 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: this warning originates in the macro `__emit__` which comes from the expansion of the macro `with_cfg_better_docs` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "6bdb80a19e12328c9dc74747662c8c99ccc31f19b30eb79dac23db57de56ed0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bdb80a19e12328c9dc74747662c8c99ccc31f19b30eb79dac23db57de56ed0b", kill_on_drop: false }`
[INFO] [stdout] 6bdb80a19e12328c9dc74747662c8c99ccc31f19b30eb79dac23db57de56ed0b
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2d4b960d03c33709ef70026f3be228e8857a03fcb6e8d57af40b9e4b6af20dc0
[INFO] running `Command { std: "docker" "start" "-a" "2d4b960d03c33709ef70026f3be228e8857a03fcb6e8d57af40b9e4b6af20dc0", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition name: `TODO`
[INFO] [stderr]    --> src/lending_iterator/_mod.rs:430:11
[INFO] [stderr]     |
[INFO] [stderr] 430 |     #[cfg(TODO)]
[INFO] [stderr]     |           ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `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] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(TODO)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(TODO)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `__emit__` which comes from the expansion of the macro `with_cfg_better_docs` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `TODO`
[INFO] [stderr]    --> src/lending_iterator/_mod.rs:457:11
[INFO] [stderr]     |
[INFO] [stderr] 457 |     #[cfg(TODO)]
[INFO] [stderr]     |           ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(TODO)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(TODO)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `__emit__` which comes from the expansion of the macro `with_cfg_better_docs` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `lending-iterator` (lib) generated 2 warnings
[INFO] [stderr] warning: `lending-iterator` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/_lib.rs (/opt/rustwide/target/debug/deps/lending_iterator-17a04421062de509)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lending_iterator::tests::inlined_windows_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lending_iterator
[INFO] [stdout] 
[INFO] [stdout] running 63 tests
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 114) ... ignored
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 148) ... ignored
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 163) ... ignored
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 308) ... ignored
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 428) ... ignored
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 262) - compile fail ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 472) ... ignored
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 477) ... ignored
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 483) ... ignored
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 487) ... ignored
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 202) ... ok
[INFO] [stdout] test src/_lib.rs - Gat (line 85) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 37) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 252) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 367) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 189) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 317) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 289) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 26) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 277) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 343) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 226) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 353) - compile fail ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 65) - compile fail ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 330) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 456) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 513) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 536) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 502) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 620) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 640) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 718) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 55) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 706) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 680) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 693) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 599) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 581) ... ok
[INFO] [stdout] test src/lending_iterator/_mod.rs - lending_iterator::LendingIterator (line 99) ... ignored
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 669) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types::CanonicalHKT (line 262) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 651) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types::Apply (line 157) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types::HKT (line 96) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types::CanonicalHKT (line 318) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types::CanonicalHKT (line 363) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types (line 744) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types::CanonicalHKT (line 292) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types::Feed (line 138) ... ok
[INFO] [stdout] test src/lending_iterator/_mod.rs - lending_iterator::LendingIterator::map (line 74) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types::HKTRefMut (line 398) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types::WithLifetime (line 46) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types::WithLifetime (line 33) ... ok
[INFO] [stdout] test src/higher_kinded_types.rs - higher_kinded_types::HKTRef (line 387) ... ok
[INFO] [stdout] test src/lending_iterator/constructors/from_fn.rs - lending_iterator::constructors::from_fn::FromFn (line 98) ... ok
[INFO] [stdout] test src/lending_iterator/_mod.rs - lending_iterator::LendingIterator (line 129) ... ok
[INFO] [stdout] test src/lending_iterator/dyn/_mod.rs - lending_iterator::r#dyn::LendingIteratorDyn (line 30) ... ok
[INFO] [stdout] test src/lending_iterator/constructors/from_fn.rs - lending_iterator::constructors::from_fn::from_fn (line 49) ... ok
[INFO] [stdout] test src/lending_iterator/constructors/from_fn.rs - lending_iterator::constructors::from_fn::from_fn (line 18) ... ok
[INFO] [stdout] test src/lending_iterator/dyn/_mod.rs - lending_iterator::r#dyn::HKTItem (line 156) ... ok
[INFO] [stdout] test src/lending_iterator/dyn/_mod.rs - lending_iterator::r#dyn::HKTItem (line 144) ... ok
[INFO] [stdout] test src/lending_iterator/constructors/repeat_mut.rs - lending_iterator::constructors::repeat_mut::repeat_mut (line 25) ... ok
[INFO] [stdout] test src/lending_iterator/adapters/_mod.rs - lending_iterator::adapters (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 53 passed; 0 failed; 10 ignored; 0 measured; 0 filtered out; finished in 2.82s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2d4b960d03c33709ef70026f3be228e8857a03fcb6e8d57af40b9e4b6af20dc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d4b960d03c33709ef70026f3be228e8857a03fcb6e8d57af40b9e4b6af20dc0", kill_on_drop: false }`
[INFO] [stdout] 2d4b960d03c33709ef70026f3be228e8857a03fcb6e8d57af40b9e4b6af20dc0