[INFO] fetching crate alt_serde_json 1.0.61...
[INFO] checking alt_serde_json-1.0.61 against master#3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777 for pr-132289
[INFO] extracting crate alt_serde_json 1.0.61 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate alt_serde_json 1.0.61 on toolchain 3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alt_serde_json 1.0.61
[INFO] finished tweaking crates.io crate alt_serde_json 1.0.61
[INFO] tweaked toml for crates.io crate alt_serde_json 1.0.61 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" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 51 packages to latest compatible versions
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.6.0)
[INFO] [stderr]       Adding itoa v0.4.8 (available: v1.0.11)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_stacker v0.1.11
[INFO] [stderr]   Downloaded psm v0.1.23
[INFO] [stderr]   Downloaded trybuild v1.0.101
[INFO] [stderr]   Downloaded target-triple v0.1.3
[INFO] [stderr]   Downloaded dissimilar v1.0.9
[INFO] [stderr]   Downloaded automod v1.0.14
[INFO] [stderr]   Downloaded stacker v0.1.17
[INFO] [stderr]   Downloaded alt_serde_derive v1.0.119
[INFO] [stderr]   Downloaded alt_serde v1.0.119
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49ad1dd93ce76de3346951baf87e0e384a9a50c9468e0e93c01618d713b988cb
[INFO] running `Command { std: "docker" "start" "-a" "49ad1dd93ce76de3346951baf87e0e384a9a50c9468e0e93c01618d713b988cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49ad1dd93ce76de3346951baf87e0e384a9a50c9468e0e93c01618d713b988cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49ad1dd93ce76de3346951baf87e0e384a9a50c9468e0e93c01618d713b988cb", kill_on_drop: false }`
[INFO] [stdout] 49ad1dd93ce76de3346951baf87e0e384a9a50c9468e0e93c01618d713b988cb
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dc9d25239ad781c5de815106bed3bb80ea03db0ed4e77bf6757ab20b93dcf19
[INFO] running `Command { std: "docker" "start" "-a" "2dc9d25239ad781c5de815106bed3bb80ea03db0ed4e77bf6757ab20b93dcf19", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.214
[INFO] [stderr]    Compiling alt_serde v1.0.119
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling target-triple v0.1.3
[INFO] [stderr]    Compiling alt_serde_json v1.0.61 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling alt_serde_derive v1.0.119
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]    Compiling psm v0.1.23
[INFO] [stderr]    Compiling stacker v0.1.17
[INFO] [stderr]     Checking dissimilar v1.0.9
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.214
[INFO] [stderr]    Compiling automod v1.0.14
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking serde_json v1.0.132
[INFO] [stderr]     Checking serde_bytes v0.11.15
[INFO] [stderr]     Checking serde_stacker v0.1.11
[INFO] [stderr]     Checking toml_edit v0.22.22
[INFO] [stdout] warning: unused imports: `Cell` and `RefCell`
[INFO] [stdout]    --> src/lib.rs:377:32
[INFO] [stdout]     |
[INFO] [stdout] 377 |     pub use self::core::cell::{Cell, RefCell};
[INFO] [stdout]     |                                ^^^^  ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]    --> src/lib.rs:378:33
[INFO] [stdout]     |
[INFO] [stdout] 378 |     pub use self::core::clone::{self, Clone};
[INFO] [stdout]     |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]    --> src/lib.rs:379:35
[INFO] [stdout]     |
[INFO] [stdout] 379 |     pub use self::core::convert::{self, From, Into};
[INFO] [stdout]     |                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]    --> src/lib.rs:380:35
[INFO] [stdout]     |
[INFO] [stdout] 380 |     pub use self::core::default::{self, Default};
[INFO] [stdout]     |                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]    --> src/lib.rs:382:32
[INFO] [stdout]     |
[INFO] [stdout] 382 |     pub use self::core::hash::{self, Hash};
[INFO] [stdout]     |                                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]    --> src/lib.rs:384:34
[INFO] [stdout]     |
[INFO] [stdout] 384 |     pub use self::core::marker::{self, PhantomData};
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Bound`
[INFO] [stdout]    --> src/lib.rs:385:31
[INFO] [stdout]     |
[INFO] [stdout] 385 |     pub use self::core::ops::{Bound, RangeBounds};
[INFO] [stdout]     |                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `no_btreemap_remove_entry`
[INFO] [stdout]    --> src/map.rs:135:51
[INFO] [stdout]     |
[INFO] [stdout] 135 |         #[cfg(any(feature = "preserve_order", not(no_btreemap_remove_entry)))]
[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(no_btreemap_remove_entry)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_btreemap_remove_entry)");` 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: `no_btreemap_remove_entry`
[INFO] [stdout]    --> src/map.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |             no_btreemap_remove_entry,
[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(no_btreemap_remove_entry)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_btreemap_remove_entry)");` 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: `no_btreemap_get_key_value`
[INFO] [stdout]    --> src/map.rs:140:17
[INFO] [stdout]     |
[INFO] [stdout] 140 |             not(no_btreemap_get_key_value),
[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(no_btreemap_get_key_value)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_btreemap_get_key_value)");` 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: `no_btreemap_remove_entry`
[INFO] [stdout]    --> src/map.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |             no_btreemap_remove_entry,
[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(no_btreemap_remove_entry)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_btreemap_remove_entry)");` 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: `no_btreemap_get_key_value`
[INFO] [stdout]    --> src/map.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |             no_btreemap_get_key_value,
[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(no_btreemap_get_key_value)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_btreemap_get_key_value)");` 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] [stderr]     Checking toml v0.8.19
[INFO] [stderr]     Checking trybuild v1.0.101
[INFO] [stdout] warning: unused imports: `Cell` and `RefCell`
[INFO] [stdout]    --> src/lib.rs:377:32
[INFO] [stdout]     |
[INFO] [stdout] 377 |     pub use self::core::cell::{Cell, RefCell};
[INFO] [stdout]     |                                ^^^^  ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]    --> src/lib.rs:378:33
[INFO] [stdout]     |
[INFO] [stdout] 378 |     pub use self::core::clone::{self, Clone};
[INFO] [stdout]     |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]    --> src/lib.rs:379:35
[INFO] [stdout]     |
[INFO] [stdout] 379 |     pub use self::core::convert::{self, From, Into};
[INFO] [stdout]     |                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]    --> src/lib.rs:380:35
[INFO] [stdout]     |
[INFO] [stdout] 380 |     pub use self::core::default::{self, Default};
[INFO] [stdout]     |                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]    --> src/lib.rs:382:32
[INFO] [stdout]     |
[INFO] [stdout] 382 |     pub use self::core::hash::{self, Hash};
[INFO] [stdout]     |                                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]    --> src/lib.rs:384:34
[INFO] [stdout]     |
[INFO] [stdout] 384 |     pub use self::core::marker::{self, PhantomData};
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Bound` and `RangeBounds`
[INFO] [stdout]    --> src/lib.rs:385:31
[INFO] [stdout]     |
[INFO] [stdout] 385 |     pub use self::core::ops::{Bound, RangeBounds};
[INFO] [stdout]     |                               ^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `no_btreemap_remove_entry`
[INFO] [stdout]    --> src/map.rs:135:51
[INFO] [stdout]     |
[INFO] [stdout] 135 |         #[cfg(any(feature = "preserve_order", not(no_btreemap_remove_entry)))]
[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(no_btreemap_remove_entry)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_btreemap_remove_entry)");` 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: `no_btreemap_remove_entry`
[INFO] [stdout]    --> src/map.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |             no_btreemap_remove_entry,
[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(no_btreemap_remove_entry)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_btreemap_remove_entry)");` 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: `no_btreemap_get_key_value`
[INFO] [stdout]    --> src/map.rs:140:17
[INFO] [stdout]     |
[INFO] [stdout] 140 |             not(no_btreemap_get_key_value),
[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(no_btreemap_get_key_value)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_btreemap_get_key_value)");` 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: `no_btreemap_remove_entry`
[INFO] [stdout]    --> src/map.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |             no_btreemap_remove_entry,
[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(no_btreemap_remove_entry)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_btreemap_remove_entry)");` 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: `no_btreemap_get_key_value`
[INFO] [stdout]    --> src/map.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |             no_btreemap_get_key_value,
[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(no_btreemap_get_key_value)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_btreemap_get_key_value)");` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.47s
[INFO] running `Command { std: "docker" "inspect" "2dc9d25239ad781c5de815106bed3bb80ea03db0ed4e77bf6757ab20b93dcf19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dc9d25239ad781c5de815106bed3bb80ea03db0ed4e77bf6757ab20b93dcf19", kill_on_drop: false }`
[INFO] [stdout] 2dc9d25239ad781c5de815106bed3bb80ea03db0ed4e77bf6757ab20b93dcf19
