[INFO] fetching crate reusable-fmt 0.2.0...
[INFO] testing reusable-fmt-0.2.0 against 1.95.0 for beta-1.96-2
[INFO] extracting crate reusable-fmt 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate reusable-fmt 0.2.0
[INFO] finished tweaking crates.io crate reusable-fmt 0.2.0
[INFO] tweaked toml for crates.io crate reusable-fmt 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate reusable-fmt 0.2.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding rustc_version v0.3.3 (available: v0.4.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4968b66db3adf0c705173040bc479aeaf11252f71b5c9345bb67dcd5c8f66b6
[INFO] running `Command { std: "docker" "start" "-a" "a4968b66db3adf0c705173040bc479aeaf11252f71b5c9345bb67dcd5c8f66b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4968b66db3adf0c705173040bc479aeaf11252f71b5c9345bb67dcd5c8f66b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4968b66db3adf0c705173040bc479aeaf11252f71b5c9345bb67dcd5c8f66b6", kill_on_drop: false }`
[INFO] [stdout] a4968b66db3adf0c705173040bc479aeaf11252f71b5c9345bb67dcd5c8f66b6
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3af7ce9471f5fa855fcbf7bf677b1e1f88c3cf3be4a2c25bc243cb23f1afdd1b
[INFO] running `Command { std: "docker" "start" "-a" "3af7ce9471f5fa855fcbf7bf677b1e1f88c3cf3be4a2c25bc243cb23f1afdd1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling pest v2.8.6
[INFO] [stderr]    Compiling semver-parser v0.10.3
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling reusable-fmt v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/lib.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 | #![cfg_attr(nightly, feature(extended_key_value_attributes))]
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[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(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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: `nightly`
[INFO] [stdout]   --> src/lib.rs:93:7
[INFO] [stdout]    |
[INFO] [stdout] 93 | #[cfg(nightly)]
[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(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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: `nightly`
[INFO] [stdout]    --> src/lib.rs:103:7
[INFO] [stdout]     |
[INFO] [stdout] 103 | #[cfg(nightly)]
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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: `nightly`
[INFO] [stdout]    --> src/lib.rs:121:20
[INFO] [stdout]     |
[INFO] [stdout] 121 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = concat!("Wrapper around [`", concat!(stringify!($mac), "!`]"))))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 | fmt_macro_gen!(fmt, format);
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:134:20
[INFO] [stdout]     |
[INFO] [stdout] 134 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = fmt_usage!($name)))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 | fmt_macro_gen!(fmt, format);
[INFO] [stdout]     | --------------------------- in this macro invocation
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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 `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:121:20
[INFO] [stdout]     |
[INFO] [stdout] 121 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = concat!("Wrapper around [`", concat!(stringify!($mac), "!`]"))))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 188 | fmt_macro_gen!(prnt, print);
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:134:20
[INFO] [stdout]     |
[INFO] [stdout] 134 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = fmt_usage!($name)))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 188 | fmt_macro_gen!(prnt, print);
[INFO] [stdout]     | --------------------------- in this macro invocation
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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 `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:121:20
[INFO] [stdout]     |
[INFO] [stdout] 121 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = concat!("Wrapper around [`", concat!(stringify!($mac), "!`]"))))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 189 | fmt_macro_gen!(prntln, println);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:134:20
[INFO] [stdout]     |
[INFO] [stdout] 134 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = fmt_usage!($name)))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 189 | fmt_macro_gen!(prntln, println);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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 `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:121:20
[INFO] [stdout]     |
[INFO] [stdout] 121 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = concat!("Wrapper around [`", concat!(stringify!($mac), "!`]"))))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 190 | fmt_macro_gen!(eprnt, eprintln);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:134:20
[INFO] [stdout]     |
[INFO] [stdout] 134 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = fmt_usage!($name)))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 190 | fmt_macro_gen!(eprnt, eprintln);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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 `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:121:20
[INFO] [stdout]     |
[INFO] [stdout] 121 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = concat!("Wrapper around [`", concat!(stringify!($mac), "!`]"))))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 191 | fmt_macro_gen!(eprntln, eprintln);
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:134:20
[INFO] [stdout]     |
[INFO] [stdout] 134 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = fmt_usage!($name)))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 191 | fmt_macro_gen!(eprntln, eprintln);
[INFO] [stdout]     | --------------------------------- in this macro invocation
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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 `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:156:20
[INFO] [stdout]     |
[INFO] [stdout] 156 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = concat!("Wrapper around [`", concat!(stringify!($mac), "!`]"))))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 193 | write_macro_gen!(wrt, write);
[INFO] [stdout]     | ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `__mac_wc` which comes from the expansion of the macro `write_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:170:20
[INFO] [stdout]     |
[INFO] [stdout] 170 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = write_usage!($name)))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 193 | write_macro_gen!(wrt, write);
[INFO] [stdout]     | ---------------------------- in this macro invocation
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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 `__mac_wc` which comes from the expansion of the macro `write_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:156:20
[INFO] [stdout]     |
[INFO] [stdout] 156 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = concat!("Wrapper around [`", concat!(stringify!($mac), "!`]"))))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 194 | write_macro_gen!(wrtln, writeln);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `__mac_wc` which comes from the expansion of the macro `write_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:170:20
[INFO] [stdout]     |
[INFO] [stdout] 170 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = write_usage!($name)))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 194 | write_macro_gen!(wrtln, writeln);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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 `__mac_wc` which comes from the expansion of the macro `write_macro_gen` (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 3.67s
[INFO] running `Command { std: "docker" "inspect" "3af7ce9471f5fa855fcbf7bf677b1e1f88c3cf3be4a2c25bc243cb23f1afdd1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3af7ce9471f5fa855fcbf7bf677b1e1f88c3cf3be4a2c25bc243cb23f1afdd1b", kill_on_drop: false }`
[INFO] [stdout] 3af7ce9471f5fa855fcbf7bf677b1e1f88c3cf3be4a2c25bc243cb23f1afdd1b
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a81df4fdaed1b6eb58d2ca0bfa384ad4bd692bdd08a8a6dd41f6aa04f26c3662
[INFO] running `Command { std: "docker" "start" "-a" "a81df4fdaed1b6eb58d2ca0bfa384ad4bd692bdd08a8a6dd41f6aa04f26c3662", kill_on_drop: false }`
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/lib.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 | #![cfg_attr(nightly, feature(extended_key_value_attributes))]
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[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(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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: `nightly`
[INFO] [stdout]   --> src/lib.rs:93:7
[INFO] [stdout]    |
[INFO] [stdout] 93 | #[cfg(nightly)]
[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(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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: `nightly`
[INFO] [stdout]    --> src/lib.rs:103:7
[INFO] [stdout]     |
[INFO] [stdout] 103 | #[cfg(nightly)]
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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: `nightly`
[INFO] [stdout]    --> src/lib.rs:121:20
[INFO] [stdout]     |
[INFO] [stdout] 121 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = concat!("Wrapper around [`", concat!(stringify!($mac), "!`]"))))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 | fmt_macro_gen!(fmt, format);
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:134:20
[INFO] [stdout]     |
[INFO] [stdout] 134 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = fmt_usage!($name)))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 | fmt_macro_gen!(fmt, format);
[INFO] [stdout]     | --------------------------- in this macro invocation
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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 `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling reusable-fmt v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:121:20
[INFO] [stdout]     |
[INFO] [stdout] 121 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = concat!("Wrapper around [`", concat!(stringify!($mac), "!`]"))))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 188 | fmt_macro_gen!(prnt, print);
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:134:20
[INFO] [stdout]     |
[INFO] [stdout] 134 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = fmt_usage!($name)))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 188 | fmt_macro_gen!(prnt, print);
[INFO] [stdout]     | --------------------------- in this macro invocation
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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 `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:121:20
[INFO] [stdout]     |
[INFO] [stdout] 121 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = concat!("Wrapper around [`", concat!(stringify!($mac), "!`]"))))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 189 | fmt_macro_gen!(prntln, println);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:134:20
[INFO] [stdout]     |
[INFO] [stdout] 134 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = fmt_usage!($name)))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 189 | fmt_macro_gen!(prntln, println);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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 `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:121:20
[INFO] [stdout]     |
[INFO] [stdout] 121 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = concat!("Wrapper around [`", concat!(stringify!($mac), "!`]"))))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 190 | fmt_macro_gen!(eprnt, eprintln);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:134:20
[INFO] [stdout]     |
[INFO] [stdout] 134 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = fmt_usage!($name)))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 190 | fmt_macro_gen!(eprnt, eprintln);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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 `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:121:20
[INFO] [stdout]     |
[INFO] [stdout] 121 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = concat!("Wrapper around [`", concat!(stringify!($mac), "!`]"))))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 191 | fmt_macro_gen!(eprntln, eprintln);
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:134:20
[INFO] [stdout]     |
[INFO] [stdout] 134 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = fmt_usage!($name)))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 191 | fmt_macro_gen!(eprntln, eprintln);
[INFO] [stdout]     | --------------------------------- in this macro invocation
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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 `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:156:20
[INFO] [stdout]     |
[INFO] [stdout] 156 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = concat!("Wrapper around [`", concat!(stringify!($mac), "!`]"))))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 193 | write_macro_gen!(wrt, write);
[INFO] [stdout]     | ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `__mac_wc` which comes from the expansion of the macro `write_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:170:20
[INFO] [stdout]     |
[INFO] [stdout] 170 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = write_usage!($name)))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 193 | write_macro_gen!(wrt, write);
[INFO] [stdout]     | ---------------------------- in this macro invocation
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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 `__mac_wc` which comes from the expansion of the macro `write_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:156:20
[INFO] [stdout]     |
[INFO] [stdout] 156 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = concat!("Wrapper around [`", concat!(stringify!($mac), "!`]"))))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 194 | write_macro_gen!(wrtln, writeln);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `__mac_wc` which comes from the expansion of the macro `write_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:170:20
[INFO] [stdout]     |
[INFO] [stdout] 170 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = write_usage!($name)))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 194 | write_macro_gen!(wrtln, writeln);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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 `__mac_wc` which comes from the expansion of the macro `write_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/lib.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 | #![cfg_attr(nightly, feature(extended_key_value_attributes))]
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[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(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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: `nightly`
[INFO] [stdout]   --> src/lib.rs:93:7
[INFO] [stdout]    |
[INFO] [stdout] 93 | #[cfg(nightly)]
[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(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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: `nightly`
[INFO] [stdout]    --> src/lib.rs:103:7
[INFO] [stdout]     |
[INFO] [stdout] 103 | #[cfg(nightly)]
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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: `nightly`
[INFO] [stdout]    --> src/lib.rs:121:20
[INFO] [stdout]     |
[INFO] [stdout] 121 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = concat!("Wrapper around [`", concat!(stringify!($mac), "!`]"))))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 | fmt_macro_gen!(fmt, format);
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:134:20
[INFO] [stdout]     |
[INFO] [stdout] 134 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = fmt_usage!($name)))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 | fmt_macro_gen!(fmt, format);
[INFO] [stdout]     | --------------------------- in this macro invocation
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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 `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:121:20
[INFO] [stdout]     |
[INFO] [stdout] 121 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = concat!("Wrapper around [`", concat!(stringify!($mac), "!`]"))))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 188 | fmt_macro_gen!(prnt, print);
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:134:20
[INFO] [stdout]     |
[INFO] [stdout] 134 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = fmt_usage!($name)))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 188 | fmt_macro_gen!(prnt, print);
[INFO] [stdout]     | --------------------------- in this macro invocation
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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 `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:121:20
[INFO] [stdout]     |
[INFO] [stdout] 121 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = concat!("Wrapper around [`", concat!(stringify!($mac), "!`]"))))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 189 | fmt_macro_gen!(prntln, println);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:134:20
[INFO] [stdout]     |
[INFO] [stdout] 134 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = fmt_usage!($name)))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 189 | fmt_macro_gen!(prntln, println);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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 `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:121:20
[INFO] [stdout]     |
[INFO] [stdout] 121 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = concat!("Wrapper around [`", concat!(stringify!($mac), "!`]"))))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 190 | fmt_macro_gen!(eprnt, eprintln);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:134:20
[INFO] [stdout]     |
[INFO] [stdout] 134 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = fmt_usage!($name)))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 190 | fmt_macro_gen!(eprnt, eprintln);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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 `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:121:20
[INFO] [stdout]     |
[INFO] [stdout] 121 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = concat!("Wrapper around [`", concat!(stringify!($mac), "!`]"))))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 191 | fmt_macro_gen!(eprntln, eprintln);
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:134:20
[INFO] [stdout]     |
[INFO] [stdout] 134 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = fmt_usage!($name)))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 191 | fmt_macro_gen!(eprntln, eprintln);
[INFO] [stdout]     | --------------------------------- in this macro invocation
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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 `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:156:20
[INFO] [stdout]     |
[INFO] [stdout] 156 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = concat!("Wrapper around [`", concat!(stringify!($mac), "!`]"))))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 193 | write_macro_gen!(wrt, write);
[INFO] [stdout]     | ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `__mac_wc` which comes from the expansion of the macro `write_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:170:20
[INFO] [stdout]     |
[INFO] [stdout] 170 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = write_usage!($name)))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 193 | write_macro_gen!(wrt, write);
[INFO] [stdout]     | ---------------------------- in this macro invocation
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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 `__mac_wc` which comes from the expansion of the macro `write_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:156:20
[INFO] [stdout]     |
[INFO] [stdout] 156 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = concat!("Wrapper around [`", concat!(stringify!($mac), "!`]"))))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 194 | write_macro_gen!(wrtln, writeln);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `__mac_wc` which comes from the expansion of the macro `write_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:170:20
[INFO] [stdout]     |
[INFO] [stdout] 170 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = write_usage!($name)))]
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 194 | write_macro_gen!(wrtln, writeln);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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 `__mac_wc` which comes from the expansion of the macro `write_macro_gen` (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 0.64s
[INFO] running `Command { std: "docker" "inspect" "a81df4fdaed1b6eb58d2ca0bfa384ad4bd692bdd08a8a6dd41f6aa04f26c3662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a81df4fdaed1b6eb58d2ca0bfa384ad4bd692bdd08a8a6dd41f6aa04f26c3662", kill_on_drop: false }`
[INFO] [stdout] a81df4fdaed1b6eb58d2ca0bfa384ad4bd692bdd08a8a6dd41f6aa04f26c3662
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 85c6524efe7bcd921d510286cf318098d489e9557a4316a24236bb753308ac4a
[INFO] running `Command { std: "docker" "start" "-a" "85c6524efe7bcd921d510286cf318098d489e9557a4316a24236bb753308ac4a", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]   --> src/lib.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 | #![cfg_attr(nightly, feature(extended_key_value_attributes))]
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[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(nightly)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]   --> src/lib.rs:93:7
[INFO] [stderr]    |
[INFO] [stderr] 93 | #[cfg(nightly)]
[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(nightly)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]    --> src/lib.rs:103:7
[INFO] [stderr]     |
[INFO] [stderr] 103 | #[cfg(nightly)]
[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(nightly)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]    --> src/lib.rs:121:20
[INFO] [stderr]     |
[INFO] [stderr] 121 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = concat!("Wrapper around [`", concat!(stringify!($mac), "!`]"))))]
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 187 | fmt_macro_gen!(fmt, format);
[INFO] [stderr]     | --------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]    --> src/lib.rs:134:20
[INFO] [stderr]     |
[INFO] [stderr] 134 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = fmt_usage!($name)))]
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 187 | fmt_macro_gen!(fmt, format);
[INFO] [stderr]     | --------------------------- in this macro invocation
[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(nightly)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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 `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]    --> src/lib.rs:121:20
[INFO] [stderr]     |
[INFO] [stderr] 121 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = concat!("Wrapper around [`", concat!(stringify!($mac), "!`]"))))]
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 188 | fmt_macro_gen!(prnt, print);
[INFO] [stderr]     | --------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]    --> src/lib.rs:134:20
[INFO] [stderr]     |
[INFO] [stderr] 134 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = fmt_usage!($name)))]
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 188 | fmt_macro_gen!(prnt, print);
[INFO] [stderr]     | --------------------------- in this macro invocation
[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(nightly)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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 `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]    --> src/lib.rs:121:20
[INFO] [stderr]     |
[INFO] [stderr] 121 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = concat!("Wrapper around [`", concat!(stringify!($mac), "!`]"))))]
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 189 | fmt_macro_gen!(prntln, println);
[INFO] [stderr]     | ------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]    --> src/lib.rs:134:20
[INFO] [stderr]     |
[INFO] [stderr] 134 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = fmt_usage!($name)))]
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 189 | fmt_macro_gen!(prntln, println);
[INFO] [stderr]     | ------------------------------- in this macro invocation
[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(nightly)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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 `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]    --> src/lib.rs:121:20
[INFO] [stderr]     |
[INFO] [stderr] 121 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = concat!("Wrapper around [`", concat!(stringify!($mac), "!`]"))))]
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 190 | fmt_macro_gen!(eprnt, eprintln);
[INFO] [stderr]     | ------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]    --> src/lib.rs:134:20
[INFO] [stderr]     |
[INFO] [stderr] 134 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = fmt_usage!($name)))]
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 190 | fmt_macro_gen!(eprnt, eprintln);
[INFO] [stderr]     | ------------------------------- in this macro invocation
[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(nightly)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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 `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]    --> src/lib.rs:121:20
[INFO] [stderr]     |
[INFO] [stderr] 121 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = concat!("Wrapper around [`", concat!(stringify!($mac), "!`]"))))]
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 191 | fmt_macro_gen!(eprntln, eprintln);
[INFO] [stderr]     | --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]    --> src/lib.rs:134:20
[INFO] [stderr]     |
[INFO] [stderr] 134 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = fmt_usage!($name)))]
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 191 | fmt_macro_gen!(eprntln, eprintln);
[INFO] [stderr]     | --------------------------------- in this macro invocation
[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(nightly)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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 `__mac_wc` which comes from the expansion of the macro `fmt_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]    --> src/lib.rs:156:20
[INFO] [stderr]     |
[INFO] [stderr] 156 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = concat!("Wrapper around [`", concat!(stringify!($mac), "!`]"))))]
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 193 | write_macro_gen!(wrt, write);
[INFO] [stderr]     | ---------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `__mac_wc` which comes from the expansion of the macro `write_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]    --> src/lib.rs:170:20
[INFO] [stderr]     |
[INFO] [stderr] 170 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = write_usage!($name)))]
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 193 | write_macro_gen!(wrt, write);
[INFO] [stderr]     | ---------------------------- in this macro invocation
[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(nightly)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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 `__mac_wc` which comes from the expansion of the macro `write_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]    --> src/lib.rs:156:20
[INFO] [stderr]     |
[INFO] [stderr] 156 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = concat!("Wrapper around [`", concat!(stringify!($mac), "!`]"))))]
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 194 | write_macro_gen!(wrtln, writeln);
[INFO] [stderr]     | -------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: this warning originates in the macro `__mac_wc` which comes from the expansion of the macro `write_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]    --> src/lib.rs:170:20
[INFO] [stderr]     |
[INFO] [stderr] 170 |         #[cfg_attr(nightly, cfg_attr(nightly, doc = write_usage!($name)))]
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 194 | write_macro_gen!(wrtln, writeln);
[INFO] [stderr]     | -------------------------------- in this macro invocation
[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(nightly)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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 `__mac_wc` which comes from the expansion of the macro `write_macro_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `reusable-fmt` (lib) generated 17 warnings
[INFO] [stderr] warning: `reusable-fmt` (lib test) generated 17 warnings (17 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/reusable_fmt-c32ec005e1b24dc9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/consts.rs (/opt/rustwide/target/debug/deps/consts-c12445f84b43ed98)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mod.rs (/opt/rustwide/target/debug/deps/mod-77f0c0d50f525bfa)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test fmt_test ... ok
[INFO] [stdout] test wrt_test ... ok
[INFO] [stdout] test fmt_wrap_test ... ok
[INFO] [stdout] test wrt_wrap_test ... ok
[INFO] [stdout] test reuse_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests reusable_fmt
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - fmt (line 192) ... ok
[INFO] [stdout] test src/lib.rs - wrtln (line 199) ... ok
[INFO] [stdout] test src/lib.rs - eprntln (line 196) ... ok
[INFO] [stdout] test src/lib.rs - wrt (line 198) ... ok
[INFO] [stdout] test src/lib.rs - fmt_reuse (line 55) ... ok
[INFO] [stdout] test src/lib.rs - prntln (line 194) ... ok
[INFO] [stdout] test src/lib.rs - eprnt (line 195) ... ok
[INFO] [stdout] test src/lib.rs - prnt (line 193) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.59s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "85c6524efe7bcd921d510286cf318098d489e9557a4316a24236bb753308ac4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85c6524efe7bcd921d510286cf318098d489e9557a4316a24236bb753308ac4a", kill_on_drop: false }`
[INFO] [stdout] 85c6524efe7bcd921d510286cf318098d489e9557a4316a24236bb753308ac4a
