[INFO] fetching crate safer-ffi 0.1.13...
[INFO] checking safer-ffi-0.1.13 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate safer-ffi 0.1.13 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate safer-ffi 0.1.13 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate safer-ffi 0.1.13
[INFO] removed 1 missing tests
[INFO] finished tweaking crates.io crate safer-ffi 0.1.13
[INFO] tweaked toml for crates.io crate safer-ffi 0.1.13 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 81 packages to latest compatible versions
[INFO] [stderr]       Adding macro_rules_attribute v0.1.3 (available: v0.2.0)
[INFO] [stderr]       Adding uninit v0.5.1 (available: v0.6.2)
[INFO] [stderr]       Adding with_builtin_macros v0.0.3 (available: v0.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10edba978c5f0eff123d25630d9ceefae9b651d6a685b757de6d4e2364e8e89e
[INFO] running `Command { std: "docker" "start" "-a" "10edba978c5f0eff123d25630d9ceefae9b651d6a685b757de6d4e2364e8e89e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10edba978c5f0eff123d25630d9ceefae9b651d6a685b757de6d4e2364e8e89e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10edba978c5f0eff123d25630d9ceefae9b651d6a685b757de6d4e2364e8e89e", kill_on_drop: false }`
[INFO] [stdout] 10edba978c5f0eff123d25630d9ceefae9b651d6a685b757de6d4e2364e8e89e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6967afb6aa2430a5068d513efb34cb58d6342f72b7d28addf30fcfbf16e9dd4b
[INFO] running `Command { std: "docker" "start" "-a" "6967afb6aa2430a5068d513efb34cb58d6342f72b7d28addf30fcfbf16e9dd4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.167
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling macro_rules_attribute-proc_macro v0.1.3
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling safer-ffi v0.1.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking extern-c v0.1.0
[INFO] [stderr]     Checking unwind_safe v0.1.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling macro_rules_attribute v0.1.3
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking serde_test v1.0.177
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]    Compiling ext-trait-proc_macros v1.0.1
[INFO] [stderr]    Compiling with_builtin_macros-proc_macros v0.0.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling safer_ffi-proc_macros v0.1.13
[INFO] [stderr]     Checking ext-trait v1.0.1
[INFO] [stderr]     Checking extension-traits v1.0.1
[INFO] [stderr]     Checking uninit v0.5.1
[INFO] [stderr]     Checking with_builtin_macros v0.0.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] warning: unexpected `cfg` condition name: `docs`
[INFO] [stdout]    --> src/layout/macros.rs:360:17
[INFO] [stdout]     |
[INFO] [stdout] 360 | #[cfg(any(test, docs))]
[INFO] [stdout]     |                 ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]    --> src/layout/impls.rs:80:15
[INFO] [stdout]     |
[INFO] [stdout] 80  |         #[cfg(docs)] impl_CTypes! { @fns (A1, A2) } #[cfg(not(docs))]
[INFO] [stdout]     |               ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout] ...
[INFO] [stdout] 748 | } impl_CTypes! {} };
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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 `impl_CTypes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `docs`
[INFO] [stdout]    --> src/layout/impls.rs:80:63
[INFO] [stdout]     |
[INFO] [stdout] 80  |         #[cfg(docs)] impl_CTypes! { @fns (A1, A2) } #[cfg(not(docs))]
[INFO] [stdout]     |                                                               ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout] ...
[INFO] [stdout] 748 | } impl_CTypes! {} };
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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 `impl_CTypes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `docs`
[INFO] [stdout]    --> src/layout/impls.rs:84:15
[INFO] [stdout]     |
[INFO] [stdout] 84  |         #[cfg(docs)] impl_CTypes! { @arrays 1 2 } #[cfg(not(docs))]
[INFO] [stdout]     |               ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout] ...
[INFO] [stdout] 748 | } impl_CTypes! {} };
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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 `impl_CTypes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `docs`
[INFO] [stdout]    --> src/layout/impls.rs:84:61
[INFO] [stdout]     |
[INFO] [stdout] 84  |         #[cfg(docs)] impl_CTypes! { @arrays 1 2 } #[cfg(not(docs))]
[INFO] [stdout]     |                                                             ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout] ...
[INFO] [stdout] 748 | } impl_CTypes! {} };
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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 `impl_CTypes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `docs`
[INFO] [stdout]   --> src/closure/mod.rs:81:11
[INFO] [stdout]    |
[INFO] [stdout] 81 | #[cfg(not(docs))]
[INFO] [stdout]    |           ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]   --> src/closure/mod.rs:63:15
[INFO] [stdout]    |
[INFO] [stdout] 63 |     #[cfg(not(docs))]
[INFO] [stdout]    |               ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]    --> src/closure/arc.rs:275:11
[INFO] [stdout]     |
[INFO] [stdout] 275 | #[cfg(not(docs))]
[INFO] [stdout]     |           ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]    --> src/closure/arc.rs:291:7
[INFO] [stdout]     |
[INFO] [stdout] 291 | #[cfg(docs)]
[INFO] [stdout]     |       ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]    --> src/closure/boxed.rs:218:11
[INFO] [stdout]     |
[INFO] [stdout] 218 | #[cfg(not(docs))]
[INFO] [stdout]     |           ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]    --> src/closure/boxed.rs:234:7
[INFO] [stdout]     |
[INFO] [stdout] 234 | #[cfg(docs)]
[INFO] [stdout]     |       ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]    --> src/closure/borrowed.rs:175:11
[INFO] [stdout]     |
[INFO] [stdout] 175 | #[cfg(not(docs))]
[INFO] [stdout]     |           ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]    --> src/closure/borrowed.rs:191:7
[INFO] [stdout]     |
[INFO] [stdout] 191 | #[cfg(docs)]
[INFO] [stdout]     |       ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]    --> src/slice.rs:100:24
[INFO] [stdout]     |
[INFO] [stdout] 100 |         #[cfg_attr(all(docs, feature = "nightly"), doc(cfg(feature = "alloc")))]
[INFO] [stdout]     |                        ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]   --> src/string/_mod.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 |         #[cfg_attr(all(docs, feature = "nightly"), doc(cfg(feature = "alloc")))]
[INFO] [stdout]    |                        ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]  --> src/string/slice.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 |         #[cfg_attr(all(docs, feature = "nightly"), doc(cfg(feature = "alloc")))]
[INFO] [stdout]   |                        ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]   --> src/tuple.rs:79:11
[INFO] [stdout]    |
[INFO] [stdout] 79 | #[cfg(not(docs))]
[INFO] [stdout]    |           ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]    --> src/tuple.rs:103:11
[INFO] [stdout]     |
[INFO] [stdout] 103 | #[cfg(not(docs))]
[INFO] [stdout]     |           ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]    --> src/tuple.rs:115:11
[INFO] [stdout]     |
[INFO] [stdout] 115 | #[cfg(not(docs))]
[INFO] [stdout]     |           ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]    --> src/tuple.rs:127:11
[INFO] [stdout]     |
[INFO] [stdout] 127 | #[cfg(not(docs))]
[INFO] [stdout]     |           ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]    --> src/tuple.rs:140:11
[INFO] [stdout]     |
[INFO] [stdout] 140 | #[cfg(not(docs))]
[INFO] [stdout]     |           ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]  --> src/vec.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[cfg_attr(all(docs, feature = "nightly"), doc(cfg(feature = "alloc")))]
[INFO] [stdout]   |                    ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]    --> src/layout/macros.rs:360:17
[INFO] [stdout]     |
[INFO] [stdout] 360 | #[cfg(any(test, docs))]
[INFO] [stdout]     |                 ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]    --> src/layout/impls.rs:80:15
[INFO] [stdout]     |
[INFO] [stdout] 80  |         #[cfg(docs)] impl_CTypes! { @fns (A1, A2) } #[cfg(not(docs))]
[INFO] [stdout]     |               ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout] ...
[INFO] [stdout] 748 | } impl_CTypes! {} };
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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 `impl_CTypes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `docs`
[INFO] [stdout]    --> src/layout/impls.rs:80:63
[INFO] [stdout]     |
[INFO] [stdout] 80  |         #[cfg(docs)] impl_CTypes! { @fns (A1, A2) } #[cfg(not(docs))]
[INFO] [stdout]     |                                                               ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout] ...
[INFO] [stdout] 748 | } impl_CTypes! {} };
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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 `impl_CTypes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `docs`
[INFO] [stdout]    --> src/layout/impls.rs:84:15
[INFO] [stdout]     |
[INFO] [stdout] 84  |         #[cfg(docs)] impl_CTypes! { @arrays 1 2 } #[cfg(not(docs))]
[INFO] [stdout]     |               ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout] ...
[INFO] [stdout] 748 | } impl_CTypes! {} };
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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 `impl_CTypes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `docs`
[INFO] [stdout]    --> src/layout/impls.rs:84:61
[INFO] [stdout]     |
[INFO] [stdout] 84  |         #[cfg(docs)] impl_CTypes! { @arrays 1 2 } #[cfg(not(docs))]
[INFO] [stdout]     |                                                             ^^^^ help: there is a config with a similar name: `doc`
[INFO] [stdout] ...
[INFO] [stdout] 748 | } impl_CTypes! {} };
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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 `impl_CTypes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `docs`
[INFO] [stdout]   --> src/closure/mod.rs:81:11
[INFO] [stdout]    |
[INFO] [stdout] 81 | #[cfg(not(docs))]
[INFO] [stdout]    |           ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]   --> src/closure/mod.rs:63:15
[INFO] [stdout]    |
[INFO] [stdout] 63 |     #[cfg(not(docs))]
[INFO] [stdout]    |               ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]    --> src/closure/arc.rs:275:11
[INFO] [stdout]     |
[INFO] [stdout] 275 | #[cfg(not(docs))]
[INFO] [stdout]     |           ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]    --> src/closure/arc.rs:291:7
[INFO] [stdout]     |
[INFO] [stdout] 291 | #[cfg(docs)]
[INFO] [stdout]     |       ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]    --> src/closure/boxed.rs:218:11
[INFO] [stdout]     |
[INFO] [stdout] 218 | #[cfg(not(docs))]
[INFO] [stdout]     |           ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]    --> src/closure/boxed.rs:234:7
[INFO] [stdout]     |
[INFO] [stdout] 234 | #[cfg(docs)]
[INFO] [stdout]     |       ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]    --> src/closure/borrowed.rs:175:11
[INFO] [stdout]     |
[INFO] [stdout] 175 | #[cfg(not(docs))]
[INFO] [stdout]     |           ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]    --> src/closure/borrowed.rs:191:7
[INFO] [stdout]     |
[INFO] [stdout] 191 | #[cfg(docs)]
[INFO] [stdout]     |       ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]    --> src/slice.rs:100:24
[INFO] [stdout]     |
[INFO] [stdout] 100 |         #[cfg_attr(all(docs, feature = "nightly"), doc(cfg(feature = "alloc")))]
[INFO] [stdout]     |                        ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]   --> src/string/_mod.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 |         #[cfg_attr(all(docs, feature = "nightly"), doc(cfg(feature = "alloc")))]
[INFO] [stdout]    |                        ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]  --> src/string/slice.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 |         #[cfg_attr(all(docs, feature = "nightly"), doc(cfg(feature = "alloc")))]
[INFO] [stdout]   |                        ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]   --> src/tuple.rs:79:11
[INFO] [stdout]    |
[INFO] [stdout] 79 | #[cfg(not(docs))]
[INFO] [stdout]    |           ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]    --> src/tuple.rs:103:11
[INFO] [stdout]     |
[INFO] [stdout] 103 | #[cfg(not(docs))]
[INFO] [stdout]     |           ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]    --> src/tuple.rs:115:11
[INFO] [stdout]     |
[INFO] [stdout] 115 | #[cfg(not(docs))]
[INFO] [stdout]     |           ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]    --> src/tuple.rs:127:11
[INFO] [stdout]     |
[INFO] [stdout] 127 | #[cfg(not(docs))]
[INFO] [stdout]     |           ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]    --> src/tuple.rs:140:11
[INFO] [stdout]     |
[INFO] [stdout] 140 | #[cfg(not(docs))]
[INFO] [stdout]     |           ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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: `docs`
[INFO] [stdout]  --> src/vec.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[cfg_attr(all(docs, feature = "nightly"), doc(cfg(feature = "alloc")))]
[INFO] [stdout]   |                    ^^^^ help: there is a config with a similar name: `doc`
[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(docs)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs)");` 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] error: `#[::safer_ffi::derive_ReprC]`: expected `rename` or `js`
[INFO] [stdout]  --> tests/dyn_traits.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive_ReprC(dyn)]
[INFO] [stdout]   |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[::safer_ffi::derive_ReprC]`: expected `rename` or `js`
[INFO] [stdout]   --> tests/dyn_traits.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[derive_ReprC(dyn)]
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[::safer_ffi::derive_ReprC]`: expected `rename` or `js`
[INFO] [stdout]   --> tests/dyn_traits.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 31 | #[derive_ReprC(dyn)]
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[::safer_ffi::derive_ReprC]`: expected `rename` or `js`
[INFO] [stdout]   --> tests/dyn_traits.rs:46:16
[INFO] [stdout]    |
[INFO] [stdout] 46 | #[derive_ReprC(dyn, Clone)]
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `FfiFnMut` in this scope
[INFO] [stdout]   --> tests/dyn_traits.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<T : FnMut()> FfiFnMut for T {
[INFO] [stdout]    |                   ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `VirtualPtr` in this scope
[INFO] [stdout]   --> tests/dyn_traits.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn call (mut f: VirtualPtr<dyn '_ + FfiFnMut>)
[INFO] [stdout]    |                 ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `FfiFnMut` in this scope
[INFO] [stdout]   --> tests/dyn_traits.rs:19:37
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn call (mut f: VirtualPtr<dyn '_ + FfiFnMut>)
[INFO] [stdout]    |                                     ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Example` in this scope
[INFO] [stdout]   --> tests/dyn_traits.rs:36:26
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn _example<'r, T : 'r + Example> (owned: T, r: &'r T, m: &'r mut T)
[INFO] [stdout]    |                          ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `VirtualPtr` in this scope
[INFO] [stdout]   --> tests/dyn_traits.rs:38:16
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let owned: VirtualPtr<dyn 'r + Example> = Box::new(owned).into();
[INFO] [stdout]    |                ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Example` in this scope
[INFO] [stdout]   --> tests/dyn_traits.rs:38:36
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let owned: VirtualPtr<dyn 'r + Example> = Box::new(owned).into();
[INFO] [stdout]    |                                    ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `VirtualPtr` in this scope
[INFO] [stdout]   --> tests/dyn_traits.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let r: VirtualPtr<dyn 'r + Example> = r.into();
[INFO] [stdout]    |            ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Example` in this scope
[INFO] [stdout]   --> tests/dyn_traits.rs:40:32
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let r: VirtualPtr<dyn 'r + Example> = r.into();
[INFO] [stdout]    |                                ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `VirtualPtr` in this scope
[INFO] [stdout]   --> tests/dyn_traits.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let m: VirtualPtr<dyn 'r + Example> = m.into();
[INFO] [stdout]    |            ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Example` in this scope
[INFO] [stdout]   --> tests/dyn_traits.rs:42:32
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let m: VirtualPtr<dyn 'r + Example> = m.into();
[INFO] [stdout]    |                                ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Cloneable` in this scope
[INFO] [stdout]   --> tests/dyn_traits.rs:51:28
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn _cloneable<'r, T : 'r + Cloneable + Clone> (owned: T, r: &'r T)
[INFO] [stdout]    |                            ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `VirtualPtr` in this scope
[INFO] [stdout]   --> tests/dyn_traits.rs:53:16
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let owned: VirtualPtr<dyn 'r + Cloneable> = Box::new(owned).into();
[INFO] [stdout]    |                ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Cloneable` in this scope
[INFO] [stdout]   --> tests/dyn_traits.rs:53:36
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let owned: VirtualPtr<dyn 'r + Cloneable> = Box::new(owned).into();
[INFO] [stdout]    |                                    ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `VirtualPtr` in this scope
[INFO] [stdout]   --> tests/dyn_traits.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let owned2: VirtualPtr<dyn 'r + Cloneable> = owned.clone();
[INFO] [stdout]    |                 ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Cloneable` in this scope
[INFO] [stdout]   --> tests/dyn_traits.rs:54:37
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let owned2: VirtualPtr<dyn 'r + Cloneable> = owned.clone();
[INFO] [stdout]    |                                     ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `VirtualPtr` in this scope
[INFO] [stdout]   --> tests/dyn_traits.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let r: VirtualPtr<dyn 'r + Cloneable> = r.into();
[INFO] [stdout]    |            ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Cloneable` in this scope
[INFO] [stdout]   --> tests/dyn_traits.rs:57:32
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let r: VirtualPtr<dyn 'r + Cloneable> = r.into();
[INFO] [stdout]    |                                ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `VirtualPtr` in this scope
[INFO] [stdout]   --> tests/dyn_traits.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let r2: VirtualPtr<dyn 'r + Cloneable> = r.clone();
[INFO] [stdout]    |             ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Cloneable` in this scope
[INFO] [stdout]   --> tests/dyn_traits.rs:58:33
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let r2: VirtualPtr<dyn 'r + Cloneable> = r.clone();
[INFO] [stdout]    |                                 ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0412.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `safer-ffi` (test "dyn_traits") due to 23 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6967afb6aa2430a5068d513efb34cb58d6342f72b7d28addf30fcfbf16e9dd4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6967afb6aa2430a5068d513efb34cb58d6342f72b7d28addf30fcfbf16e9dd4b", kill_on_drop: false }`
[INFO] [stdout] 6967afb6aa2430a5068d513efb34cb58d6342f72b7d28addf30fcfbf16e9dd4b
