[INFO] fetching crate spirt 0.3.1...
[INFO] testing spirt-0.3.1 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate spirt 0.3.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate spirt 0.3.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate spirt 0.3.1
[INFO] tweaked toml for crates.io crate spirt 0.3.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate spirt 0.3.1 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate spirt 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded elsa v1.11.2
[INFO] [stderr]   Downloaded internal-iterator v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9cedca2088b544d2a799cf8bc429d66477bb12e01b969214249f1c314f6ff1bd
[INFO] running `Command { std: "docker" "start" "-a" "9cedca2088b544d2a799cf8bc429d66477bb12e01b969214249f1c314f6ff1bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cedca2088b544d2a799cf8bc429d66477bb12e01b969214249f1c314f6ff1bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cedca2088b544d2a799cf8bc429d66477bb12e01b969214249f1c314f6ff1bd", kill_on_drop: false }`
[INFO] [stdout] 9cedca2088b544d2a799cf8bc429d66477bb12e01b969214249f1c314f6ff1bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00570592eb9a398fc3c2fc19ca53e00027765cfa463810bd1c9b050410cde170
[INFO] running `Command { std: "docker" "start" "-a" "00570592eb9a398fc3c2fc19ca53e00027765cfa463810bd1c9b050410cde170", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling spirt v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling longest-increasing-subsequence v0.1.0
[INFO] [stderr]    Compiling internal-iterator v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling elsa v1.11.2
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stdout] warning: unexpected `cfg` condition name: `git_main_docs`
[INFO] [stdout]   --> src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     git_main_docs,
[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(git_main_docs)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(git_main_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: `git_main_docs`
[INFO] [stdout]   --> src/lib.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |     any(docsrs, git_main_docs),
[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(git_main_docs)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(git_main_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: `git_main_docs`
[INFO] [stdout]   --> src/lib.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 |     not(any(docsrs, git_main_docs)),
[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(git_main_docs)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(git_main_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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.15s
[INFO] running `Command { std: "docker" "inspect" "00570592eb9a398fc3c2fc19ca53e00027765cfa463810bd1c9b050410cde170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00570592eb9a398fc3c2fc19ca53e00027765cfa463810bd1c9b050410cde170", kill_on_drop: false }`
[INFO] [stdout] 00570592eb9a398fc3c2fc19ca53e00027765cfa463810bd1c9b050410cde170
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a20f1e4c72ef6e2fbeab09d2f111ddd75e7c8a22e6f1b29852c042101cb46cc
[INFO] running `Command { std: "docker" "start" "-a" "4a20f1e4c72ef6e2fbeab09d2f111ddd75e7c8a22e6f1b29852c042101cb46cc", kill_on_drop: false }`
[INFO] [stdout] warning: unexpected `cfg` condition name: `git_main_docs`
[INFO] [stdout]   --> src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     git_main_docs,
[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(git_main_docs)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(git_main_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: `git_main_docs`
[INFO] [stdout]   --> src/lib.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |     any(docsrs, git_main_docs),
[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(git_main_docs)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(git_main_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: `git_main_docs`
[INFO] [stdout]   --> src/lib.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 |     not(any(docsrs, git_main_docs)),
[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(git_main_docs)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(git_main_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] [stderr]    Compiling spirt v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `git_main_docs`
[INFO] [stdout]   --> src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     git_main_docs,
[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(git_main_docs)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(git_main_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: `git_main_docs`
[INFO] [stdout]   --> src/lib.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |     any(docsrs, git_main_docs),
[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(git_main_docs)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(git_main_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: `git_main_docs`
[INFO] [stdout]   --> src/lib.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 |     not(any(docsrs, git_main_docs)),
[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(git_main_docs)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(git_main_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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.18s
[INFO] running `Command { std: "docker" "inspect" "4a20f1e4c72ef6e2fbeab09d2f111ddd75e7c8a22e6f1b29852c042101cb46cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a20f1e4c72ef6e2fbeab09d2f111ddd75e7c8a22e6f1b29852c042101cb46cc", kill_on_drop: false }`
[INFO] [stdout] 4a20f1e4c72ef6e2fbeab09d2f111ddd75e7c8a22e6f1b29852c042101cb46cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a3c34abeaf79e513a0a4f8af6f58978ff4612572c13190881ec35778865ea345
[INFO] running `Command { std: "docker" "start" "-a" "a3c34abeaf79e513a0a4f8af6f58978ff4612572c13190881ec35778865ea345", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition name: `git_main_docs`
[INFO] [stderr]   --> src/lib.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     git_main_docs,
[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(git_main_docs)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(git_main_docs)");` 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: `git_main_docs`
[INFO] [stderr]   --> src/lib.rs:36:17
[INFO] [stderr]    |
[INFO] [stderr] 36 |     any(docsrs, git_main_docs),
[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(git_main_docs)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(git_main_docs)");` 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: `git_main_docs`
[INFO] [stderr]   --> src/lib.rs:41:21
[INFO] [stderr]    |
[INFO] [stderr] 41 |     not(any(docsrs, git_main_docs)),
[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(git_main_docs)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(git_main_docs)");` 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: `spirt` (lib) generated 3 warnings
[INFO] [stderr] warning: `spirt` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/spirt-c9036a9de00e8990)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test spv::spec::get_spec_and_all_ext_inst_sets ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests spirt
[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] running `Command { std: "docker" "inspect" "a3c34abeaf79e513a0a4f8af6f58978ff4612572c13190881ec35778865ea345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3c34abeaf79e513a0a4f8af6f58978ff4612572c13190881ec35778865ea345", kill_on_drop: false }`
[INFO] [stdout] a3c34abeaf79e513a0a4f8af6f58978ff4612572c13190881ec35778865ea345
