[INFO] fetching crate stockbook-stamp-macro 0.3.0... [INFO] testing stockbook-stamp-macro-0.3.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate stockbook-stamp-macro 0.3.0 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate stockbook-stamp-macro 0.3.0 [INFO] finished tweaking crates.io crate stockbook-stamp-macro 0.3.0 [INFO] tweaked toml for crates.io crate stockbook-stamp-macro 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate stockbook-stamp-macro 0.3.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 39 packages to latest compatible versions [INFO] [stderr] Adding image v0.24.9 (available: v0.25.7) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.106) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f109c773568c386c5ab9168a7308339d1f82750df24b31cc1005b8b240aebfa4 [INFO] running `Command { std: "docker" "start" "-a" "f109c773568c386c5ab9168a7308339d1f82750df24b31cc1005b8b240aebfa4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f109c773568c386c5ab9168a7308339d1f82750df24b31cc1005b8b240aebfa4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f109c773568c386c5ab9168a7308339d1f82750df24b31cc1005b8b240aebfa4", kill_on_drop: false }` [INFO] [stdout] f109c773568c386c5ab9168a7308339d1f82750df24b31cc1005b8b240aebfa4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9b508aff21f4b04b5527da9c0b765ec78469591cd649ad5d312c84a689baa2a9 [INFO] running `Command { std: "docker" "start" "-a" "9b508aff21f4b04b5527da9c0b765ec78469591cd649ad5d312c84a689baa2a9", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling simd-adler32 v0.3.7 [INFO] [stderr] Compiling cfg-if v1.0.3 [INFO] [stderr] Compiling rayon-core v1.13.0 [INFO] [stderr] Compiling adler2 v2.0.1 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling weezl v0.1.10 [INFO] [stderr] Compiling bytemuck v1.23.2 [INFO] [stderr] Compiling color_quant v1.1.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling bit_field v0.10.3 [INFO] [stderr] Compiling crc32fast v1.5.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling lebe v0.5.2 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling smallvec v1.15.1 [INFO] [stderr] Compiling half v2.6.0 [INFO] [stderr] Compiling stockbook-stamp-macro v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling miniz_oxide v0.8.9 [INFO] [stderr] Compiling fdeflate v0.3.7 [INFO] [stderr] Compiling zune-inflate v0.2.54 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling gif v0.13.3 [INFO] [stderr] Compiling qoi v0.4.1 [INFO] [stderr] Compiling crossbeam-deque v0.8.6 [INFO] [stderr] Compiling flate2 v1.1.2 [INFO] [stderr] Compiling rayon v1.11.0 [INFO] [stderr] Compiling exr v1.73.0 [INFO] [stderr] Compiling png v0.17.16 [INFO] [stderr] Compiling jpeg-decoder v0.3.2 [INFO] [stderr] Compiling tiff v0.9.1 [INFO] [stderr] Compiling image v0.24.9 [INFO] [stdout] warning: unexpected `cfg` condition name: `use_unstable_features` [INFO] [stdout] --> src/lib.rs:1:13 [INFO] [stdout] | [INFO] [stdout] 1 | #![cfg_attr(use_unstable_features, feature(track_path))] [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(use_unstable_features)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(use_unstable_features)");` to the top of the `build.rs` [INFO] [stdout] = note: see 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: `use_unstable_features` [INFO] [stdout] --> src/lib.rs:164:11 [INFO] [stdout] | [INFO] [stdout] 164 | #[cfg(use_unstable_features)] [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(use_unstable_features)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(use_unstable_features)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `use_unstable_features` [INFO] [stdout] --> src/lib.rs:167:15 [INFO] [stdout] | [INFO] [stdout] 167 | #[cfg(not(use_unstable_features))] [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(use_unstable_features)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(use_unstable_features)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.22s [INFO] running `Command { std: "docker" "inspect" "9b508aff21f4b04b5527da9c0b765ec78469591cd649ad5d312c84a689baa2a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b508aff21f4b04b5527da9c0b765ec78469591cd649ad5d312c84a689baa2a9", kill_on_drop: false }` [INFO] [stdout] 9b508aff21f4b04b5527da9c0b765ec78469591cd649ad5d312c84a689baa2a9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 45bfe5a88ab33b1b2b03e1fb8fac575b0ed016e6c54ae13f7f2122b8e84e0230 [INFO] running `Command { std: "docker" "start" "-a" "45bfe5a88ab33b1b2b03e1fb8fac575b0ed016e6c54ae13f7f2122b8e84e0230", kill_on_drop: false }` [INFO] [stderr] Compiling stockbook-stamp-macro v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `use_unstable_features` [INFO] [stdout] --> src/lib.rs:1:13 [INFO] [stdout] | [INFO] [stdout] 1 | #![cfg_attr(use_unstable_features, feature(track_path))] [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(use_unstable_features)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(use_unstable_features)");` to the top of the `build.rs` [INFO] [stdout] = note: see 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: `use_unstable_features` [INFO] [stdout] --> src/lib.rs:164:11 [INFO] [stdout] | [INFO] [stdout] 164 | #[cfg(use_unstable_features)] [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(use_unstable_features)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(use_unstable_features)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `use_unstable_features` [INFO] [stdout] --> src/lib.rs:167:15 [INFO] [stdout] | [INFO] [stdout] 167 | #[cfg(not(use_unstable_features))] [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(use_unstable_features)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(use_unstable_features)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `use_unstable_features` [INFO] [stdout] --> src/lib.rs:1:13 [INFO] [stdout] | [INFO] [stdout] 1 | #![cfg_attr(use_unstable_features, feature(track_path))] [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(use_unstable_features)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(use_unstable_features)");` to the top of the `build.rs` [INFO] [stdout] = note: see 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: `use_unstable_features` [INFO] [stdout] --> src/lib.rs:164:11 [INFO] [stdout] | [INFO] [stdout] 164 | #[cfg(use_unstable_features)] [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(use_unstable_features)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(use_unstable_features)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `use_unstable_features` [INFO] [stdout] --> src/lib.rs:167:15 [INFO] [stdout] | [INFO] [stdout] 167 | #[cfg(not(use_unstable_features))] [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(use_unstable_features)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(use_unstable_features)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `Command { std: "docker" "inspect" "45bfe5a88ab33b1b2b03e1fb8fac575b0ed016e6c54ae13f7f2122b8e84e0230", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45bfe5a88ab33b1b2b03e1fb8fac575b0ed016e6c54ae13f7f2122b8e84e0230", kill_on_drop: false }` [INFO] [stdout] 45bfe5a88ab33b1b2b03e1fb8fac575b0ed016e6c54ae13f7f2122b8e84e0230 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 858b191b2aaffabc831bb7ace738c16aa7a59a723ee8ab49b6650888a94444c3 [INFO] running `Command { std: "docker" "start" "-a" "858b191b2aaffabc831bb7ace738c16aa7a59a723ee8ab49b6650888a94444c3", kill_on_drop: false }` [INFO] [stderr] warning: unexpected `cfg` condition name: `use_unstable_features` [INFO] [stderr] --> src/lib.rs:1:13 [INFO] [stderr] | [INFO] [stderr] 1 | #![cfg_attr(use_unstable_features, feature(track_path))] [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(use_unstable_features)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(use_unstable_features)");` to the top of the `build.rs` [INFO] [stderr] = note: see 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: `use_unstable_features` [INFO] [stderr] --> src/lib.rs:164:11 [INFO] [stderr] | [INFO] [stderr] 164 | #[cfg(use_unstable_features)] [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(use_unstable_features)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(use_unstable_features)");` to the top of the `build.rs` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition name: `use_unstable_features` [INFO] [stderr] --> src/lib.rs:167:15 [INFO] [stderr] | [INFO] [stderr] 167 | #[cfg(not(use_unstable_features))] [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(use_unstable_features)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(use_unstable_features)");` to the top of the `build.rs` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] [INFO] [stderr] warning: `stockbook-stamp-macro` (lib) generated 3 warnings [INFO] [stderr] warning: `stockbook-stamp-macro` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stockbook_stamp_macro-60975aa4990bc79d) [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] Doc-tests stockbook_stamp_macro [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - stamp (line 34) ... ignored [INFO] [stdout] test src/lib.rs - stamp (line 52) ... ignored [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "858b191b2aaffabc831bb7ace738c16aa7a59a723ee8ab49b6650888a94444c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "858b191b2aaffabc831bb7ace738c16aa7a59a723ee8ab49b6650888a94444c3", kill_on_drop: false }` [INFO] [stdout] 858b191b2aaffabc831bb7ace738c16aa7a59a723ee8ab49b6650888a94444c3