[INFO] fetching crate string-utility 0.2.1...
[INFO] checking string-utility-0.2.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate string-utility 0.2.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate string-utility 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate string-utility 0.2.1
[INFO] tweaked toml for crates.io crate string-utility 0.2.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate string-utility 0.2.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate string-utility 0.2.1 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5237afd23cfedfd064ffe2f7d769b11f187322bd3c345b83dd77572eac12ae6d
[INFO] running `Command { std: "docker" "start" "-a" "5237afd23cfedfd064ffe2f7d769b11f187322bd3c345b83dd77572eac12ae6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5237afd23cfedfd064ffe2f7d769b11f187322bd3c345b83dd77572eac12ae6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5237afd23cfedfd064ffe2f7d769b11f187322bd3c345b83dd77572eac12ae6d", kill_on_drop: false }`
[INFO] [stdout] 5237afd23cfedfd064ffe2f7d769b11f187322bd3c345b83dd77572eac12ae6d
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9eab345737c989227703377262999f4601eb79f6ea402d56b6bbdb93f245a18a
[INFO] running `Command { std: "docker" "start" "-a" "9eab345737c989227703377262999f4601eb79f6ea402d56b6bbdb93f245a18a", kill_on_drop: false }`
[INFO] [stderr]     Checking string-utility v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `regex`
[INFO] [stdout]    --> src/lib.rs:370:7
[INFO] [stdout]     |
[INFO] [stdout] 370 | #[cfg(feature = "regex")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`
[INFO] [stdout]     = help: consider adding `regex` as a feature in `Cargo.toml`
[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 value: `regex`
[INFO] [stdout]   --> src/lib.rs:34:11
[INFO] [stdout]    |
[INFO] [stdout] 34 |     #[cfg(feature = "regex")]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`
[INFO] [stdout]    = help: consider adding `regex` as a feature in `Cargo.toml`
[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 value: `regex`
[INFO] [stdout]   --> src/lib.rs:37:11
[INFO] [stdout]    |
[INFO] [stdout] 37 |     #[cfg(feature = "regex")]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`
[INFO] [stdout]    = help: consider adding `regex` as a feature in `Cargo.toml`
[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 value: `regex`
[INFO] [stdout]   --> src/lib.rs:40:11
[INFO] [stdout]    |
[INFO] [stdout] 40 |     #[cfg(feature = "regex")]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`
[INFO] [stdout]    = help: consider adding `regex` as a feature in `Cargo.toml`
[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 value: `regex`
[INFO] [stdout]    --> src/lib.rs:178:11
[INFO] [stdout]     |
[INFO] [stdout] 178 |     #[cfg(feature = "regex")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`
[INFO] [stdout]     = help: consider adding `regex` as a feature in `Cargo.toml`
[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 value: `regex`
[INFO] [stdout]    --> src/lib.rs:184:11
[INFO] [stdout]     |
[INFO] [stdout] 184 |     #[cfg(feature = "regex")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`
[INFO] [stdout]     = help: consider adding `regex` as a feature in `Cargo.toml`
[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 value: `regex`
[INFO] [stdout]    --> src/lib.rs:190:11
[INFO] [stdout]     |
[INFO] [stdout] 190 |     #[cfg(feature = "regex")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`
[INFO] [stdout]     = help: consider adding `regex` as a feature in `Cargo.toml`
[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 value: `regex`
[INFO] [stdout]    --> src/lib.rs:370:7
[INFO] [stdout]     |
[INFO] [stdout] 370 | #[cfg(feature = "regex")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`
[INFO] [stdout]     = help: consider adding `regex` as a feature in `Cargo.toml`
[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 value: `regex`
[INFO] [stdout]    --> src/lib.rs:742:7
[INFO] [stdout]     |
[INFO] [stdout] 742 | #[cfg(feature = "regex")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`
[INFO] [stdout]     = help: consider adding `regex` as a feature in `Cargo.toml`
[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 value: `regex`
[INFO] [stdout]   --> src/lib.rs:34:11
[INFO] [stdout]    |
[INFO] [stdout] 34 |     #[cfg(feature = "regex")]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`
[INFO] [stdout]    = help: consider adding `regex` as a feature in `Cargo.toml`
[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 value: `regex`
[INFO] [stdout]   --> src/lib.rs:37:11
[INFO] [stdout]    |
[INFO] [stdout] 37 |     #[cfg(feature = "regex")]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`
[INFO] [stdout]    = help: consider adding `regex` as a feature in `Cargo.toml`
[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 value: `regex`
[INFO] [stdout]   --> src/lib.rs:40:11
[INFO] [stdout]    |
[INFO] [stdout] 40 |     #[cfg(feature = "regex")]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`
[INFO] [stdout]    = help: consider adding `regex` as a feature in `Cargo.toml`
[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 value: `regex`
[INFO] [stdout]    --> src/lib.rs:178:11
[INFO] [stdout]     |
[INFO] [stdout] 178 |     #[cfg(feature = "regex")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`
[INFO] [stdout]     = help: consider adding `regex` as a feature in `Cargo.toml`
[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 value: `regex`
[INFO] [stdout]    --> src/lib.rs:184:11
[INFO] [stdout]     |
[INFO] [stdout] 184 |     #[cfg(feature = "regex")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`
[INFO] [stdout]     = help: consider adding `regex` as a feature in `Cargo.toml`
[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 value: `regex`
[INFO] [stdout]    --> src/lib.rs:190:11
[INFO] [stdout]     |
[INFO] [stdout] 190 |     #[cfg(feature = "regex")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`
[INFO] [stdout]     = help: consider adding `regex` as a feature in `Cargo.toml`
[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 0.66s
[INFO] running `Command { std: "docker" "inspect" "9eab345737c989227703377262999f4601eb79f6ea402d56b6bbdb93f245a18a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eab345737c989227703377262999f4601eb79f6ea402d56b6bbdb93f245a18a", kill_on_drop: false }`
[INFO] [stdout] 9eab345737c989227703377262999f4601eb79f6ea402d56b6bbdb93f245a18a