[INFO] fetching crate utah 0.1.2...
[INFO] testing utah-0.1.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate utah 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate utah 0.1.2
[INFO] finished tweaking crates.io crate utah 0.1.2
[INFO] tweaked toml for crates.io crate utah 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate utah 0.1.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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 csv v0.14.7 (available: v1.3.1)
[INFO] [stderr]       Adding error-chain v0.7.2 (available: v0.12.4)
[INFO] [stderr]       Adding itertools v0.5.10 (available: v0.14.0)
[INFO] [stderr]       Adding ndarray v0.7.3 (available: v0.16.1)
[INFO] [stderr]       Adding ndarray-rand v0.3.1 (available: v0.15.0)
[INFO] [stderr]       Adding num v0.1.43 (available: v0.4.3)
[INFO] [stderr]       Adding rand v0.3.23 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: unused manifest key: package.respository
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-bigint v0.1.45
[INFO] [stderr]   Downloaded byteorder v0.5.3
[INFO] [stderr]   Downloaded error-chain v0.7.2
[INFO] [stderr]   Downloaded ndarray v0.7.3
[INFO] [stderr]   Downloaded num-rational v0.1.43
[INFO] [stderr]   Downloaded rustc-serialize v0.3.25
[INFO] [stderr]   Downloaded ndarray-rand v0.3.1
[INFO] [stderr]   Downloaded csv v0.14.7
[INFO] [stderr]   Downloaded num v0.1.43
[INFO] [stderr]   Downloaded num-complex v0.1.44
[INFO] [stderr]   Downloaded itertools v0.5.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a940b44ff4cbb8eba896620b1899f4a4295f74b125f33f3f0973244a4d01d592
[INFO] running `Command { std: "docker" "start" "-a" "a940b44ff4cbb8eba896620b1899f4a4295f74b125f33f3f0973244a4d01d592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a940b44ff4cbb8eba896620b1899f4a4295f74b125f33f3f0973244a4d01d592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a940b44ff4cbb8eba896620b1899f4a4295f74b125f33f3f0973244a4d01d592", kill_on_drop: false }`
[INFO] [stdout] a940b44ff4cbb8eba896620b1899f4a4295f74b125f33f3f0973244a4d01d592
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eef1c996758f667b93d173864c7f865ee551854a1c34f91deab686ccd4b4d651
[INFO] running `Command { std: "docker" "start" "-a" "eef1c996758f667b93d173864c7f865ee551854a1c34f91deab686ccd4b4d651", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: unused manifest key: package.respository
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling num-complex v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.1.45
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling num-rational v0.1.43
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling ndarray v0.7.3
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling csv v0.14.7
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling num v0.1.43
[INFO] [stderr]    Compiling ndarray-rand v0.3.1
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling error-chain v0.7.2
[INFO] [stderr]    Compiling utah v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find derive macro `RustcDecodable` in this scope
[INFO] [stdout]   --> src/mixedtypes.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(RustcDecodable, Hash, PartialOrd, PartialEq, Eq , Ord , Clone,  Debug)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcDecodable` in this scope
[INFO] [stdout]   --> src/mixedtypes.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[derive(RustcDecodable,Clone, Debug)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 | #![cfg_attr(nightly,test)]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:170:13
[INFO] [stdout]     |
[INFO] [stdout] 170 | #![cfg_attr(nightly,custom_derive)]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:171:13
[INFO] [stdout]     |
[INFO] [stdout] 171 | #![cfg_attr(nightly,stmt_expr_attributes)]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:172:13
[INFO] [stdout]     |
[INFO] [stdout] 172 | #![cfg_attr(nightly,specialization)]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:181:7
[INFO] [stdout]     |
[INFO] [stdout] 181 | #[cfg(nightly)]
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]    --> src/lib.rs:175:1
[INFO] [stdout]     |
[INFO] [stdout] 175 | #[macro_use]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]    --> src/lib.rs:184:1
[INFO] [stdout]     |
[INFO] [stdout] 184 | #[macro_use]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/combinators/process.rs:343:75
[INFO] [stdout]     |
[INFO] [stdout] 343 |         let d = Array::from_shape_vec((nrows, ncols), c).unwrap().map(|x| ((*x).clone()));
[INFO] [stdout]     |                                                                           ^            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 343 -         let d = Array::from_shape_vec((nrows, ncols), c).unwrap().map(|x| ((*x).clone()));
[INFO] [stdout] 343 +         let d = Array::from_shape_vec((nrows, ncols), c).unwrap().map(|x| (*x).clone());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/combinators/process.rs:376:70
[INFO] [stdout]     |
[INFO] [stdout] 376 |         Ok(Array::from_shape_vec((nrows, ncols), c).unwrap().map(|x| ((*x).clone())))
[INFO] [stdout]     |                                                                      ^            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 376 -         Ok(Array::from_shape_vec((nrows, ncols), c).unwrap().map(|x| ((*x).clone())))
[INFO] [stdout] 376 +         Ok(Array::from_shape_vec((nrows, ncols), c).unwrap().map(|x| (*x).clone()))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/combinators/process.rs:386:39
[INFO] [stdout]     |
[INFO] [stdout] 386 |         Ok(Array::from_vec(c).map(|x| ((*x).clone())))
[INFO] [stdout]     |                                       ^            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 386 -         Ok(Array::from_vec(c).map(|x| ((*x).clone())))
[INFO] [stdout] 386 +         Ok(Array::from_vec(c).map(|x| (*x).clone()))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/combinators/process.rs:414:75
[INFO] [stdout]     |
[INFO] [stdout] 414 |         let d = Array::from_shape_vec((nrows, ncols), c).unwrap().map(|x| ((*x).clone()));
[INFO] [stdout]     |                                                                           ^            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 414 -         let d = Array::from_shape_vec((nrows, ncols), c).unwrap().map(|x| ((*x).clone()));
[INFO] [stdout] 414 +         let d = Array::from_shape_vec((nrows, ncols), c).unwrap().map(|x| (*x).clone());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/combinators/process.rs:448:70
[INFO] [stdout]     |
[INFO] [stdout] 448 |         Ok(Array::from_shape_vec((nrows, ncols), c).unwrap().map(|x| ((*x).clone())))
[INFO] [stdout]     |                                                                      ^            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 448 -         Ok(Array::from_shape_vec((nrows, ncols), c).unwrap().map(|x| ((*x).clone())))
[INFO] [stdout] 448 +         Ok(Array::from_shape_vec((nrows, ncols), c).unwrap().map(|x| (*x).clone()))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/combinators/process.rs:456:39
[INFO] [stdout]     |
[INFO] [stdout] 456 |         Ok(Array::from_vec(c).map(|x| ((*x).clone())))
[INFO] [stdout]     |                                       ^            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 456 -         Ok(Array::from_vec(c).map(|x| ((*x).clone())))
[INFO] [stdout] 456 +         Ok(Array::from_vec(c).map(|x| (*x).clone()))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/combinators/process.rs:487:75
[INFO] [stdout]     |
[INFO] [stdout] 487 |         let d = Array::from_shape_vec((nrows, ncols), c).unwrap().map(|x| ((*x).clone()));
[INFO] [stdout]     |                                                                           ^            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 487 -         let d = Array::from_shape_vec((nrows, ncols), c).unwrap().map(|x| ((*x).clone()));
[INFO] [stdout] 487 +         let d = Array::from_shape_vec((nrows, ncols), c).unwrap().map(|x| (*x).clone());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/combinators/process.rs:521:70
[INFO] [stdout]     |
[INFO] [stdout] 521 |         Ok(Array::from_shape_vec((nrows, ncols), c).unwrap().map(|x| ((*x).clone())))
[INFO] [stdout]     |                                                                      ^            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 521 -         Ok(Array::from_shape_vec((nrows, ncols), c).unwrap().map(|x| ((*x).clone())))
[INFO] [stdout] 521 +         Ok(Array::from_shape_vec((nrows, ncols), c).unwrap().map(|x| (*x).clone()))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/combinators/process.rs:529:39
[INFO] [stdout]     |
[INFO] [stdout] 529 |         Ok(Array::from_vec(c).map(|x| ((*x).clone())))
[INFO] [stdout]     |                                       ^            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 529 -         Ok(Array::from_vec(c).map(|x| ((*x).clone())))
[INFO] [stdout] 529 +         Ok(Array::from_vec(c).map(|x| (*x).clone()))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/combinators/transform.rs:292:22
[INFO] [stdout]     |
[INFO] [stdout] 292 |             .map(|x| (String::from(*x)))
[INFO] [stdout]     |                      ^                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 292 -             .map(|x| (String::from(*x)))
[INFO] [stdout] 292 +             .map(|x| String::from(*x))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/dataframe.rs:99:35
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let d = self.data.map(|x| ((*x).clone()));
[INFO] [stdout]    |                                   ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 99 -         let d = self.data.map(|x| ((*x).clone()));
[INFO] [stdout] 99 +         let d = self.data.map(|x| (*x).clone());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]  --> src/implement/mod.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[cfg(features = "specialization")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[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] help: there is a config with a similar name and different values
[INFO] [stdout]   |
[INFO] [stdout] 2 - #[cfg(features = "specialization")]
[INFO] [stdout] 2 + #[cfg(feature)]
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `specialization`
[INFO] [stdout]   --> src/implement/impl_ops_generic.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[cfg(not(feature = "specialization"))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `specialization` 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: `specialization`
[INFO] [stdout]    --> src/implement/impl_ops_generic.rs:241:7
[INFO] [stdout]     |
[INFO] [stdout] 241 | #[cfg(feature = "specialization")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `specialization` 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 name: `nightly`
[INFO] [stdout]  --> src/bench/mod.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[cfg(nightly)]
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]  --> src/bench/mod.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[cfg(nightly)]
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]  --> src/tests/tests.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg(nightly)]
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]  --> src/tests/tests.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[cfg(nightly)]
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `util::macros::*`
[INFO] [stdout]   --> src/prelude.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use util::macros::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/mixedtypes.rs:458:12
[INFO] [stdout]     |
[INFO] [stdout] 458 |         if let Ok(x) = s.parse::<String>() {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `utah` (lib) due to 2 previous errors; 27 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "eef1c996758f667b93d173864c7f865ee551854a1c34f91deab686ccd4b4d651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eef1c996758f667b93d173864c7f865ee551854a1c34f91deab686ccd4b4d651", kill_on_drop: false }`
[INFO] [stdout] eef1c996758f667b93d173864c7f865ee551854a1c34f91deab686ccd4b4d651
