[INFO] crate openml 0.1.2 is already in cache [INFO] extracting crate openml 0.1.2 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/openml/0.1.2 [INFO] extracting crate openml 0.1.2 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/openml/0.1.2 [INFO] validating manifest of openml-0.1.2 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of openml-0.1.2 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing openml-0.1.2 [INFO] finished frobbing openml-0.1.2 [INFO] frobbed toml for openml-0.1.2 written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/openml/0.1.2/Cargo.toml [INFO] started frobbing openml-0.1.2 [INFO] finished frobbing openml-0.1.2 [INFO] frobbed toml for openml-0.1.2 written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/openml/0.1.2/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking openml-0.1.2 against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-1/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/openml/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] b3e8ca98cac17aece57c7cc34cf2c9ac282957354447dd650c80606bd8cb4837 [INFO] running `"docker" "start" "-a" "b3e8ca98cac17aece57c7cc34cf2c9ac282957354447dd650c80606bd8cb4837"` [INFO] [stderr] Checking arff v0.3.0 [INFO] [stderr] Checking openml v0.1.2 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/procedures/frozen_sets.rs:10:34 [INFO] [stderr] | [INFO] [stderr] 10 | fn iter<'a>(&'a self) -> Box<'a + Iterator> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/procedures/mod.rs:9:34 [INFO] [stderr] | [INFO] [stderr] 9 | fn iter<'a>(&'a self) -> Box<'a + Iterator>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/supervised_classification.rs:13:42 [INFO] [stderr] | [INFO] [stderr] 13 | pub(crate) estimation_procedure: Box, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Procedure` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/supervised_classification.rs:33:20 [INFO] [stderr] | [INFO] [stderr] 33 | F: Fn(&mut Iterator, &mut Iterator) -> Box>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/supervised_classification.rs:33:52 [INFO] [stderr] | [INFO] [stderr] 33 | F: Fn(&mut Iterator, &mut Iterator) -> Box>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/supervised_classification.rs:33:80 [INFO] [stderr] | [INFO] [stderr] 33 | F: Fn(&mut Iterator, &mut Iterator) -> Box>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/supervised_classification.rs:66:20 [INFO] [stderr] | [INFO] [stderr] 66 | F: Fn(&mut Iterator, &mut Iterator) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/supervised_classification.rs:66:54 [INFO] [stderr] | [INFO] [stderr] 66 | F: Fn(&mut Iterator, &mut Iterator) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/supervised_classification.rs:67:20 [INFO] [stderr] | [INFO] [stderr] 67 | -> Box>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/supervised_regression.rs:13:42 [INFO] [stderr] | [INFO] [stderr] 13 | pub(crate) estimation_procedure: Box, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Procedure` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/supervised_regression.rs:32:20 [INFO] [stderr] | [INFO] [stderr] 32 | F: Fn(&mut Iterator, &mut Iterator) -> Box>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/supervised_regression.rs:32:52 [INFO] [stderr] | [INFO] [stderr] 32 | F: Fn(&mut Iterator, &mut Iterator) -> Box>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/supervised_regression.rs:32:80 [INFO] [stderr] | [INFO] [stderr] 32 | F: Fn(&mut Iterator, &mut Iterator) -> Box>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/supervised_regression.rs:65:20 [INFO] [stderr] | [INFO] [stderr] 65 | F: Fn(&mut Iterator, &mut Iterator) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/supervised_regression.rs:65:54 [INFO] [stderr] | [INFO] [stderr] 65 | F: Fn(&mut Iterator, &mut Iterator) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/supervised_regression.rs:66:20 [INFO] [stderr] | [INFO] [stderr] 66 | -> Box>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/mod.rs:25:20 [INFO] [stderr] | [INFO] [stderr] 25 | F: Fn(&mut Iterator, &mut Iterator) -> Box>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/mod.rs:25:52 [INFO] [stderr] | [INFO] [stderr] 25 | F: Fn(&mut Iterator, &mut Iterator) -> Box>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/mod.rs:25:80 [INFO] [stderr] | [INFO] [stderr] 25 | F: Fn(&mut Iterator, &mut Iterator) -> Box>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/mod.rs:34:20 [INFO] [stderr] | [INFO] [stderr] 34 | F: Fn(&mut Iterator, &mut Iterator) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/mod.rs:34:54 [INFO] [stderr] | [INFO] [stderr] 34 | F: Fn(&mut Iterator, &mut Iterator) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/mod.rs:35:20 [INFO] [stderr] | [INFO] [stderr] 35 | -> Box>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/procedures/frozen_sets.rs:10:34 [INFO] [stderr] | [INFO] [stderr] 10 | fn iter<'a>(&'a self) -> Box<'a + Iterator> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/procedures/mod.rs:9:34 [INFO] [stderr] | [INFO] [stderr] 9 | fn iter<'a>(&'a self) -> Box<'a + Iterator>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/supervised_classification.rs:13:42 [INFO] [stderr] | [INFO] [stderr] 13 | pub(crate) estimation_procedure: Box, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Procedure` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/supervised_classification.rs:33:20 [INFO] [stderr] | [INFO] [stderr] 33 | F: Fn(&mut Iterator, &mut Iterator) -> Box>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/supervised_classification.rs:33:52 [INFO] [stderr] | [INFO] [stderr] 33 | F: Fn(&mut Iterator, &mut Iterator) -> Box>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/supervised_classification.rs:33:80 [INFO] [stderr] | [INFO] [stderr] 33 | F: Fn(&mut Iterator, &mut Iterator) -> Box>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/supervised_classification.rs:66:20 [INFO] [stderr] | [INFO] [stderr] 66 | F: Fn(&mut Iterator, &mut Iterator) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/supervised_classification.rs:66:54 [INFO] [stderr] | [INFO] [stderr] 66 | F: Fn(&mut Iterator, &mut Iterator) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/supervised_classification.rs:67:20 [INFO] [stderr] | [INFO] [stderr] 67 | -> Box>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/supervised_regression.rs:13:42 [INFO] [stderr] | [INFO] [stderr] 13 | pub(crate) estimation_procedure: Box, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Procedure` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/supervised_regression.rs:32:20 [INFO] [stderr] | [INFO] [stderr] 32 | F: Fn(&mut Iterator, &mut Iterator) -> Box>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/supervised_regression.rs:32:52 [INFO] [stderr] | [INFO] [stderr] 32 | F: Fn(&mut Iterator, &mut Iterator) -> Box>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/supervised_regression.rs:32:80 [INFO] [stderr] | [INFO] [stderr] 32 | F: Fn(&mut Iterator, &mut Iterator) -> Box>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/supervised_regression.rs:65:20 [INFO] [stderr] | [INFO] [stderr] 65 | F: Fn(&mut Iterator, &mut Iterator) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/supervised_regression.rs:65:54 [INFO] [stderr] | [INFO] [stderr] 65 | F: Fn(&mut Iterator, &mut Iterator) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/supervised_regression.rs:66:20 [INFO] [stderr] | [INFO] [stderr] 66 | -> Box>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/mod.rs:25:20 [INFO] [stderr] | [INFO] [stderr] 25 | F: Fn(&mut Iterator, &mut Iterator) -> Box>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/mod.rs:25:52 [INFO] [stderr] | [INFO] [stderr] 25 | F: Fn(&mut Iterator, &mut Iterator) -> Box>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/mod.rs:25:80 [INFO] [stderr] | [INFO] [stderr] 25 | F: Fn(&mut Iterator, &mut Iterator) -> Box>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/mod.rs:34:20 [INFO] [stderr] | [INFO] [stderr] 34 | F: Fn(&mut Iterator, &mut Iterator) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/mod.rs:34:54 [INFO] [stderr] | [INFO] [stderr] 34 | F: Fn(&mut Iterator, &mut Iterator) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tasks/mod.rs:35:20 [INFO] [stderr] | [INFO] [stderr] 35 | -> Box>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/openml_api/impls_from_json.rs:116:17 [INFO] [stderr] | [INFO] [stderr] 116 | let mut rep = &mut folds[item.repeat]; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/openml_api/impls_from_json.rs:121:17 [INFO] [stderr] | [INFO] [stderr] 121 | let mut fold = &mut rep[item.fold]; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/openml_api/impls_from_json.rs:116:17 [INFO] [stderr] | [INFO] [stderr] 116 | let mut rep = &mut folds[item.repeat]; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/openml_api/impls_from_json.rs:121:17 [INFO] [stderr] | [INFO] [stderr] 121 | let mut fold = &mut rep[item.fold]; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.86s [INFO] running `"docker" "inspect" "b3e8ca98cac17aece57c7cc34cf2c9ac282957354447dd650c80606bd8cb4837"` [INFO] running `"docker" "rm" "-f" "b3e8ca98cac17aece57c7cc34cf2c9ac282957354447dd650c80606bd8cb4837"` [INFO] [stdout] b3e8ca98cac17aece57c7cc34cf2c9ac282957354447dd650c80606bd8cb4837