[INFO] crate column 0.0.1 is already in cache [INFO] extracting crate column 0.0.1 into work/ex/clippy-test-run/sources/stable/reg/column/0.0.1 [INFO] extracting crate column 0.0.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/column/0.0.1 [INFO] validating manifest of column-0.0.1 on toolchain stable [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of column-0.0.1 on toolchain stable+rustflags=-Dclippy::into_iter_on_array [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing column-0.0.1 [INFO] removed 1 missing examples [INFO] finished frobbing column-0.0.1 [INFO] frobbed toml for column-0.0.1 written to work/ex/clippy-test-run/sources/stable/reg/column/0.0.1/Cargo.toml [INFO] started frobbing column-0.0.1 [INFO] removed 1 missing examples [INFO] finished frobbing column-0.0.1 [INFO] frobbed toml for column-0.0.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/column/0.0.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] linting column-0.0.1 against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/column/0.0.1:/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" "+stable" "clippy" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 269e86048bc2dc52f90d4d5b0a6af63144cdae972fab32e83158a6911d867ebb [INFO] running `"docker" "start" "-a" "269e86048bc2dc52f90d4d5b0a6af63144cdae972fab32e83158a6911d867ebb"` [INFO] [stderr] warning: An explicit [[example]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other example targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a example target: [INFO] [stderr] [INFO] [stderr] * /opt/crater/workdir/examples/columnar.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a example target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autoexamples = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] Compiling column_derive v0.0.1 [INFO] [stderr] Checking column v0.0.1 (/opt/crater/workdir) [INFO] [stderr] warning: this block may be rewritten with the `?` operator [INFO] [stderr] --> src/tuple.rs:72:21 [INFO] [stderr] | [INFO] [stderr] 72 | / if t.$idx.is_none() { [INFO] [stderr] 73 | | return None; [INFO] [stderr] 74 | | } [INFO] [stderr] | |_____________________^ help: replace_it_with: `t?;` [INFO] [stderr] ... [INFO] [stderr] 104 | / tuple_impls! { [INFO] [stderr] 105 | | Tuple1 { [INFO] [stderr] 106 | | (0) -> A [INFO] [stderr] 107 | | } [INFO] [stderr] ... | [INFO] [stderr] 206 | | } [INFO] [stderr] 207 | | } [INFO] [stderr] | |_- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::question_mark)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark [INFO] [stderr] [INFO] [stderr] warning: this block may be rewritten with the `?` operator [INFO] [stderr] --> src/tuple.rs:92:21 [INFO] [stderr] | [INFO] [stderr] 92 | / if t.$idx.is_none() { [INFO] [stderr] 93 | | return None; [INFO] [stderr] 94 | | } [INFO] [stderr] | |_____________________^ help: replace_it_with: `t?;` [INFO] [stderr] ... [INFO] [stderr] 104 | / tuple_impls! { [INFO] [stderr] 105 | | Tuple1 { [INFO] [stderr] 106 | | (0) -> A [INFO] [stderr] 107 | | } [INFO] [stderr] ... | [INFO] [stderr] 206 | | } [INFO] [stderr] 207 | | } [INFO] [stderr] | |_- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark [INFO] [stderr] [INFO] [stderr] warning: this block may be rewritten with the `?` operator [INFO] [stderr] --> src/tuple.rs:72:21 [INFO] [stderr] | [INFO] [stderr] 72 | / if t.$idx.is_none() { [INFO] [stderr] 73 | | return None; [INFO] [stderr] 74 | | } [INFO] [stderr] | |_____________________^ help: replace_it_with: `t?;` [INFO] [stderr] ... [INFO] [stderr] 104 | / tuple_impls! { [INFO] [stderr] 105 | | Tuple1 { [INFO] [stderr] 106 | | (0) -> A [INFO] [stderr] 107 | | } [INFO] [stderr] ... | [INFO] [stderr] 206 | | } [INFO] [stderr] 207 | | } [INFO] [stderr] | |_- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark [INFO] [stderr] [INFO] [stderr] warning: this block may be rewritten with the `?` operator [INFO] [stderr] --> src/tuple.rs:72:21 [INFO] [stderr] | [INFO] [stderr] 72 | / if t.$idx.is_none() { [INFO] [stderr] 73 | | return None; [INFO] [stderr] 74 | | } [INFO] [stderr] | |_____________________^ help: replace_it_with: `t?;` [INFO] [stderr] ... [INFO] [stderr] 104 | / tuple_impls! { [INFO] [stderr] 105 | | Tuple1 { [INFO] [stderr] 106 | | (0) -> A [INFO] [stderr] 107 | | } [INFO] [stderr] ... | [INFO] [stderr] 206 | | } [INFO] [stderr] 207 | | } [INFO] [stderr] | |_- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::question_mark)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark [INFO] [stderr] [INFO] [stderr] warning: this block may be rewritten with the `?` operator [INFO] [stderr] --> src/tuple.rs:92:21 [INFO] [stderr] | [INFO] [stderr] 92 | / if t.$idx.is_none() { [INFO] [stderr] 93 | | return None; [INFO] [stderr] 94 | | } [INFO] [stderr] | |_____________________^ help: replace_it_with: `t?;` [INFO] [stderr] ... [INFO] [stderr] 104 | / tuple_impls! { [INFO] [stderr] 105 | | Tuple1 { [INFO] [stderr] 106 | | (0) -> A [INFO] [stderr] 107 | | } [INFO] [stderr] ... | [INFO] [stderr] 206 | | } [INFO] [stderr] 207 | | } [INFO] [stderr] | |_- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark [INFO] [stderr] [INFO] [stderr] warning: this block may be rewritten with the `?` operator [INFO] [stderr] --> src/tuple.rs:72:21 [INFO] [stderr] | [INFO] [stderr] 72 | / if t.$idx.is_none() { [INFO] [stderr] 73 | | return None; [INFO] [stderr] 74 | | } [INFO] [stderr] | |_____________________^ help: replace_it_with: `t?;` [INFO] [stderr] ... [INFO] [stderr] 104 | / tuple_impls! { [INFO] [stderr] 105 | | Tuple1 { [INFO] [stderr] 106 | | (0) -> A [INFO] [stderr] 107 | | } [INFO] [stderr] ... | [INFO] [stderr] 206 | | } [INFO] [stderr] 207 | | } [INFO] [stderr] | |_- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> benches/columnar.rs:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | #![feature(test)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `column`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: this block may be rewritten with the `?` operator [INFO] [stderr] --> tests/bitmap.rs:13:39 [INFO] [stderr] | [INFO] [stderr] 13 | #[derive(Eq, PartialEq, Debug, Clone, Column)] [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::question_mark)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark [INFO] [stderr] [INFO] [stderr] warning: this block may be rewritten with the `?` operator [INFO] [stderr] --> tests/bitmap.rs:13:39 [INFO] [stderr] | [INFO] [stderr] 13 | #[derive(Eq, PartialEq, Debug, Clone, Column)] [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark [INFO] [stderr] [INFO] [stderr] warning: this block may be rewritten with the `?` operator [INFO] [stderr] --> tests/derive.rs:12:39 [INFO] [stderr] | [INFO] [stderr] 12 | #[derive(Eq, PartialEq, Debug, Clone, Column)] [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::question_mark)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark [INFO] [stderr] [INFO] [stderr] warning: this block may be rewritten with the `?` operator [INFO] [stderr] --> tests/derive.rs:12:39 [INFO] [stderr] | [INFO] [stderr] 12 | #[derive(Eq, PartialEq, Debug, Clone, Column)] [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "269e86048bc2dc52f90d4d5b0a6af63144cdae972fab32e83158a6911d867ebb"` [INFO] running `"docker" "rm" "-f" "269e86048bc2dc52f90d4d5b0a6af63144cdae972fab32e83158a6911d867ebb"` [INFO] [stdout] 269e86048bc2dc52f90d4d5b0a6af63144cdae972fab32e83158a6911d867ebb