[INFO] crate simd 0.2.3 is already in cache
[INFO] extracting crate simd 0.2.3 into work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/simd/0.2.3
[INFO] extracting crate simd 0.2.3 into work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/reg/simd/0.2.3
[INFO] validating manifest of simd-0.2.3 on toolchain master#d99a320cba42f661aebfa1293b7b2ec3603dda75
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of simd-0.2.3 on toolchain try#e70472fc501b855c9080f3772432c10fe20b8866
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing simd-0.2.3
[INFO] finished frobbing simd-0.2.3
[INFO] frobbed toml for simd-0.2.3 written to work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/simd/0.2.3/Cargo.toml
[INFO] started frobbing simd-0.2.3
[INFO] finished frobbing simd-0.2.3
[INFO] frobbed toml for simd-0.2.3 written to work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/reg/simd/0.2.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking simd-0.2.3 against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/simd/0.2.3:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e5764a94e710c961e2dd41343a9376d7384709f3ff67605f677e87375443b8e7
[INFO] running `"docker" "start" "-a" "e5764a94e710c961e2dd41343a9376d7384709f3ff67605f677e87375443b8e7"`
[INFO] [stderr]    Compiling simd v0.2.3 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/common.rs:181:39
[INFO] [stderr]     |
[INFO] [stderr] 181 |                                $name($( ($first as $repr_elem) ),*,
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] ...
[INFO] [stderr] 280 | / bool_impls! {
[INFO] [stderr] 281 | |     bool32ix4: bool32i, i32x4, i32, 4, bool32ix4_all, bool32ix4_any, x0, x1 | x2, x3
[INFO] [stderr] 282 | |         [/// Convert `self` to a boolean vector for interacting with floating point vectors.
[INFO] [stderr] 283 | |          to_f -> bool32fx4];
[INFO] [stderr] ...   |
[INFO] [stderr] 290 | |     bool8ix16: bool8i, i8x16, i8, 16, bool8ix16_all, bool8ix16_any, x0, x1, x2, x3, x4, x5, x6, x7 | x8, x9, x10, x11, x12, x13, x14, x15 [];
[INFO] [stderr] 291 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/common.rs:181:39
[INFO] [stderr]     |
[INFO] [stderr] 181 |                                $name($( ($first as $repr_elem) ),*,
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] ...
[INFO] [stderr] 280 | / bool_impls! {
[INFO] [stderr] 281 | |     bool32ix4: bool32i, i32x4, i32, 4, bool32ix4_all, bool32ix4_any, x0, x1 | x2, x3
[INFO] [stderr] 282 | |         [/// Convert `self` to a boolean vector for interacting with floating point vectors.
[INFO] [stderr] 283 | |          to_f -> bool32fx4];
[INFO] [stderr] ...   |
[INFO] [stderr] 290 | |     bool8ix16: bool8i, i8x16, i8, 16, bool8ix16_all, bool8ix16_any, x0, x1, x2, x3, x4, x5, x6, x7 | x8, x9, x10, x11, x12, x13, x14, x15 [];
[INFO] [stderr] 291 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/common.rs:182:39
[INFO] [stderr]     |
[INFO] [stderr] 182 |                                      $( ($last as $repr_elem) ),*))
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] ...
[INFO] [stderr] 280 | / bool_impls! {
[INFO] [stderr] 281 | |     bool32ix4: bool32i, i32x4, i32, 4, bool32ix4_all, bool32ix4_any, x0, x1 | x2, x3
[INFO] [stderr] 282 | |         [/// Convert `self` to a boolean vector for interacting with floating point vectors.
[INFO] [stderr] 283 | |          to_f -> bool32fx4];
[INFO] [stderr] ...   |
[INFO] [stderr] 290 | |     bool8ix16: bool8i, i8x16, i8, 16, bool8ix16_all, bool8ix16_any, x0, x1, x2, x3, x4, x5, x6, x7 | x8, x9, x10, x11, x12, x13, x14, x15 [];
[INFO] [stderr] 291 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/common.rs:181:39
[INFO] [stderr]     |
[INFO] [stderr] 181 |                                $name($( ($first as $repr_elem) ),*,
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/sixty_four.rs:79:1
[INFO] [stderr]     |
[INFO] [stderr] 79  | / bool_impls! {
[INFO] [stderr] 80  | |     bool64ix2: bool64i, i64x2, i64, 2, bool64ix2_all, bool64ix2_any, x0 | x1
[INFO] [stderr] 81  | |         [/// Convert `self` to a boolean vector for interacting with floating point vectors.
[INFO] [stderr] 82  | |          to_f -> bool64fx2];
[INFO] [stderr] ...   |
[INFO] [stderr] 86  | |          to_i -> bool64ix2];
[INFO] [stderr] 87  | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/common.rs:182:39
[INFO] [stderr]     |
[INFO] [stderr] 182 |                                      $( ($last as $repr_elem) ),*))
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/sixty_four.rs:79:1
[INFO] [stderr]     |
[INFO] [stderr] 79  | / bool_impls! {
[INFO] [stderr] 80  | |     bool64ix2: bool64i, i64x2, i64, 2, bool64ix2_all, bool64ix2_any, x0 | x1
[INFO] [stderr] 81  | |         [/// Convert `self` to a boolean vector for interacting with floating point vectors.
[INFO] [stderr] 82  | |          to_f -> bool64fx2];
[INFO] [stderr] ...   |
[INFO] [stderr] 86  | |          to_i -> bool64ix2];
[INFO] [stderr] 87  | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/common.rs:181:39
[INFO] [stderr]     |
[INFO] [stderr] 181 |                                $name($( ($first as $repr_elem) ),*,
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/v256.rs:163:1
[INFO] [stderr]     |
[INFO] [stderr] 163 | / bool_impls! {
[INFO] [stderr] 164 | |     bool64ix4: bool64i, i64x4, i64, 4, bool64ix4_all, bool64ix4_any, x0, x1 | x2, x3
[INFO] [stderr] 165 | |         [/// Convert `self` to a boolean vector for interacting with floating point vectors.
[INFO] [stderr] 166 | |          to_f -> bool64fx4];
[INFO] [stderr] ...   |
[INFO] [stderr] 185 | |         x16, x17, x18, x19, x20, x21, x22, x23, x24, x25, x26, x27, x28, x29, x30, x31 [];
[INFO] [stderr] 186 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/common.rs:182:39
[INFO] [stderr]     |
[INFO] [stderr] 182 |                                      $( ($last as $repr_elem) ),*))
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/v256.rs:163:1
[INFO] [stderr]     |
[INFO] [stderr] 163 | / bool_impls! {
[INFO] [stderr] 164 | |     bool64ix4: bool64i, i64x4, i64, 4, bool64ix4_all, bool64ix4_any, x0, x1 | x2, x3
[INFO] [stderr] 165 | |         [/// Convert `self` to a boolean vector for interacting with floating point vectors.
[INFO] [stderr] 166 | |          to_f -> bool64fx4];
[INFO] [stderr] ...   |
[INFO] [stderr] 185 | |         x16, x17, x18, x19, x20, x21, x22, x23, x24, x25, x26, x27, x28, x29, x30, x31 [];
[INFO] [stderr] 186 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/common.rs:181:39
[INFO] [stderr]     |
[INFO] [stderr] 181 |                                $name($( ($first as $repr_elem) ),*,
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] ...
[INFO] [stderr] 280 | / bool_impls! {
[INFO] [stderr] 281 | |     bool32ix4: bool32i, i32x4, i32, 4, bool32ix4_all, bool32ix4_any, x0, x1 | x2, x3
[INFO] [stderr] 282 | |         [/// Convert `self` to a boolean vector for interacting with floating point vectors.
[INFO] [stderr] 283 | |          to_f -> bool32fx4];
[INFO] [stderr] ...   |
[INFO] [stderr] 290 | |     bool8ix16: bool8i, i8x16, i8, 16, bool8ix16_all, bool8ix16_any, x0, x1, x2, x3, x4, x5, x6, x7 | x8, x9, x10, x11, x12, x13, x14, x15 [];
[INFO] [stderr] 291 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/common.rs:181:39
[INFO] [stderr]     |
[INFO] [stderr] 181 |                                $name($( ($first as $repr_elem) ),*,
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] ...
[INFO] [stderr] 280 | / bool_impls! {
[INFO] [stderr] 281 | |     bool32ix4: bool32i, i32x4, i32, 4, bool32ix4_all, bool32ix4_any, x0, x1 | x2, x3
[INFO] [stderr] 282 | |         [/// Convert `self` to a boolean vector for interacting with floating point vectors.
[INFO] [stderr] 283 | |          to_f -> bool32fx4];
[INFO] [stderr] ...   |
[INFO] [stderr] 290 | |     bool8ix16: bool8i, i8x16, i8, 16, bool8ix16_all, bool8ix16_any, x0, x1, x2, x3, x4, x5, x6, x7 | x8, x9, x10, x11, x12, x13, x14, x15 [];
[INFO] [stderr] 291 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/common.rs:182:39
[INFO] [stderr]     |
[INFO] [stderr] 182 |                                      $( ($last as $repr_elem) ),*))
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] ...
[INFO] [stderr] 280 | / bool_impls! {
[INFO] [stderr] 281 | |     bool32ix4: bool32i, i32x4, i32, 4, bool32ix4_all, bool32ix4_any, x0, x1 | x2, x3
[INFO] [stderr] 282 | |         [/// Convert `self` to a boolean vector for interacting with floating point vectors.
[INFO] [stderr] 283 | |          to_f -> bool32fx4];
[INFO] [stderr] ...   |
[INFO] [stderr] 290 | |     bool8ix16: bool8i, i8x16, i8, 16, bool8ix16_all, bool8ix16_any, x0, x1, x2, x3, x4, x5, x6, x7 | x8, x9, x10, x11, x12, x13, x14, x15 [];
[INFO] [stderr] 291 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/common.rs:181:39
[INFO] [stderr]     |
[INFO] [stderr] 181 |                                $name($( ($first as $repr_elem) ),*,
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/sixty_four.rs:79:1
[INFO] [stderr]     |
[INFO] [stderr] 79  | / bool_impls! {
[INFO] [stderr] 80  | |     bool64ix2: bool64i, i64x2, i64, 2, bool64ix2_all, bool64ix2_any, x0 | x1
[INFO] [stderr] 81  | |         [/// Convert `self` to a boolean vector for interacting with floating point vectors.
[INFO] [stderr] 82  | |          to_f -> bool64fx2];
[INFO] [stderr] ...   |
[INFO] [stderr] 86  | |          to_i -> bool64ix2];
[INFO] [stderr] 87  | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/common.rs:182:39
[INFO] [stderr]     |
[INFO] [stderr] 182 |                                      $( ($last as $repr_elem) ),*))
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/sixty_four.rs:79:1
[INFO] [stderr]     |
[INFO] [stderr] 79  | / bool_impls! {
[INFO] [stderr] 80  | |     bool64ix2: bool64i, i64x2, i64, 2, bool64ix2_all, bool64ix2_any, x0 | x1
[INFO] [stderr] 81  | |         [/// Convert `self` to a boolean vector for interacting with floating point vectors.
[INFO] [stderr] 82  | |          to_f -> bool64fx2];
[INFO] [stderr] ...   |
[INFO] [stderr] 86  | |          to_i -> bool64ix2];
[INFO] [stderr] 87  | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/common.rs:181:39
[INFO] [stderr]     |
[INFO] [stderr] 181 |                                $name($( ($first as $repr_elem) ),*,
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/v256.rs:163:1
[INFO] [stderr]     |
[INFO] [stderr] 163 | / bool_impls! {
[INFO] [stderr] 164 | |     bool64ix4: bool64i, i64x4, i64, 4, bool64ix4_all, bool64ix4_any, x0, x1 | x2, x3
[INFO] [stderr] 165 | |         [/// Convert `self` to a boolean vector for interacting with floating point vectors.
[INFO] [stderr] 166 | |          to_f -> bool64fx4];
[INFO] [stderr] ...   |
[INFO] [stderr] 185 | |         x16, x17, x18, x19, x20, x21, x22, x23, x24, x25, x26, x27, x28, x29, x30, x31 [];
[INFO] [stderr] 186 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/common.rs:182:39
[INFO] [stderr]     |
[INFO] [stderr] 182 |                                      $( ($last as $repr_elem) ),*))
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/v256.rs:163:1
[INFO] [stderr]     |
[INFO] [stderr] 163 | / bool_impls! {
[INFO] [stderr] 164 | |     bool64ix4: bool64i, i64x4, i64, 4, bool64ix4_all, bool64ix4_any, x0, x1 | x2, x3
[INFO] [stderr] 165 | |         [/// Convert `self` to a boolean vector for interacting with floating point vectors.
[INFO] [stderr] 166 | |          to_f -> bool64fx4];
[INFO] [stderr] ...   |
[INFO] [stderr] 185 | |         x16, x17, x18, x19, x20, x21, x22, x23, x24, x25, x26, x27, x28, x29, x30, x31 [];
[INFO] [stderr] 186 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `cfg_target_feature` has been stable since 1.27.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(cfg_target_feature, repr_simd, platform_intrinsics, const_fn)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `cfg_target_feature` has been stable since 1.27.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> examples/axpy.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(cfg_target_feature)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `cfg_target_feature` has been stable since 1.27.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> examples/nbody.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(cfg_target_feature)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `cfg_target_feature` has been stable since 1.27.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> benches/mandelbrot.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(cfg_target_feature)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `cfg_target_feature` has been stable since 1.27.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> benches/matrix.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(cfg_target_feature)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `cfg_target_feature` has been stable since 1.27.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> examples/spectral-norm.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(cfg_target_feature)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `cfg_target_feature` has been stable since 1.27.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> examples/dot-product.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(cfg_target_feature)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `cfg_target_feature` has been stable since 1.27.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(cfg_target_feature, repr_simd, platform_intrinsics, const_fn)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> examples/mandelbrot.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(iterator_step_by, test)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `cfg_target_feature` has been stable since 1.27.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> examples/fannkuch-redux.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(cfg_target_feature)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.15s
[INFO] running `"docker" "inspect" "e5764a94e710c961e2dd41343a9376d7384709f3ff67605f677e87375443b8e7"`
[INFO] running `"docker" "rm" "-f" "e5764a94e710c961e2dd41343a9376d7384709f3ff67605f677e87375443b8e7"`
[INFO] [stdout] e5764a94e710c961e2dd41343a9376d7384709f3ff67605f677e87375443b8e7