[INFO] crate granny 0.0.2 is already in cache [INFO] extracting crate granny 0.0.2 into work/ex/clippy-test-run/sources/stable/reg/granny/0.0.2 [INFO] extracting crate granny 0.0.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/granny/0.0.2 [INFO] validating manifest of granny-0.0.2 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 granny-0.0.2 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 granny-0.0.2 [INFO] finished frobbing granny-0.0.2 [INFO] frobbed toml for granny-0.0.2 written to work/ex/clippy-test-run/sources/stable/reg/granny/0.0.2/Cargo.toml [INFO] started frobbing granny-0.0.2 [INFO] finished frobbing granny-0.0.2 [INFO] frobbed toml for granny-0.0.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/granny/0.0.2/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 granny-0.0.2 against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/granny/0.0.2:/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" "+stable" "clippy" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 09e0a6b894f252979bbc0ff01e0522c233ce21112000452a640488f724778684 [INFO] running `"docker" "start" "-a" "09e0a6b894f252979bbc0ff01e0522c233ce21112000452a640488f724778684"` [INFO] [stderr] Checking granny v0.0.2 (/opt/crater/workdir) [INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change [INFO] [stderr] --> src/integer/integer16/into.rs:15:32 [INFO] [stderr] | [INFO] [stderr] 15 | Integer16::Num(self as u16) [INFO] [stderr] | ^^^^^^^^^^^ help: try: `u16::from(self)` [INFO] [stderr] ... [INFO] [stderr] 21 | into_integer16_for_ux!{u8 u16 u32 u64 usize} [INFO] [stderr] | -------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::cast_lossless)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting u16 to i32 may become silently lossy if types change [INFO] [stderr] --> src/integer/integer16/into.rs:43:30 [INFO] [stderr] | [INFO] [stderr] 43 | _self = (u16::max_value() as i32 + (self as i16) as i32 + 1) as u16 [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(u16::max_value())` [INFO] [stderr] ... [INFO] [stderr] 53 | into_integer16_for_ix!{i8 i16 i32 i64 isize} [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#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting i16 to i32 may become silently lossy if types change [INFO] [stderr] --> src/integer/integer16/into.rs:43:56 [INFO] [stderr] | [INFO] [stderr] 43 | _self = (u16::max_value() as i32 + (self as i16) as i32 + 1) as u16 [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from((self as i16))` [INFO] [stderr] ... [INFO] [stderr] 53 | into_integer16_for_ix!{i8 i16 i32 i64 isize} [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#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting i8 to i16 may become silently lossy if types change [INFO] [stderr] --> src/integer/integer16/into.rs:43:56 [INFO] [stderr] | [INFO] [stderr] 43 | _self = (u16::max_value() as i32 + (self as i16) as i32 + 1) as u16 [INFO] [stderr] | ^^^^^^^^^^^^^ help: try: `i16::from(self)` [INFO] [stderr] ... [INFO] [stderr] 53 | into_integer16_for_ix!{i8 i16 i32 i64 isize} [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#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change [INFO] [stderr] --> src/integer/integer16/add.rs:7:21 [INFO] [stderr] | [INFO] [stderr] 7 | let _self = self.get_num() as u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.get_num())` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change [INFO] [stderr] --> src/integer/integer16/add.rs:8:22 [INFO] [stderr] | [INFO] [stderr] 8 | let _other = other.get_num() as u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(other.get_num())` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value [INFO] [stderr] --> src/integer/integer16/mod.rs:11:16 [INFO] [stderr] | [INFO] [stderr] 11 | fn get_num(&self) -> u16 { [INFO] [stderr] | ^^^^^ help: consider passing by value instead: `self` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref [INFO] [stderr] [INFO] [stderr] warning: use of a blacklisted/placeholder name `foo` [INFO] [stderr] --> src/integer/mod.rs:47:21 [INFO] [stderr] | [INFO] [stderr] 47 | let foo = -1; [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 54 | integer_impl!{Integer16} [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::blacklisted_name)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#blacklisted_name [INFO] [stderr] [INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change [INFO] [stderr] --> src/integer/integer16/into.rs:15:32 [INFO] [stderr] | [INFO] [stderr] 15 | Integer16::Num(self as u16) [INFO] [stderr] | ^^^^^^^^^^^ help: try: `u16::from(self)` [INFO] [stderr] ... [INFO] [stderr] 21 | into_integer16_for_ux!{u8 u16 u32 u64 usize} [INFO] [stderr] | -------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::cast_lossless)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting u16 to i32 may become silently lossy if types change [INFO] [stderr] --> src/integer/integer16/into.rs:43:30 [INFO] [stderr] | [INFO] [stderr] 43 | _self = (u16::max_value() as i32 + (self as i16) as i32 + 1) as u16 [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(u16::max_value())` [INFO] [stderr] ... [INFO] [stderr] 53 | into_integer16_for_ix!{i8 i16 i32 i64 isize} [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#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting i16 to i32 may become silently lossy if types change [INFO] [stderr] --> src/integer/integer16/into.rs:43:56 [INFO] [stderr] | [INFO] [stderr] 43 | _self = (u16::max_value() as i32 + (self as i16) as i32 + 1) as u16 [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from((self as i16))` [INFO] [stderr] ... [INFO] [stderr] 53 | into_integer16_for_ix!{i8 i16 i32 i64 isize} [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#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting i8 to i16 may become silently lossy if types change [INFO] [stderr] --> src/integer/integer16/into.rs:43:56 [INFO] [stderr] | [INFO] [stderr] 43 | _self = (u16::max_value() as i32 + (self as i16) as i32 + 1) as u16 [INFO] [stderr] | ^^^^^^^^^^^^^ help: try: `i16::from(self)` [INFO] [stderr] ... [INFO] [stderr] 53 | into_integer16_for_ix!{i8 i16 i32 i64 isize} [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#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change [INFO] [stderr] --> src/integer/integer16/add.rs:7:21 [INFO] [stderr] | [INFO] [stderr] 7 | let _self = self.get_num() as u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.get_num())` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change [INFO] [stderr] --> src/integer/integer16/add.rs:8:22 [INFO] [stderr] | [INFO] [stderr] 8 | let _other = other.get_num() as u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(other.get_num())` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value [INFO] [stderr] --> src/integer/integer16/mod.rs:11:16 [INFO] [stderr] | [INFO] [stderr] 11 | fn get_num(&self) -> u16 { [INFO] [stderr] | ^^^^^ help: consider passing by value instead: `self` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref [INFO] [stderr] [INFO] [stderr] warning: use of a blacklisted/placeholder name `foo` [INFO] [stderr] --> src/integer/mod.rs:47:21 [INFO] [stderr] | [INFO] [stderr] 47 | let foo = -1; [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 54 | integer_impl!{Integer16} [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::blacklisted_name)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#blacklisted_name [INFO] [stderr] [INFO] [stderr] warning: use of a blacklisted/placeholder name `foo` [INFO] [stderr] --> src/examples/main.rs:4:13 [INFO] [stderr] | [INFO] [stderr] 4 | let mut foo = Integer16::new(); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::blacklisted_name)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#blacklisted_name [INFO] [stderr] [INFO] [stderr] warning: use of a blacklisted/placeholder name `bar` [INFO] [stderr] --> src/examples/main.rs:5:13 [INFO] [stderr] | [INFO] [stderr] 5 | let mut bar = Integer16::new(); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#blacklisted_name [INFO] [stderr] [INFO] [stderr] warning: use of a blacklisted/placeholder name `foo` [INFO] [stderr] --> src/examples/main.rs:4:13 [INFO] [stderr] | [INFO] [stderr] 4 | let mut foo = Integer16::new(); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::blacklisted_name)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#blacklisted_name [INFO] [stderr] [INFO] [stderr] warning: use of a blacklisted/placeholder name `bar` [INFO] [stderr] --> src/examples/main.rs:5:13 [INFO] [stderr] | [INFO] [stderr] 5 | let mut bar = Integer16::new(); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#blacklisted_name [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.82s [INFO] running `"docker" "inspect" "09e0a6b894f252979bbc0ff01e0522c233ce21112000452a640488f724778684"` [INFO] running `"docker" "rm" "-f" "09e0a6b894f252979bbc0ff01e0522c233ce21112000452a640488f724778684"` [INFO] [stdout] 09e0a6b894f252979bbc0ff01e0522c233ce21112000452a640488f724778684