[INFO] crate numtraits 0.0.1 is already in cache [INFO] extracting crate numtraits 0.0.1 into work/ex/clippy-test-run/sources/stable/reg/numtraits/0.0.1 [INFO] extracting crate numtraits 0.0.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/numtraits/0.0.1 [INFO] validating manifest of numtraits-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 numtraits-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 numtraits-0.0.1 [INFO] finished frobbing numtraits-0.0.1 [INFO] frobbed toml for numtraits-0.0.1 written to work/ex/clippy-test-run/sources/stable/reg/numtraits/0.0.1/Cargo.toml [INFO] started frobbing numtraits-0.0.1 [INFO] finished frobbing numtraits-0.0.1 [INFO] frobbed toml for numtraits-0.0.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/numtraits/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 numtraits-0.0.1 against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/numtraits/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 -Dclippy::into_iter_on_array" "-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] 71a90e067423499c90df055005ba0bbac2a40ade3dfb7516f663b26c0d1af4f9 [INFO] running `"docker" "start" "-a" "71a90e067423499c90df055005ba0bbac2a40ade3dfb7516f663b26c0d1af4f9"` [INFO] [stderr] Checking numtraits v0.0.1 (/opt/crater/workdir) [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/lib.rs:50:1 [INFO] [stderr] | [INFO] [stderr] 50 | / macro_rules! from_to { [INFO] [stderr] 51 | | ($tr:ident, $f:ident, $t:ident) => { [INFO] [stderr] 52 | | impl $tr<$f> for $t { [INFO] [stderr] 53 | | fn from(x: $f) -> $t { x as $t } [INFO] [stderr] 54 | | } [INFO] [stderr] 55 | | } [INFO] [stderr] 56 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_macros)] on by default [INFO] [stderr] [INFO] [stderr] warning: casting i8 to i16 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:72:43 [INFO] [stderr] | [INFO] [stderr] 72 | fn from(t: $b) -> U { U::from(t as $a) } [INFO] [stderr] | ^^^^^^^ help: try: `i16::from(t)` [INFO] [stderr] ... [INFO] [stderr] 103 | cast_rule!(i16 => i8); [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 i16 to i32 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:72:43 [INFO] [stderr] | [INFO] [stderr] 72 | fn from(t: $b) -> U { U::from(t as $a) } [INFO] [stderr] | ^^^^^^^ help: try: `i32::from(t)` [INFO] [stderr] ... [INFO] [stderr] 104 | cast_rule!(i32 => i16); [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 i32 to i64 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:72:43 [INFO] [stderr] | [INFO] [stderr] 72 | fn from(t: $b) -> U { U::from(t as $a) } [INFO] [stderr] | ^^^^^^^ help: try: `i64::from(t)` [INFO] [stderr] ... [INFO] [stderr] 105 | cast_rule!(i64 => i32); [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 u8 to u16 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:72:43 [INFO] [stderr] | [INFO] [stderr] 72 | fn from(t: $b) -> U { U::from(t as $a) } [INFO] [stderr] | ^^^^^^^ help: try: `u16::from(t)` [INFO] [stderr] ... [INFO] [stderr] 107 | cast_rule!(u16 => u8); [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/lib.rs:72:43 [INFO] [stderr] | [INFO] [stderr] 72 | fn from(t: $b) -> U { U::from(t as $a) } [INFO] [stderr] | ^^^^^^^ help: try: `u32::from(t)` [INFO] [stderr] ... [INFO] [stderr] 108 | cast_rule!(u32 => u16); [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 u32 to u64 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:72:43 [INFO] [stderr] | [INFO] [stderr] 72 | fn from(t: $b) -> U { U::from(t as $a) } [INFO] [stderr] | ^^^^^^^ help: try: `u64::from(t)` [INFO] [stderr] ... [INFO] [stderr] 109 | cast_rule!(u64 => u32); [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 f32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:72:43 [INFO] [stderr] | [INFO] [stderr] 72 | fn from(t: $b) -> U { U::from(t as $a) } [INFO] [stderr] | ^^^^^^^ help: try: `f64::from(t)` [INFO] [stderr] ... [INFO] [stderr] 113 | cast_rule!(f64 => f32); [INFO] [stderr] | ----------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/lib.rs:50:1 [INFO] [stderr] | [INFO] [stderr] 50 | / macro_rules! from_to { [INFO] [stderr] 51 | | ($tr:ident, $f:ident, $t:ident) => { [INFO] [stderr] 52 | | impl $tr<$f> for $t { [INFO] [stderr] 53 | | fn from(x: $f) -> $t { x as $t } [INFO] [stderr] 54 | | } [INFO] [stderr] 55 | | } [INFO] [stderr] 56 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_macros)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `doit` [INFO] [stderr] --> src/lib.rs:121:1 [INFO] [stderr] | [INFO] [stderr] 121 | fn doit>() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: casting i8 to i16 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:72:43 [INFO] [stderr] | [INFO] [stderr] 72 | fn from(t: $b) -> U { U::from(t as $a) } [INFO] [stderr] | ^^^^^^^ help: try: `i16::from(t)` [INFO] [stderr] ... [INFO] [stderr] 103 | cast_rule!(i16 => i8); [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 i16 to i32 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:72:43 [INFO] [stderr] | [INFO] [stderr] 72 | fn from(t: $b) -> U { U::from(t as $a) } [INFO] [stderr] | ^^^^^^^ help: try: `i32::from(t)` [INFO] [stderr] ... [INFO] [stderr] 104 | cast_rule!(i32 => i16); [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 i32 to i64 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:72:43 [INFO] [stderr] | [INFO] [stderr] 72 | fn from(t: $b) -> U { U::from(t as $a) } [INFO] [stderr] | ^^^^^^^ help: try: `i64::from(t)` [INFO] [stderr] ... [INFO] [stderr] 105 | cast_rule!(i64 => i32); [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 u8 to u16 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:72:43 [INFO] [stderr] | [INFO] [stderr] 72 | fn from(t: $b) -> U { U::from(t as $a) } [INFO] [stderr] | ^^^^^^^ help: try: `u16::from(t)` [INFO] [stderr] ... [INFO] [stderr] 107 | cast_rule!(u16 => u8); [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/lib.rs:72:43 [INFO] [stderr] | [INFO] [stderr] 72 | fn from(t: $b) -> U { U::from(t as $a) } [INFO] [stderr] | ^^^^^^^ help: try: `u32::from(t)` [INFO] [stderr] ... [INFO] [stderr] 108 | cast_rule!(u32 => u16); [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 u32 to u64 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:72:43 [INFO] [stderr] | [INFO] [stderr] 72 | fn from(t: $b) -> U { U::from(t as $a) } [INFO] [stderr] | ^^^^^^^ help: try: `u64::from(t)` [INFO] [stderr] ... [INFO] [stderr] 109 | cast_rule!(u64 => u32); [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 f32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:72:43 [INFO] [stderr] | [INFO] [stderr] 72 | fn from(t: $b) -> U { U::from(t as $a) } [INFO] [stderr] | ^^^^^^^ help: try: `f64::from(t)` [INFO] [stderr] ... [INFO] [stderr] 113 | cast_rule!(f64 => f32); [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] Finished dev [unoptimized + debuginfo] target(s) in 0.90s [INFO] running `"docker" "inspect" "71a90e067423499c90df055005ba0bbac2a40ade3dfb7516f663b26c0d1af4f9"` [INFO] running `"docker" "rm" "-f" "71a90e067423499c90df055005ba0bbac2a40ade3dfb7516f663b26c0d1af4f9"` [INFO] [stdout] 71a90e067423499c90df055005ba0bbac2a40ade3dfb7516f663b26c0d1af4f9