[INFO] updating cached repository micxjo/rust-synacor-challenge [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/micxjo/rust-synacor-challenge [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/micxjo/rust-synacor-challenge" "work/ex/clippy-test-run/sources/stable/gh/micxjo/rust-synacor-challenge"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/micxjo/rust-synacor-challenge'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/micxjo/rust-synacor-challenge" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/micxjo/rust-synacor-challenge"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/micxjo/rust-synacor-challenge'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 1af2ddd8bc6c770610adfe05def9ba03c118ac6f [INFO] sha for GitHub repo micxjo/rust-synacor-challenge: 1af2ddd8bc6c770610adfe05def9ba03c118ac6f [INFO] validating manifest of micxjo/rust-synacor-challenge 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 micxjo/rust-synacor-challenge 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 micxjo/rust-synacor-challenge [INFO] finished frobbing micxjo/rust-synacor-challenge [INFO] frobbed toml for micxjo/rust-synacor-challenge written to work/ex/clippy-test-run/sources/stable/gh/micxjo/rust-synacor-challenge/Cargo.toml [INFO] started frobbing micxjo/rust-synacor-challenge [INFO] finished frobbing micxjo/rust-synacor-challenge [INFO] frobbed toml for micxjo/rust-synacor-challenge written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/micxjo/rust-synacor-challenge/Cargo.toml [INFO] crate micxjo/rust-synacor-challenge has a lockfile. skipping [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 micxjo/rust-synacor-challenge against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/micxjo/rust-synacor-challenge:/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] 3815f878363be5069e9cf16c890c7eb31d8ad7cd40163be0d46c3bc8fb7db54d [INFO] running `"docker" "start" "-a" "3815f878363be5069e9cf16c890c7eb31d8ad7cd40163be0d46c3bc8fb7db54d"` [INFO] [stderr] Checking synacor v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: you should consider deriving a `Default` implementation for `Machine` [INFO] [stderr] --> src/lib.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | / pub fn new() -> Machine { [INFO] [stderr] 47 | | Machine { [INFO] [stderr] 48 | | memory: vec![0; 32768], [INFO] [stderr] 49 | | registers: vec![0; 8], [INFO] [stderr] ... | [INFO] [stderr] 52 | | } [INFO] [stderr] 53 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::new_without_default_derive)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive [INFO] [stderr] help: try this [INFO] [stderr] | [INFO] [stderr] 37 | #[derive(Default)] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:68:34 [INFO] [stderr] | [INFO] [stderr] 68 | self.memory[i / 2] = (buf[i] as u16) | ((buf[i + 1] as u16) << 8); [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[i])` [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 u8 to u16 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:68:53 [INFO] [stderr] | [INFO] [stderr] 68 | self.memory[i / 2] = (buf[i] as u16) | ((buf[i + 1] as u16) << 8); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[i + 1])` [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:134:20 [INFO] [stderr] | [INFO] [stderr] 134 | let res = ((a as u32) + (b as u32)) % 32768; [INFO] [stderr] | ^^^^^^^^^^ help: try: `u32::from(a)` [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:134:33 [INFO] [stderr] | [INFO] [stderr] 134 | let res = ((a as u32) + (b as u32)) % 32768; [INFO] [stderr] | ^^^^^^^^^^ help: try: `u32::from(b)` [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:140:20 [INFO] [stderr] | [INFO] [stderr] 140 | let res = ((a as u32) * (b as u32)) % 32768; [INFO] [stderr] | ^^^^^^^^^^ help: try: `u32::from(a)` [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:140:33 [INFO] [stderr] | [INFO] [stderr] 140 | let res = ((a as u32) * (b as u32)) % 32768; [INFO] [stderr] | ^^^^^^^^^^ help: try: `u32::from(b)` [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: you should consider deriving a `Default` implementation for `Machine` [INFO] [stderr] --> src/lib.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | / pub fn new() -> Machine { [INFO] [stderr] 47 | | Machine { [INFO] [stderr] 48 | | memory: vec![0; 32768], [INFO] [stderr] 49 | | registers: vec![0; 8], [INFO] [stderr] ... | [INFO] [stderr] 52 | | } [INFO] [stderr] 53 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::new_without_default_derive)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive [INFO] [stderr] help: try this [INFO] [stderr] | [INFO] [stderr] 37 | #[derive(Default)] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:68:34 [INFO] [stderr] | [INFO] [stderr] 68 | self.memory[i / 2] = (buf[i] as u16) | ((buf[i + 1] as u16) << 8); [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[i])` [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 u8 to u16 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:68:53 [INFO] [stderr] | [INFO] [stderr] 68 | self.memory[i / 2] = (buf[i] as u16) | ((buf[i + 1] as u16) << 8); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[i + 1])` [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:255:38 [INFO] [stderr] | [INFO] [stderr] 255 | self.set_register(a, c as u16); [INFO] [stderr] | ^^^^^^^^ help: try: `u16::from(c)` [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:134:20 [INFO] [stderr] | [INFO] [stderr] 134 | let res = ((a as u32) + (b as u32)) % 32768; [INFO] [stderr] | ^^^^^^^^^^ help: try: `u32::from(a)` [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:134:33 [INFO] [stderr] | [INFO] [stderr] 134 | let res = ((a as u32) + (b as u32)) % 32768; [INFO] [stderr] | ^^^^^^^^^^ help: try: `u32::from(b)` [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:140:20 [INFO] [stderr] | [INFO] [stderr] 140 | let res = ((a as u32) * (b as u32)) % 32768; [INFO] [stderr] | ^^^^^^^^^^ help: try: `u32::from(a)` [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:140:33 [INFO] [stderr] | [INFO] [stderr] 140 | let res = ((a as u32) * (b as u32)) % 32768; [INFO] [stderr] | ^^^^^^^^^^ help: try: `u32::from(b)` [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:255:38 [INFO] [stderr] | [INFO] [stderr] 255 | self.set_register(a, c as u16); [INFO] [stderr] | ^^^^^^^^ help: try: `u16::from(c)` [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 0.96s [INFO] running `"docker" "inspect" "3815f878363be5069e9cf16c890c7eb31d8ad7cd40163be0d46c3bc8fb7db54d"` [INFO] running `"docker" "rm" "-f" "3815f878363be5069e9cf16c890c7eb31d8ad7cd40163be0d46c3bc8fb7db54d"` [INFO] [stdout] 3815f878363be5069e9cf16c890c7eb31d8ad7cd40163be0d46c3bc8fb7db54d