[INFO] updating cached repository Krelix/rust_vm_tutorial
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Krelix/rust_vm_tutorial
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Krelix/rust_vm_tutorial" "work/ex/clippy-test-run/sources/stable/gh/Krelix/rust_vm_tutorial"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Krelix/rust_vm_tutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Krelix/rust_vm_tutorial" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Krelix/rust_vm_tutorial"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Krelix/rust_vm_tutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6ac69ddb70fa130b142c83f18e6339d8eb23e122
[INFO] sha for GitHub repo Krelix/rust_vm_tutorial: 6ac69ddb70fa130b142c83f18e6339d8eb23e122
[INFO] validating manifest of Krelix/rust_vm_tutorial 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 Krelix/rust_vm_tutorial 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 Krelix/rust_vm_tutorial
[INFO] finished frobbing Krelix/rust_vm_tutorial
[INFO] frobbed toml for Krelix/rust_vm_tutorial written to work/ex/clippy-test-run/sources/stable/gh/Krelix/rust_vm_tutorial/Cargo.toml
[INFO] started frobbing Krelix/rust_vm_tutorial
[INFO] finished frobbing Krelix/rust_vm_tutorial
[INFO] frobbed toml for Krelix/rust_vm_tutorial written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Krelix/rust_vm_tutorial/Cargo.toml
[INFO] crate Krelix/rust_vm_tutorial 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 Krelix/rust_vm_tutorial against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/Krelix/rust_vm_tutorial:/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] 155d38b67aace660ce02c1f73bbe81ba2c169987a197db8c3bb92342baeb2a49
[INFO] running `"docker" "start" "-a" "155d38b67aace660ce02c1f73bbe81ba2c169987a197db8c3bb92342baeb2a49"`
[INFO] [stderr]     Checking memchr v2.1.0
[INFO] [stderr]     Checking nom v4.0.0
[INFO] [stderr]     Checking rust_vm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: lint name `clippy` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/main.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![warn(clippy)]
[INFO] [stderr]   |         ^^^^^^ help: change it to: `clippy::all`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `clippy` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/main.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![warn(clippy)]
[INFO] [stderr]   |         ^^^^^^ help: change it to: `clippy::all`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `clippy` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/main.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![warn(clippy)]
[INFO] [stderr]   |         ^^^^^^ help: change it to: `clippy::all`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `vm::VM`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use vm::VM;
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `clippy` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/main.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![warn(clippy)]
[INFO] [stderr]   |         ^^^^^^ help: change it to: `clippy::all`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `vm::VM`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use vm::VM;
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `opcode`
[INFO] [stderr]   --> src/instruction.rs:85:3
[INFO] [stderr]    |
[INFO] [stderr] 85 |   opcode: OpCode
[INFO] [stderr]    |   ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/vm.rs:53:45
[INFO] [stderr]    |
[INFO] [stderr] 53 |         self.registers[register as usize] = number as i32;
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^ help: try: `i32::from(number)`
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/main.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![warn(clippy)]
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] implied by #[warn(clippy::all)]
[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 i32 may become silently lossy if types change
[INFO] [stderr]   --> src/vm.rs:61:55
[INFO] [stderr]    |
[INFO] [stderr] 61 |         self.registers[self.next_8_bits() as usize] = reg1 as i32 + reg2 as i32;
[INFO] [stderr]    |                                                       ^^^^^^^^^^^ help: try: `i32::from(reg1)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]   --> src/vm.rs:61:69
[INFO] [stderr]    |
[INFO] [stderr] 61 |         self.registers[self.next_8_bits() as usize] = reg1 as i32 + reg2 as i32;
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^ help: try: `i32::from(reg2)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]   --> src/vm.rs:66:55
[INFO] [stderr]    |
[INFO] [stderr] 66 |         self.registers[self.next_8_bits() as usize] = reg1 as i32 - reg2 as i32;
[INFO] [stderr]    |                                                       ^^^^^^^^^^^ help: try: `i32::from(reg1)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]   --> src/vm.rs:66:69
[INFO] [stderr]    |
[INFO] [stderr] 66 |         self.registers[self.next_8_bits() as usize] = reg1 as i32 - reg2 as i32;
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^ help: try: `i32::from(reg2)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]   --> src/vm.rs:71:55
[INFO] [stderr]    |
[INFO] [stderr] 71 |         self.registers[self.next_8_bits() as usize] = reg1 as i32 * reg2 as i32;
[INFO] [stderr]    |                                                       ^^^^^^^^^^^ help: try: `i32::from(reg1)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]   --> src/vm.rs:71:69
[INFO] [stderr]    |
[INFO] [stderr] 71 |         self.registers[self.next_8_bits() as usize] = reg1 as i32 * reg2 as i32;
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^ help: try: `i32::from(reg2)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]   --> src/vm.rs:77:55
[INFO] [stderr]    |
[INFO] [stderr] 77 |         self.registers[self.next_8_bits() as usize] = reg1 as i32 / reg2 as i32;
[INFO] [stderr]    |                                                       ^^^^^^^^^^^ help: try: `i32::from(reg1)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]   --> src/vm.rs:77:69
[INFO] [stderr]    |
[INFO] [stderr] 77 |         self.registers[self.next_8_bits() as usize] = reg1 as i32 / reg2 as i32;
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^ help: try: `i32::from(reg2)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/vm.rs:79:26
[INFO] [stderr]    |
[INFO] [stderr] 79 |         self.remainder = (reg1 % reg2) as u32;
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(reg1 % reg2)`
[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/vm.rs:185:19
[INFO] [stderr]     |
[INFO] [stderr] 185 |     let result = ((self.program[self.pc] as u16) << 8) | (self.program[self.pc + 1]) as u16;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.program[self.pc])`
[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/vm.rs:185:58
[INFO] [stderr]     |
[INFO] [stderr] 185 |     let result = ((self.program[self.pc] as u16) << 8) | (self.program[self.pc + 1]) as u16;
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from((self.program[self.pc + 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 i32 may become silently lossy if types change
[INFO] [stderr]   --> src/vm.rs:53:45
[INFO] [stderr]    |
[INFO] [stderr] 53 |         self.registers[register as usize] = number as i32;
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^ help: try: `i32::from(number)`
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/main.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![warn(clippy)]
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] implied by #[warn(clippy::all)]
[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 i32 may become silently lossy if types change
[INFO] [stderr]   --> src/vm.rs:61:55
[INFO] [stderr]    |
[INFO] [stderr] 61 |         self.registers[self.next_8_bits() as usize] = reg1 as i32 + reg2 as i32;
[INFO] [stderr]    |                                                       ^^^^^^^^^^^ help: try: `i32::from(reg1)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]   --> src/vm.rs:61:69
[INFO] [stderr]    |
[INFO] [stderr] 61 |         self.registers[self.next_8_bits() as usize] = reg1 as i32 + reg2 as i32;
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^ help: try: `i32::from(reg2)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]   --> src/vm.rs:66:55
[INFO] [stderr]    |
[INFO] [stderr] 66 |         self.registers[self.next_8_bits() as usize] = reg1 as i32 - reg2 as i32;
[INFO] [stderr]    |                                                       ^^^^^^^^^^^ help: try: `i32::from(reg1)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]   --> src/vm.rs:66:69
[INFO] [stderr]    |
[INFO] [stderr] 66 |         self.registers[self.next_8_bits() as usize] = reg1 as i32 - reg2 as i32;
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^ help: try: `i32::from(reg2)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]   --> src/vm.rs:71:55
[INFO] [stderr]    |
[INFO] [stderr] 71 |         self.registers[self.next_8_bits() as usize] = reg1 as i32 * reg2 as i32;
[INFO] [stderr]    |                                                       ^^^^^^^^^^^ help: try: `i32::from(reg1)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]   --> src/vm.rs:71:69
[INFO] [stderr]    |
[INFO] [stderr] 71 |         self.registers[self.next_8_bits() as usize] = reg1 as i32 * reg2 as i32;
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^ help: try: `i32::from(reg2)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]   --> src/vm.rs:77:55
[INFO] [stderr]    |
[INFO] [stderr] 77 |         self.registers[self.next_8_bits() as usize] = reg1 as i32 / reg2 as i32;
[INFO] [stderr]    |                                                       ^^^^^^^^^^^ help: try: `i32::from(reg1)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]   --> src/vm.rs:77:69
[INFO] [stderr]    |
[INFO] [stderr] 77 |         self.registers[self.next_8_bits() as usize] = reg1 as i32 / reg2 as i32;
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^ help: try: `i32::from(reg2)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/vm.rs:79:26
[INFO] [stderr]    |
[INFO] [stderr] 79 |         self.remainder = (reg1 % reg2) as u32;
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(reg1 % reg2)`
[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/vm.rs:185:19
[INFO] [stderr]     |
[INFO] [stderr] 185 |     let result = ((self.program[self.pc] as u16) << 8) | (self.program[self.pc + 1]) as u16;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.program[self.pc])`
[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/vm.rs:185:58
[INFO] [stderr]     |
[INFO] [stderr] 185 |     let result = ((self.program[self.pc] as u16) << 8) | (self.program[self.pc + 1]) as u16;
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from((self.program[self.pc + 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]     Finished dev [unoptimized + debuginfo] target(s) in 6.39s
[INFO] running `"docker" "inspect" "155d38b67aace660ce02c1f73bbe81ba2c169987a197db8c3bb92342baeb2a49"`
[INFO] running `"docker" "rm" "-f" "155d38b67aace660ce02c1f73bbe81ba2c169987a197db8c3bb92342baeb2a49"`
[INFO] [stdout] 155d38b67aace660ce02c1f73bbe81ba2c169987a197db8c3bb92342baeb2a49