[INFO] updating cached repository logiclogue/hex-machine-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/logiclogue/hex-machine-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/logiclogue/hex-machine-rust" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/logiclogue/hex-machine-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/logiclogue/hex-machine-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/logiclogue/hex-machine-rust" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/logiclogue/hex-machine-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/logiclogue/hex-machine-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6c3ae4c9842322be18e63df1468f55ffc9b93f39
[INFO] sha for GitHub repo logiclogue/hex-machine-rust: 6c3ae4c9842322be18e63df1468f55ffc9b93f39
[INFO] validating manifest of logiclogue/hex-machine-rust on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of logiclogue/hex-machine-rust on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing logiclogue/hex-machine-rust
[INFO] finished frobbing logiclogue/hex-machine-rust
[INFO] frobbed toml for logiclogue/hex-machine-rust written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/logiclogue/hex-machine-rust/Cargo.toml
[INFO] started frobbing logiclogue/hex-machine-rust
[INFO] finished frobbing logiclogue/hex-machine-rust
[INFO] frobbed toml for logiclogue/hex-machine-rust written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/logiclogue/hex-machine-rust/Cargo.toml
[INFO] crate logiclogue/hex-machine-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking logiclogue/hex-machine-rust against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-0/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/logiclogue/hex-machine-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a7c025e5cd2f901c66831b8c934f282a5687baac44ff326c155eada5e3a91c5d
[INFO] running `"docker" "start" "-a" "a7c025e5cd2f901c66831b8c934f282a5687baac44ff326c155eada5e3a91c5d"`
[INFO] [stderr]     Checking hex-machine-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `Machine`
[INFO] [stderr]  --> src/machine.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Machine {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/machine.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_o_reg`
[INFO] [stderr]   --> src/machine.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn set_o_reg(self, value: u8) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_a_reg`
[INFO] [stderr]   --> src/machine.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn set_a_reg(self, value: u8) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_b_reg`
[INFO] [stderr]   --> src/machine.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn set_b_reg(self, value: u8) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Instruction`
[INFO] [stderr]  --> src/instruction.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Instruction {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute`
[INFO] [stderr]   --> src/instruction.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn execute(self, machine: Machine, mut memory: Memory) -> (Machine, Memory) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/instruction.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let mut machine = Machine::new();
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/instruction.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let mut memory = Memory::new();
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/instruction.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |     let mut memory = Memory::new();
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LDAC`
[INFO] [stderr]  --> src/instruction.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     LDAC,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LDBC`
[INFO] [stderr]  --> src/instruction.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     LDBC,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LDAP`
[INFO] [stderr]   --> src/instruction.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     LDAP,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LDAI`
[INFO] [stderr]   --> src/instruction.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     LDAI,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LDBI`
[INFO] [stderr]   --> src/instruction.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     LDBI,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `STAI`
[INFO] [stderr]   --> src/instruction.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     STAI,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BR`
[INFO] [stderr]   --> src/instruction.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     BR,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BRZ`
[INFO] [stderr]   --> src/instruction.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     BRZ,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BRN`
[INFO] [stderr]   --> src/instruction.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     BRN,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BRB`
[INFO] [stderr]   --> src/instruction.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     BRB,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ADD`
[INFO] [stderr]   --> src/instruction.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     ADD,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SUB`
[INFO] [stderr]   --> src/instruction.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     SUB,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PFIX`
[INFO] [stderr]   --> src/instruction.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     PFIX
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "a7c025e5cd2f901c66831b8c934f282a5687baac44ff326c155eada5e3a91c5d"`
[INFO] running `"docker" "rm" "-f" "a7c025e5cd2f901c66831b8c934f282a5687baac44ff326c155eada5e3a91c5d"`
[INFO] [stdout] a7c025e5cd2f901c66831b8c934f282a5687baac44ff326c155eada5e3a91c5d