Dec 17 20:36:44.531 INFO checking logiclogue/hex-machine-rust against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 20:36:44.531 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/logiclogue/hex-machine-rust:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 20:36:44.933 INFO [stdout] 1b33047876f90acba3899e57c8fe6dc83b9e268472c80b5e9b24730e9ec2a820
Dec 17 20:36:44.935 INFO running `"docker" "start" "-a" "1b33047876f90acba3899e57c8fe6dc83b9e268472c80b5e9b24730e9ec2a820"`
Dec 17 20:36:46.611 INFO [stderr]     Checking hex-machine-rust v0.1.0 (/opt/crater/workdir)
Dec 17 20:36:46.836 INFO [stderr] warning: struct is never constructed: `Machine`
Dec 17 20:36:46.836 INFO [stderr]  --> src/machine.rs:1:1
Dec 17 20:36:46.836 INFO [stderr]   |
Dec 17 20:36:46.836 INFO [stderr] 1 | pub struct Machine {
Dec 17 20:36:46.836 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 17 20:36:46.836 INFO [stderr]   |
Dec 17 20:36:46.836 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 20:36:46.836 INFO [stderr] 
Dec 17 20:36:46.836 INFO [stderr] warning: method is never used: `new`
Dec 17 20:36:46.836 INFO [stderr]   --> src/machine.rs:10:5
Dec 17 20:36:46.837 INFO [stderr]    |
Dec 17 20:36:46.837 INFO [stderr] 10 |     pub fn new() -> Self {
Dec 17 20:36:46.837 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 20:36:46.837 INFO [stderr] 
Dec 17 20:36:46.837 INFO [stderr] warning: method is never used: `set_o_reg`
Dec 17 20:36:46.837 INFO [stderr]   --> src/machine.rs:20:5
Dec 17 20:36:46.837 INFO [stderr]    |
Dec 17 20:36:46.837 INFO [stderr] 20 |     pub fn set_o_reg(self, value: u8) -> Self {
Dec 17 20:36:46.837 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:36:46.837 INFO [stderr] 
Dec 17 20:36:46.837 INFO [stderr] warning: method is never used: `set_a_reg`
Dec 17 20:36:46.837 INFO [stderr]   --> src/machine.rs:30:5
Dec 17 20:36:46.837 INFO [stderr]    |
Dec 17 20:36:46.837 INFO [stderr] 30 |     pub fn set_a_reg(self, value: u8) -> Self {
Dec 17 20:36:46.837 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:36:46.837 INFO [stderr] 
Dec 17 20:36:46.837 INFO [stderr] warning: method is never used: `set_b_reg`
Dec 17 20:36:46.837 INFO [stderr]   --> src/machine.rs:40:5
Dec 17 20:36:46.837 INFO [stderr]    |
Dec 17 20:36:46.837 INFO [stderr] 40 |     pub fn set_b_reg(self, value: u8) -> Self {
Dec 17 20:36:46.837 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:36:46.837 INFO [stderr] 
Dec 17 20:36:46.837 INFO [stderr] warning: enum is never used: `Instruction`
Dec 17 20:36:46.837 INFO [stderr]  --> src/instruction.rs:4:1
Dec 17 20:36:46.837 INFO [stderr]   |
Dec 17 20:36:46.837 INFO [stderr] 4 | pub enum Instruction {
Dec 17 20:36:46.837 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Dec 17 20:36:46.837 INFO [stderr] 
Dec 17 20:36:46.837 INFO [stderr] warning: method is never used: `execute`
Dec 17 20:36:46.837 INFO [stderr]   --> src/instruction.rs:24:5
Dec 17 20:36:46.837 INFO [stderr]    |
Dec 17 20:36:46.837 INFO [stderr] 24 |     pub fn execute(self, machine: Machine, mut memory: Memory) -> (Machine, Memory) {
Dec 17 20:36:46.837 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:36:46.837 INFO [stderr] 
Dec 17 20:36:46.840 INFO [stderr] warning: variable does not need to be mutable
Dec 17 20:36:46.840 INFO [stderr]   --> src/instruction.rs:43:9
Dec 17 20:36:46.840 INFO [stderr]    |
Dec 17 20:36:46.840 INFO [stderr] 43 |     let mut machine = Machine::new();
Dec 17 20:36:46.840 INFO [stderr]    |         ----^^^^^^^
Dec 17 20:36:46.840 INFO [stderr]    |         |
Dec 17 20:36:46.840 INFO [stderr]    |         help: remove this `mut`
Dec 17 20:36:46.840 INFO [stderr]    |
Dec 17 20:36:46.840 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 20:36:46.840 INFO [stderr] 
Dec 17 20:36:46.840 INFO [stderr] warning: variable does not need to be mutable
Dec 17 20:36:46.840 INFO [stderr]   --> src/instruction.rs:44:9
Dec 17 20:36:46.840 INFO [stderr]    |
Dec 17 20:36:46.840 INFO [stderr] 44 |     let mut memory = Memory::new();
Dec 17 20:36:46.840 INFO [stderr]    |         ----^^^^^^
Dec 17 20:36:46.840 INFO [stderr]    |         |
Dec 17 20:36:46.840 INFO [stderr]    |         help: remove this `mut`
Dec 17 20:36:46.840 INFO [stderr] 
Dec 17 20:36:46.844 INFO [stderr] warning: variable does not need to be mutable
Dec 17 20:36:46.844 INFO [stderr]   --> src/instruction.rs:96:9
Dec 17 20:36:46.844 INFO [stderr]    |
Dec 17 20:36:46.844 INFO [stderr] 96 |     let mut memory = Memory::new();
Dec 17 20:36:46.844 INFO [stderr]    |         ----^^^^^^
Dec 17 20:36:46.844 INFO [stderr]    |         |
Dec 17 20:36:46.844 INFO [stderr]    |         help: remove this `mut`
Dec 17 20:36:46.844 INFO [stderr] 
Dec 17 20:36:46.848 INFO [stderr] warning: variant is never constructed: `LDAC`
Dec 17 20:36:46.848 INFO [stderr]  --> src/instruction.rs:8:5
Dec 17 20:36:46.848 INFO [stderr]   |
Dec 17 20:36:46.848 INFO [stderr] 8 |     LDAC,
Dec 17 20:36:46.848 INFO [stderr]   |     ^^^^
Dec 17 20:36:46.848 INFO [stderr]   |
Dec 17 20:36:46.848 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 20:36:46.848 INFO [stderr] 
Dec 17 20:36:46.849 INFO [stderr] warning: variant is never constructed: `LDBC`
Dec 17 20:36:46.849 INFO [stderr]  --> src/instruction.rs:9:5
Dec 17 20:36:46.849 INFO [stderr]   |
Dec 17 20:36:46.849 INFO [stderr] 9 |     LDBC,
Dec 17 20:36:46.849 INFO [stderr]   |     ^^^^
Dec 17 20:36:46.849 INFO [stderr] 
Dec 17 20:36:46.849 INFO [stderr] warning: variant is never constructed: `LDAP`
Dec 17 20:36:46.849 INFO [stderr]   --> src/instruction.rs:10:5
Dec 17 20:36:46.849 INFO [stderr]    |
Dec 17 20:36:46.849 INFO [stderr] 10 |     LDAP,
Dec 17 20:36:46.849 INFO [stderr]    |     ^^^^
Dec 17 20:36:46.849 INFO [stderr] 
Dec 17 20:36:46.849 INFO [stderr] warning: variant is never constructed: `LDAI`
Dec 17 20:36:46.849 INFO [stderr]   --> src/instruction.rs:11:5
Dec 17 20:36:46.849 INFO [stderr]    |
Dec 17 20:36:46.849 INFO [stderr] 11 |     LDAI,
Dec 17 20:36:46.849 INFO [stderr]    |     ^^^^
Dec 17 20:36:46.849 INFO [stderr] 
Dec 17 20:36:46.849 INFO [stderr] warning: variant is never constructed: `LDBI`
Dec 17 20:36:46.849 INFO [stderr]   --> src/instruction.rs:12:5
Dec 17 20:36:46.849 INFO [stderr]    |
Dec 17 20:36:46.849 INFO [stderr] 12 |     LDBI,
Dec 17 20:36:46.849 INFO [stderr]    |     ^^^^
Dec 17 20:36:46.849 INFO [stderr] 
Dec 17 20:36:46.849 INFO [stderr] warning: variant is never constructed: `STAI`
Dec 17 20:36:46.849 INFO [stderr]   --> src/instruction.rs:13:5
Dec 17 20:36:46.849 INFO [stderr]    |
Dec 17 20:36:46.849 INFO [stderr] 13 |     STAI,
Dec 17 20:36:46.849 INFO [stderr]    |     ^^^^
Dec 17 20:36:46.849 INFO [stderr] 
Dec 17 20:36:46.849 INFO [stderr] warning: variant is never constructed: `BR`
Dec 17 20:36:46.849 INFO [stderr]   --> src/instruction.rs:14:5
Dec 17 20:36:46.849 INFO [stderr]    |
Dec 17 20:36:46.849 INFO [stderr] 14 |     BR,
Dec 17 20:36:46.849 INFO [stderr]    |     ^^
Dec 17 20:36:46.849 INFO [stderr] 
Dec 17 20:36:46.849 INFO [stderr] warning: variant is never constructed: `BRZ`
Dec 17 20:36:46.849 INFO [stderr]   --> src/instruction.rs:15:5
Dec 17 20:36:46.849 INFO [stderr]    |
Dec 17 20:36:46.849 INFO [stderr] 15 |     BRZ,
Dec 17 20:36:46.849 INFO [stderr]    |     ^^^
Dec 17 20:36:46.849 INFO [stderr] 
Dec 17 20:36:46.849 INFO [stderr] warning: variant is never constructed: `BRN`
Dec 17 20:36:46.849 INFO [stderr]   --> src/instruction.rs:16:5
Dec 17 20:36:46.849 INFO [stderr]    |
Dec 17 20:36:46.849 INFO [stderr] 16 |     BRN,
Dec 17 20:36:46.849 INFO [stderr]    |     ^^^
Dec 17 20:36:46.849 INFO [stderr] 
Dec 17 20:36:46.849 INFO [stderr] warning: variant is never constructed: `BRB`
Dec 17 20:36:46.849 INFO [stderr]   --> src/instruction.rs:17:5
Dec 17 20:36:46.849 INFO [stderr]    |
Dec 17 20:36:46.849 INFO [stderr] 17 |     BRB,
Dec 17 20:36:46.849 INFO [stderr]    |     ^^^
Dec 17 20:36:46.849 INFO [stderr] 
Dec 17 20:36:46.849 INFO [stderr] warning: variant is never constructed: `ADD`
Dec 17 20:36:46.849 INFO [stderr]   --> src/instruction.rs:18:5
Dec 17 20:36:46.849 INFO [stderr]    |
Dec 17 20:36:46.849 INFO [stderr] 18 |     ADD,
Dec 17 20:36:46.849 INFO [stderr]    |     ^^^
Dec 17 20:36:46.849 INFO [stderr] 
Dec 17 20:36:46.849 INFO [stderr] warning: variant is never constructed: `SUB`
Dec 17 20:36:46.849 INFO [stderr]   --> src/instruction.rs:19:5
Dec 17 20:36:46.849 INFO [stderr]    |
Dec 17 20:36:46.849 INFO [stderr] 19 |     SUB,
Dec 17 20:36:46.849 INFO [stderr]    |     ^^^
Dec 17 20:36:46.849 INFO [stderr] 
Dec 17 20:36:46.849 INFO [stderr] warning: variant is never constructed: `PFIX`
Dec 17 20:36:46.849 INFO [stderr]   --> src/instruction.rs:20:5
Dec 17 20:36:46.849 INFO [stderr]    |
Dec 17 20:36:46.849 INFO [stderr] 20 |     PFIX
Dec 17 20:36:46.849 INFO [stderr]    |     ^^^^
Dec 17 20:36:46.849 INFO [stderr] 
Dec 17 20:36:46.900 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
Dec 17 20:36:47.590 INFO running `"docker" "inspect" "1b33047876f90acba3899e57c8fe6dc83b9e268472c80b5e9b24730e9ec2a820"`
Dec 17 20:36:47.863 INFO running `"docker" "rm" "-f" "1b33047876f90acba3899e57c8fe6dc83b9e268472c80b5e9b24730e9ec2a820"`
Dec 17 20:36:48.036 INFO [stdout] 1b33047876f90acba3899e57c8fe6dc83b9e268472c80b5e9b24730e9ec2a820