[INFO] cloning repository https://github.com/logiclogue/hex-machine-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/logiclogue/hex-machine-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flogiclogue%2Fhex-machine-rust"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flogiclogue%2Fhex-machine-rust'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6c3ae4c9842322be18e63df1468f55ffc9b93f39
[INFO] checking logiclogue/hex-machine-rust against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flogiclogue%2Fhex-machine-rust" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/logiclogue/hex-machine-rust on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/logiclogue/hex-machine-rust
[INFO] finished tweaking git repo https://github.com/logiclogue/hex-machine-rust
[INFO] tweaked toml for git repo https://github.com/logiclogue/hex-machine-rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/logiclogue/hex-machine-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3dec6e8d6f5547abf2db763fec304bc17574246513dbc50244a57081f7a2a01a
[INFO] running `"docker" "start" "-a" "3dec6e8d6f5547abf2db763fec304bc17574246513dbc50244a57081f7a2a01a"`
[INFO] [stderr]     Checking hex-machine-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: struct is never constructed: `Machine`
[INFO] [stderr]  --> src/machine.rs:1:12
[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:4:10
[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: 7 warnings emitted
[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] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "3dec6e8d6f5547abf2db763fec304bc17574246513dbc50244a57081f7a2a01a"`
[INFO] running `"docker" "rm" "-f" "3dec6e8d6f5547abf2db763fec304bc17574246513dbc50244a57081f7a2a01a"`
[INFO] [stdout] 3dec6e8d6f5547abf2db763fec304bc17574246513dbc50244a57081f7a2a01a