[INFO] cloning repository https://github.com/AumyF/fers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AumyF/fers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAumyF%2Ffers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAumyF%2Ffers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4186c8e7228f5b994ed1ed10e81a83f642159bf3
[INFO] checking AumyF/fers against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAumyF%2Ffers" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AumyF/fers on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AumyF/fers
[INFO] finished tweaking git repo https://github.com/AumyF/fers
[INFO] tweaked toml for git repo https://github.com/AumyF/fers written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/AumyF/fers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a74dec4646984878e7f9220ee0fc1a09dbd6d7d0f53990f205594c3902db89f9
[INFO] running `Command { std: "docker" "start" "-a" "a74dec4646984878e7f9220ee0fc1a09dbd6d7d0f53990f205594c3902db89f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a74dec4646984878e7f9220ee0fc1a09dbd6d7d0f53990f205594c3902db89f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a74dec4646984878e7f9220ee0fc1a09dbd6d7d0f53990f205594c3902db89f9", kill_on_drop: false }`
[INFO] [stdout] a74dec4646984878e7f9220ee0fc1a09dbd6d7d0f53990f205594c3902db89f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b4bab0d0cb0e7f8de65f0f399f0ac376d47c087d4ac55247ea003c3aab77022
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1b4bab0d0cb0e7f8de65f0f399f0ac376d47c087d4ac55247ea003c3aab77022", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking fers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]  --> src/lib.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{error, fmt, io};
[INFO] [stdout]   |                       ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]  --> src/lib.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{error, fmt, io};
[INFO] [stdout]   |                       ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GeneralRegister`
[INFO] [stdout]   --> src/lib.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct GeneralRegister([i16; 8]);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `StackPointer`
[INFO] [stdout]   --> src/lib.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct StackPointer(u16);
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ProgramRegister`
[INFO] [stdout]   --> src/lib.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct ProgramRegister(u16);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/lib.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     value: i16,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `FlagRegister`
[INFO] [stdout]   --> src/lib.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct FlagRegister(i16, i16, i16);
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `isIndexRegister` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn isIndexRegister(&self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `is_index_register`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GeneralRegister`
[INFO] [stdout]   --> src/lib.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct GeneralRegister([i16; 8]);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `StackPointer`
[INFO] [stdout]   --> src/lib.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct StackPointer(u16);
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ProgramRegister`
[INFO] [stdout]   --> src/lib.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct ProgramRegister(u16);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/lib.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     value: i16,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `FlagRegister`
[INFO] [stdout]   --> src/lib.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct FlagRegister(i16, i16, i16);
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `isIndexRegister` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn isIndexRegister(&self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `is_index_register`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread::sleep`, `time::Duration`
[INFO] [stdout]  --> src/main.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{error::Error, thread::sleep, time::Duration};
[INFO] [stdout]   |                         ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BitAnd`, `BitOr`, `BitXor`
[INFO] [stdout]  --> src/core/machine.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::ops::{BitAnd, BitOr, BitXor};
[INFO] [stdout]   |                ^^^^^^  ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vec`
[INFO] [stdout]  --> src/core/machine.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{io, vec};
[INFO] [stdout]   |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error`, `io`
[INFO] [stdout]    --> src/core/operations.rs:175:15
[INFO] [stdout]     |
[INFO] [stdout] 175 |     use std::{error, io};
[INFO] [stdout]     |               ^^^^^  ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::core::machine::Machine`
[INFO] [stdout]    --> src/core/operations.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |     use crate::core::machine::Machine;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]  --> src/lib.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{error, fmt, io};
[INFO] [stdout]   |                       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread::sleep`, `time::Duration`
[INFO] [stdout]  --> src/main.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{error::Error, thread::sleep, time::Duration};
[INFO] [stdout]   |                         ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BitAnd`, `BitOr`, `BitXor`
[INFO] [stdout]  --> src/core/machine.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::ops::{BitAnd, BitOr, BitXor};
[INFO] [stdout]   |                ^^^^^^  ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vec`
[INFO] [stdout]  --> src/core/machine.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{io, vec};
[INFO] [stdout]   |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error`, `io`
[INFO] [stdout]    --> src/core/operations.rs:175:15
[INFO] [stdout]     |
[INFO] [stdout] 175 |     use std::{error, io};
[INFO] [stdout]     |               ^^^^^  ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::core::machine::Machine`
[INFO] [stdout]    --> src/core/operations.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |     use crate::core::machine::Machine;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]  --> src/lib.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{error, fmt, io};
[INFO] [stdout]   |                       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::ToPairBlanket`
[INFO] [stdout]   --> src/utils/to_pairs.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     use super::ToPairBlanket;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index_gr_num`
[INFO] [stdout]   --> src/core/machine.rs:79:30
[INFO] [stdout]    |
[INFO] [stdout] 79 |                     let (_, &index_gr_num) = tr.get_pair();
[INFO] [stdout]    |                              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_index_gr_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/core/machine.rs:87:30
[INFO] [stdout]    |
[INFO] [stdout] 87 |                     let (_, &index) = tr.get_pair();
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]   --> src/core/memory.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let bytes = stream.read_to_end(&mut buf)?;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index_gr_num`
[INFO] [stdout]   --> src/core/machine.rs:79:30
[INFO] [stdout]    |
[INFO] [stdout] 79 |                     let (_, &index_gr_num) = tr.get_pair();
[INFO] [stdout]    |                              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_index_gr_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/core/machine.rs:87:30
[INFO] [stdout]    |
[INFO] [stdout] 87 |                     let (_, &index) = tr.get_pair();
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]   --> src/core/memory.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let bytes = stream.read_to_end(&mut buf)?;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mem_info`
[INFO] [stdout]    --> src/core/machine.rs:139:12
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn mem_info(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pr_at`
[INFO] [stdout]    --> src/core/machine.rs:147:12
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn pr_at(&self) -> String {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CompareArithmetic1`
[INFO] [stdout]   --> src/core/operations.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     CompareArithmetic1(TwoRegisters),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CompareLogical1`
[INFO] [stdout]   --> src/core/operations.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     CompareLogical1(TwoRegisters),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GeneralRegister`
[INFO] [stdout]   --> src/lib.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct GeneralRegister([i16; 8]);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `StackPointer`
[INFO] [stdout]   --> src/lib.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct StackPointer(u16);
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ProgramRegister`
[INFO] [stdout]   --> src/lib.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct ProgramRegister(u16);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/lib.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     value: i16,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `FlagRegister`
[INFO] [stdout]   --> src/lib.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct FlagRegister(i16, i16, i16);
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_pairs`
[INFO] [stdout]   --> src/utils/to_pairs.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn to_pairs<I: Iterator>(i: I) -> ToPair<I> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `isIndexRegister` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn isIndexRegister(&self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `is_index_register`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mem_info`
[INFO] [stdout]    --> src/core/machine.rs:139:12
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn mem_info(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pr_at`
[INFO] [stdout]    --> src/core/machine.rs:147:12
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn pr_at(&self) -> String {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CompareArithmetic1`
[INFO] [stdout]   --> src/core/operations.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     CompareArithmetic1(TwoRegisters),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CompareLogical1`
[INFO] [stdout]   --> src/core/operations.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     CompareLogical1(TwoRegisters),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GeneralRegister`
[INFO] [stdout]   --> src/lib.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct GeneralRegister([i16; 8]);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `StackPointer`
[INFO] [stdout]   --> src/lib.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct StackPointer(u16);
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ProgramRegister`
[INFO] [stdout]   --> src/lib.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct ProgramRegister(u16);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/lib.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     value: i16,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `FlagRegister`
[INFO] [stdout]   --> src/lib.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct FlagRegister(i16, i16, i16);
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_pairs`
[INFO] [stdout]   --> src/utils/to_pairs.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn to_pairs<I: Iterator>(i: I) -> ToPair<I> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `isIndexRegister` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn isIndexRegister(&self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `is_index_register`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.30s
[INFO] running `Command { std: "docker" "inspect" "1b4bab0d0cb0e7f8de65f0f399f0ac376d47c087d4ac55247ea003c3aab77022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b4bab0d0cb0e7f8de65f0f399f0ac376d47c087d4ac55247ea003c3aab77022", kill_on_drop: false }`
[INFO] [stdout] 1b4bab0d0cb0e7f8de65f0f399f0ac376d47c087d4ac55247ea003c3aab77022