[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] 9c0a8399cfbfb7985fdaafc07ca9583f57438c81
[INFO] testing AumyF/fers against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAumyF%2Ffers" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AumyF/fers on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-9/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" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 67ebe593df56666045eb360be3e5a662920100d27de4525604e614597f500d82
[INFO] running `Command { std: "docker" "start" "-a" "67ebe593df56666045eb360be3e5a662920100d27de4525604e614597f500d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67ebe593df56666045eb360be3e5a662920100d27de4525604e614597f500d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67ebe593df56666045eb360be3e5a662920100d27de4525604e614597f500d82", kill_on_drop: false }`
[INFO] [stdout] 67ebe593df56666045eb360be3e5a662920100d27de4525604e614597f500d82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60c21e9a67ef4a39fe9ea40e5dc8e53da1330ebd553932688125e85df5c5ab8d
[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" "60c21e9a67ef4a39fe9ea40e5dc8e53da1330ebd553932688125e85df5c5ab8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling 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: 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: 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 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 variable: `a`
[INFO] [stdout]   --> src/casl/parser.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let a = Some(());
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/casl/parser.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let b = Some(());
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/casl/parser.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let c = Some(());
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `position_line`
[INFO] [stdout]   --> src/casl/parser.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let position_line = self.position.line;
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]   --> src/core/memory.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         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: 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: struct is never constructed: `Source`
[INFO] [stdout]  --> src/casl/ast.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Source<'a>(Vec<Line<'a>>);
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Line`
[INFO] [stdout]  --> src/casl/ast.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Line<'a> {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CommentLine`
[INFO] [stdout]  --> src/casl/ast.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct CommentLine<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Label`
[INFO] [stdout]   --> src/casl/ast.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Label<'a>(&'a str);
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Opecode`
[INFO] [stdout]   --> src/casl/ast.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum Opecode {}
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Operand`
[INFO] [stdout]   --> src/casl/ast.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum Operand {}
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `OperationLine`
[INFO] [stdout]   --> src/casl/ast.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub enum OperationLine<'a> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `OperandLine`
[INFO] [stdout]   --> src/casl/ast.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct OperandLine<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NoOperandLine`
[INFO] [stdout]   --> src/casl/ast.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct NoOperandLine<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fold`
[INFO] [stdout]   --> src/casl/list.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn fold() {}
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line`
[INFO] [stdout]  --> src/casl/parser.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     line: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Position` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/casl/parser.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Clone)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `column`
[INFO] [stdout]  --> src/casl/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     column: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Position` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/casl/parser.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Clone)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lines`
[INFO] [stdout]  --> src/casl/parser.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     lines: &'a [&'a str],
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `ParserState` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/casl/parser.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Clone)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `position`
[INFO] [stdout]   --> src/casl/parser.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     position: Position,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ParserState` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/casl/parser.rs:7:10
[INFO] [stdout]    |
[INFO] [stdout] 7  | #[derive(Clone)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ParserError`
[INFO] [stdout]   --> src/casl/parser.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct ParserError {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `ParseResult`
[INFO] [stdout]   --> src/casl/parser.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | type ParseResult<T> = Result<T, ParserError>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Parser`
[INFO] [stdout]   --> src/casl/parser.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Parser {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `increment_line`
[INFO] [stdout]   --> src/casl/parser.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn increment_line(&self) -> Position {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `increment_column`
[INFO] [stdout]   --> src/casl/parser.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn increment_column(&self) -> Position {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_at_end_of_input`
[INFO] [stdout]   --> src/casl/parser.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn is_at_end_of_input(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_current_line`
[INFO] [stdout]   --> src/casl/parser.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn get_current_line(&self) -> Option<&&str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_next_char`
[INFO] [stdout]   --> src/casl/parser.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn get_next_char(&self) -> (ParserState, Option<char>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `f`
[INFO] [stdout]   --> src/casl/parser.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn f() {
[INFO] [stdout]    |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mem_info`
[INFO] [stdout]    --> src/core/machine.rs:251:12
[INFO] [stdout]     |
[INFO] [stdout] 251 |     pub fn mem_info(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pr_at`
[INFO] [stdout]    --> src/core/machine.rs:259:12
[INFO] [stdout]     |
[INFO] [stdout] 259 |     pub fn pr_at(&self) -> String {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `r1`
[INFO] [stdout]    --> src/core/operations.rs:199:5
[INFO] [stdout]     |
[INFO] [stdout] 199 |     r1: u16,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `TwoRegisters` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/core/operations.rs:197:10
[INFO] [stdout]     |
[INFO] [stdout] 197 | #[derive(Debug, Clone, Copy)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `r2`
[INFO] [stdout]    --> src/core/operations.rs:200:5
[INFO] [stdout]     |
[INFO] [stdout] 200 |     r2: u16,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `TwoRegisters` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/core/operations.rs:197:10
[INFO] [stdout]     |
[INFO] [stdout] 197 | #[derive(Debug, Clone, Copy)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_pair`
[INFO] [stdout]    --> src/core/operations.rs:223:12
[INFO] [stdout]     |
[INFO] [stdout] 223 |     pub fn get_pair(&self) -> (&u16, &u16) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `index`
[INFO] [stdout]   --> src/core/register.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn index(&self, two: TwoRegisters) -> IndexRegister {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/core/register.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn new(gr: u16) -> IndexRegister {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `value`
[INFO] [stdout]   --> src/core/register.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn value(&self) -> u16 {
[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: 45 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.96s
[INFO] running `Command { std: "docker" "inspect" "60c21e9a67ef4a39fe9ea40e5dc8e53da1330ebd553932688125e85df5c5ab8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60c21e9a67ef4a39fe9ea40e5dc8e53da1330ebd553932688125e85df5c5ab8d", kill_on_drop: false }`
[INFO] [stdout] 60c21e9a67ef4a39fe9ea40e5dc8e53da1330ebd553932688125e85df5c5ab8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", 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] bbbf9bb2d9fa2f20c0e2edda255106eaa4a17b795acc6053ec31814f2093e48c
[INFO] running `Command { std: "docker" "start" "-a" "bbbf9bb2d9fa2f20c0e2edda255106eaa4a17b795acc6053ec31814f2093e48c", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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: 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: 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: `error`, `io`
[INFO] [stdout]    --> src/core/operations.rs:231:15
[INFO] [stdout]     |
[INFO] [stdout] 231 |     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:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |     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 variable: `a`
[INFO] [stdout]   --> src/casl/parser.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let a = Some(());
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/casl/parser.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let b = Some(());
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/casl/parser.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let c = Some(());
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `position_line`
[INFO] [stdout]   --> src/casl/parser.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let position_line = self.position.line;
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]   --> src/core/memory.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         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: 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: struct is never constructed: `Source`
[INFO] [stdout]  --> src/casl/ast.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Source<'a>(Vec<Line<'a>>);
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Line`
[INFO] [stdout]  --> src/casl/ast.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Line<'a> {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CommentLine`
[INFO] [stdout]  --> src/casl/ast.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct CommentLine<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Label`
[INFO] [stdout]   --> src/casl/ast.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Label<'a>(&'a str);
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Opecode`
[INFO] [stdout]   --> src/casl/ast.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum Opecode {}
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Operand`
[INFO] [stdout]   --> src/casl/ast.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum Operand {}
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `OperationLine`
[INFO] [stdout]   --> src/casl/ast.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub enum OperationLine<'a> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `OperandLine`
[INFO] [stdout]   --> src/casl/ast.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct OperandLine<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NoOperandLine`
[INFO] [stdout]   --> src/casl/ast.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct NoOperandLine<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fold`
[INFO] [stdout]   --> src/casl/list.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn fold() {}
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line`
[INFO] [stdout]  --> src/casl/parser.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     line: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Position` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/casl/parser.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Clone)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `column`
[INFO] [stdout]  --> src/casl/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     column: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Position` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/casl/parser.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Clone)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lines`
[INFO] [stdout]  --> src/casl/parser.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     lines: &'a [&'a str],
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `ParserState` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/casl/parser.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Clone)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `position`
[INFO] [stdout]   --> src/casl/parser.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     position: Position,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ParserState` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/casl/parser.rs:7:10
[INFO] [stdout]    |
[INFO] [stdout] 7  | #[derive(Clone)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ParserError`
[INFO] [stdout]   --> src/casl/parser.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct ParserError {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `ParseResult`
[INFO] [stdout]   --> src/casl/parser.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | type ParseResult<T> = Result<T, ParserError>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Parser`
[INFO] [stdout]   --> src/casl/parser.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Parser {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `increment_line`
[INFO] [stdout]   --> src/casl/parser.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn increment_line(&self) -> Position {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `increment_column`
[INFO] [stdout]   --> src/casl/parser.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn increment_column(&self) -> Position {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_at_end_of_input`
[INFO] [stdout]   --> src/casl/parser.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn is_at_end_of_input(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_current_line`
[INFO] [stdout]   --> src/casl/parser.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn get_current_line(&self) -> Option<&&str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_next_char`
[INFO] [stdout]   --> src/casl/parser.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn get_next_char(&self) -> (ParserState, Option<char>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `f`
[INFO] [stdout]   --> src/casl/parser.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn f() {
[INFO] [stdout]    |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mem_info`
[INFO] [stdout]    --> src/core/machine.rs:251:12
[INFO] [stdout]     |
[INFO] [stdout] 251 |     pub fn mem_info(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pr_at`
[INFO] [stdout]    --> src/core/machine.rs:259:12
[INFO] [stdout]     |
[INFO] [stdout] 259 |     pub fn pr_at(&self) -> String {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `r1`
[INFO] [stdout]    --> src/core/operations.rs:199:5
[INFO] [stdout]     |
[INFO] [stdout] 199 |     r1: u16,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `TwoRegisters` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/core/operations.rs:197:10
[INFO] [stdout]     |
[INFO] [stdout] 197 | #[derive(Debug, Clone, Copy)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `r2`
[INFO] [stdout]    --> src/core/operations.rs:200:5
[INFO] [stdout]     |
[INFO] [stdout] 200 |     r2: u16,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `TwoRegisters` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/core/operations.rs:197:10
[INFO] [stdout]     |
[INFO] [stdout] 197 | #[derive(Debug, Clone, Copy)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_pair`
[INFO] [stdout]    --> src/core/operations.rs:223:12
[INFO] [stdout]     |
[INFO] [stdout] 223 |     pub fn get_pair(&self) -> (&u16, &u16) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `index`
[INFO] [stdout]   --> src/core/register.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn index(&self, two: TwoRegisters) -> IndexRegister {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/core/register.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn new(gr: u16) -> IndexRegister {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `value`
[INFO] [stdout]   --> src/core/register.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn value(&self) -> u16 {
[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: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 47 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.98s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/fers-66132cf978113bd9)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/fers-71b1150b4dcd9c3a)
[INFO] running `Command { std: "docker" "inspect" "bbbf9bb2d9fa2f20c0e2edda255106eaa4a17b795acc6053ec31814f2093e48c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbbf9bb2d9fa2f20c0e2edda255106eaa4a17b795acc6053ec31814f2093e48c", kill_on_drop: false }`
[INFO] [stdout] bbbf9bb2d9fa2f20c0e2edda255106eaa4a17b795acc6053ec31814f2093e48c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] 716ae7f3ed68ba9a6391821d239ceaf8458e92efd94fb895e88cfe21e72f2d27
[INFO] running `Command { std: "docker" "start" "-a" "716ae7f3ed68ba9a6391821d239ceaf8458e92efd94fb895e88cfe21e72f2d27", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `io`
[INFO] [stderr]  --> src/lib.rs:8:23
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::{error, fmt, io};
[INFO] [stderr]   |                       ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GeneralRegister`
[INFO] [stderr]   --> src/lib.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct GeneralRegister([i16; 8]);
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `StackPointer`
[INFO] [stderr]   --> src/lib.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | struct StackPointer(u16);
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ProgramRegister`
[INFO] [stderr]   --> src/lib.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | struct ProgramRegister(u16);
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `value`
[INFO] [stderr]   --> src/lib.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     value: i16,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FlagRegister`
[INFO] [stderr]   --> src/lib.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | struct FlagRegister(i16, i16, i16);
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait method `isIndexRegister` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn isIndexRegister(&self) -> bool;
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `is_index_register`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fers` (lib) generated 7 warnings
[INFO] [stderr] warning: `fers` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr] warning: unused imports: `thread::sleep`, `time::Duration`
[INFO] [stderr]  --> src/main.rs:1:25
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{error::Error, thread::sleep, time::Duration};
[INFO] [stderr]   |                         ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `error`, `io`
[INFO] [stderr]    --> src/core/operations.rs:231:15
[INFO] [stderr]     |
[INFO] [stderr] 231 |     use std::{error, io};
[INFO] [stderr]     |               ^^^^^  ^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::core::machine::Machine`
[INFO] [stderr]    --> src/core/operations.rs:233:9
[INFO] [stderr]     |
[INFO] [stderr] 233 |     use crate::core::machine::Machine;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `io`
[INFO] [stderr]  --> src/lib.rs:8:23
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::{error, fmt, io};
[INFO] [stderr]   |                       ^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/casl/parser.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |     let a = Some(());
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/casl/parser.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |     let b = Some(());
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/casl/parser.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |     let c = Some(());
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `position_line`
[INFO] [stderr]   --> src/casl/parser.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |         let position_line = self.position.line;
[INFO] [stderr]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bytes`
[INFO] [stderr]   --> src/core/memory.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let bytes = stream.read_to_end(&mut buf)?;
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Source`
[INFO] [stderr]  --> src/casl/ast.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct Source<'a>(Vec<Line<'a>>);
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Line`
[INFO] [stderr]  --> src/casl/ast.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Line<'a> {
[INFO] [stderr]   |          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `CommentLine`
[INFO] [stderr]  --> src/casl/ast.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct CommentLine<'a> {
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Label`
[INFO] [stderr]   --> src/casl/ast.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct Label<'a>(&'a str);
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Opecode`
[INFO] [stderr]   --> src/casl/ast.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub enum Opecode {}
[INFO] [stderr]    |          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Operand`
[INFO] [stderr]   --> src/casl/ast.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub enum Operand {}
[INFO] [stderr]    |          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `OperationLine`
[INFO] [stderr]   --> src/casl/ast.rs:17:10
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub enum OperationLine<'a> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `OperandLine`
[INFO] [stderr]   --> src/casl/ast.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub struct OperandLine<'a> {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `NoOperandLine`
[INFO] [stderr]   --> src/casl/ast.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub struct NoOperandLine<'a> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `fold`
[INFO] [stderr]   --> src/casl/list.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn fold() {}
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `line`
[INFO] [stderr]  --> src/casl/parser.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     line: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: `Position` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/casl/parser.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[derive(Clone)]
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `column`
[INFO] [stderr]  --> src/casl/parser.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     column: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: `Position` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/casl/parser.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[derive(Clone)]
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `lines`
[INFO] [stderr]  --> src/casl/parser.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     lines: &'a [&'a str],
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: `ParserState` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/casl/parser.rs:7:10
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[derive(Clone)]
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `position`
[INFO] [stderr]   --> src/casl/parser.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     position: Position,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `ParserState` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/casl/parser.rs:7:10
[INFO] [stderr]    |
[INFO] [stderr] 7  | #[derive(Clone)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ParserError`
[INFO] [stderr]   --> src/casl/parser.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct ParserError {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `ParseResult`
[INFO] [stderr]   --> src/casl/parser.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | type ParseResult<T> = Result<T, ParserError>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Parser`
[INFO] [stderr]   --> src/casl/parser.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | struct Parser {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `increment_line`
[INFO] [stderr]   --> src/casl/parser.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn increment_line(&self) -> Position {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `increment_column`
[INFO] [stderr]   --> src/casl/parser.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn increment_column(&self) -> Position {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_at_end_of_input`
[INFO] [stderr]   --> src/casl/parser.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn is_at_end_of_input(&self) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_current_line`
[INFO] [stderr]   --> src/casl/parser.rs:47:8
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn get_current_line(&self) -> Option<&&str> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_next_char`
[INFO] [stderr]   --> src/casl/parser.rs:51:8
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn get_next_char(&self) -> (ParserState, Option<char>) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `f`
[INFO] [stderr]   --> src/casl/parser.rs:78:4
[INFO] [stderr]    |
[INFO] [stderr] 78 | fn f() {
[INFO] [stderr]    |    ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `mem_info`
[INFO] [stderr]    --> src/core/machine.rs:251:12
[INFO] [stderr]     |
[INFO] [stderr] 251 |     pub fn mem_info(&self) -> String {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `pr_at`
[INFO] [stderr]    --> src/core/machine.rs:259:12
[INFO] [stderr]     |
[INFO] [stderr] 259 |     pub fn pr_at(&self) -> String {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `r1`
[INFO] [stderr]    --> src/core/operations.rs:199:5
[INFO] [stderr]     |
[INFO] [stderr] 199 |     r1: u16,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `TwoRegisters` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/core/operations.rs:197:10
[INFO] [stderr]     |
[INFO] [stderr] 197 | #[derive(Debug, Clone, Copy)]
[INFO] [stderr]     |          ^^^^^  ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `r2`
[INFO] [stderr]    --> src/core/operations.rs:200:5
[INFO] [stderr]     |
[INFO] [stderr] 200 |     r2: u16,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `TwoRegisters` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/core/operations.rs:197:10
[INFO] [stderr]     |
[INFO] [stderr] 197 | #[derive(Debug, Clone, Copy)]
[INFO] [stderr]     |          ^^^^^  ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_pair`
[INFO] [stderr]    --> src/core/operations.rs:223:12
[INFO] [stderr]     |
[INFO] [stderr] 223 |     pub fn get_pair(&self) -> (&u16, &u16) {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `index`
[INFO] [stderr]   --> src/core/register.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn index(&self, two: TwoRegisters) -> IndexRegister {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/core/register.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn new(gr: u16) -> IndexRegister {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `value`
[INFO] [stderr]   --> src/core/register.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn value(&self) -> u16 {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_pairs`
[INFO] [stderr]   --> src/utils/to_pairs.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn to_pairs<I: Iterator>(i: I) -> ToPair<I> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `fers` (bin "fers" test) generated 47 warnings (6 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fers-66132cf978113bd9)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fers-71b1150b4dcd9c3a)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test core::utils::test::test_is_negative ... ok
[INFO] [stdout] test utils::to_pairs::test::t ... ok
[INFO] [stderr]    Doc-tests fers
[INFO] [stdout] test core::memory::test::test_u8u8_2_u16 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "716ae7f3ed68ba9a6391821d239ceaf8458e92efd94fb895e88cfe21e72f2d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "716ae7f3ed68ba9a6391821d239ceaf8458e92efd94fb895e88cfe21e72f2d27", kill_on_drop: false }`
[INFO] [stdout] 716ae7f3ed68ba9a6391821d239ceaf8458e92efd94fb895e88cfe21e72f2d27