[INFO] cloning repository https://github.com/cartoon-raccoon/verdigris [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cartoon-raccoon/verdigris" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcartoon-raccoon%2Fverdigris", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcartoon-raccoon%2Fverdigris'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 05e5d382cad21ce48265cf3180b400f93245f289 [INFO] building cartoon-raccoon/verdigris against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcartoon-raccoon%2Fverdigris" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cartoon-raccoon/verdigris on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cartoon-raccoon/verdigris [INFO] finished tweaking git repo https://github.com/cartoon-raccoon/verdigris [INFO] tweaked toml for git repo https://github.com/cartoon-raccoon/verdigris written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/cartoon-raccoon/verdigris already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mortal v0.2.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d82745bd49444eb211620165852f38de86fe3e8ee058207decb4645e9eba7297 [INFO] running `Command { std: "docker" "start" "-a" "d82745bd49444eb211620165852f38de86fe3e8ee058207decb4645e9eba7297", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d82745bd49444eb211620165852f38de86fe3e8ee058207decb4645e9eba7297", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d82745bd49444eb211620165852f38de86fe3e8ee058207decb4645e9eba7297", kill_on_drop: false }` [INFO] [stdout] d82745bd49444eb211620165852f38de86fe3e8ee058207decb4645e9eba7297 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2a3b415bee48b9c241c6de8645b2e313add326804be3522feec6dbd85880d776 [INFO] running `Command { std: "docker" "start" "-a" "2a3b415bee48b9c241c6de8645b2e313add326804be3522feec6dbd85880d776", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling siphasher v0.3.3 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling smallvec v1.5.1 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling tinyvec v1.1.0 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling smallstr v0.2.0 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling phf v0.8.0 [INFO] [stderr] Compiling unicode-normalization v0.1.16 [INFO] [stderr] Compiling dirs-sys v0.3.5 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Compiling phf_codegen v0.8.0 [INFO] [stderr] Compiling terminfo v0.7.3 [INFO] [stderr] Compiling mortal v0.2.2 [INFO] [stderr] Compiling linefeed v0.6.0 [INFO] [stderr] Compiling vdg-oxidizer v0.1.0 (/opt/rustwide/workdir/vdg-oxidizer) [INFO] [stdout] warning: fields `remainder` and `eq` are never read [INFO] [stdout] --> vdg-oxidizer/src/vm/vm.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct VM { [INFO] [stdout] | -- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 12 | remainder: i32, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 13 | eq: bool, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `VM` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `i32_to_bytes` is never used [INFO] [stdout] --> vdg-oxidizer/src/vm/instruction.rs:148:4 [INFO] [stdout] | [INFO] [stdout] 148 | fn i32_to_bytes(num: i32) -> [u8; 4] { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `pos` and `state` are never read [INFO] [stdout] --> vdg-oxidizer/src/repl/lexer.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct AsmLexer { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 10 | pos: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] 11 | state: Token, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `program` and `symbols` are never read [INFO] [stdout] --> vdg-oxidizer/src/assembler/assembler.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Assembler { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 9 | phase: Phase, [INFO] [stdout] 10 | program: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 11 | symbols: HashMap, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Assembler` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling verdigris v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/lexer.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | fn from(t: TokenType) -> String { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `prevc` is assigned to, but never used [INFO] [stdout] --> src/lexer.rs:110:17 [INFO] [stdout] | [INFO] [stdout] 110 | let mut prevc: char; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_prevc` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `prevc` is never read [INFO] [stdout] --> src/lexer.rs:149:13 [INFO] [stdout] | [INFO] [stdout] 149 | prevc = c; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `scanner` [INFO] [stdout] --> src/main.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let scanner = Lexer::new(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scanner` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `tokentype`, `substring`, `line`, and `column` are never read [INFO] [stdout] --> src/lexer.rs:66:5 [INFO] [stdout] | [INFO] [stdout] 65 | pub struct Token { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 66 | tokentype: TokenType, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 67 | //lexeme: String, [INFO] [stdout] 68 | substring: String, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 69 | line: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] 70 | column: usize, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `to_string` is never used [INFO] [stdout] --> src/lexer.rs:74:12 [INFO] [stdout] | [INFO] [stdout] 73 | impl Token { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] 74 | pub fn to_string(&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `start`, `current`, `line`, and `tokens` are never read [INFO] [stdout] --> src/lexer.rs:81:5 [INFO] [stdout] | [INFO] [stdout] 80 | pub struct Lexer { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 81 | start: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 82 | current: usize, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 83 | line: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] 84 | tokens: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Lexer` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `scan` is never used [INFO] [stdout] --> src/lexer.rs:97:12 [INFO] [stdout] | [INFO] [stdout] 87 | impl Lexer { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 97 | pub fn scan(&mut self, input: &str) { //Change this return a result type [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.46s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2, terminfo v0.7.3 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "2a3b415bee48b9c241c6de8645b2e313add326804be3522feec6dbd85880d776", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a3b415bee48b9c241c6de8645b2e313add326804be3522feec6dbd85880d776", kill_on_drop: false }` [INFO] [stdout] 2a3b415bee48b9c241c6de8645b2e313add326804be3522feec6dbd85880d776 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 65a3bebcb231a3329a89a6b3b1622d4c267eef9264c565f1c585a01bb7373dbf [INFO] running `Command { std: "docker" "start" "-a" "65a3bebcb231a3329a89a6b3b1622d4c267eef9264c565f1c585a01bb7373dbf", kill_on_drop: false }` [INFO] [stdout] warning: fields `remainder` and `eq` are never read [INFO] [stdout] --> vdg-oxidizer/src/vm/vm.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct VM { [INFO] [stdout] | -- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 12 | remainder: i32, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 13 | eq: bool, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `VM` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling verdigris v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `i32_to_bytes` is never used [INFO] [stdout] --> vdg-oxidizer/src/vm/instruction.rs:148:4 [INFO] [stdout] | [INFO] [stdout] 148 | fn i32_to_bytes(num: i32) -> [u8; 4] { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `pos` and `state` are never read [INFO] [stdout] --> vdg-oxidizer/src/repl/lexer.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct AsmLexer { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 10 | pos: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] 11 | state: Token, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `program` and `symbols` are never read [INFO] [stdout] --> vdg-oxidizer/src/assembler/assembler.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Assembler { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 9 | phase: Phase, [INFO] [stdout] 10 | program: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 11 | symbols: HashMap, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Assembler` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/lexer.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | fn from(t: TokenType) -> String { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `prevc` is assigned to, but never used [INFO] [stdout] --> src/lexer.rs:110:17 [INFO] [stdout] | [INFO] [stdout] 110 | let mut prevc: char; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_prevc` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `prevc` is never read [INFO] [stdout] --> src/lexer.rs:149:13 [INFO] [stdout] | [INFO] [stdout] 149 | prevc = c; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `scanner` [INFO] [stdout] --> src/main.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let scanner = Lexer::new(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scanner` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `tokentype`, `substring`, `line`, and `column` are never read [INFO] [stdout] --> src/lexer.rs:66:5 [INFO] [stdout] | [INFO] [stdout] 65 | pub struct Token { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 66 | tokentype: TokenType, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 67 | //lexeme: String, [INFO] [stdout] 68 | substring: String, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 69 | line: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] 70 | column: usize, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `to_string` is never used [INFO] [stdout] --> src/lexer.rs:74:12 [INFO] [stdout] | [INFO] [stdout] 73 | impl Token { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] 74 | pub fn to_string(&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `start`, `current`, `line`, and `tokens` are never read [INFO] [stdout] --> src/lexer.rs:81:5 [INFO] [stdout] | [INFO] [stdout] 80 | pub struct Lexer { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 81 | start: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 82 | current: usize, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 83 | line: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] 84 | tokens: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Lexer` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `scan` is never used [INFO] [stdout] --> src/lexer.rs:97:12 [INFO] [stdout] | [INFO] [stdout] 87 | impl Lexer { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 97 | pub fn scan(&mut self, input: &str) { //Change this return a result type [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2, terminfo v0.7.3 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "65a3bebcb231a3329a89a6b3b1622d4c267eef9264c565f1c585a01bb7373dbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65a3bebcb231a3329a89a6b3b1622d4c267eef9264c565f1c585a01bb7373dbf", kill_on_drop: false }` [INFO] [stdout] 65a3bebcb231a3329a89a6b3b1622d4c267eef9264c565f1c585a01bb7373dbf