[INFO] cloning repository https://github.com/ARACADERISE/mini-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ARACADERISE/mini-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FARACADERISE%2Fmini-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FARACADERISE%2Fmini-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fdf5710668e758daede1233eb6d2cf4f1e462af0
[INFO] testing ARACADERISE/mini-lang against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FARACADERISE%2Fmini-lang" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ARACADERISE/mini-lang
[INFO] finished tweaking git repo https://github.com/ARACADERISE/mini-lang
[INFO] tweaked toml for git repo https://github.com/ARACADERISE/mini-lang written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ARACADERISE/mini-lang on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ARACADERISE/mini-lang 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5056a88bdb0f94e46a130b6a03890812726f75f1a605948e4a966a56713e008b
[INFO] running `Command { std: "docker" "start" "-a" "5056a88bdb0f94e46a130b6a03890812726f75f1a605948e4a966a56713e008b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5056a88bdb0f94e46a130b6a03890812726f75f1a605948e4a966a56713e008b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5056a88bdb0f94e46a130b6a03890812726f75f1a605948e4a966a56713e008b", kill_on_drop: false }`
[INFO] [stdout] 5056a88bdb0f94e46a130b6a03890812726f75f1a605948e4a966a56713e008b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9afbd7525acd9ed8b5775bdc75a250d5c35603e6f54ec4a5c287d1e1314919a8
[INFO] running `Command { std: "docker" "start" "-a" "9afbd7525acd9ed8b5775bdc75a250d5c35603e6f54ec4a5c287d1e1314919a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling jpg_decoder_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/imp.rs:166:23
[INFO] [stdout]     |
[INFO] [stdout] 166 |                     if(c == '"')
[INFO] [stdout]     |                       ^        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 166 -                     if(c == '"')
[INFO] [stdout] 166 +                     if c == '"'
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> main.rs:41:56
[INFO] [stdout]    |
[INFO] [stdout] 41 | ...                   Ok(mut p) => {
[INFO] [stdout]    |                          ----^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_valid` is never read
[INFO] [stdout]  --> src/starter.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct FileInfo
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     pub is_valid: bool,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `FileInfo` 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: field `0` is never read
[INFO] [stdout]   --> src/starter.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 |     NoSuchDir(io::Error),
[INFO] [stdout]    |     --------- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 15 -     NoSuchDir(io::Error),
[INFO] [stdout] 15 +     NoSuchDir(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/starter.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |     NoSuchFile(PathBuf),
[INFO] [stdout]    |     ---------- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 -     NoSuchFile(PathBuf),
[INFO] [stdout] 16 +     NoSuchFile(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CreateFileErr` is never constructed
[INFO] [stdout]   --> src/starter.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum FErrors
[INFO] [stdout]    |          ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 17 |     CreateFileErr(PathBuf)
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ErrFuncs` is never used
[INFO] [stdout]   --> src/starter.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub trait ErrFuncs
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `TokenErr` is never constructed
[INFO] [stdout]   --> src/lexer.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub enum LError
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] 26 | {
[INFO] [stdout] 27 |     TokenErr(Type)
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `LErrorFuncs` is never used
[INFO] [stdout]   --> src/lexer.rs:49:11
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub trait LErrorFuncs
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 |     UnexpectedToken(Type)
[INFO] [stdout]    |     --------------- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 12 -     UnexpectedToken(Type)
[INFO] [stdout] 12 +     UnexpectedToken(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 18 |     NoSuchVar(String),
[INFO] [stdout]    |     --------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 -     NoSuchVar(String),
[INFO] [stdout] 18 +     NoSuchVar(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `IndexOutOfBounds` is never constructed
[INFO] [stdout]   --> src/ast.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum AstError
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 19 |     IndexOutOfBounds(usize)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `out_of_bounds` is never used
[INFO] [stdout]   --> src/ast.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub trait AstErrorFuncs
[INFO] [stdout]    |           ------------- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn out_of_bounds(index: usize) -> AstError;
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> main.rs:54:29
[INFO] [stdout]    |
[INFO] [stdout] 54 | ...                   parser.AST.go_through();
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 54 |                             let _ = parser.AST.go_through();
[INFO] [stdout]    |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `varName` should have a snake case name
[INFO] [stdout]    --> src/imp.rs:264:15
[INFO] [stdout]     |
[INFO] [stdout] 264 |     fn no_var(varName: String) -> AstError
[INFO] [stdout]     |               ^^^^^^^ help: convert the identifier to snake case: `var_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/imp.rs:332:13
[INFO] [stdout]     |
[INFO] [stdout] 332 | /             match i {
[INFO] [stdout] 333 | |                 Type::VarName => self.i_variable(),
[INFO] [stdout] 334 | |                 Type::K_PRINT => self.i_print(),
[INFO] [stdout] 335 | |                 _ => return Err(AstError::no_var("".to_string())) // we shouldn't have a problem.
[INFO] [stdout] 336 | |             };
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 332 |             let _ = match i {
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `AST` should have a snake case name
[INFO] [stdout]   --> src/parser.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub AST: Ast
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case: `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `varName` should have a snake case name
[INFO] [stdout]   --> src/ast.rs:32:15
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn no_var(varName: String) -> AstError;
[INFO] [stdout]    |               ^^^^^^^ help: convert the identifier to snake case: `var_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "9afbd7525acd9ed8b5775bdc75a250d5c35603e6f54ec4a5c287d1e1314919a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9afbd7525acd9ed8b5775bdc75a250d5c35603e6f54ec4a5c287d1e1314919a8", kill_on_drop: false }`
[INFO] [stdout] 9afbd7525acd9ed8b5775bdc75a250d5c35603e6f54ec4a5c287d1e1314919a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43ad1368acd83fa383917923dd2d9262e5b0aa8a186952467aa29a5e09ff2571
[INFO] running `Command { std: "docker" "start" "-a" "43ad1368acd83fa383917923dd2d9262e5b0aa8a186952467aa29a5e09ff2571", kill_on_drop: false }`
[INFO] [stderr]    Compiling jpg_decoder_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/imp.rs:166:23
[INFO] [stdout]     |
[INFO] [stdout] 166 |                     if(c == '"')
[INFO] [stdout]     |                       ^        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 166 -                     if(c == '"')
[INFO] [stdout] 166 +                     if c == '"'
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> main.rs:41:56
[INFO] [stdout]    |
[INFO] [stdout] 41 | ...                   Ok(mut p) => {
[INFO] [stdout]    |                          ----^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_valid` is never read
[INFO] [stdout]  --> src/starter.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct FileInfo
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     pub is_valid: bool,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `FileInfo` 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: field `0` is never read
[INFO] [stdout]   --> src/starter.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 |     NoSuchDir(io::Error),
[INFO] [stdout]    |     --------- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 15 -     NoSuchDir(io::Error),
[INFO] [stdout] 15 +     NoSuchDir(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/starter.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |     NoSuchFile(PathBuf),
[INFO] [stdout]    |     ---------- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 -     NoSuchFile(PathBuf),
[INFO] [stdout] 16 +     NoSuchFile(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CreateFileErr` is never constructed
[INFO] [stdout]   --> src/starter.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum FErrors
[INFO] [stdout]    |          ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 17 |     CreateFileErr(PathBuf)
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ErrFuncs` is never used
[INFO] [stdout]   --> src/starter.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub trait ErrFuncs
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `TokenErr` is never constructed
[INFO] [stdout]   --> src/lexer.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub enum LError
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] 26 | {
[INFO] [stdout] 27 |     TokenErr(Type)
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `LErrorFuncs` is never used
[INFO] [stdout]   --> src/lexer.rs:49:11
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub trait LErrorFuncs
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 |     UnexpectedToken(Type)
[INFO] [stdout]    |     --------------- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 12 -     UnexpectedToken(Type)
[INFO] [stdout] 12 +     UnexpectedToken(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 18 |     NoSuchVar(String),
[INFO] [stdout]    |     --------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 -     NoSuchVar(String),
[INFO] [stdout] 18 +     NoSuchVar(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `IndexOutOfBounds` is never constructed
[INFO] [stdout]   --> src/ast.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum AstError
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 19 |     IndexOutOfBounds(usize)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `out_of_bounds` is never used
[INFO] [stdout]   --> src/ast.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub trait AstErrorFuncs
[INFO] [stdout]    |           ------------- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn out_of_bounds(index: usize) -> AstError;
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> main.rs:54:29
[INFO] [stdout]    |
[INFO] [stdout] 54 | ...                   parser.AST.go_through();
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 54 |                             let _ = parser.AST.go_through();
[INFO] [stdout]    |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `varName` should have a snake case name
[INFO] [stdout]    --> src/imp.rs:264:15
[INFO] [stdout]     |
[INFO] [stdout] 264 |     fn no_var(varName: String) -> AstError
[INFO] [stdout]     |               ^^^^^^^ help: convert the identifier to snake case: `var_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/imp.rs:332:13
[INFO] [stdout]     |
[INFO] [stdout] 332 | /             match i {
[INFO] [stdout] 333 | |                 Type::VarName => self.i_variable(),
[INFO] [stdout] 334 | |                 Type::K_PRINT => self.i_print(),
[INFO] [stdout] 335 | |                 _ => return Err(AstError::no_var("".to_string())) // we shouldn't have a problem.
[INFO] [stdout] 336 | |             };
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 332 |             let _ = match i {
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `AST` should have a snake case name
[INFO] [stdout]   --> src/parser.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub AST: Ast
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case: `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `varName` should have a snake case name
[INFO] [stdout]   --> src/ast.rs:32:15
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn no_var(varName: String) -> AstError;
[INFO] [stdout]    |               ^^^^^^^ help: convert the identifier to snake case: `var_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "43ad1368acd83fa383917923dd2d9262e5b0aa8a186952467aa29a5e09ff2571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43ad1368acd83fa383917923dd2d9262e5b0aa8a186952467aa29a5e09ff2571", kill_on_drop: false }`
[INFO] [stdout] 43ad1368acd83fa383917923dd2d9262e5b0aa8a186952467aa29a5e09ff2571
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 575257fc742236fb76d919565f5c200e9f7005a6ea8b00d1d52dca4cdb06221a
[INFO] running `Command { std: "docker" "start" "-a" "575257fc742236fb76d919565f5c200e9f7005a6ea8b00d1d52dca4cdb06221a", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/imp.rs:166:23
[INFO] [stderr]     |
[INFO] [stderr] 166 |                     if(c == '"')
[INFO] [stderr]     |                       ^        ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 166 -                     if(c == '"')
[INFO] [stderr] 166 +                     if c == '"'
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> main.rs:41:56
[INFO] [stderr]    |
[INFO] [stderr] 41 | ...                   Ok(mut p) => {
[INFO] [stderr]    |                          ----^
[INFO] [stderr]    |                          |
[INFO] [stderr]    |                          help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `is_valid` is never read
[INFO] [stderr]  --> src/starter.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct FileInfo
[INFO] [stderr]   |            -------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 8 |     pub is_valid: bool,
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `FileInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/starter.rs:15:15
[INFO] [stderr]    |
[INFO] [stderr] 15 |     NoSuchDir(io::Error),
[INFO] [stderr]    |     --------- ^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `FErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 15 -     NoSuchDir(io::Error),
[INFO] [stderr] 15 +     NoSuchDir(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/starter.rs:16:16
[INFO] [stderr]    |
[INFO] [stderr] 16 |     NoSuchFile(PathBuf),
[INFO] [stderr]    |     ---------- ^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `FErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 16 -     NoSuchFile(PathBuf),
[INFO] [stderr] 16 +     NoSuchFile(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: variant `CreateFileErr` is never constructed
[INFO] [stderr]   --> src/starter.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub enum FErrors
[INFO] [stderr]    |          ------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 17 |     CreateFileErr(PathBuf)
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `FErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: trait `ErrFuncs` is never used
[INFO] [stderr]   --> src/starter.rs:20:11
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub trait ErrFuncs
[INFO] [stderr]    |           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `TokenErr` is never constructed
[INFO] [stderr]   --> src/lexer.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub enum LError
[INFO] [stderr]    |          ------ variant in this enum
[INFO] [stderr] 26 | {
[INFO] [stderr] 27 |     TokenErr(Type)
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `LError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: trait `LErrorFuncs` is never used
[INFO] [stderr]   --> src/lexer.rs:49:11
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub trait LErrorFuncs
[INFO] [stderr]    |           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/parser.rs:12:21
[INFO] [stderr]    |
[INFO] [stderr] 12 |     UnexpectedToken(Type)
[INFO] [stderr]    |     --------------- ^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `PError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 12 -     UnexpectedToken(Type)
[INFO] [stderr] 12 +     UnexpectedToken(())
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/ast.rs:18:15
[INFO] [stderr]    |
[INFO] [stderr] 18 |     NoSuchVar(String),
[INFO] [stderr]    |     --------- ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 18 -     NoSuchVar(String),
[INFO] [stderr] 18 +     NoSuchVar(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: variant `IndexOutOfBounds` is never constructed
[INFO] [stderr]   --> src/ast.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub enum AstError
[INFO] [stderr]    |          -------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 19 |     IndexOutOfBounds(usize)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `out_of_bounds` is never used
[INFO] [stderr]   --> src/ast.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub trait AstErrorFuncs
[INFO] [stderr]    |           ------------- associated function in this trait
[INFO] [stderr] ...
[INFO] [stderr] 33 |     fn out_of_bounds(index: usize) -> AstError;
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> main.rs:54:29
[INFO] [stderr]    |
[INFO] [stderr] 54 | ...                   parser.AST.go_through();
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 54 |                             let _ = parser.AST.go_through();
[INFO] [stderr]    |                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: variable `varName` should have a snake case name
[INFO] [stderr]    --> src/imp.rs:264:15
[INFO] [stderr]     |
[INFO] [stderr] 264 |     fn no_var(varName: String) -> AstError
[INFO] [stderr]     |               ^^^^^^^ help: convert the identifier to snake case: `var_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/imp.rs:332:13
[INFO] [stderr]     |
[INFO] [stderr] 332 | /             match i {
[INFO] [stderr] 333 | |                 Type::VarName => self.i_variable(),
[INFO] [stderr] 334 | |                 Type::K_PRINT => self.i_print(),
[INFO] [stderr] 335 | |                 _ => return Err(AstError::no_var("".to_string())) // we shouldn't have a problem.
[INFO] [stderr] 336 | |             };
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 332 |             let _ = match i {
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `AST` should have a snake case name
[INFO] [stderr]   --> src/parser.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub AST: Ast
[INFO] [stderr]    |         ^^^ help: convert the identifier to snake case: `ast`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `varName` should have a snake case name
[INFO] [stderr]   --> src/ast.rs:32:15
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn no_var(varName: String) -> AstError;
[INFO] [stderr]    |               ^^^^^^^ help: convert the identifier to snake case: `var_name`
[INFO] [stderr] 
[INFO] [stderr] warning: `jpg_decoder_rust` (bin "jpg_decoder_rust" test) generated 18 warnings (run `cargo fix --bin "jpg_decoder_rust" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests main.rs (/opt/rustwide/target/debug/deps/jpg_decoder_rust-25d5493970cc5b67)
[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" "575257fc742236fb76d919565f5c200e9f7005a6ea8b00d1d52dca4cdb06221a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "575257fc742236fb76d919565f5c200e9f7005a6ea8b00d1d52dca4cdb06221a", kill_on_drop: false }`
[INFO] [stdout] 575257fc742236fb76d919565f5c200e9f7005a6ea8b00d1d52dca4cdb06221a
