[INFO] cloning repository https://github.com/BlinfoldKing/lex-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BlinfoldKing/lex-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlinfoldKing%2Flex-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlinfoldKing%2Flex-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7d0a883b2b7fd181a4ed852fa4f644baeeeec4e
[INFO] checking BlinfoldKing/lex-lang against master#a26e97be8826d408309fffbd8168362365719f50 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlinfoldKing%2Flex-lang" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BlinfoldKing/lex-lang on toolchain a26e97be8826d408309fffbd8168362365719f50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BlinfoldKing/lex-lang
[INFO] finished tweaking git repo https://github.com/BlinfoldKing/lex-lang
[INFO] tweaked toml for git repo https://github.com/BlinfoldKing/lex-lang written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/BlinfoldKing/lex-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" "+a26e97be8826d408309fffbd8168362365719f50" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "a1d9d0f3914308a1595d2e9455c3fdad570814ec38e710c13225c12f165c9798", kill_on_drop: false }`
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[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
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[INFO] [stderr]     Checking smallvec v1.8.0
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[INFO] [stderr]     Checking clap v3.1.6
[INFO] [stderr]     Checking lex-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child_eval`
[INFO] [stdout]    --> src/lib/evaluator/mod.rs:101:17
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let mut child_eval = Evaluator::new();
[INFO] [stdout]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_child_eval`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib/evaluator/mod.rs:101:13
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let mut child_eval = Evaluator::new();
[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: unused variable: `child_eval`
[INFO] [stdout]    --> src/lib/evaluator/mod.rs:101:17
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let mut child_eval = Evaluator::new();
[INFO] [stdout]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_child_eval`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib/evaluator/mod.rs:101:13
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let mut child_eval = Evaluator::new();
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |                     let mut l = line.clone();
[INFO] [stdout]    |                         ----^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib/error.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |     MissingBracket(i32),
[INFO] [stdout]    |     -------------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` 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] 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] 22 |     MissingBracket(()),
[INFO] [stdout]    |                    ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InvalidSymbol` and `Other` are never constructed
[INFO] [stdout]   --> src/lib/error.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum ParseError {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] 20 |     InvalidCharacter(char, i32, i32),
[INFO] [stdout] 21 |     InvalidSymbol(String, i32, i32),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 22 |     MissingBracket(i32),
[INFO] [stdout] 23 |     Other(i32),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` 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: variant `UnknownOperator` is never constructed
[INFO] [stdout]   --> src/lib/error.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub enum EvalError {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 42 |     UnknownOperator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EvalError` 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: field `variables` is never read
[INFO] [stdout]   --> src/lib/evaluator/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct EvalState {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 15 |     definition: Vec<Definition>,
[INFO] [stdout] 16 |     variables: HashMap<String, Token>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EvalState` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `1` and `2` are never read
[INFO] [stdout]   --> src/lib/parser.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Num(char, i32, i32),
[INFO] [stdout]    |     ---       ^^^  ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `State` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Num(char, (), ()),
[INFO] [stdout]    |               ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/lib/parser.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |     LstStart(i32, i32),
[INFO] [stdout]    |     -------- ^^^  ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `State` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 13 |     LstStart((), ()),
[INFO] [stdout]    |              ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/lib/parser.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Whitespace(i32, i32),
[INFO] [stdout]    |     ---------- ^^^  ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `State` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Whitespace((), ()),
[INFO] [stdout]    |                ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |                     let mut l = line.clone();
[INFO] [stdout]    |                         ----^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib/error.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |     MissingBracket(i32),
[INFO] [stdout]    |     -------------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` 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] 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] 22 |     MissingBracket(()),
[INFO] [stdout]    |                    ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InvalidSymbol` and `Other` are never constructed
[INFO] [stdout]   --> src/lib/error.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum ParseError {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] 20 |     InvalidCharacter(char, i32, i32),
[INFO] [stdout] 21 |     InvalidSymbol(String, i32, i32),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 22 |     MissingBracket(i32),
[INFO] [stdout] 23 |     Other(i32),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` 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: variant `UnknownOperator` is never constructed
[INFO] [stdout]   --> src/lib/error.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub enum EvalError {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 42 |     UnknownOperator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EvalError` 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: field `variables` is never read
[INFO] [stdout]   --> src/lib/evaluator/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct EvalState {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 15 |     definition: Vec<Definition>,
[INFO] [stdout] 16 |     variables: HashMap<String, Token>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EvalState` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `1` and `2` are never read
[INFO] [stdout]   --> src/lib/parser.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Num(char, i32, i32),
[INFO] [stdout]    |     ---       ^^^  ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `State` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Num(char, (), ()),
[INFO] [stdout]    |               ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/lib/parser.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |     LstStart(i32, i32),
[INFO] [stdout]    |     -------- ^^^  ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `State` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 13 |     LstStart((), ()),
[INFO] [stdout]    |              ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/lib/parser.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Whitespace(i32, i32),
[INFO] [stdout]    |     ---------- ^^^  ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `State` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Whitespace((), ()),
[INFO] [stdout]    |                ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.85s
[INFO] running `Command { std: "docker" "inspect" "bcbd518e4eed103a78a8176928db623abe5afc8059bfaa0898bc525939978119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcbd518e4eed103a78a8176928db623abe5afc8059bfaa0898bc525939978119", kill_on_drop: false }`
[INFO] [stdout] bcbd518e4eed103a78a8176928db623abe5afc8059bfaa0898bc525939978119
