[INFO] cloning repository https://github.com/dotjulia/stayc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dotjulia/stayc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdotjulia%2Fstayc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdotjulia%2Fstayc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd50b3920ca1a01705cbd88cf233c74e227b7831
[INFO] testing dotjulia/stayc against 1.85.0 for beta-1.86-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdotjulia%2Fstayc" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dotjulia/stayc on toolchain 1.85.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.85.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dotjulia/stayc
[INFO] finished tweaking git repo https://github.com/dotjulia/stayc
[INFO] tweaked toml for git repo https://github.com/dotjulia/stayc written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dotjulia/stayc 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" "+1.85.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_lex v0.5.0
[INFO] [stderr]   Downloaded quote v1.0.31
[INFO] [stderr]   Downloaded anstyle v1.0.1
[INFO] [stderr]   Downloaded anstyle-query v1.0.0
[INFO] [stderr]   Downloaded errno v0.3.2
[INFO] [stderr]   Downloaded anstream v0.3.2
[INFO] [stderr]   Downloaded anstyle-parse v0.2.1
[INFO] [stderr]   Downloaded is-terminal v0.4.9
[INFO] [stderr]   Downloaded anstyle-wincon v1.0.1
[INFO] [stderr]   Downloaded clap v4.3.19
[INFO] [stderr]   Downloaded bitflags v2.3.3
[INFO] [stderr]   Downloaded clap_derive v4.3.12
[INFO] [stderr]   Downloaded clap_builder v4.3.19
[INFO] [stderr]   Downloaded syn v2.0.27
[INFO] [stderr]   Downloaded rustix v0.38.4
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+1.85.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9fea17b778ac8f7a5e0f9d5b3ffd0f7de4dc8ba74a2f92ad8bb0dd2872a167e
[INFO] running `Command { std: "docker" "start" "-a" "f9fea17b778ac8f7a5e0f9d5b3ffd0f7de4dc8ba74a2f92ad8bb0dd2872a167e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9fea17b778ac8f7a5e0f9d5b3ffd0f7de4dc8ba74a2f92ad8bb0dd2872a167e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9fea17b778ac8f7a5e0f9d5b3ffd0f7de4dc8ba74a2f92ad8bb0dd2872a167e", kill_on_drop: false }`
[INFO] [stdout] f9fea17b778ac8f7a5e0f9d5b3ffd0f7de4dc8ba74a2f92ad8bb0dd2872a167e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52444c639cb3d6e4e6626ca2db0911220126d98ec72cd0917ed7ddb17801ee02
[INFO] running `Command { std: "docker" "start" "-a" "52444c639cb3d6e4e6626ca2db0911220126d98ec72cd0917ed7ddb17801ee02", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.87
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling bitflags v2.3.3
[INFO] [stderr]    Compiling linux-raw-sys v0.4.3
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling bumpalo v3.13.0
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.1
[INFO] [stderr]    Compiling anstyle v1.0.1
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.87
[INFO] [stderr]    Compiling clap_lex v0.5.0
[INFO] [stderr]    Compiling quote v1.0.31
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling anstream v0.3.2
[INFO] [stderr]    Compiling clap_builder v4.3.19
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.87
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.87
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.87
[INFO] [stderr]    Compiling clap v4.3.19
[INFO] [stderr]    Compiling stayc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     env, fs,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rc::Rc`
[INFO] [stdout]  --> src/interpreter.rs:2:48
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{collections::LinkedList, fmt::Debug, rc::Rc};
[INFO] [stdout]   |                                                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]  --> src/str_ext.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg(feature = "unstable")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stdout]   = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/str_ext.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[cfg(feature = "unstable")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/str_ext.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | #[cfg(feature = "unstable")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/str_ext.rs:71:7
[INFO] [stdout]    |
[INFO] [stdout] 71 | #[cfg(feature = "unstable")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/str_ext.rs:85:11
[INFO] [stdout]    |
[INFO] [stdout] 85 | #[cfg(not(feature = "unstable"))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/str_ext.rs:93:11
[INFO] [stdout]    |
[INFO] [stdout] 93 | #[cfg(not(feature = "unstable"))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]    --> src/str_ext.rs:134:11
[INFO] [stdout]     |
[INFO] [stdout] 134 | #[cfg(not(feature = "unstable"))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stdout]     = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wasm_bindgen::prelude::wasm_bindgen`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use wasm_bindgen::prelude::wasm_bindgen;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rc::Rc`
[INFO] [stdout]  --> src/interpreter.rs:2:48
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{collections::LinkedList, fmt::Debug, rc::Rc};
[INFO] [stdout]   |                                                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]  --> src/str_ext.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg(feature = "unstable")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stdout]   = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/str_ext.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[cfg(feature = "unstable")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/str_ext.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | #[cfg(feature = "unstable")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/str_ext.rs:71:7
[INFO] [stdout]    |
[INFO] [stdout] 71 | #[cfg(feature = "unstable")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/str_ext.rs:85:11
[INFO] [stdout]    |
[INFO] [stdout] 85 | #[cfg(not(feature = "unstable"))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/str_ext.rs:93:11
[INFO] [stdout]    |
[INFO] [stdout] 93 | #[cfg(not(feature = "unstable"))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]    --> src/str_ext.rs:134:11
[INFO] [stdout]     |
[INFO] [stdout] 134 | #[cfg(not(feature = "unstable"))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stdout]     = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/interpreter.rs:151:17
[INFO] [stdout]     |
[INFO] [stdout] 151 |                 name,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg_count`
[INFO] [stdout]    --> src/interpreter.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 arg_count,
[INFO] [stdout]     |                 ^^^^^^^^^ help: try ignoring the field: `arg_count: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/interpreter.rs:155:51
[INFO] [stdout]     |
[INFO] [stdout] 155 |             InterpreterFunctionDef::FunctionDef { name, def } => self.run_func(
[INFO] [stdout]     |                                                   ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/interpreter.rs:151:17
[INFO] [stdout]     |
[INFO] [stdout] 151 |                 name,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg_count`
[INFO] [stdout]    --> src/interpreter.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 arg_count,
[INFO] [stdout]     |                 ^^^^^^^^^ help: try ignoring the field: `arg_count: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/interpreter.rs:155:51
[INFO] [stdout]     |
[INFO] [stdout] 155 |             InterpreterFunctionDef::FunctionDef { name, def } => self.run_func(
[INFO] [stdout]     |                                                   ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast_parser.rs:38:39
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct ExpressionTreeParsingError(usize);
[INFO] [stdout]    |            -------------------------- ^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `ExpressionTreeParsingError` has a derived impl for the trait `Debug`, but this is 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/ast_parser.rs:149:32
[INFO] [stdout]     |
[INFO] [stdout] 149 |     UnexpectedNonFunctionToken(Token),
[INFO] [stdout]     |     -------------------------- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParsingError` 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] 149 |     UnexpectedNonFunctionToken(()),
[INFO] [stdout]     |                                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast_parser.rs:150:50
[INFO] [stdout]     |
[INFO] [stdout] 150 |     UnexpectedExpressionTokenInLogicParsingPhase(Token),
[INFO] [stdout]     |     -------------------------------------------- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParsingError` 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] 150 |     UnexpectedExpressionTokenInLogicParsingPhase(()),
[INFO] [stdout]     |                                                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast_parser.rs:151:26
[INFO] [stdout]     |
[INFO] [stdout] 151 |     DidntParseWholeInput(ExpressionAST),
[INFO] [stdout]     |     -------------------- ^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParsingError` 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] 151 |     DidntParseWholeInput(()),
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast_parser.rs:153:34
[INFO] [stdout]     |
[INFO] [stdout] 153 |     UnexpectedTopLevelExpression(Vec<ExpressionAST>),
[INFO] [stdout]     |     ---------------------------- ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParsingError` 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] 153 |     UnexpectedTopLevelExpression(()),
[INFO] [stdout]     |                                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `print_ast_in` and `print_ast` are never used
[INFO] [stdout]    --> src/ast_parser.rs:275:8
[INFO] [stdout]     |
[INFO] [stdout] 156 | impl ProgramAST {
[INFO] [stdout]     | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 275 |     fn print_ast_in(&self, indentation: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 296 |     pub fn print_ast(&self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/interpreter.rs:74:32
[INFO] [stdout]    |
[INFO] [stdout] 74 |     UndefinedFunctionReference(String),
[INFO] [stdout]    |     -------------------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RuntimeError` 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] 74 |     UndefinedFunctionReference(()),
[INFO] [stdout]    |                                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/interpreter.rs:75:23
[INFO] [stdout]    |
[INFO] [stdout] 75 |     ValueNotAFunction(usize),
[INFO] [stdout]    |     ----------------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RuntimeError` 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] 75 |     ValueNotAFunction(()),
[INFO] [stdout]    |                       ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/interpreter.rs:78:29
[INFO] [stdout]    |
[INFO] [stdout] 78 |     ExplicitlyRaisedMessage(&'static str),
[INFO] [stdout]    |     ----------------------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RuntimeError` 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] 78 |     ExplicitlyRaisedMessage(()),
[INFO] [stdout]    |                             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast_parser.rs:38:39
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct ExpressionTreeParsingError(usize);
[INFO] [stdout]    |            -------------------------- ^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `ExpressionTreeParsingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.79s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.87
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "52444c639cb3d6e4e6626ca2db0911220126d98ec72cd0917ed7ddb17801ee02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52444c639cb3d6e4e6626ca2db0911220126d98ec72cd0917ed7ddb17801ee02", kill_on_drop: false }`
[INFO] [stdout] 52444c639cb3d6e4e6626ca2db0911220126d98ec72cd0917ed7ddb17801ee02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1a64a4594b5e258cde7934536698573eddc72ad4e9bc1ba8eec828048231647
[INFO] running `Command { std: "docker" "start" "-a" "d1a64a4594b5e258cde7934536698573eddc72ad4e9bc1ba8eec828048231647", kill_on_drop: false }`
[INFO] [stderr]    Compiling stayc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `wasm_bindgen::prelude::wasm_bindgen`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use wasm_bindgen::prelude::wasm_bindgen;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rc::Rc`
[INFO] [stdout]  --> src/interpreter.rs:2:48
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{collections::LinkedList, fmt::Debug, rc::Rc};
[INFO] [stdout]   |                                                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]  --> src/str_ext.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg(feature = "unstable")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stdout]   = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/str_ext.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[cfg(feature = "unstable")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/str_ext.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | #[cfg(feature = "unstable")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/str_ext.rs:71:7
[INFO] [stdout]    |
[INFO] [stdout] 71 | #[cfg(feature = "unstable")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/str_ext.rs:85:11
[INFO] [stdout]    |
[INFO] [stdout] 85 | #[cfg(not(feature = "unstable"))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/str_ext.rs:93:11
[INFO] [stdout]    |
[INFO] [stdout] 93 | #[cfg(not(feature = "unstable"))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]    --> src/str_ext.rs:134:11
[INFO] [stdout]     |
[INFO] [stdout] 134 | #[cfg(not(feature = "unstable"))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stdout]     = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     env, fs,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rc::Rc`
[INFO] [stdout]  --> src/interpreter.rs:2:48
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{collections::LinkedList, fmt::Debug, rc::Rc};
[INFO] [stdout]   |                                                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]  --> src/str_ext.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg(feature = "unstable")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stdout]   = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/str_ext.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[cfg(feature = "unstable")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/str_ext.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | #[cfg(feature = "unstable")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/str_ext.rs:71:7
[INFO] [stdout]    |
[INFO] [stdout] 71 | #[cfg(feature = "unstable")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/str_ext.rs:85:11
[INFO] [stdout]    |
[INFO] [stdout] 85 | #[cfg(not(feature = "unstable"))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/str_ext.rs:93:11
[INFO] [stdout]    |
[INFO] [stdout] 93 | #[cfg(not(feature = "unstable"))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]    --> src/str_ext.rs:134:11
[INFO] [stdout]     |
[INFO] [stdout] 134 | #[cfg(not(feature = "unstable"))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stdout]     = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/interpreter.rs:151:17
[INFO] [stdout]     |
[INFO] [stdout] 151 |                 name,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg_count`
[INFO] [stdout]    --> src/interpreter.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 arg_count,
[INFO] [stdout]     |                 ^^^^^^^^^ help: try ignoring the field: `arg_count: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/interpreter.rs:155:51
[INFO] [stdout]     |
[INFO] [stdout] 155 |             InterpreterFunctionDef::FunctionDef { name, def } => self.run_func(
[INFO] [stdout]     |                                                   ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast_parser.rs:38:39
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct ExpressionTreeParsingError(usize);
[INFO] [stdout]    |            -------------------------- ^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `ExpressionTreeParsingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/interpreter.rs:151:17
[INFO] [stdout]     |
[INFO] [stdout] 151 |                 name,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg_count`
[INFO] [stdout]    --> src/interpreter.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 arg_count,
[INFO] [stdout]     |                 ^^^^^^^^^ help: try ignoring the field: `arg_count: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/interpreter.rs:155:51
[INFO] [stdout]     |
[INFO] [stdout] 155 |             InterpreterFunctionDef::FunctionDef { name, def } => self.run_func(
[INFO] [stdout]     |                                                   ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast_parser.rs:38:39
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct ExpressionTreeParsingError(usize);
[INFO] [stdout]    |            -------------------------- ^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `ExpressionTreeParsingError` has a derived impl for the trait `Debug`, but this is 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/ast_parser.rs:149:32
[INFO] [stdout]     |
[INFO] [stdout] 149 |     UnexpectedNonFunctionToken(Token),
[INFO] [stdout]     |     -------------------------- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParsingError` 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] 149 |     UnexpectedNonFunctionToken(()),
[INFO] [stdout]     |                                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast_parser.rs:150:50
[INFO] [stdout]     |
[INFO] [stdout] 150 |     UnexpectedExpressionTokenInLogicParsingPhase(Token),
[INFO] [stdout]     |     -------------------------------------------- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParsingError` 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] 150 |     UnexpectedExpressionTokenInLogicParsingPhase(()),
[INFO] [stdout]     |                                                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast_parser.rs:151:26
[INFO] [stdout]     |
[INFO] [stdout] 151 |     DidntParseWholeInput(ExpressionAST),
[INFO] [stdout]     |     -------------------- ^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParsingError` 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] 151 |     DidntParseWholeInput(()),
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast_parser.rs:153:34
[INFO] [stdout]     |
[INFO] [stdout] 153 |     UnexpectedTopLevelExpression(Vec<ExpressionAST>),
[INFO] [stdout]     |     ---------------------------- ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParsingError` 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] 153 |     UnexpectedTopLevelExpression(()),
[INFO] [stdout]     |                                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `print_ast_in` and `print_ast` are never used
[INFO] [stdout]    --> src/ast_parser.rs:275:8
[INFO] [stdout]     |
[INFO] [stdout] 156 | impl ProgramAST {
[INFO] [stdout]     | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 275 |     fn print_ast_in(&self, indentation: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 296 |     pub fn print_ast(&self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/interpreter.rs:74:32
[INFO] [stdout]    |
[INFO] [stdout] 74 |     UndefinedFunctionReference(String),
[INFO] [stdout]    |     -------------------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RuntimeError` 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] 74 |     UndefinedFunctionReference(()),
[INFO] [stdout]    |                                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/interpreter.rs:75:23
[INFO] [stdout]    |
[INFO] [stdout] 75 |     ValueNotAFunction(usize),
[INFO] [stdout]    |     ----------------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RuntimeError` 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] 75 |     ValueNotAFunction(()),
[INFO] [stdout]    |                       ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/interpreter.rs:78:29
[INFO] [stdout]    |
[INFO] [stdout] 78 |     ExplicitlyRaisedMessage(&'static str),
[INFO] [stdout]    |     ----------------------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RuntimeError` 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] 78 |     ExplicitlyRaisedMessage(()),
[INFO] [stdout]    |                             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.63s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.87
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "d1a64a4594b5e258cde7934536698573eddc72ad4e9bc1ba8eec828048231647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1a64a4594b5e258cde7934536698573eddc72ad4e9bc1ba8eec828048231647", kill_on_drop: false }`
[INFO] [stdout] d1a64a4594b5e258cde7934536698573eddc72ad4e9bc1ba8eec828048231647
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 37f6bfb20709e0f39df4c9e2ed12f1f72dd6708ea5481afb2761f776dc4b09b5
[INFO] running `Command { std: "docker" "start" "-a" "37f6bfb20709e0f39df4c9e2ed12f1f72dd6708ea5481afb2761f776dc4b09b5", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `wasm_bindgen::prelude::wasm_bindgen`
[INFO] [stderr]  --> src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use wasm_bindgen::prelude::wasm_bindgen;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rc::Rc`
[INFO] [stderr]  --> src/interpreter.rs:2:48
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::{collections::LinkedList, fmt::Debug, rc::Rc};
[INFO] [stderr]   |                                                ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stderr]  --> src/str_ext.rs:3:7
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[cfg(feature = "unstable")]
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stderr]   = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stderr]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stderr]   --> src/str_ext.rs:21:7
[INFO] [stderr]    |
[INFO] [stderr] 21 | #[cfg(feature = "unstable")]
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stderr]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stderr]   --> src/str_ext.rs:31:7
[INFO] [stderr]    |
[INFO] [stderr] 31 | #[cfg(feature = "unstable")]
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stderr]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stderr]   --> src/str_ext.rs:71:7
[INFO] [stderr]    |
[INFO] [stderr] 71 | #[cfg(feature = "unstable")]
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stderr]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stderr]   --> src/str_ext.rs:85:11
[INFO] [stderr]    |
[INFO] [stderr] 85 | #[cfg(not(feature = "unstable"))]
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stderr]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stderr]   --> src/str_ext.rs:93:11
[INFO] [stderr]    |
[INFO] [stderr] 93 | #[cfg(not(feature = "unstable"))]
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stderr]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stderr]    --> src/str_ext.rs:134:11
[INFO] [stderr]     |
[INFO] [stderr] 134 | #[cfg(not(feature = "unstable"))]
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `feature` are: `default` and `wasm`
[INFO] [stderr]     = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/interpreter.rs:151:17
[INFO] [stderr]     |
[INFO] [stderr] 151 |                 name,
[INFO] [stderr]     |                 ^^^^ help: try ignoring the field: `name: _`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg_count`
[INFO] [stderr]    --> src/interpreter.rs:152:17
[INFO] [stderr]     |
[INFO] [stderr] 152 |                 arg_count,
[INFO] [stderr]     |                 ^^^^^^^^^ help: try ignoring the field: `arg_count: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/interpreter.rs:155:51
[INFO] [stderr]     |
[INFO] [stderr] 155 |             InterpreterFunctionDef::FunctionDef { name, def } => self.run_func(
[INFO] [stderr]     |                                                   ^^^^ help: try ignoring the field: `name: _`
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/ast_parser.rs:38:39
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub struct ExpressionTreeParsingError(usize);
[INFO] [stderr]    |            -------------------------- ^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr]    = note: `ExpressionTreeParsingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `stayc` (lib test) generated 13 warnings (run `cargo fix --lib -p stayc --tests` to apply 2 suggestions)
[INFO] [stderr] warning: unused import: `env`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     env, fs,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/ast_parser.rs:149:32
[INFO] [stderr]     |
[INFO] [stderr] 149 |     UnexpectedNonFunctionToken(Token),
[INFO] [stderr]     |     -------------------------- ^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `ParsingError` 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] 149 |     UnexpectedNonFunctionToken(()),
[INFO] [stderr]     |                                ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/ast_parser.rs:150:50
[INFO] [stderr]     |
[INFO] [stderr] 150 |     UnexpectedExpressionTokenInLogicParsingPhase(Token),
[INFO] [stderr]     |     -------------------------------------------- ^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `ParsingError` 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] 150 |     UnexpectedExpressionTokenInLogicParsingPhase(()),
[INFO] [stderr]     |                                                  ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/ast_parser.rs:151:26
[INFO] [stderr]     |
[INFO] [stderr] 151 |     DidntParseWholeInput(ExpressionAST),
[INFO] [stderr]     |     -------------------- ^^^^^^^^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `ParsingError` 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] 151 |     DidntParseWholeInput(()),
[INFO] [stderr]     |                          ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/ast_parser.rs:153:34
[INFO] [stderr]     |
[INFO] [stderr] 153 |     UnexpectedTopLevelExpression(Vec<ExpressionAST>),
[INFO] [stderr]     |     ---------------------------- ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `ParsingError` 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] 153 |     UnexpectedTopLevelExpression(()),
[INFO] [stderr]     |                                  ~~
[INFO] [stderr] 
[INFO] [stderr] warning: methods `print_ast_in` and `print_ast` are never used
[INFO] [stderr]    --> src/ast_parser.rs:275:8
[INFO] [stderr]     |
[INFO] [stderr] 156 | impl ProgramAST {
[INFO] [stderr]     | --------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 275 |     fn print_ast_in(&self, indentation: usize) {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 296 |     pub fn print_ast(&self) {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/interpreter.rs:74:32
[INFO] [stderr]    |
[INFO] [stderr] 74 |     UndefinedFunctionReference(String),
[INFO] [stderr]    |     -------------------------- ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `RuntimeError` 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] 74 |     UndefinedFunctionReference(()),
[INFO] [stderr]    |                                ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/interpreter.rs:75:23
[INFO] [stderr]    |
[INFO] [stderr] 75 |     ValueNotAFunction(usize),
[INFO] [stderr]    |     ----------------- ^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `RuntimeError` 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] 75 |     ValueNotAFunction(()),
[INFO] [stderr]    |                       ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/interpreter.rs:78:29
[INFO] [stderr]    |
[INFO] [stderr] 78 |     ExplicitlyRaisedMessage(&'static str),
[INFO] [stderr]    |     ----------------------- ^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `RuntimeError` 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] 78 |     ExplicitlyRaisedMessage(()),
[INFO] [stderr]    |                             ~~
[INFO] [stderr] 
[INFO] [stderr] warning: `stayc` (bin "stayclang" test) generated 21 warnings (12 duplicates) (run `cargo fix --bin "stayclang" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.87
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stayc-19f65f59d5edf77f)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test str_ext::test::split_with_delimiter ... ok
[INFO] [stdout] test str_ext::test::split_with_delimiter_allows_consecutive_delimiters ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/stayclang-0e83a0bc840802d4)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test str_ext::test::split_with_delimiter ... ok
[INFO] [stdout] test str_ext::test::split_with_delimiter_allows_consecutive_delimiters ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "37f6bfb20709e0f39df4c9e2ed12f1f72dd6708ea5481afb2761f776dc4b09b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37f6bfb20709e0f39df4c9e2ed12f1f72dd6708ea5481afb2761f776dc4b09b5", kill_on_drop: false }`
[INFO] [stdout] 37f6bfb20709e0f39df4c9e2ed12f1f72dd6708ea5481afb2761f776dc4b09b5
