[INFO] cloning repository https://github.com/sayaks/fraction-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sayaks/fraction-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsayaks%2Ffraction-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsayaks%2Ffraction-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f1ebb1090b73fbcbf5dc30093dc7e91f34a70ea
[INFO] testing sayaks/fraction-interpreter against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsayaks%2Ffraction-interpreter" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sayaks/fraction-interpreter on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sayaks/fraction-interpreter
[INFO] finished tweaking git repo https://github.com/sayaks/fraction-interpreter
[INFO] tweaked toml for git repo https://github.com/sayaks/fraction-interpreter written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/sayaks/fraction-interpreter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rpds v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e71e3e4b2c63636a4dd9206bc81949c8d482e7fe244dfe8b333a7fe425a360e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0e71e3e4b2c63636a4dd9206bc81949c8d482e7fe244dfe8b333a7fe425a360e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e71e3e4b2c63636a4dd9206bc81949c8d482e7fe244dfe8b333a7fe425a360e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e71e3e4b2c63636a4dd9206bc81949c8d482e7fe244dfe8b333a7fe425a360e", kill_on_drop: false }`
[INFO] [stdout] 0e71e3e4b2c63636a4dd9206bc81949c8d482e7fe244dfe8b333a7fe425a360e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03d41452b47da22f660672c660a7cd82a62440e4377c59802410a3958f00462f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "03d41452b47da22f660672c660a7cd82a62440e4377c59802410a3958f00462f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling rpds v0.6.0
[INFO] [stderr]    Compiling pest v2.1.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling pest_meta v2.1.0
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling fraction-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/interpreter/ast.rs:93:19
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub func: &'a Fn (&List<Value<'a>>) -> Result<Value<'a>, RuntimeError>,
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn (&List<Value<'a>>) -> Result<Value<'a>, RuntimeError>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/interpreter/parser.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | /     match assignment_type.as_rule() {
[INFO] [stdout] 32 | |         Rule::var_assign => unimplemented!(),
[INFO] [stdout] 33 | |         Rule::func_assign => unimplemented!(),
[INFO] [stdout] 34 | |         _ => unreachable!(),
[INFO] [stdout] 35 | |     };
[INFO] [stdout]    | |_____- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 36 | 
[INFO] [stdout] 37 |       unimplemented!();
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pair`
[INFO] [stdout]   --> src/interpreter/parser.rs:40:26
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn expression_parser<'a>(pair: Pair<Rule>) -> Result<ast::Statement<'a>, Error<Rule>> {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_pair`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Closure<'a>` in public interface (error E0446)
[INFO] [stdout]    --> src/interpreter/ast.rs:105:14
[INFO] [stdout]     |
[INFO] [stdout] 105 |     Function(Closure<'a>),
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UndefinedVariable`
[INFO] [stdout]  --> src/interpreter/ast.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     UndefinedVariable(Name),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IncorrectNumberOfArgs`
[INFO] [stdout]   --> src/interpreter/ast.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     IncorrectNumberOfArgs(usize, usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CannotCallValue`
[INFO] [stdout]   --> src/interpreter/ast.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     CannotCallValue(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unimplemented`
[INFO] [stdout]   --> src/interpreter/ast.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Unimplemented(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TypeError`
[INFO] [stdout]   --> src/interpreter/ast.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     TypeError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]   --> src/interpreter/ast.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     parent: Option<Box<&'a Environment<'a>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mappings`
[INFO] [stdout]   --> src/interpreter/ast.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     mappings: HashMap<Name, Value<'a>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/interpreter/ast.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn new(parent: Option<Box<&'a Environment<'a>>>, defines: Vec<(&Name, &Value<'a>)>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/interpreter/ast.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn get(&self, name: &Name) -> Result<Value<'a>, RuntimeError> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `evaluate`
[INFO] [stdout]   --> src/interpreter/ast.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn evaluate(&self, expr: &'a Expression<'a>) -> Result<Value<'a>, RuntimeError> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `call`
[INFO] [stdout]   --> src/interpreter/ast.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn call(&'a self, args: &'a List<Value<'a>>) -> Result<Value<'a>, RuntimeError> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Number`
[INFO] [stdout]    --> src/interpreter/ast.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 |     Number(Number),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Glyph`
[INFO] [stdout]    --> src/interpreter/ast.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     Glyph(char),
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `List`
[INFO] [stdout]    --> src/interpreter/ast.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     List(List<Value<'a>>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Function`
[INFO] [stdout]    --> src/interpreter/ast.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     Function(Closure<'a>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Builtin`
[INFO] [stdout]    --> src/interpreter/ast.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |     Builtin(Builtin<'a>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_call`
[INFO] [stdout]    --> src/interpreter/ast.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn try_call(&'a self, args: &'a List<Value<'a>>) -> Result<Value<'a>, RuntimeError> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Atomic`
[INFO] [stdout]    --> src/interpreter/ast.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     Atomic(Value<'a>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Variable`
[INFO] [stdout]    --> src/interpreter/ast.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 |     Variable(Name),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Application`
[INFO] [stdout]    --> src/interpreter/ast.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 137 |     Application(Value<'a>, List<Value<'a>>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Statement`
[INFO] [stdout]    --> src/interpreter/ast.rs:140:10
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub enum Statement<'a> {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Program`
[INFO] [stdout]    --> src/interpreter/ast.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | pub type Program<'a> = List<Statement<'a>>;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]  --> src/interpreter/data_structures.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Float(f64),
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Integer`
[INFO] [stdout]  --> src/interpreter/data_structures.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Integer(i128),
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_fraction_string`
[INFO] [stdout]  --> src/interpreter/parser.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn parse_fraction_string<'a>(file: &str) -> Result<ast::Program<'a>, Error<Rule>> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `statement_parser`
[INFO] [stdout]   --> src/interpreter/parser.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn statement_parser<'a>(pair: Pair<Rule>) -> Result<ast::Statement<'a>, Error<Rule>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assignment_parser`
[INFO] [stdout]   --> src/interpreter/parser.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn assignment_parser<'a>(pair: Pair<Rule>) -> Result<ast::Statement<'a>, Error<Rule>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `expression_parser`
[INFO] [stdout]   --> src/interpreter/parser.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn expression_parser<'a>(pair: Pair<Rule>) -> Result<ast::Statement<'a>, Error<Rule>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add2`
[INFO] [stdout]  --> src/interpreter/builtins.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn add2<'a>(arg1: Value<'a>, arg2: &Value<'a>) -> Result<Value<'a>, RuntimeError> {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add`
[INFO] [stdout]   --> src/interpreter/builtins.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn add<'a>(args: &List<Value<'a>>) -> Result<Value<'a>, RuntimeError> {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ADD`
[INFO] [stdout]   --> src/interpreter/builtins.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / const ADD: Builtin<'static> = Builtin {
[INFO] [stdout] 18 | |     func: &add,
[INFO] [stdout] 19 | | };
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.25s
[INFO] running `Command { std: "docker" "inspect" "03d41452b47da22f660672c660a7cd82a62440e4377c59802410a3958f00462f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03d41452b47da22f660672c660a7cd82a62440e4377c59802410a3958f00462f", kill_on_drop: false }`
[INFO] [stdout] 03d41452b47da22f660672c660a7cd82a62440e4377c59802410a3958f00462f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1cd4a00b3c20d4bb7efef607ee318d07779cc1d03a39346cab9dd6350808f00
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f1cd4a00b3c20d4bb7efef607ee318d07779cc1d03a39346cab9dd6350808f00", kill_on_drop: false }`
[INFO] [stderr]    Compiling fraction-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/interpreter/ast.rs:93:19
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub func: &'a Fn (&List<Value<'a>>) -> Result<Value<'a>, RuntimeError>,
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn (&List<Value<'a>>) -> Result<Value<'a>, RuntimeError>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/interpreter/parser.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | /     match assignment_type.as_rule() {
[INFO] [stdout] 32 | |         Rule::var_assign => unimplemented!(),
[INFO] [stdout] 33 | |         Rule::func_assign => unimplemented!(),
[INFO] [stdout] 34 | |         _ => unreachable!(),
[INFO] [stdout] 35 | |     };
[INFO] [stdout]    | |_____- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 36 | 
[INFO] [stdout] 37 |       unimplemented!();
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pair`
[INFO] [stdout]   --> src/interpreter/parser.rs:40:26
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn expression_parser<'a>(pair: Pair<Rule>) -> Result<ast::Statement<'a>, Error<Rule>> {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_pair`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Closure<'a>` in public interface (error E0446)
[INFO] [stdout]    --> src/interpreter/ast.rs:105:14
[INFO] [stdout]     |
[INFO] [stdout] 105 |     Function(Closure<'a>),
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UndefinedVariable`
[INFO] [stdout]  --> src/interpreter/ast.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     UndefinedVariable(Name),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IncorrectNumberOfArgs`
[INFO] [stdout]   --> src/interpreter/ast.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     IncorrectNumberOfArgs(usize, usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CannotCallValue`
[INFO] [stdout]   --> src/interpreter/ast.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     CannotCallValue(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unimplemented`
[INFO] [stdout]   --> src/interpreter/ast.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Unimplemented(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TypeError`
[INFO] [stdout]   --> src/interpreter/ast.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     TypeError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]   --> src/interpreter/ast.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     parent: Option<Box<&'a Environment<'a>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mappings`
[INFO] [stdout]   --> src/interpreter/ast.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     mappings: HashMap<Name, Value<'a>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/interpreter/ast.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn new(parent: Option<Box<&'a Environment<'a>>>, defines: Vec<(&Name, &Value<'a>)>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/interpreter/ast.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn get(&self, name: &Name) -> Result<Value<'a>, RuntimeError> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `evaluate`
[INFO] [stdout]   --> src/interpreter/ast.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn evaluate(&self, expr: &'a Expression<'a>) -> Result<Value<'a>, RuntimeError> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `call`
[INFO] [stdout]   --> src/interpreter/ast.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn call(&'a self, args: &'a List<Value<'a>>) -> Result<Value<'a>, RuntimeError> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Number`
[INFO] [stdout]    --> src/interpreter/ast.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 |     Number(Number),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Glyph`
[INFO] [stdout]    --> src/interpreter/ast.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     Glyph(char),
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `List`
[INFO] [stdout]    --> src/interpreter/ast.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     List(List<Value<'a>>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Function`
[INFO] [stdout]    --> src/interpreter/ast.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     Function(Closure<'a>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Builtin`
[INFO] [stdout]    --> src/interpreter/ast.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |     Builtin(Builtin<'a>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_call`
[INFO] [stdout]    --> src/interpreter/ast.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn try_call(&'a self, args: &'a List<Value<'a>>) -> Result<Value<'a>, RuntimeError> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Atomic`
[INFO] [stdout]    --> src/interpreter/ast.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     Atomic(Value<'a>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Variable`
[INFO] [stdout]    --> src/interpreter/ast.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 |     Variable(Name),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Application`
[INFO] [stdout]    --> src/interpreter/ast.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 137 |     Application(Value<'a>, List<Value<'a>>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Statement`
[INFO] [stdout]    --> src/interpreter/ast.rs:140:10
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub enum Statement<'a> {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Program`
[INFO] [stdout]    --> src/interpreter/ast.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | pub type Program<'a> = List<Statement<'a>>;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]  --> src/interpreter/data_structures.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Float(f64),
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Integer`
[INFO] [stdout]  --> src/interpreter/data_structures.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Integer(i128),
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_fraction_string`
[INFO] [stdout]  --> src/interpreter/parser.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn parse_fraction_string<'a>(file: &str) -> Result<ast::Program<'a>, Error<Rule>> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `statement_parser`
[INFO] [stdout]   --> src/interpreter/parser.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn statement_parser<'a>(pair: Pair<Rule>) -> Result<ast::Statement<'a>, Error<Rule>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assignment_parser`
[INFO] [stdout]   --> src/interpreter/parser.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn assignment_parser<'a>(pair: Pair<Rule>) -> Result<ast::Statement<'a>, Error<Rule>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `expression_parser`
[INFO] [stdout]   --> src/interpreter/parser.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn expression_parser<'a>(pair: Pair<Rule>) -> Result<ast::Statement<'a>, Error<Rule>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add2`
[INFO] [stdout]  --> src/interpreter/builtins.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn add2<'a>(arg1: Value<'a>, arg2: &Value<'a>) -> Result<Value<'a>, RuntimeError> {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add`
[INFO] [stdout]   --> src/interpreter/builtins.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn add<'a>(args: &List<Value<'a>>) -> Result<Value<'a>, RuntimeError> {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ADD`
[INFO] [stdout]   --> src/interpreter/builtins.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / const ADD: Builtin<'static> = Builtin {
[INFO] [stdout] 18 | |     func: &add,
[INFO] [stdout] 19 | | };
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `Command { std: "docker" "inspect" "f1cd4a00b3c20d4bb7efef607ee318d07779cc1d03a39346cab9dd6350808f00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1cd4a00b3c20d4bb7efef607ee318d07779cc1d03a39346cab9dd6350808f00", kill_on_drop: false }`
[INFO] [stdout] f1cd4a00b3c20d4bb7efef607ee318d07779cc1d03a39346cab9dd6350808f00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1102e465947e3e938b553bd4eca0e6317a65d47094655a116fcfe22bafda5285
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1102e465947e3e938b553bd4eca0e6317a65d47094655a116fcfe22bafda5285", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interpreter/ast.rs:93:19
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub func: &'a Fn (&List<Value<'a>>) -> Result<Value<'a>, RuntimeError>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn (&List<Value<'a>>) -> Result<Value<'a>, RuntimeError>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/interpreter/parser.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | /     match assignment_type.as_rule() {
[INFO] [stderr] 32 | |         Rule::var_assign => unimplemented!(),
[INFO] [stderr] 33 | |         Rule::func_assign => unimplemented!(),
[INFO] [stderr] 34 | |         _ => unreachable!(),
[INFO] [stderr] 35 | |     };
[INFO] [stderr]    | |_____- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stderr] 36 | 
[INFO] [stderr] 37 |       unimplemented!();
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pair`
[INFO] [stderr]   --> src/interpreter/parser.rs:40:26
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn expression_parser<'a>(pair: Pair<Rule>) -> Result<ast::Statement<'a>, Error<Rule>> {
[INFO] [stderr]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_pair`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: private type `Closure<'a>` in public interface (error E0446)
[INFO] [stderr]    --> src/interpreter/ast.rs:105:14
[INFO] [stderr]     |
[INFO] [stderr] 105 |     Function(Closure<'a>),
[INFO] [stderr]     |              ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(private_in_public)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UndefinedVariable`
[INFO] [stderr]  --> src/interpreter/ast.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     UndefinedVariable(Name),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IncorrectNumberOfArgs`
[INFO] [stderr]   --> src/interpreter/ast.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     IncorrectNumberOfArgs(usize, usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CannotCallValue`
[INFO] [stderr]   --> src/interpreter/ast.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     CannotCallValue(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unimplemented`
[INFO] [stderr]   --> src/interpreter/ast.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Unimplemented(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TypeError`
[INFO] [stderr]   --> src/interpreter/ast.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     TypeError(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `parent`
[INFO] [stderr]   --> src/interpreter/ast.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     parent: Option<Box<&'a Environment<'a>>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `mappings`
[INFO] [stderr]   --> src/interpreter/ast.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     mappings: HashMap<Name, Value<'a>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/interpreter/ast.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn new(parent: Option<Box<&'a Environment<'a>>>, defines: Vec<(&Name, &Value<'a>)>) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get`
[INFO] [stderr]   --> src/interpreter/ast.rs:36:8
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn get(&self, name: &Name) -> Result<Value<'a>, RuntimeError> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `evaluate`
[INFO] [stderr]   --> src/interpreter/ast.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn evaluate(&self, expr: &'a Expression<'a>) -> Result<Value<'a>, RuntimeError> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `call`
[INFO] [stderr]   --> src/interpreter/ast.rs:72:8
[INFO] [stderr]    |
[INFO] [stderr] 72 |     fn call(&'a self, args: &'a List<Value<'a>>) -> Result<Value<'a>, RuntimeError> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Number`
[INFO] [stderr]    --> src/interpreter/ast.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     Number(Number),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Glyph`
[INFO] [stderr]    --> src/interpreter/ast.rs:103:5
[INFO] [stderr]     |
[INFO] [stderr] 103 |     Glyph(char),
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `List`
[INFO] [stderr]    --> src/interpreter/ast.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     List(List<Value<'a>>),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Function`
[INFO] [stderr]    --> src/interpreter/ast.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     Function(Closure<'a>),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Builtin`
[INFO] [stderr]    --> src/interpreter/ast.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     Builtin(Builtin<'a>),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_call`
[INFO] [stderr]    --> src/interpreter/ast.rs:110:8
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn try_call(&'a self, args: &'a List<Value<'a>>) -> Result<Value<'a>, RuntimeError> {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Atomic`
[INFO] [stderr]    --> src/interpreter/ast.rs:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 |     Atomic(Value<'a>),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Variable`
[INFO] [stderr]    --> src/interpreter/ast.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 |     Variable(Name),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Application`
[INFO] [stderr]    --> src/interpreter/ast.rs:137:5
[INFO] [stderr]     |
[INFO] [stderr] 137 |     Application(Value<'a>, List<Value<'a>>),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Statement`
[INFO] [stderr]    --> src/interpreter/ast.rs:140:10
[INFO] [stderr]     |
[INFO] [stderr] 140 | pub enum Statement<'a> {
[INFO] [stderr]     |          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Program`
[INFO] [stderr]    --> src/interpreter/ast.rs:145:1
[INFO] [stderr]     |
[INFO] [stderr] 145 | pub type Program<'a> = List<Statement<'a>>;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Float`
[INFO] [stderr]  --> src/interpreter/data_structures.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Float(f64),
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Integer`
[INFO] [stderr]  --> src/interpreter/data_structures.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Integer(i128),
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_fraction_string`
[INFO] [stderr]  --> src/interpreter/parser.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn parse_fraction_string<'a>(file: &str) -> Result<ast::Program<'a>, Error<Rule>> {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `statement_parser`
[INFO] [stderr]   --> src/interpreter/parser.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn statement_parser<'a>(pair: Pair<Rule>) -> Result<ast::Statement<'a>, Error<Rule>> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assignment_parser`
[INFO] [stderr]   --> src/interpreter/parser.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn assignment_parser<'a>(pair: Pair<Rule>) -> Result<ast::Statement<'a>, Error<Rule>> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `expression_parser`
[INFO] [stderr]   --> src/interpreter/parser.rs:40:4
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn expression_parser<'a>(pair: Pair<Rule>) -> Result<ast::Statement<'a>, Error<Rule>> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add2`
[INFO] [stderr]  --> src/interpreter/builtins.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn add2<'a>(arg1: Value<'a>, arg2: &Value<'a>) -> Result<Value<'a>, RuntimeError> {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add`
[INFO] [stderr]   --> src/interpreter/builtins.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn add<'a>(args: &List<Value<'a>>) -> Result<Value<'a>, RuntimeError> {
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `ADD`
[INFO] [stderr]   --> src/interpreter/builtins.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | / const ADD: Builtin<'static> = Builtin {
[INFO] [stderr] 18 | |     func: &add,
[INFO] [stderr] 19 | | };
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: 35 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fraction_interpreter-7cb41eda2a70a353
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test interpreter::test::name ... FAILED
[INFO] [stdout] test interpreter::parser::test::test ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- interpreter::test::name stdout ----
[INFO] [stdout] thread 'interpreter::test::name' panicked at 'not implemented', src/interpreter/mod.rs:10:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x558661ca0e90 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x558661ca0e90 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x558661ca0e90 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x558661ca0e90 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x558661cc312c - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stdout]    5:     0x558661c40646 - std::io::Write::write_fmt::h68b2e5fe4c78e61a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stdout]    6:     0x558661c9b6ad - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::he9ebec865e28165c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/impls.rs:179
[INFO] [stdout]    7:     0x558661ca33ad - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    8:     0x558661ca33ad - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    9:     0x558661ca33ad - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stdout]   10:     0x558661ca3002 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:224
[INFO] [stdout]   11:     0x558661ca3a91 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stdout]   12:     0x558661c7b7bc - std::panicking::begin_panic::{{closure}}::hd93efee96f2375be
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:506
[INFO] [stdout]   13:     0x558661c7b569 - std::sys_common::backtrace::__rust_end_short_backtrace::h81e3b62b89666d70
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   14:     0x558661c7b6e7 - std::panicking::begin_panic::h0d9e645e552c4587
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:505
[INFO] [stdout]   15:     0x558661c3c2dd - fraction_interpreter::interpreter::test::name::hcee8ba522f7ddab0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/interpreter/mod.rs:10
[INFO] [stdout]   16:     0x558661c3c2aa - fraction_interpreter::interpreter::test::name::{{closure}}::hbd1c28f59dae4841
[INFO] [stdout]                                at /opt/rustwide/workdir/src/interpreter/mod.rs:9
[INFO] [stdout]   17:     0x558661c2c21e - core::ops::function::FnOnce::call_once::h8504d8cff7791f29
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   18:     0x558661c67433 - core::ops::function::FnOnce::call_once::hcd3fa2f0696c1015
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   19:     0x558661c67433 - test::__rust_begin_short_backtrace::h113f97c5e5ab7d4a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:516
[INFO] [stdout]   20:     0x558661c65938 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h01fd09163cae2442
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   21:     0x558661c65938 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0da6b685ae74a04a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   22:     0x558661c65938 - std::panicking::try::do_call::h564a32f132f2c264
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   23:     0x558661c65938 - std::panicking::try::h477cfd4b06a2e64a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   24:     0x558661c65938 - std::panic::catch_unwind::hdb5abc6d008c399d
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   25:     0x558661c65938 - test::run_test_in_process::he8ff7dec91b275be
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:543
[INFO] [stdout]   26:     0x558661c65938 - test::run_test::run_test_inner::{{closure}}::hfd9f49e4a4ff9162
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:449
[INFO] [stdout]   27:     0x558661c3f9c6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hee6d60d5bb466aff
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stdout]   28:     0x558661c44b35 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h988cecdf9ebbaf00
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464
[INFO] [stdout]   29:     0x558661c44b35 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330cf727ec126982
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   30:     0x558661c44b35 - std::panicking::try::do_call::h6cd25078f4a5ea13
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   31:     0x558661c44b35 - std::panicking::try::h84b1d49961301705
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   32:     0x558661c44b35 - std::panic::catch_unwind::h6145324593b3654b
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   33:     0x558661c44b35 - std::thread::Builder::spawn_unchecked::{{closure}}::ha41e72e8024f9192
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463
[INFO] [stdout]   34:     0x558661c44b35 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hfb5034cf1f1be223
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   35:     0x558661ca9aba - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   36:     0x558661ca9aba - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   37:     0x558661ca9aba - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stdout]   38:     0x7fcfaea56609 - start_thread
[INFO] [stdout]   39:     0x7fcfaece1103 - clone
[INFO] [stdout]   40:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- interpreter::parser::test::test stdout ----
[INFO] [stdout] Ok(
[INFO] [stdout]     [
[INFO] [stdout]         Pair {
[INFO] [stdout]             rule: program,
[INFO] [stdout]             span: Span {
[INFO] [stdout]                 str: "foo(a, 2)",
[INFO] [stdout]                 start: 0,
[INFO] [stdout]                 end: 9,
[INFO] [stdout]             },
[INFO] [stdout]             inner: [
[INFO] [stdout]                 Pair {
[INFO] [stdout]                     rule: statement,
[INFO] [stdout]                     span: Span {
[INFO] [stdout]                         str: "foo(a, 2)",
[INFO] [stdout]                         start: 0,
[INFO] [stdout]                         end: 9,
[INFO] [stdout]                     },
[INFO] [stdout]                     inner: [
[INFO] [stdout]                         Pair {
[INFO] [stdout]                             rule: expr,
[INFO] [stdout]                             span: Span {
[INFO] [stdout]                                 str: "foo(a, 2)",
[INFO] [stdout]                                 start: 0,
[INFO] [stdout]                                 end: 9,
[INFO] [stdout]                             },
[INFO] [stdout]                             inner: [
[INFO] [stdout]                                 Pair {
[INFO] [stdout]                                     rule: funcapply,
[INFO] [stdout]                                     span: Span {
[INFO] [stdout]                                         str: "foo(a, 2)",
[INFO] [stdout]                                         start: 0,
[INFO] [stdout]                                         end: 9,
[INFO] [stdout]                                     },
[INFO] [stdout]                                     inner: [
[INFO] [stdout]                                         Pair {
[INFO] [stdout]                                             rule: varname,
[INFO] [stdout]                                             span: Span {
[INFO] [stdout]                                                 str: "foo",
[INFO] [stdout]                                                 start: 0,
[INFO] [stdout]                                                 end: 3,
[INFO] [stdout]                                             },
[INFO] [stdout]                                             inner: [],
[INFO] [stdout]                                         },
[INFO] [stdout]                                         Pair {
[INFO] [stdout]                                             rule: apply_list,
[INFO] [stdout]                                             span: Span {
[INFO] [stdout]                                                 str: "(a, 2)",
[INFO] [stdout]                                                 start: 3,
[INFO] [stdout]                                                 end: 9,
[INFO] [stdout]                                             },
[INFO] [stdout]                                             inner: [
[INFO] [stdout]                                                 Pair {
[INFO] [stdout]                                                     rule: exprlist,
[INFO] [stdout]                                                     span: Span {
[INFO] [stdout]                                                         str: "a, 2",
[INFO] [stdout]                                                         start: 4,
[INFO] [stdout]                                                         end: 8,
[INFO] [stdout]                                                     },
[INFO] [stdout]                                                     inner: [
[INFO] [stdout]                                                         Pair {
[INFO] [stdout]                                                             rule: expr,
[INFO] [stdout]                                                             span: Span {
[INFO] [stdout]                                                                 str: "a",
[INFO] [stdout]                                                                 start: 4,
[INFO] [stdout]                                                                 end: 5,
[INFO] [stdout]                                                             },
[INFO] [stdout]                                                             inner: [
[INFO] [stdout]                                                                 Pair {
[INFO] [stdout]                                                                     rule: bin_operator_expr,
[INFO] [stdout]                                                                     span: Span {
[INFO] [stdout]                                                                         str: "a",
[INFO] [stdout]                                                                         start: 4,
[INFO] [stdout]                                                                         end: 5,
[INFO] [stdout]                                                                     },
[INFO] [stdout]                                                                     inner: [
[INFO] [stdout]                                                                         Pair {
[INFO] [stdout]                                                                             rule: unary_operator_expr,
[INFO] [stdout]                                                                             span: Span {
[INFO] [stdout]                                                                                 str: "a",
[INFO] [stdout]                                                                                 start: 4,
[INFO] [stdout]                                                                                 end: 5,
[INFO] [stdout]                                                                             },
[INFO] [stdout]                                                                             inner: [
[INFO] [stdout]                                                                                 Pair {
[INFO] [stdout]                                                                                     rule: nested_expr,
[INFO] [stdout]                                                                                     span: Span {
[INFO] [stdout]                                                                                         str: "a",
[INFO] [stdout]                                                                                         start: 4,
[INFO] [stdout]                                                                                         end: 5,
[INFO] [stdout]                                                                                     },
[INFO] [stdout]                                                                                     inner: [
[INFO] [stdout]                                                                                         Pair {
[INFO] [stdout]                                                                                             rule: atom,
[INFO] [stdout]                                                                                             span: Span {
[INFO] [stdout]                                                                                                 str: "a",
[INFO] [stdout]                                                                                                 start: 4,
[INFO] [stdout]                                                                                                 end: 5,
[INFO] [stdout]                                                                                             },
[INFO] [stdout]                                                                                             inner: [],
[INFO] [stdout]                                                                                         },
[INFO] [stdout]                                                                                     ],
[INFO] [stdout]                                                                                 },
[INFO] [stdout]                                                                             ],
[INFO] [stdout]                                                                         },
[INFO] [stdout]                                                                     ],
[INFO] [stdout]                                                                 },
[INFO] [stdout]                                                             ],
[INFO] [stdout]                                                         },
[INFO] [stdout]                                                         Pair {
[INFO] [stdout]                                                             rule: expr,
[INFO] [stdout]                                                             span: Span {
[INFO] [stdout]                                                                 str: "2",
[INFO] [stdout]                                                                 start: 7,
[INFO] [stdout]                                                                 end: 8,
[INFO] [stdout]                                                             },
[INFO] [stdout]                                                             inner: [
[INFO] [stdout]                                                                 Pair {
[INFO] [stdout]                                                                     rule: bin_operator_expr,
[INFO] [stdout]                                                                     span: Span {
[INFO] [stdout]                                                                         str: "2",
[INFO] [stdout]                                                                         start: 7,
[INFO] [stdout]                                                                         end: 8,
[INFO] [stdout]                                                                     },
[INFO] [stdout]                                                                     inner: [
[INFO] [stdout]                                                                         Pair {
[INFO] [stdout]                                                                             rule: unary_operator_expr,
[INFO] [stdout]                                                                             span: Span {
[INFO] [stdout]                                                                                 str: "2",
[INFO] [stdout]                                                                                 start: 7,
[INFO] [stdout]                                                                                 end: 8,
[INFO] [stdout]                                                                             },
[INFO] [stdout]                                                                             inner: [
[INFO] [stdout]                                                                                 Pair {
[INFO] [stdout]                                                                                     rule: nested_expr,
[INFO] [stdout]                                                                                     span: Span {
[INFO] [stdout]                                                                                         str: "2",
[INFO] [stdout]                                                                                         start: 7,
[INFO] [stdout]                                                                                         end: 8,
[INFO] [stdout]                                                                                     },
[INFO] [stdout]                                                                                     inner: [
[INFO] [stdout]                                                                                         Pair {
[INFO] [stdout]                                                                                             rule: atom,
[INFO] [stdout]                                                                                             span: Span {
[INFO] [stdout]                                                                                                 str: "2",
[INFO] [stdout]                                                                                                 start: 7,
[INFO] [stdout]                                                                                                 end: 8,
[INFO] [stdout]                                                                                             },
[INFO] [stdout]                                                                                             inner: [
[INFO] [stdout]                                                                                                 Pair {
[INFO] [stdout]                                                                                                     rule: number,
[INFO] [stdout]                                                                                                     span: Span {
[INFO] [stdout]                                                                                                         str: "2",
[INFO] [stdout]                                                                                                         start: 7,
[INFO] [stdout]                                                                                                         end: 8,
[INFO] [stdout]                                                                                                     },
[INFO] [stdout]                                                                                                     inner: [
[INFO] [stdout]                                                                                                         Pair {
[INFO] [stdout]                                                                                                             rule: integer,
[INFO] [stdout]                                                                                                             span: Span {
[INFO] [stdout]                                                                                                                 str: "2",
[INFO] [stdout]                                                                                                                 start: 7,
[INFO] [stdout]                                                                                                                 end: 8,
[INFO] [stdout]                                                                                                             },
[INFO] [stdout]                                                                                                             inner: [],
[INFO] [stdout]                                                                                                         },
[INFO] [stdout]                                                                                                     ],
[INFO] [stdout]                                                                                                 },
[INFO] [stdout]                                                                                             ],
[INFO] [stdout]                                                                                         },
[INFO] [stdout]                                                                                     ],
[INFO] [stdout]                                                                                 },
[INFO] [stdout]                                                                             ],
[INFO] [stdout]                                                                         },
[INFO] [stdout]                                                                     ],
[INFO] [stdout]                                                                 },
[INFO] [stdout]                                                             ],
[INFO] [stdout]                                                         },
[INFO] [stdout]                                                     ],
[INFO] [stdout]                                                 },
[INFO] [stdout]                                             ],
[INFO] [stdout]                                         },
[INFO] [stdout]                                     ],
[INFO] [stdout]                                 },
[INFO] [stdout]                             ],
[INFO] [stdout]                         },
[INFO] [stdout]                     ],
[INFO] [stdout]                 },
[INFO] [stdout]             ],
[INFO] [stdout]         },
[INFO] [stdout]     ],
[INFO] [stdout] )
[INFO] [stdout] Ok(
[INFO] [stdout]     [
[INFO] [stdout]         Pair {
[INFO] [stdout]             rule: program,
[INFO] [stdout]             span: Span {
[INFO] [stdout]                 str: "a + b",
[INFO] [stdout]                 start: 0,
[INFO] [stdout]                 end: 5,
[INFO] [stdout]             },
[INFO] [stdout]             inner: [
[INFO] [stdout]                 Pair {
[INFO] [stdout]                     rule: statement,
[INFO] [stdout]                     span: Span {
[INFO] [stdout]                         str: "a + b",
[INFO] [stdout]                         start: 0,
[INFO] [stdout]                         end: 5,
[INFO] [stdout]                     },
[INFO] [stdout]                     inner: [
[INFO] [stdout]                         Pair {
[INFO] [stdout]                             rule: expr,
[INFO] [stdout]                             span: Span {
[INFO] [stdout]                                 str: "a + b",
[INFO] [stdout]                                 start: 0,
[INFO] [stdout]                                 end: 5,
[INFO] [stdout]                             },
[INFO] [stdout]                             inner: [
[INFO] [stdout]                                 Pair {
[INFO] [stdout]                                     rule: bin_operator_expr,
[INFO] [stdout]                                     span: Span {
[INFO] [stdout]                                         str: "a + b",
[INFO] [stdout]                                         start: 0,
[INFO] [stdout]                                         end: 5,
[INFO] [stdout]                                     },
[INFO] [stdout]                                     inner: [
[INFO] [stdout]                                         Pair {
[INFO] [stdout]                                             rule: unary_operator_expr,
[INFO] [stdout]                                             span: Span {
[INFO] [stdout]                                                 str: "a",
[INFO] [stdout]                                                 start: 0,
[INFO] [stdout]                                                 end: 1,
[INFO] [stdout]                                             },
[INFO] [stdout]                                             inner: [
[INFO] [stdout]                                                 Pair {
[INFO] [stdout]                                                     rule: nested_expr,
[INFO] [stdout]                                                     span: Span {
[INFO] [stdout]                                                         str: "a",
[INFO] [stdout]                                                         start: 0,
[INFO] [stdout]                                                         end: 1,
[INFO] [stdout]                                                     },
[INFO] [stdout]                                                     inner: [
[INFO] [stdout]                                                         Pair {
[INFO] [stdout]                                                             rule: atom,
[INFO] [stdout]                                                             span: Span {
[INFO] [stdout]                                                                 str: "a",
[INFO] [stdout]                                                                 start: 0,
[INFO] [stdout]                                                                 end: 1,
[INFO] [stdout]                                                             },
[INFO] [stdout]                                                             inner: [],
[INFO] [stdout]                                                         },
[INFO] [stdout]                                                     ],
[INFO] [stdout]                                                 },
[INFO] [stdout]                                             ],
[INFO] [stdout]                                         },
[INFO] [stdout]                                         Pair {
[INFO] [stdout]                                             rule: bin_operator,
[INFO] [stdout]                                             span: Span {
[INFO] [stdout]                                                 str: "+",
[INFO] [stdout]                                                 start: 2,
[INFO] [stdout]                                                 end: 3,
[INFO] [stdout]                                             },
[INFO] [stdout]                                             inner: [],
[INFO] [stdout]                                         },
[INFO] [stdout]                                         Pair {
[INFO] [stdout]                                             rule: bin_operator_expr,
[INFO] [stdout]                                             span: Span {
[INFO] [stdout]                                                 str: "b",
[INFO] [stdout]                                                 start: 4,
[INFO] [stdout]                                                 end: 5,
[INFO] [stdout]                                             },
[INFO] [stdout]                                             inner: [
[INFO] [stdout]                                                 Pair {
[INFO] [stdout]                                                     rule: unary_operator_expr,
[INFO] [stdout]                                                     span: Span {
[INFO] [stdout]                                                         str: "b",
[INFO] [stdout]                                                         start: 4,
[INFO] [stdout]                                                         end: 5,
[INFO] [stdout]                                                     },
[INFO] [stdout]                                                     inner: [
[INFO] [stdout]                                                         Pair {
[INFO] [stdout]                                                             rule: nested_expr,
[INFO] [stdout]                                                             span: Span {
[INFO] [stdout]                                                                 str: "b",
[INFO] [stdout]                                                                 start: 4,
[INFO] [stdout]                                                                 end: 5,
[INFO] [stdout]                                                             },
[INFO] [stdout]                                                             inner: [
[INFO] [stdout]                                                                 Pair {
[INFO] [stdout]                                                                     rule: atom,
[INFO] [stdout]                                                                     span: Span {
[INFO] [stdout]                                                                         str: "b",
[INFO] [stdout]                                                                         start: 4,
[INFO] [stdout]                                                                         end: 5,
[INFO] [stdout]                                                                     },
[INFO] [stdout]                                                                     inner: [],
[INFO] [stdout]                                                                 },
[INFO] [stdout]                                                             ],
[INFO] [stdout]                                                         },
[INFO] [stdout]                                                     ],
[INFO] [stdout]                                                 },
[INFO] [stdout]                                             ],
[INFO] [stdout]                                         },
[INFO] [stdout]                                     ],
[INFO] [stdout]                                 },
[INFO] [stdout]                             ],
[INFO] [stdout]                         },
[INFO] [stdout]                     ],
[INFO] [stdout]                 },
[INFO] [stdout]             ],
[INFO] [stdout]         },
[INFO] [stdout]     ],
[INFO] [stdout] )
[INFO] [stdout] Ok(
[INFO] [stdout]     [
[INFO] [stdout]         Pair {
[INFO] [stdout]             rule: program,
[INFO] [stdout]             span: Span {
[INFO] [stdout]                 str: "\'b",
[INFO] [stdout]                 start: 0,
[INFO] [stdout]                 end: 2,
[INFO] [stdout]             },
[INFO] [stdout]             inner: [
[INFO] [stdout]                 Pair {
[INFO] [stdout]                     rule: statement,
[INFO] [stdout]                     span: Span {
[INFO] [stdout]                         str: "\'b",
[INFO] [stdout]                         start: 0,
[INFO] [stdout]                         end: 2,
[INFO] [stdout]                     },
[INFO] [stdout]                     inner: [
[INFO] [stdout]                         Pair {
[INFO] [stdout]                             rule: expr,
[INFO] [stdout]                             span: Span {
[INFO] [stdout]                                 str: "\'b",
[INFO] [stdout]                                 start: 0,
[INFO] [stdout]                                 end: 2,
[INFO] [stdout]                             },
[INFO] [stdout]                             inner: [
[INFO] [stdout]                                 Pair {
[INFO] [stdout]                                     rule: bin_operator_expr,
[INFO] [stdout]                                     span: Span {
[INFO] [stdout]                                         str: "\'b",
[INFO] [stdout]                                         start: 0,
[INFO] [stdout]                                         end: 2,
[INFO] [stdout]                                     },
[INFO] [stdout]                                     inner: [
[INFO] [stdout]                                         Pair {
[INFO] [stdout]                                             rule: unary_operator_expr,
[INFO] [stdout]                                             span: Span {
[INFO] [stdout]                                                 str: "\'b",
[INFO] [stdout]                                                 start: 0,
[INFO] [stdout]                                                 end: 2,
[INFO] [stdout]                                             },
[INFO] [stdout]                                             inner: [
[INFO] [stdout]                                                 Pair {
[INFO] [stdout]                                                     rule: unary_operator,
[INFO] [stdout]                                                     span: Span {
[INFO] [stdout]                                                         str: "\'",
[INFO] [stdout]                                                         start: 0,
[INFO] [stdout]                                                         end: 1,
[INFO] [stdout]                                                     },
[INFO] [stdout]                                                     inner: [],
[INFO] [stdout]                                                 },
[INFO] [stdout]                                                 Pair {
[INFO] [stdout]                                                     rule: nested_expr,
[INFO] [stdout]                                                     span: Span {
[INFO] [stdout]                                                         str: "b",
[INFO] [stdout]                                                         start: 1,
[INFO] [stdout]                                                         end: 2,
[INFO] [stdout]                                                     },
[INFO] [stdout]                                                     inner: [
[INFO] [stdout]                                                         Pair {
[INFO] [stdout]                                                             rule: atom,
[INFO] [stdout]                                                             span: Span {
[INFO] [stdout]                                                                 str: "b",
[INFO] [stdout]                                                                 start: 1,
[INFO] [stdout]                                                                 end: 2,
[INFO] [stdout]                                                             },
[INFO] [stdout]                                                             inner: [],
[INFO] [stdout]                                                         },
[INFO] [stdout]                                                     ],
[INFO] [stdout]                                                 },
[INFO] [stdout]                                             ],
[INFO] [stdout]                                         },
[INFO] [stdout]                                     ],
[INFO] [stdout]                                 },
[INFO] [stdout]                             ],
[INFO] [stdout]                         },
[INFO] [stdout]                     ],
[INFO] [stdout]                 },
[INFO] [stdout]             ],
[INFO] [stdout]         },
[INFO] [stdout]     ],
[INFO] [stdout] )
[INFO] [stdout] Ok(
[INFO] [stdout]     [
[INFO] [stdout]         Pair {
[INFO] [stdout]             rule: program,
[INFO] [stdout]             span: Span {
[INFO] [stdout]                 str: "(a, b) -> a",
[INFO] [stdout]                 start: 0,
[INFO] [stdout]                 end: 11,
[INFO] [stdout]             },
[INFO] [stdout]             inner: [
[INFO] [stdout]                 Pair {
[INFO] [stdout]                     rule: statement,
[INFO] [stdout]                     span: Span {
[INFO] [stdout]                         str: "(a, b) -> a",
[INFO] [stdout]                         start: 0,
[INFO] [stdout]                         end: 11,
[INFO] [stdout]                     },
[INFO] [stdout]                     inner: [
[INFO] [stdout]                         Pair {
[INFO] [stdout]                             rule: expr,
[INFO] [stdout]                             span: Span {
[INFO] [stdout]                                 str: "(a, b) -> a",
[INFO] [stdout]                                 start: 0,
[INFO] [stdout]                                 end: 11,
[INFO] [stdout]                             },
[INFO] [stdout]                             inner: [
[INFO] [stdout]                                 Pair {
[INFO] [stdout]                                     rule: lambda,
[INFO] [stdout]                                     span: Span {
[INFO] [stdout]                                         str: "(a, b) -> a",
[INFO] [stdout]                                         start: 0,
[INFO] [stdout]                                         end: 11,
[INFO] [stdout]                                     },
[INFO] [stdout]                                     inner: [
[INFO] [stdout]                                         Pair {
[INFO] [stdout]                                             rule: args_list,
[INFO] [stdout]                                             span: Span {
[INFO] [stdout]                                                 str: "(a, b)",
[INFO] [stdout]                                                 start: 0,
[INFO] [stdout]                                                 end: 6,
[INFO] [stdout]                                             },
[INFO] [stdout]                                             inner: [
[INFO] [stdout]                                                 Pair {
[INFO] [stdout]                                                     rule: exprlist,
[INFO] [stdout]                                                     span: Span {
[INFO] [stdout]                                                         str: "a, b",
[INFO] [stdout]                                                         start: 1,
[INFO] [stdout]                                                         end: 5,
[INFO] [stdout]                                                     },
[INFO] [stdout]                                                     inner: [
[INFO] [stdout]                                                         Pair {
[INFO] [stdout]                                                             rule: expr,
[INFO] [stdout]                                                             span: Span {
[INFO] [stdout]                                                                 str: "a",
[INFO] [stdout]                                                                 start: 1,
[INFO] [stdout]                                                                 end: 2,
[INFO] [stdout]                                                             },
[INFO] [stdout]                                                             inner: [
[INFO] [stdout]                                                                 Pair {
[INFO] [stdout]                                                                     rule: bin_operator_expr,
[INFO] [stdout]                                                                     span: Span {
[INFO] [stdout]                                                                         str: "a",
[INFO] [stdout]                                                                         start: 1,
[INFO] [stdout]                                                                         end: 2,
[INFO] [stdout]                                                                     },
[INFO] [stdout]                                                                     inner: [
[INFO] [stdout]                                                                         Pair {
[INFO] [stdout]                                                                             rule: unary_operator_expr,
[INFO] [stdout]                                                                             span: Span {
[INFO] [stdout]                                                                                 str: "a",
[INFO] [stdout]                                                                                 start: 1,
[INFO] [stdout]                                                                                 end: 2,
[INFO] [stdout]                                                                             },
[INFO] [stdout]                                                                             inner: [
[INFO] [stdout]                                                                                 Pair {
[INFO] [stdout]                                                                                     rule: nested_expr,
[INFO] [stdout]                                                                                     span: Span {
[INFO] [stdout]                                                                                         str: "a",
[INFO] [stdout]                                                                                         start: 1,
[INFO] [stdout]                                                                                         end: 2,
[INFO] [stdout]                                                                                     },
[INFO] [stdout]                                                                                     inner: [
[INFO] [stdout]                                                                                         Pair {
[INFO] [stdout]                                                                                             rule: atom,
[INFO] [stdout]                                                                                             span: Span {
[INFO] [stdout]                                                                                                 str: "a",
[INFO] [stdout]                                                                                                 start: 1,
[INFO] [stdout]                                                                                                 end: 2,
[INFO] [stdout]                                                                                             },
[INFO] [stdout]                                                                                             inner: [],
[INFO] [stdout]                                                                                         },
[INFO] [stdout]                                                                                     ],
[INFO] [stdout]                                                                                 },
[INFO] [stdout]                                                                             ],
[INFO] [stdout]                                                                         },
[INFO] [stdout]                                                                     ],
[INFO] [stdout]                                                                 },
[INFO] [stdout]                                                             ],
[INFO] [stdout]                                                         },
[INFO] [stdout]                                                         Pair {
[INFO] [stdout]                                                             rule: expr,
[INFO] [stdout]                                                             span: Span {
[INFO] [stdout]                                                                 str: "b",
[INFO] [stdout]                                                                 start: 4,
[INFO] [stdout]                                                                 end: 5,
[INFO] [stdout]                                                             },
[INFO] [stdout]                                                             inner: [
[INFO] [stdout]                                                                 Pair {
[INFO] [stdout]                                                                     rule: bin_operator_expr,
[INFO] [stdout]                                                                     span: Span {
[INFO] [stdout]                                                                         str: "b",
[INFO] [stdout]                                                                         start: 4,
[INFO] [stdout]                                                                         end: 5,
[INFO] [stdout]                                                                     },
[INFO] [stdout]                                                                     inner: [
[INFO] [stdout]                                                                         Pair {
[INFO] [stdout]                                                                             rule: unary_operator_expr,
[INFO] [stdout]                                                                             span: Span {
[INFO] [stdout]                                                                                 str: "b",
[INFO] [stdout]                                                                                 start: 4,
[INFO] [stdout]                                                                                 end: 5,
[INFO] [stdout]                                                                             },
[INFO] [stdout]                                                                             inner: [
[INFO] [stdout]                                                                                 Pair {
[INFO] [stdout]                                                                                     rule: nested_expr,
[INFO] [stdout]                                                                                     span: Span {
[INFO] [stdout]                                                                                         str: "b",
[INFO] [stdout]                                                                                         start: 4,
[INFO] [stdout]                                                                                         end: 5,
[INFO] [stdout]                                                                                     },
[INFO] [stdout]                                                                                     inner: [
[INFO] [stdout]                                                                                         Pair {
[INFO] [stdout]                                                                                             rule: atom,
[INFO] [stdout]                                                                                             span: Span {
[INFO] [stdout]                                                                                                 str: "b",
[INFO] [stdout]                                                                                                 start: 4,
[INFO] [stdout]                                                                                                 end: 5,
[INFO] [stdout]                                                                                             },
[INFO] [stdout]                                                                                             inner: [],
[INFO] [stdout]                                                                                         },
[INFO] [stdout]                                                                                     ],
[INFO] [stdout]                                                                                 },
[INFO] [stdout]                                                                             ],
[INFO] [stdout]                                                                         },
[INFO] [stdout]                                                                     ],
[INFO] [stdout]                                                                 },
[INFO] [stdout]                                                             ],
[INFO] [stdout]                                                         },
[INFO] [stdout]                                                     ],
[INFO] [stdout]                                                 },
[INFO] [stdout]                                             ],
[INFO] [stdout]                                         },
[INFO] [stdout]                                         Pair {
[INFO] [stdout]                                             rule: expr,
[INFO] [stdout]                                             span: Span {
[INFO] [stdout]                                                 str: "a",
[INFO] [stdout]                                                 start: 10,
[INFO] [stdout]                                                 end: 11,
[INFO] [stdout]                                             },
[INFO] [stdout]                                             inner: [
[INFO] [stdout]                                                 Pair {
[INFO] [stdout]                                                     rule: bin_operator_expr,
[INFO] [stdout]                                                     span: Span {
[INFO] [stdout]                                                         str: "a",
[INFO] [stdout]                                                         start: 10,
[INFO] [stdout]                                                         end: 11,
[INFO] [stdout]                                                     },
[INFO] [stdout]                                                     inner: [
[INFO] [stdout]                                                         Pair {
[INFO] [stdout]                                                             rule: unary_operator_expr,
[INFO] [stdout]                                                             span: Span {
[INFO] [stdout]                                                                 str: "a",
[INFO] [stdout]                                                                 start: 10,
[INFO] [stdout]                                                                 end: 11,
[INFO] [stdout]                                                             },
[INFO] [stdout]                                                             inner: [
[INFO] [stdout]                                                                 Pair {
[INFO] [stdout]                                                                     rule: nested_expr,
[INFO] [stdout]                                                                     span: Span {
[INFO] [stdout]                                                                         str: "a",
[INFO] [stdout]                                                                         start: 10,
[INFO] [stdout]                                                                         end: 11,
[INFO] [stdout]                                                                     },
[INFO] [stdout]                                                                     inner: [
[INFO] [stdout]                                                                         Pair {
[INFO] [stdout]                                                                             rule: atom,
[INFO] [stdout]                                                                             span: Span {
[INFO] [stdout]                                                                                 str: "a",
[INFO] [stdout]                                                                                 start: 10,
[INFO] [stdout]                                                                                 end: 11,
[INFO] [stdout]                                                                             },
[INFO] [stdout]                                                                             inner: [],
[INFO] [stdout]                                                                         },
[INFO] [stdout]                                                                     ],
[INFO] [stdout]                                                                 },
[INFO] [stdout]                                                             ],
[INFO] [stdout]                                                         },
[INFO] [stdout]                                                     ],
[INFO] [stdout]                                                 },
[INFO] [stdout]                                             ],
[INFO] [stdout]                                         },
[INFO] [stdout]                                     ],
[INFO] [stdout]                                 },
[INFO] [stdout]                             ],
[INFO] [stdout]                         },
[INFO] [stdout]                     ],
[INFO] [stdout]                 },
[INFO] [stdout]             ],
[INFO] [stdout]         },
[INFO] [stdout]     ],
[INFO] [stdout] )
[INFO] [stdout] Ok(
[INFO] [stdout]     [
[INFO] [stdout]         Pair {
[INFO] [stdout]             rule: program,
[INFO] [stdout]             span: Span {
[INFO] [stdout]                 str: "a,b,c",
[INFO] [stdout]                 start: 0,
[INFO] [stdout]                 end: 5,
[INFO] [stdout]             },
[INFO] [stdout]             inner: [
[INFO] [stdout]                 Pair {
[INFO] [stdout]                     rule: statement,
[INFO] [stdout]                     span: Span {
[INFO] [stdout]                         str: "a",
[INFO] [stdout]                         start: 0,
[INFO] [stdout]                         end: 1,
[INFO] [stdout]                     },
[INFO] [stdout]                     inner: [
[INFO] [stdout]                         Pair {
[INFO] [stdout]                             rule: expr,
[INFO] [stdout]                             span: Span {
[INFO] [stdout]                                 str: "a",
[INFO] [stdout]                                 start: 0,
[INFO] [stdout]                                 end: 1,
[INFO] [stdout]                             },
[INFO] [stdout]                             inner: [
[INFO] [stdout]                                 Pair {
[INFO] [stdout]                                     rule: bin_operator_expr,
[INFO] [stdout]                                     span: Span {
[INFO] [stdout]                                         str: "a",
[INFO] [stdout]                                         start: 0,
[INFO] [stdout]                                         end: 1,
[INFO] [stdout]                                     },
[INFO] [stdout]                                     inner: [
[INFO] [stdout]                                         Pair {
[INFO] [stdout]                                             rule: unary_operator_expr,
[INFO] [stdout]                                             span: Span {
[INFO] [stdout]                                                 str: "a",
[INFO] [stdout]                                                 start: 0,
[INFO] [stdout]                                                 end: 1,
[INFO] [stdout]                                             },
[INFO] [stdout]                                             inner: [
[INFO] [stdout]                                                 Pair {
[INFO] [stdout]                                                     rule: nested_expr,
[INFO] [stdout]                                                     span: Span {
[INFO] [stdout]                                                         str: "a",
[INFO] [stdout]                                                         start: 0,
[INFO] [stdout]                                                         end: 1,
[INFO] [stdout]                                                     },
[INFO] [stdout]                                                     inner: [
[INFO] [stdout]                                                         Pair {
[INFO] [stdout]                                                             rule: atom,
[INFO] [stdout]                                                             span: Span {
[INFO] [stdout]                                                                 str: "a",
[INFO] [stdout]                                                                 start: 0,
[INFO] [stdout]                                                                 end: 1,
[INFO] [stdout]                                                             },
[INFO] [stdout]                                                             inner: [],
[INFO] [stdout]                                                         },
[INFO] [stdout]                                                     ],
[INFO] [stdout]                                                 },
[INFO] [stdout]                                             ],
[INFO] [stdout]                                         },
[INFO] [stdout]                                     ],
[INFO] [stdout]                                 },
[INFO] [stdout]                             ],
[INFO] [stdout]                         },
[INFO] [stdout]                     ],
[INFO] [stdout]                 },
[INFO] [stdout]                 Pair {
[INFO] [stdout]                     rule: statement,
[INFO] [stdout]                     span: Span {
[INFO] [stdout]                         str: "b",
[INFO] [stdout]                         start: 2,
[INFO] [stdout]                         end: 3,
[INFO] [stdout]                     },
[INFO] [stdout]                     inner: [
[INFO] [stdout]                         Pair {
[INFO] [stdout]                             rule: expr,
[INFO] [stdout]                             span: Span {
[INFO] [stdout]                                 str: "b",
[INFO] [stdout]                                 start: 2,
[INFO] [stdout]                                 end: 3,
[INFO] [stdout]                             },
[INFO] [stdout]                             inner: [
[INFO] [stdout]                                 Pair {
[INFO] [stdout]                                     rule: bin_operator_expr,
[INFO] [stdout]                                     span: Span {
[INFO] [stdout]                                         str: "b",
[INFO] [stdout]                                         start: 2,
[INFO] [stdout]                                         end: 3,
[INFO] [stdout]                                     },
[INFO] [stdout]                                     inner: [
[INFO] [stdout]                                         Pair {
[INFO] [stdout]                                             rule: unary_operator_expr,
[INFO] [stdout]                                             span: Span {
[INFO] [stdout]                                                 str: "b",
[INFO] [stdout]                                                 start: 2,
[INFO] [stdout]                                                 end: 3,
[INFO] [stdout]                                             },
[INFO] [stdout]                                             inner: [
[INFO] [stdout]                                                 Pair {
[INFO] [stdout]                                                     rule: nested_expr,
[INFO] [stdout]                                                     span: Span {
[INFO] [stdout]                                                         str: "b",
[INFO] [stdout]                                                         start: 2,
[INFO] [stdout]                                                         end: 3,
[INFO] [stdout]                                                     },
[INFO] [stdout]                                                     inner: [
[INFO] [stdout]                                                         Pair {
[INFO] [stdout]                                                             rule: atom,
[INFO] [stdout]                                                             span: Span {
[INFO] [stdout]                                                                 str: "b",
[INFO] [stdout]                                                                 start: 2,
[INFO] [stdout]                                                                 end: 3,
[INFO] [stdout]                                                             },
[INFO] [stdout]                                                             inner: [],
[INFO] [stdout]                                                         },
[INFO] [stdout]                                                     ],
[INFO] [stdout]                                                 },
[INFO] [stdout]                                             ],
[INFO] [stdout]                                         },
[INFO] [stdout]                                     ],
[INFO] [stdout]                                 },
[INFO] [stdout]                             ],
[INFO] [stdout]                         },
[INFO] [stdout]                     ],
[INFO] [stdout]                 },
[INFO] [stdout]                 Pair {
[INFO] [stdout]                     rule: statement,
[INFO] [stdout]                     span: Span {
[INFO] [stdout]                         str: "c",
[INFO] [stdout]                         start: 4,
[INFO] [stdout]                         end: 5,
[INFO] [stdout]                     },
[INFO] [stdout]                     inner: [
[INFO] [stdout]                         Pair {
[INFO] [stdout]                             rule: expr,
[INFO] [stdout]                             span: Span {
[INFO] [stdout]                                 str: "c",
[INFO] [stdout]                                 start: 4,
[INFO] [stdout]                                 end: 5,
[INFO] [stdout]                             },
[INFO] [stdout]                             inner: [
[INFO] [stdout]                                 Pair {
[INFO] [stdout]                                     rule: bin_operator_expr,
[INFO] [stdout]                                     span: Span {
[INFO] [stdout]                                         str: "c",
[INFO] [stdout]                                         start: 4,
[INFO] [stdout]                                         end: 5,
[INFO] [stdout]                                     },
[INFO] [stdout]                                     inner: [
[INFO] [stdout]                                         Pair {
[INFO] [stdout]                                             rule: unary_operator_expr,
[INFO] [stdout]                                             span: Span {
[INFO] [stdout]                                                 str: "c",
[INFO] [stdout]                                                 start: 4,
[INFO] [stdout]                                                 end: 5,
[INFO] [stdout]                                             },
[INFO] [stdout]                                             inner: [
[INFO] [stdout]                                                 Pair {
[INFO] [stdout]                                                     rule: nested_expr,
[INFO] [stdout]                                                     span: Span {
[INFO] [stdout]                                                         str: "c",
[INFO] [stdout]                                                         start: 4,
[INFO] [stdout]                                                         end: 5,
[INFO] [stdout]                                                     },
[INFO] [stdout]                                                     inner: [
[INFO] [stdout]                                                         Pair {
[INFO] [stdout]                                                             rule: atom,
[INFO] [stdout]                                                             span: Span {
[INFO] [stdout]                                                                 str: "c",
[INFO] [stdout]                                                                 start: 4,
[INFO] [stdout]                                                                 end: 5,
[INFO] [stdout]                                                             },
[INFO] [stdout]                                                             inner: [],
[INFO] [stdout]                                                         },
[INFO] [stdout]                                                     ],
[INFO] [stdout]                                                 },
[INFO] [stdout]                                             ],
[INFO] [stdout]                                         },
[INFO] [stdout]                                     ],
[INFO] [stdout]                                 },
[INFO] [stdout]                             ],
[INFO] [stdout]                         },
[INFO] [stdout]                     ],
[INFO] [stdout]                 },
[INFO] [stdout]             ],
[INFO] [stdout]         },
[INFO] [stdout]     ],
[INFO] [stdout] )
[INFO] [stdout] Ok(
[INFO] [stdout]     [
[INFO] [stdout]         Pair {
[INFO] [stdout]             rule: program,
[INFO] [stdout]             span: Span {
[INFO] [stdout]                 str: "a = 2",
[INFO] [stdout]                 start: 0,
[INFO] [stdout]                 end: 5,
[INFO] [stdout]             },
[INFO] [stdout]             inner: [
[INFO] [stdout]                 Pair {
[INFO] [stdout]                     rule: statement,
[INFO] [stdout]                     span: Span {
[INFO] [stdout]                         str: "a = 2",
[INFO] [stdout]                         start: 0,
[INFO] [stdout]                         end: 5,
[INFO] [stdout]                     },
[INFO] [stdout]                     inner: [
[INFO] [stdout]                         Pair {
[INFO] [stdout]                             rule: assignment,
[INFO] [stdout]                             span: Span {
[INFO] [stdout]                                 str: "a = 2",
[INFO] [stdout]                                 start: 0,
[INFO] [stdout]                                 end: 5,
[INFO] [stdout]                             },
[INFO] [stdout]                             inner: [
[INFO] [stdout]                                 Pair {
[INFO] [stdout]                                     rule: var_assign,
[INFO] [stdout]                                     span: Span {
[INFO] [stdout]                                         str: "a = 2",
[INFO] [stdout]                                         start: 0,
[INFO] [stdout]                                         end: 5,
[INFO] [stdout]                                     },
[INFO] [stdout]                                     inner: [
[INFO] [stdout]                                         Pair {
[INFO] [stdout]                                             rule: varname,
[INFO] [stdout]                                             span: Span {
[INFO] [stdout]                                                 str: "a",
[INFO] [stdout]                                                 start: 0,
[INFO] [stdout]                                                 end: 1,
[INFO] [stdout]                                             },
[INFO] [stdout]                                             inner: [],
[INFO] [stdout]                                         },
[INFO] [stdout]                                         Pair {
[INFO] [stdout]                                             rule: expr,
[INFO] [stdout]                                             span: Span {
[INFO] [stdout]                                                 str: "2",
[INFO] [stdout]                                                 start: 4,
[INFO] [stdout]                                                 end: 5,
[INFO] [stdout]                                             },
[INFO] [stdout]                                             inner: [
[INFO] [stdout]                                                 Pair {
[INFO] [stdout]                                                     rule: bin_operator_expr,
[INFO] [stdout]                                                     span: Span {
[INFO] [stdout]                                                         str: "2",
[INFO] [stdout]                                                         start: 4,
[INFO] [stdout]                                                         end: 5,
[INFO] [stdout]                                                     },
[INFO] [stdout]                                                     inner: [
[INFO] [stdout]                                                         Pair {
[INFO] [stdout]                                                             rule: unary_operator_expr,
[INFO] [stdout]                                                             span: Span {
[INFO] [stdout]                                                                 str: "2",
[INFO] [stdout]                                                                 start: 4,
[INFO] [stdout]                                                                 end: 5,
[INFO] [stdout]                                                             },
[INFO] [stdout]                                                             inner: [
[INFO] [stdout]                                                                 Pair {
[INFO] [stdout]                                                                     rule: nested_expr,
[INFO] [stdout]                                                                     span: Span {
[INFO] [stdout]                                                                         str: "2",
[INFO] [stdout]                                                                         start: 4,
[INFO] [stdout]                                                                         end: 5,
[INFO] [stdout]                                                                     },
[INFO] [stdout]                                                                     inner: [
[INFO] [stdout]                                                                         Pair {
[INFO] [stdout]                                                                             rule: atom,
[INFO] [stdout]                                                                             span: Span {
[INFO] [stdout]                                                                                 str: "2",
[INFO] [stdout]                                                                                 start: 4,
[INFO] [stdout]                                                                                 end: 5,
[INFO] [stdout]                                                                             },
[INFO] [stdout]                                                                             inner: [
[INFO] [stdout]                                                                                 Pair {
[INFO] [stdout]                                                                                     rule: number,
[INFO] [stdout]                                                                                     span: Span {
[INFO] [stdout]                                                                                         str: "2",
[INFO] [stdout]                                                                                         start: 4,
[INFO] [stdout]                                                                                         end: 5,
[INFO] [stdout]                                                                                     },
[INFO] [stdout]                                                                                     inner: [
[INFO] [stdout]                                                                                         Pair {
[INFO] [stdout]                                                                                             rule: integer,
[INFO] [stdout]                                                                                             span: Span {
[INFO] [stdout]                                                                                                 str: "2",
[INFO] [stdout]                                                                                                 start: 4,
[INFO] [stdout]                                                                                                 end: 5,
[INFO] [stdout]                                                                                             },
[INFO] [stdout]                                                                                             inner: [],
[INFO] [stdout]                                                                                         },
[INFO] [stdout]                                                                                     ],
[INFO] [stdout]                                                                                 },
[INFO] [stdout]                                                                             ],
[INFO] [stdout]                                                                         },
[INFO] [stdout]                                                                     ],
[INFO] [stdout]                                                                 },
[INFO] [stdout]                                                             ],
[INFO] [stdout]                                                         },
[INFO] [stdout]                                                     ],
[INFO] [stdout]                                                 },
[INFO] [stdout]                                             ],
[INFO] [stdout]                                         },
[INFO] [stdout]                                     ],
[INFO] [stdout]                                 },
[INFO] [stdout]                             ],
[INFO] [stdout]                         },
[INFO] [stdout]                     ],
[INFO] [stdout]                 },
[INFO] [stdout]             ],
[INFO] [stdout]         },
[INFO] [stdout]     ],
[INFO] [stdout] )
[INFO] [stdout] thread 'interpreter::parser::test::test' panicked at 'assertion failed: false', src/interpreter/parser.rs:62:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x558661ca0e90 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x558661ca0e90 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x558661ca0e90 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x558661ca0e90 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x558661cc312c - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stdout]    5:     0x558661c40646 - std::io::Write::write_fmt::h68b2e5fe4c78e61a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stdout]    6:     0x558661c9b6ad - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::he9ebec865e28165c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/impls.rs:179
[INFO] [stdout]    7:     0x558661ca33ad - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    8:     0x558661ca33ad - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    9:     0x558661ca33ad - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stdout]   10:     0x558661ca3002 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:224
[INFO] [stdout]   11:     0x558661ca3a91 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stdout]   12:     0x558661c7b7bc - std::panicking::begin_panic::{{closure}}::hd93efee96f2375be
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:506
[INFO] [stdout]   13:     0x558661c7b569 - std::sys_common::backtrace::__rust_end_short_backtrace::h81e3b62b89666d70
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   14:     0x558661c7b6e7 - std::panicking::begin_panic::h0d9e645e552c4587
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:505
[INFO] [stdout]   15:     0x558661c28d86 - fraction_interpreter::interpreter::parser::test::test::hcd83137dabc92982
[INFO] [stdout]                                at /opt/rustwide/workdir/src/interpreter/parser.rs:62
[INFO] [stdout]   16:     0x558661c2880a - fraction_interpreter::interpreter::parser::test::test::{{closure}}::h663c3a966bae4ddf
[INFO] [stdout]                                at /opt/rustwide/workdir/src/interpreter/parser.rs:49
[INFO] [stdout]   17:     0x558661c2c1ee - core::ops::function::FnOnce::call_once::h32fa6b103078906d
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   18:     0x558661c67433 - core::ops::function::FnOnce::call_once::hcd3fa2f0696c1015
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   19:     0x558661c67433 - test::__rust_begin_short_backtrace::h113f97c5e5ab7d4a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:516
[INFO] [stdout]   20:     0x558661c65938 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h01fd09163cae2442
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   21:     0x558661c65938 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0da6b685ae74a04a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   22:     0x558661c65938 - std::panicking::try::do_call::h564a32f132f2c264
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   23:     0x558661c65938 - std::panicking::try::h477cfd4b06a2e64a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   24:     0x558661c65938 - std::panic::catch_unwind::hdb5abc6d008c399d
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   25:     0x558661c65938 - test::run_test_in_process::he8ff7dec91b275be
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:543
[INFO] [stdout]   26:     0x558661c65938 - test::run_test::run_test_inner::{{closure}}::hfd9f49e4a4ff9162
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:449
[INFO] [stdout]   27:     0x558661c3f9c6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hee6d60d5bb466aff
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stdout]   28:     0x558661c44b35 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h988cecdf9ebbaf00
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464
[INFO] [stdout]   29:     0x558661c44b35 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330cf727ec126982
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   30:     0x558661c44b35 - std::panicking::try::do_call::h6cd25078f4a5ea13
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   31:     0x558661c44b35 - std::panicking::try::h84b1d49961301705
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   32:     0x558661c44b35 - std::panic::catch_unwind::h6145324593b3654b
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   33:     0x558661c44b35 - std::thread::Builder::spawn_unchecked::{{closure}}::ha41e72e8024f9192
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463
[INFO] [stdout]   34:     0x558661c44b35 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hfb5034cf1f1be223
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   35:     0x558661ca9aba - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   36:     0x558661ca9aba - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   37:     0x558661ca9aba - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stdout]   38:     0x7fcfaea56609 - start_thread
[INFO] [stdout]   39:     0x7fcfaece1103 - clone
[INFO] [stdout]   40:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     interpreter::parser::test::test
[INFO] [stdout]     interpreter::test::name
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--bin fraction-interpreter'
[INFO] running `Command { std: "docker" "inspect" "1102e465947e3e938b553bd4eca0e6317a65d47094655a116fcfe22bafda5285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1102e465947e3e938b553bd4eca0e6317a65d47094655a116fcfe22bafda5285", kill_on_drop: false }`
[INFO] [stdout] 1102e465947e3e938b553bd4eca0e6317a65d47094655a116fcfe22bafda5285
