[INFO] cloning repository https://github.com/CordlessCoder/eclang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CordlessCoder/eclang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCordlessCoder%2Feclang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCordlessCoder%2Feclang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd4880f0a8ed85847a0bf86801b8919ae0db95d1
[INFO] testing CordlessCoder/eclang against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCordlessCoder%2Feclang" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/CordlessCoder/eclang
[INFO] finished tweaking git repo https://github.com/CordlessCoder/eclang
[INFO] tweaked toml for git repo https://github.com/CordlessCoder/eclang written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CordlessCoder/eclang on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/CordlessCoder/eclang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7126f66d8fbefafe6b68e500288804dfee7f509d063c59736b30eed04fa9a903
[INFO] running `Command { std: "docker" "start" "-a" "7126f66d8fbefafe6b68e500288804dfee7f509d063c59736b30eed04fa9a903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7126f66d8fbefafe6b68e500288804dfee7f509d063c59736b30eed04fa9a903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7126f66d8fbefafe6b68e500288804dfee7f509d063c59736b30eed04fa9a903", kill_on_drop: false }`
[INFO] [stdout] 7126f66d8fbefafe6b68e500288804dfee7f509d063c59736b30eed04fa9a903
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9597dfccddf19b35d579bc685a4241869b15d71984aabbe0a8c5ab1899c54ad5
[INFO] running `Command { std: "docker" "start" "-a" "9597dfccddf19b35d579bc685a4241869b15d71984aabbe0a8c5ab1899c54ad5", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling owo-colors v4.2.2
[INFO] [stderr]    Compiling source v0.1.0 (/opt/rustwide/workdir/source)
[INFO] [stderr]    Compiling ast v0.1.0 (/opt/rustwide/workdir/ast)
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling logos-codegen v0.15.1
[INFO] [stderr]    Compiling diagnostics v0.1.0 (/opt/rustwide/workdir/diagnostics)
[INFO] [stderr]    Compiling logos-derive v0.15.1
[INFO] [stderr]    Compiling logos v0.15.1
[INFO] [stderr]    Compiling lexer v0.1.0 (/opt/rustwide/workdir/lexer)
[INFO] [stderr]    Compiling parser v0.1.0 (/opt/rustwide/workdir/parser)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> parser/src/lib.rs:28:40
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 let Some((Token::Ident(name), span)) = self.advance_split() else {
[INFO] [stdout]    |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> parser/src/lib.rs:28:47
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 let Some((Token::Ident(name), span)) = self.advance_split() else {
[INFO] [stdout]    |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> parser/src/lib.rs:34:25
[INFO] [stdout]    |
[INFO] [stdout] 34 |                     let expr = self.parse_expr()?;
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `put_back` and `advance_if_split` are never used
[INFO] [stdout]   --> parser/src/basic_ops.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl<'s, Tokens: Iterator<Item = Result<SpannedToken<'s>, ErrorComponent>>> Parser<'s, Tokens> {
[INFO] [stdout]    | ---------------------------------------------------------------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub(crate) fn put_back(&mut self, tok: SpannedToken<'s>) {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |     pub(crate) fn advance_if_split(
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cli v0.1.0 (/opt/rustwide/workdir/cli)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.31s
[INFO] running `Command { std: "docker" "inspect" "9597dfccddf19b35d579bc685a4241869b15d71984aabbe0a8c5ab1899c54ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9597dfccddf19b35d579bc685a4241869b15d71984aabbe0a8c5ab1899c54ad5", kill_on_drop: false }`
[INFO] [stdout] 9597dfccddf19b35d579bc685a4241869b15d71984aabbe0a8c5ab1899c54ad5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f7e87eb104b94833a2e99347aba817b1ef067dc2b90ea67d1cd0ffc4ce63964
[INFO] running `Command { std: "docker" "start" "-a" "5f7e87eb104b94833a2e99347aba817b1ef067dc2b90ea67d1cd0ffc4ce63964", kill_on_drop: false }`
[INFO] [stderr]    Compiling ast v0.1.0 (/opt/rustwide/workdir/ast)
[INFO] [stderr]    Compiling source v0.1.0 (/opt/rustwide/workdir/source)
[INFO] [stderr]    Compiling diagnostics v0.1.0 (/opt/rustwide/workdir/diagnostics)
[INFO] [stderr]    Compiling lexer v0.1.0 (/opt/rustwide/workdir/lexer)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> parser/src/lib.rs:28:40
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 let Some((Token::Ident(name), span)) = self.advance_split() else {
[INFO] [stdout]    |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> parser/src/lib.rs:28:47
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 let Some((Token::Ident(name), span)) = self.advance_split() else {
[INFO] [stdout]    |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> parser/src/lib.rs:34:25
[INFO] [stdout]    |
[INFO] [stdout] 34 |                     let expr = self.parse_expr()?;
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `put_back` and `advance_if_split` are never used
[INFO] [stdout]   --> parser/src/basic_ops.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl<'s, Tokens: Iterator<Item = Result<SpannedToken<'s>, ErrorComponent>>> Parser<'s, Tokens> {
[INFO] [stdout]    | ---------------------------------------------------------------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub(crate) fn put_back(&mut self, tok: SpannedToken<'s>) {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |     pub(crate) fn advance_if_split(
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling parser v0.1.0 (/opt/rustwide/workdir/parser)
[INFO] [stderr]    Compiling cli v0.1.0 (/opt/rustwide/workdir/cli)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> parser/src/lib.rs:28:40
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 let Some((Token::Ident(name), span)) = self.advance_split() else {
[INFO] [stdout]    |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> parser/src/lib.rs:28:47
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 let Some((Token::Ident(name), span)) = self.advance_split() else {
[INFO] [stdout]    |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> parser/src/lib.rs:34:25
[INFO] [stdout]    |
[INFO] [stdout] 34 |                     let expr = self.parse_expr()?;
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `put_back` and `advance_if_split` are never used
[INFO] [stdout]   --> parser/src/basic_ops.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl<'s, Tokens: Iterator<Item = Result<SpannedToken<'s>, ErrorComponent>>> Parser<'s, Tokens> {
[INFO] [stdout]    | ---------------------------------------------------------------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub(crate) fn put_back(&mut self, tok: SpannedToken<'s>) {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |     pub(crate) fn advance_if_split(
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `Command { std: "docker" "inspect" "5f7e87eb104b94833a2e99347aba817b1ef067dc2b90ea67d1cd0ffc4ce63964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f7e87eb104b94833a2e99347aba817b1ef067dc2b90ea67d1cd0ffc4ce63964", kill_on_drop: false }`
[INFO] [stdout] 5f7e87eb104b94833a2e99347aba817b1ef067dc2b90ea67d1cd0ffc4ce63964
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 062ed01a9e1c28beaaa8eb4b49bd09e6d2b82f0fe5cc223dd6896463b1e94056
[INFO] running `Command { std: "docker" "start" "-a" "062ed01a9e1c28beaaa8eb4b49bd09e6d2b82f0fe5cc223dd6896463b1e94056", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> parser/src/lib.rs:28:40
[INFO] [stderr]    |
[INFO] [stderr] 28 |                 let Some((Token::Ident(name), span)) = self.advance_split() else {
[INFO] [stderr]    |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]   --> parser/src/lib.rs:28:47
[INFO] [stderr]    |
[INFO] [stderr] 28 |                 let Some((Token::Ident(name), span)) = self.advance_split() else {
[INFO] [stderr]    |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]   --> parser/src/lib.rs:34:25
[INFO] [stderr]    |
[INFO] [stderr] 34 |                     let expr = self.parse_expr()?;
[INFO] [stderr]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stderr] 
[INFO] [stderr] warning: methods `put_back` and `advance_if_split` are never used
[INFO] [stderr]   --> parser/src/basic_ops.rs:54:19
[INFO] [stderr]    |
[INFO] [stderr]  8 | impl<'s, Tokens: Iterator<Item = Result<SpannedToken<'s>, ErrorComponent>>> Parser<'s, Tokens> {
[INFO] [stderr]    | ---------------------------------------------------------------------------------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 54 |     pub(crate) fn put_back(&mut self, tok: SpannedToken<'s>) {
[INFO] [stderr]    |                   ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 91 |     pub(crate) fn advance_if_split(
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `parser` (lib) generated 4 warnings
[INFO] [stderr] warning: `parser` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ast-3017101c683c67f8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cli-5028439a34cb95c3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/diagnostics-4e7e799b82191fb0)
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lexer-50442bf519d9bf27)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: test failed, to rerun pass `-p lexer --lib`
[INFO] [stdout] test tests::lex_example ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::lex_example stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::lex_example' (27) panicked at lexer/src/lib.rs:289:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: [Dollar, Ident("null"), Eq, Tilde, Semicolon, Dollar, Ident("nan"), Eq, Plus, Ident("null"), Semicolon, Dollar, Ident("inf"), Eq, IntLit(1), Slash, IntLit(0), Semicolon, Ident("isnum"), LParen, Ident("x"), RParen, Lt, Hashtag, Ident("x"), Eq2, Hashtag, IntLit(0), Semicolon, Ident("isnan"), LParen, Ident("x"), RParen, Lt, Ident("isnum"), LParen, Ident("x"), RParen, And2, LParen, Ident("x"), NotEq, Ident("x"), RParen, Semicolon, Ident("isinf"), LParen, Ident("x"), RParen, Lt, Ident("isnum"), LParen, Ident("x"), RParen, And2, LParen, Pipe, Ident("x"), Pipe, Eq2, Ident("inf"), RParen, Semicolon, Ident("gcm"), LParen, Ident("a"), Comma, Ident("b"), RParen, LBrace, At, LParen, Ident("b"), RParen, LBrace, LBracket, Ident("a"), Comma, Ident("b"), RBracket, Eq, LBracket, Ident("b"), Comma, Ident("a"), Percent, Ident("b"), RBracket, Semicolon, RBrace, Lt, Ident("a"), Semicolon, RBrace, Ident("lcm"), LParen, Ident("a"), Comma, Ident("b"), RParen, Lt, Pipe, Ident("a"), Pipe, Slash, Ident("gcm"), LParen, Ident("a"), Comma, Ident("b"), RParen, Star, Pipe, Ident("b"), Pipe, Semicolon]
[INFO] [stdout]  right: []
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x58a963d992b2 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x58a963d992b2 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x58a963d992b2 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x58a963d992b2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x58a963da9f1f - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x58a963da9f1f - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x58a963d66821 - std::io::default_write_fmt::h69967ac0ba93195f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x58a963d66821 - std::io::Write::write_fmt::h8db9396209deaa1c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x58a963d72882 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x58a963d773cf - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x58a963d77261 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x58a963d2c43e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h18383b2e29377420
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x58a963d2c43e - test::test_main_with_exit_callback::{{closure}}::h272d7ef99aef06dc
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x58a963d77a8f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6dba6e441651a0d1
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x58a963d77a8f - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x58a963d778ea - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x58a963d729b9 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x58a963d5acfd - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x58a963db2dc0 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x58a963db2c33 - core::panicking::assert_failed_inner::h448e1d534f4c3d4b
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x58a963d0aacf - core::panicking::assert_failed::h42a4a7596dd47257
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x58a963d05983 - lexer::tests::lex_example::h29ef9d90fb5452c7
[INFO] [stdout]                                at /opt/rustwide/workdir/lexer/src/lib.rs:289:9
[INFO] [stdout]   22:     0x58a963d059d7 - lexer::tests::lex_example::{{closure}}::h958af7a5fe10e198
[INFO] [stdout]                                at /opt/rustwide/workdir/lexer/src/lib.rs:286:21
[INFO] [stdout]   23:     0x58a963d09916 - core::ops::function::FnOnce::call_once::h6faf53c4abb2005d
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x58a963d2c1fb - core::ops::function::FnOnce::call_once::h70887edf07a630ba
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x58a963d2c1fb - test::__rust_begin_short_backtrace::h27763c4cbbdb8601
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x58a963d41e65 - test::run_test_in_process::{{closure}}::h4dc8bc6d5e3924d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x58a963d41e65 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h75905e8ffe81974f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x58a963d41e65 - std::panicking::catch_unwind::do_call::h0bc60366ba66eba5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x58a963d41e65 - std::panicking::catch_unwind::hae1ec7bf94407afa
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x58a963d41e65 - std::panic::catch_unwind::h0f4ff4773d84d3cd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x58a963d41e65 - test::run_test_in_process::h03fbc77ae48b3f10
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x58a963d41e65 - test::run_test::{{closure}}::h83476a9c453dc4d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x58a963d18654 - test::run_test::{{closure}}::h515482ad1e7fe7de
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x58a963d18654 - std::sys::backtrace::__rust_begin_short_backtrace::hed09f6ac5fe9d647
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x58a963d1bf1a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h988e2cd969319888
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x58a963d1bf1a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd70e28dc46ec20be
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x58a963d1bf1a - std::panicking::catch_unwind::do_call::hdc29e11311eb7655
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x58a963d1bf1a - std::panicking::catch_unwind::h9e402d6a96fef41c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x58a963d1bf1a - std::panic::catch_unwind::h9213c0c54aec70e0
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x58a963d1bf1a - std::thread::Builder::spawn_unchecked_::{{closure}}::h6262965869ed2b87
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x58a963d1bf1a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h05c05ed02619e462
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x58a963d6db1f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2044e71c41d3958a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   43:     0x58a963d6db1f - std::sys::thread::unix::Thread::new::thread_start::hf277835320aa8e5a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   44:     0x7085cc533aa4 - <unknown>
[INFO] [stdout]   45:     0x7085cc5c0a34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::lex_example
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "062ed01a9e1c28beaaa8eb4b49bd09e6d2b82f0fe5cc223dd6896463b1e94056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "062ed01a9e1c28beaaa8eb4b49bd09e6d2b82f0fe5cc223dd6896463b1e94056", kill_on_drop: false }`
[INFO] [stdout] 062ed01a9e1c28beaaa8eb4b49bd09e6d2b82f0fe5cc223dd6896463b1e94056
