[INFO] cloning repository https://github.com/Amalino7/steel_lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Amalino7/steel_lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmalino7%2Fsteel_lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmalino7%2Fsteel_lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 425328ffe1950ede1f825933c78446a513e0b6f7
[INFO] testing Amalino7/steel_lang against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmalino7%2Fsteel_lang" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Amalino7/steel_lang
[INFO] finished tweaking git repo https://github.com/Amalino7/steel_lang
[INFO] tweaked toml for git repo https://github.com/Amalino7/steel_lang written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Amalino7/steel_lang on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Amalino7/steel_lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46573f79109fc8cfcd4ee451b4076be8af9e5802ed0deb573a8b3883637b02d3
[INFO] running `Command { std: "docker" "start" "-a" "46573f79109fc8cfcd4ee451b4076be8af9e5802ed0deb573a8b3883637b02d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46573f79109fc8cfcd4ee451b4076be8af9e5802ed0deb573a8b3883637b02d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46573f79109fc8cfcd4ee451b4076be8af9e5802ed0deb573a8b3883637b02d3", kill_on_drop: false }`
[INFO] [stdout] 46573f79109fc8cfcd4ee451b4076be8af9e5802ed0deb573a8b3883637b02d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4da83b65c615ea39d037c481359e8ab4f4f23b655e72584195bcf6b711c25dd1
[INFO] running `Command { std: "docker" "start" "-a" "4da83b65c615ea39d037c481359e8ab4f4f23b655e72584195bcf6b711c25dd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling steel_lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/typechecker/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct VariableContext<'src> {
[INFO] [stdout]    |        --------------- field in this struct
[INFO] [stdout] 18 |     type_: Type,
[INFO] [stdout] 19 |     name: &'src str,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `depth` is never read
[INFO] [stdout]   --> src/typechecker/mod.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct Scope<'src> {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 30 |     variables: HashMap<&'src str, VariableContext<'src>>,
[INFO] [stdout] 31 |     depth: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/typechecker/mod.rs:89:24
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn lookup_variable(&mut self, name: &str) -> Option<&VariableContext> {
[INFO] [stdout]    |                        ^^^^^^^^^                        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                        |                                ||
[INFO] [stdout]    |                        |                                |the same lifetime is hidden here
[INFO] [stdout]    |                        |                                the same lifetime is elided here
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn lookup_variable(&mut self, name: &str) -> Option<&VariableContext<'_>> {
[INFO] [stdout]    |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "4da83b65c615ea39d037c481359e8ab4f4f23b655e72584195bcf6b711c25dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4da83b65c615ea39d037c481359e8ab4f4f23b655e72584195bcf6b711c25dd1", kill_on_drop: false }`
[INFO] [stdout] 4da83b65c615ea39d037c481359e8ab4f4f23b655e72584195bcf6b711c25dd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b321f0171da21d95262f602988c5c2dd116592c1f049e4705a74ca067d4f0bc5
[INFO] running `Command { std: "docker" "start" "-a" "b321f0171da21d95262f602988c5c2dd116592c1f049e4705a74ca067d4f0bc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling steel_lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `boolean` is never used
[INFO] [stdout]    --> src/parser/mod.rs:153:8
[INFO] [stdout]     |
[INFO] [stdout] 153 |     fn boolean(b: bool, line: usize) -> Box<Expr<'static>> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/typechecker/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct VariableContext<'src> {
[INFO] [stdout]    |        --------------- field in this struct
[INFO] [stdout] 18 |     type_: Type,
[INFO] [stdout] 19 |     name: &'src str,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `depth` is never read
[INFO] [stdout]   --> src/typechecker/mod.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct Scope<'src> {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 30 |     variables: HashMap<&'src str, VariableContext<'src>>,
[INFO] [stdout] 31 |     depth: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parser/mod.rs:141:20
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn string(str: &str, line: usize) -> Box<Expr> {
[INFO] [stdout]     |                    ^^^^                      ^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn string(str: &str, line: usize) -> Box<Expr<'_>> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/typechecker/mod.rs:89:24
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn lookup_variable(&mut self, name: &str) -> Option<&VariableContext> {
[INFO] [stdout]    |                        ^^^^^^^^^                        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                        |                                ||
[INFO] [stdout]    |                        |                                |the same lifetime is hidden here
[INFO] [stdout]    |                        |                                the same lifetime is elided here
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn lookup_variable(&mut self, name: &str) -> Option<&VariableContext<'_>> {
[INFO] [stdout]    |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "b321f0171da21d95262f602988c5c2dd116592c1f049e4705a74ca067d4f0bc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b321f0171da21d95262f602988c5c2dd116592c1f049e4705a74ca067d4f0bc5", kill_on_drop: false }`
[INFO] [stdout] b321f0171da21d95262f602988c5c2dd116592c1f049e4705a74ca067d4f0bc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e055e4c0ceba229392703ff07b8596f0395669a6edca290c47fb151cf2bd2daa
[INFO] running `Command { std: "docker" "start" "-a" "e055e4c0ceba229392703ff07b8596f0395669a6edca290c47fb151cf2bd2daa", kill_on_drop: false }`
[INFO] [stderr] warning: function `boolean` is never used
[INFO] [stderr]    --> src/parser/mod.rs:153:8
[INFO] [stderr]     |
[INFO] [stderr] 153 |     fn boolean(b: bool, line: usize) -> Box<Expr<'static>> {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]   --> src/typechecker/mod.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | struct VariableContext<'src> {
[INFO] [stderr]    |        --------------- field in this struct
[INFO] [stderr] 18 |     type_: Type,
[INFO] [stderr] 19 |     name: &'src str,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `depth` is never read
[INFO] [stderr]   --> src/typechecker/mod.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | struct Scope<'src> {
[INFO] [stderr]    |        ----- field in this struct
[INFO] [stderr] 30 |     variables: HashMap<&'src str, VariableContext<'src>>,
[INFO] [stderr] 31 |     depth: usize,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/parser/mod.rs:141:20
[INFO] [stderr]     |
[INFO] [stderr] 141 |     fn string(str: &str, line: usize) -> Box<Expr> {
[INFO] [stderr]     |                    ^^^^                      ^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 141 |     fn string(str: &str, line: usize) -> Box<Expr<'_>> {
[INFO] [stderr]     |                                                  ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/typechecker/mod.rs:89:24
[INFO] [stderr]    |
[INFO] [stderr] 89 |     fn lookup_variable(&mut self, name: &str) -> Option<&VariableContext> {
[INFO] [stderr]    |                        ^^^^^^^^^                        ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                        |                                ||
[INFO] [stderr]    |                        |                                |the same lifetime is hidden here
[INFO] [stderr]    |                        |                                the same lifetime is elided here
[INFO] [stderr]    |                        the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 89 |     fn lookup_variable(&mut self, name: &str) -> Option<&VariableContext<'_>> {
[INFO] [stderr]    |                                                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `steel_lang` (bin "steel_lang" test) generated 5 warnings (run `cargo fix --bin "steel_lang" -p steel_lang --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/steel_lang-272496a8f378178e)
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test parser::tests::test_basic_expressions ... ok
[INFO] [stdout] test parser::tests::test_if_statement ... ok
[INFO] [stdout] test parser::tests::test_logical_operators ... ok
[INFO] [stdout] test parser::tests::test_parser_error_invalid_type_identifier ... ok
[INFO] [stdout] test parser::tests::test_parser_error_missing_right_paren ... ok
[INFO] [stdout] test parser::tests::test_parser_error_missing_semicolon ... ok
[INFO] [stdout] test parser::tests::test_string_literals ... ok
[INFO] [stdout] test scanner::tests::test_block_comment ... ok
[INFO] [stdout] test scanner::tests::test_basic_lexing ... ok
[INFO] [stdout] test scanner::tests::test_emoji_identifier ... ok
[INFO] [stdout] test scanner::tests::test_nested_block_comment ... ok
[INFO] [stdout] test scanner::tests::test_unterminated_string ... ok
[INFO] [stdout] test scanner::tests::test_unterminated_comment ... ok
[INFO] [stdout] test scanner::tests::test_multiline_string ... ok
[INFO] [stdout] test typechecker::tests::tests::test_tc_function_correct_return ... ok
[INFO] [stdout] test typechecker::tests::tests::test_tc_function_correct_return2 ... ok
[INFO] [stdout] test typechecker::tests::tests::test_tc_function_return_missing ... ok
[INFO] [stdout] test typechecker::tests::tests::test_tc_function_unreachable_code ... ok
[INFO] [stdout] test scanner::tests::test_utf8_identifier ... ok
[INFO] [stdout] test scanner::tests::test_utf8_string ... ok
[INFO] [stdout] test typechecker::tests::tests::test_tc_callee_not_function ... ok
[INFO] [stdout] test typechecker::tests::tests::test_tc_param_type_mismatch ... ok
[INFO] [stdout] test typechecker::tests::tests::test_tc_type_mismatch_in_let ... ok
[INFO] [stdout] test typechecker::tests::tests::test_type_checker ... ok
[INFO] [stdout] test typechecker::tests::tests::test_type_checker_function_call ... ok
[INFO] [stdout] test typechecker::tests::tests::test_tc_undefined_variable ... ok
[INFO] [stdout] test typechecker::tests::tests::test_tc_nested_function_missing_return ... ok
[INFO] [stdout] test typechecker::tests::tests::test_tc_arity_mismatch ... ok
[INFO] [stdout] test typechecker::tests::tests::test_tc_multiple_errors ... ok
[INFO] [stdout] test typechecker::tests::tests::test_tc_invalid_return_outside_function ... ok
[INFO] [stdout] test typechecker::tests::tests::test_tc_nested_function_correct_return ... ok
[INFO] [stdout] test scanner::tests::test_error_token ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- scanner::tests::test_error_token stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'scanner::tests::test_error_token' (37) panicked at src/scanner.rs:318:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Token { token_type: UnexpectedSymbolError, line: 1, lexeme: "?" }
[INFO] [stdout]  right: Token { token_type: Error, line: 1, lexeme: "Unexpected character." }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x573f49ff6132 - std::backtrace_rs::backtrace::libunwind::trace::h786de35fecf3582f
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x573f49ff6132 - std::backtrace_rs::backtrace::trace_unsynchronized::h4a7da1a2a64387f1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x573f49ff6132 - std::sys::backtrace::_print_fmt::h6bd7d500070c788c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x573f49ff6132 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h6d82c1afff976903
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x573f4a00654f - core::fmt::rt::Argument::fmt::hc4ce6d643d397690
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x573f4a00654f - core::fmt::write::hb1e7ca88b6a3936e
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x573f49fc3ad3 - std::io::default_write_fmt::haffd49d96f1984a8
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x573f49fc3ad3 - std::io::Write::write_fmt::h027871c57cf57c01
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x573f49fcf9a2 - std::sys::backtrace::BacktraceLock::print::ha2430613ee79d059
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x573f49fd447f - std::panicking::default_hook::{{closure}}::hdbd2db9e5c303cf6
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x573f49fd4311 - std::panicking::default_hook::hed93c70cba5fdcf0
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x573f49f974de - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd0ee8b569efc6a07
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x573f49f974de - test::test_main_with_exit_callback::{{closure}}::hf10864b576ecd15d
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x573f49fd4a8f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3a55ca34534c0d00
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x573f49fd4a8f - std::panicking::panic_with_hook::h3862d766c2cec19b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x573f49fd48ea - std::panicking::panic_handler::{{closure}}::hb95eb402b5e28ee1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x573f49fcfad9 - std::sys::backtrace::__rust_end_short_backtrace::hf73a26dc1835d85a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x573f49fb83cd - __rustc[6ed5915ee467787]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x573f4a00f760 - core::panicking::panic_fmt::h3454303eb8e6f7cd
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x573f4a00f563 - core::panicking::assert_failed_inner::hdcc703ae7c807131
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:444:17
[INFO] [stdout]   20:     0x573f49f6c966 - core::panicking::assert_failed::h9e3cde804d7a9ec7
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:399:5
[INFO] [stdout]   21:     0x573f49f690cb - steel_lang::scanner::tests::test_error_token::he860f9895c16d42b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/scanner.rs:318:9
[INFO] [stdout]   22:     0x573f49f69117 - steel_lang::scanner::tests::test_error_token::{{closure}}::h0d491dd35c17c96a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/scanner.rs:315:26
[INFO] [stdout]   23:     0x573f49f6f716 - core::ops::function::FnOnce::call_once::h0b6f0ff68bc63306
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x573f49f972bb - core::ops::function::FnOnce::call_once::ha729ee35d2fab541
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x573f49f972bb - test::__rust_begin_short_backtrace::ha40f4db8207e1111
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x573f49fab33d - test::run_test_in_process::{{closure}}::hc1b77cda5d44f0f3
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x573f49fab33d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1dbea1de64785521
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x573f49fab33d - std::panicking::catch_unwind::do_call::hd5febe9affd5a1b3
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x573f49fab33d - std::panicking::catch_unwind::h51ea89627559b6f4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x573f49fab33d - std::panic::catch_unwind::hb8b8c2367cae3d66
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x573f49fab33d - test::run_test_in_process::ha5b55801407ea100
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x573f49fab33d - test::run_test::{{closure}}::h0b9d4072b527abf5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x573f49f84854 - test::run_test::{{closure}}::hb1056b5731205822
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x573f49f84854 - std::sys::backtrace::__rust_begin_short_backtrace::hb61ff5a34023c7ef
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x573f49f8818a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hb0a83c0e8b353cff
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   36:     0x573f49f8818a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb4f32cb008535298
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x573f49f8818a - std::panicking::catch_unwind::do_call::h16d110e4fc35789a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x573f49f8818a - std::panicking::catch_unwind::hea9118f355699c4b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x573f49f8818a - std::panic::catch_unwind::hf4b3c2a06d3f42f5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x573f49f8818a - std::thread::Builder::spawn_unchecked_::{{closure}}::h3f4cb733a52d53d5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   41:     0x573f49f8818a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4052f0967b37caeb
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x573f49fcaedf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ec433abd3f148b4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   43:     0x573f49fcaedf - std::sys::thread::unix::Thread::new::thread_start::he514622d3d7ba65c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   44:     0x74e011f1aaa4 - <unknown>
[INFO] [stdout]   45:     0x74e011fa7a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     scanner::tests::test_error_token
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 31 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin steel_lang`
[INFO] running `Command { std: "docker" "inspect" "e055e4c0ceba229392703ff07b8596f0395669a6edca290c47fb151cf2bd2daa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e055e4c0ceba229392703ff07b8596f0395669a6edca290c47fb151cf2bd2daa", kill_on_drop: false }`
[INFO] [stdout] e055e4c0ceba229392703ff07b8596f0395669a6edca290c47fb151cf2bd2daa
