[INFO] cloning repository https://github.com/iomallach/nzoth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iomallach/nzoth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiomallach%2Fnzoth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiomallach%2Fnzoth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76533d0eae2186df5aea3aad41034c8a0402330c
[INFO] testing iomallach/nzoth against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiomallach%2Fnzoth" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/iomallach/nzoth
[INFO] finished tweaking git repo https://github.com/iomallach/nzoth
[INFO] tweaked toml for git repo https://github.com/iomallach/nzoth written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iomallach/nzoth on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iomallach/nzoth 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-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6405fd54c23847086842a9f9d175b582cfba3a770971a994754a2f660000cb8
[INFO] running `Command { std: "docker" "start" "-a" "a6405fd54c23847086842a9f9d175b582cfba3a770971a994754a2f660000cb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6405fd54c23847086842a9f9d175b582cfba3a770971a994754a2f660000cb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6405fd54c23847086842a9f9d175b582cfba3a770971a994754a2f660000cb8", kill_on_drop: false }`
[INFO] [stdout] a6405fd54c23847086842a9f9d175b582cfba3a770971a994754a2f660000cb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fc8cf6f63f9ec18833f6044896b33a0f337e0b87c2526ac3a5b412e4dcd2c14
[INFO] running `Command { std: "docker" "start" "-a" "1fc8cf6f63f9ec18833f6044896b33a0f337e0b87c2526ac3a5b412e4dcd2c14", kill_on_drop: false }`
[INFO] [stderr]    Compiling nzoth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/checker/checked_ir.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 122 |         if let Self::BuiltIn(_) = self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/source/mod.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct FileId(usize);
[INFO] [stdout]   |            ------ ^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `FileId` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "1fc8cf6f63f9ec18833f6044896b33a0f337e0b87c2526ac3a5b412e4dcd2c14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fc8cf6f63f9ec18833f6044896b33a0f337e0b87c2526ac3a5b412e4dcd2c14", kill_on_drop: false }`
[INFO] [stdout] 1fc8cf6f63f9ec18833f6044896b33a0f337e0b87c2526ac3a5b412e4dcd2c14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a17890c989b4cd378e9db691c672ecda16cb29d954fb8ea1827e9c0770b3acae
[INFO] running `Command { std: "docker" "start" "-a" "a17890c989b4cd378e9db691c672ecda16cb29d954fb8ea1827e9c0770b3acae", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/checker/checked_ir.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 122 |         if let Self::BuiltIn(_) = self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/source/mod.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct FileId(usize);
[INFO] [stdout]   |            ------ ^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `FileId` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling bstr v1.12.0
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling globset v0.4.16
[INFO] [stderr]    Compiling insta v1.43.1
[INFO] [stderr]    Compiling nzoth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `SnapshotErrors` is never constructed
[INFO] [stdout]  --> tests/helpers.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct SnapshotErrors<'a>(pub &'a Vec<CompilationError<'a>>);
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_source_file` is never used
[INFO] [stdout]   --> tests/helpers.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn create_source_file<'a>(path: &'a Path, contents: &'a str) -> RefCell<SourceFile<'a>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnapshotToken` is never constructed
[INFO] [stdout]   --> tests/helpers.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct SnapshotToken<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> tests/helpers.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl<'a> SnapshotToken<'a> {
[INFO] [stdout]    | -------------------------- associated function in this implementation
[INFO] [stdout] 22 |     pub fn new(token: Token, source: &'a RefCell<SourceFile<'a>>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnapshotTokens` is never constructed
[INFO] [stdout]   --> tests/helpers.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct SnapshotTokens<'a>(pub Vec<SnapshotToken<'a>>);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnapshotToken` is never constructed
[INFO] [stdout]   --> tests/helpers.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct SnapshotToken<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> tests/helpers.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl<'a> SnapshotToken<'a> {
[INFO] [stdout]    | -------------------------- associated function in this implementation
[INFO] [stdout] 22 |     pub fn new(token: Token, source: &'a RefCell<SourceFile<'a>>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnapshotTokens` is never constructed
[INFO] [stdout]   --> tests/helpers.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct SnapshotTokens<'a>(pub Vec<SnapshotToken<'a>>);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/checker/checked_ir.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 122 |         if let Self::BuiltIn(_) = self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> src/parser/mod.rs:640:20
[INFO] [stdout]     |
[INFO] [stdout] 640 |         for (code, expected) in tests {
[INFO] [stdout]     |                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]    --> src/parser/mod.rs:644:17
[INFO] [stdout]     |
[INFO] [stdout] 644 |             let program = parser.parse();
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/source/mod.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct FileId(usize);
[INFO] [stdout]   |            ------ ^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `FileId` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_line_str` is never used
[INFO] [stdout]    --> src/source/mod.rs:250:8
[INFO] [stdout]     |
[INFO] [stdout] 250 |     fn test_line_str() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 23.87s
[INFO] running `Command { std: "docker" "inspect" "a17890c989b4cd378e9db691c672ecda16cb29d954fb8ea1827e9c0770b3acae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a17890c989b4cd378e9db691c672ecda16cb29d954fb8ea1827e9c0770b3acae", kill_on_drop: false }`
[INFO] [stdout] a17890c989b4cd378e9db691c672ecda16cb29d954fb8ea1827e9c0770b3acae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f77b3a83d8d898f66cc72539c1a33d009863ce0ac3da7c583c3381dae092f3a5
[INFO] running `Command { std: "docker" "start" "-a" "f77b3a83d8d898f66cc72539c1a33d009863ce0ac3da7c583c3381dae092f3a5", kill_on_drop: false }`
[INFO] [stderr] warning: irrefutable `if let` pattern
[INFO] [stderr]    --> src/checker/checked_ir.rs:122:12
[INFO] [stderr]     |
[INFO] [stderr] 122 |         if let Self::BuiltIn(_) = self {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stderr]     = help: consider replacing the `if let` with a `let`
[INFO] [stderr]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/source/mod.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct FileId(usize);
[INFO] [stderr]   |            ------ ^^^^^
[INFO] [stderr]   |            |
[INFO] [stderr]   |            field in this struct
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing this field
[INFO] [stderr]   = note: `FileId` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `nzoth` (lib) generated 2 warnings
[INFO] [stderr] warning: struct `SnapshotToken` is never constructed
[INFO] [stderr]   --> tests/helpers.rs:16:12
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 16 | pub struct SnapshotToken<'a> {
[INFO] [stdout] running 5 tests
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> tests/helpers.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 21 | impl<'a> SnapshotToken<'a> {
[INFO] [stderr]    | -------------------------- associated function in this implementation
[INFO] [stderr] 22 |     pub fn new(token: Token, source: &'a RefCell<SourceFile<'a>>) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SnapshotTokens` is never constructed
[INFO] [stderr]   --> tests/helpers.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub struct SnapshotTokens<'a>(pub Vec<SnapshotToken<'a>>);
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expected`
[INFO] [stderr]    --> src/parser/mod.rs:640:20
[INFO] [stderr]     |
[INFO] [stderr] 640 |         for (code, expected) in tests {
[INFO] [stderr]     |                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]    --> src/parser/mod.rs:644:17
[INFO] [stderr]     |
[INFO] [stderr] 644 |             let program = parser.parse();
[INFO] [stderr]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_line_str` is never used
[INFO] [stderr]    --> src/source/mod.rs:250:8
[INFO] [stderr]     |
[INFO] [stderr] 250 |     fn test_line_str() {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SnapshotErrors` is never constructed
[INFO] [stderr]  --> tests/helpers.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct SnapshotErrors<'a>(pub &'a Vec<CompilationError<'a>>);
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `create_source_file` is never used
[INFO] [stderr]   --> tests/helpers.rs:51:8
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub fn create_source_file<'a>(path: &'a Path, contents: &'a str) -> RefCell<SourceFile<'a>> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `nzoth` (test "test_parser") generated 3 warnings
[INFO] [stderr] warning: `nzoth` (test "test_checker") generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: `nzoth` (lib test) generated 5 warnings (2 duplicates) (run `cargo fix --lib -p nzoth --tests` to apply 2 suggestions)
[INFO] [stderr] warning: `nzoth` (test "test_lexer") generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nzoth-a866e787986d9ef2)
[INFO] [stdout] test parser::tests::test_expression_operator_precedence ... ok
[INFO] [stdout] test source::tests::test_append_line_start ... ok
[INFO] [stdout] test source::tests::test_position_at_offset_oneline ... ok
[INFO] [stdout] test source::tests::test_span_text ... ok
[INFO] [stdout] test source::tests::test_position_at_offset_multiline ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/nzoth-bbdc4427c908c05f)
[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 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/helpers.rs (/opt/rustwide/target/debug/deps/helpers-f91d6e0edfaf7d93)
[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 tests/test_checker.rs (/opt/rustwide/target/debug/deps/test_checker-02f9f959758bf323)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_invalid_expressions ... ok
[INFO] [stdout] test test_invalid_let_declarations ... ok
[INFO] [stdout] test test_valid_let_declarations ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_valid_let_declarations stdout ----
[INFO] [stdout] ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Snapshot Summary ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
[INFO] [stdout] Snapshot file: tests/snapshots/test_checker__valid_cases@valid_let_declarations.nz.snap
[INFO] [stdout] Snapshot: valid_cases@valid_let_declarations.nz
[INFO] [stdout] Source: tests/test_checker.rs:24
[INFO] [stdout] Input file: tests/resources/checker_cases/valid_let_declarations.nz
[INFO] [stdout] ────────────────────────────────────────────────────────────────────────────────
[INFO] [stdout] -old snapshot
[INFO] [stdout] +new results
[INFO] [stdout] ────────────┬───────────────────────────────────────────────────────────────────
[INFO] [stdout]     0     0 │ CompilationUnit {
[INFO] [stdout]     1     1 │     scope: Scope {
[INFO] [stdout]     2     2 │         parent: None,
[INFO] [stdout]     3     3 │         functions: {
[INFO] [stdout]     4       │-            "foo": CheckedFuncDeclaration {
[INFO] [stdout]     5       │-                name: "foo",
[INFO] [stdout]     6       │-                parameters: [],
[INFO] [stdout]     7       │-                body: CheckedFunctionBody {
[INFO] [stdout]     8       │-                    statements: [
[INFO] [stdout]     9       │-                        CheckedLetVarDeclaration(
[INFO] [stdout]    10       │-                            CheckedLetVarDeclaration {
[INFO] [stdout]    11       │-                                name: "bar",
[INFO] [stdout]    12       │-                                ty: 0,
[INFO] [stdout]    13       │-                                span: Span {
[INFO] [stdout]    14       │-                                    start: Position {
[INFO] [stdout]    15       │-                                        offset: 138,
[INFO] [stdout]    16       │-                                        line: 9,
[INFO] [stdout]    17       │-                                        column: 2,
[INFO] [stdout]    18       │-                                    },
[INFO] [stdout]    19       │-                                    end: Position {
[INFO] [stdout]    20       │-                                        offset: 149,
[INFO] [stdout]    21       │-                                        line: 9,
[INFO] [stdout]    22       │-                                        column: 13,
[INFO] [stdout]    23       │-                                    },
[INFO] [stdout]    24       │-                                    file: FileId(
[INFO] [stdout]    25       │-                                        0,
[INFO] [stdout]    26       │-                                    ),
[INFO] [stdout]    27       │-                                },
[INFO] [stdout]    28       │-                            },
[INFO] [stdout]    29       │-                            NumericLiteral(
[INFO] [stdout]    30       │-                                Integer(
[INFO] [stdout]    31       │-                                    2,
[INFO] [stdout]    32       │-                                ),
[INFO] [stdout]    33       │-                                0,
[INFO] [stdout]    34       │-                                Span {
[INFO] [stdout]    35       │-                                    start: Position {
[INFO] [stdout]    36       │-                                        offset: 148,
[INFO] [stdout]    37       │-                                        line: 9,
[INFO] [stdout]    38       │-                                        column: 12,
[INFO] [stdout]    39       │-                                    },
[INFO] [stdout]    40       │-                                    end: Position {
[INFO] [stdout]    41       │-                                        offset: 149,
[INFO] [stdout]    42       │-                                        line: 9,
[INFO] [stdout]    43       │-                                        column: 13,
[INFO] [stdout]    44       │-                                    },
[INFO] [stdout]    45       │-                                    file: FileId(
[INFO] [stdout]    46       │-                                        0,
[INFO] [stdout]    47       │-                                    ),
[INFO] [stdout]    48       │-                                },
[INFO] [stdout]    49       │-                            ),
[INFO] [stdout]    50       │-                        ),
[INFO] [stdout]    51       │-                        Return(
[INFO] [stdout]    52       │-                            CheckedReturn {
[INFO] [stdout]    53       │-                                expression: Unit(
[INFO] [stdout]    54       │-                                    Span {
[INFO] [stdout]    55       │-                                        start: Position {
[INFO] [stdout]    56       │-                                            offset: 0,
[INFO] [stdout]    57       │-                                            line: 0,
[INFO] [stdout]    58       │-                                            column: 0,
[INFO] [stdout]    59       │-                                        },
[INFO] [stdout]    60       │-                                        end: Position {
[INFO] [stdout]    61       │-                                            offset: 0,
[INFO] [stdout]    62       │-                                            line: 0,
[INFO] [stdout]    63       │-                                            column: 0,
[INFO] [stdout]    64       │-                                        },
[INFO] [stdout]    65       │-                                        file: FileId(
[INFO] [stdout]    66       │-                                            0,
[INFO] [stdout]    67       │-                                        ),
[INFO] [stdout]    68       │-                                    },
[INFO] [stdout]    69       │-                                ),
[INFO] [stdout]    70       │-                                span: Span {
[INFO] [stdout]    71       │-                                    start: Position {
[INFO] [stdout]    72       │-                                        offset: 0,
[INFO] [stdout]    73       │-                                        line: 0,
[INFO] [stdout]    74       │-                                        column: 0,
[INFO] [stdout]    75       │-                                    },
[INFO] [stdout]    76       │-                                    end: Position {
[INFO] [stdout]    77       │-                                        offset: 0,
[INFO] [stdout]    78       │-                                        line: 0,
[INFO] [stdout]    79       │-                                        column: 0,
[INFO] [stdout]    80       │-                                    },
[INFO] [stdout]    81       │-                                    file: FileId(
[INFO] [stdout]    82       │-                                        0,
[INFO] [stdout]    83       │-                                    ),
[INFO] [stdout]    84       │-                                },
[INFO] [stdout]    85       │-                            },
[INFO] [stdout]    86       │-                        ),
[INFO] [stdout]    87       │-                    ],
[INFO] [stdout]    88       │-                    span: Span {
[INFO] [stdout]    89       │-                        start: Position {
[INFO] [stdout]    90       │-                            offset: 134,
[INFO] [stdout]    91       │-                            line: 8,
[INFO] [stdout]    92       │-                            column: 13,
[INFO] [stdout]    93       │-                        },
[INFO] [stdout]    94       │-                        end: Position {
[INFO] [stdout]    95       │-                            offset: 152,
[INFO] [stdout]    96       │-                            line: 10,
[INFO] [stdout]    97       │-                            column: 1,
[INFO] [stdout]    98       │-                        },
[INFO] [stdout]    99       │-                        file: FileId(
[INFO] [stdout]   100       │-                            0,
[INFO] [stdout]   101       │-                        ),
[INFO] [stdout]   102       │-                    },
[INFO] [stdout]   103       │-                },
[INFO] [stdout]   104       │-                return_type: 3,
[INFO] [stdout]   105       │-                span: Span {
[INFO] [stdout]   106       │-                    start: Position {
[INFO] [stdout]   107       │-                        offset: 121,
[INFO] [stdout]   108       │-                        line: 8,
[INFO] [stdout]   109       │-                        column: 0,
[INFO] [stdout]   110       │-                    },
[INFO] [stdout]   111       │-                    end: Position {
[INFO] [stdout]   112       │-                        offset: 124,
[INFO] [stdout]   113       │-                        line: 8,
[INFO] [stdout]   114       │-                        column: 3,
[INFO] [stdout]   115       │-                    },
[INFO] [stdout]   116       │-                    file: FileId(
[INFO] [stdout]   117       │-                        0,
[INFO] [stdout]   118       │-                    ),
[INFO] [stdout]   119       │-                },
[INFO] [stdout]   120       │-            },
[INFO] [stdout]   121     4 │             "main": CheckedFuncDeclaration {
[INFO] [stdout]   122     5 │                 name: "main",
[INFO] [stdout]   123     6 │                 parameters: [],
[INFO] [stdout]   124     7 │                 body: CheckedFunctionBody {
[INFO] [stdout] ┈┈┈┈┈┈┈┈┈┈┈┈┼┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stdout]   364   247 │                         0,
[INFO] [stdout]   365   248 │                     ),
[INFO] [stdout]   366   249 │                 },
[INFO] [stdout]   367   250 │             },
[INFO] [stdout]         251 │+            "foo": CheckedFuncDeclaration {
[INFO] [stdout]         252 │+                name: "foo",
[INFO] [stdout]         253 │+                parameters: [],
[INFO] [stdout]         254 │+                body: CheckedFunctionBody {
[INFO] [stdout]         255 │+                    statements: [
[INFO] [stdout]         256 │+                        CheckedLetVarDeclaration(
[INFO] [stdout]         257 │+                            CheckedLetVarDeclaration {
[INFO] [stdout]         258 │+                                name: "bar",
[INFO] [stdout]         259 │+                                ty: 0,
[INFO] [stdout]         260 │+                                span: Span {
[INFO] [stdout]         261 │+                                    start: Position {
[INFO] [stdout]         262 │+                                        offset: 138,
[INFO] [stdout]         263 │+                                        line: 9,
[INFO] [stdout]         264 │+                                        column: 2,
[INFO] [stdout]         265 │+                                    },
[INFO] [stdout]         266 │+                                    end: Position {
[INFO] [stdout]         267 │+                                        offset: 149,
[INFO] [stdout]         268 │+                                        line: 9,
[INFO] [stdout]         269 │+                                        column: 13,
[INFO] [stdout]         270 │+                                    },
[INFO] [stdout]         271 │+                                    file: FileId(
[INFO] [stdout]         272 │+                                        0,
[INFO] [stdout]         273 │+                                    ),
[INFO] [stdout]         274 │+                                },
[INFO] [stdout]         275 │+                            },
[INFO] [stdout]         276 │+                            NumericLiteral(
[INFO] [stdout]         277 │+                                Integer(
[INFO] [stdout]         278 │+                                    2,
[INFO] [stdout]         279 │+                                ),
[INFO] [stdout]         280 │+                                0,
[INFO] [stdout]         281 │+                                Span {
[INFO] [stdout]         282 │+                                    start: Position {
[INFO] [stdout]         283 │+                                        offset: 148,
[INFO] [stdout]         284 │+                                        line: 9,
[INFO] [stdout]         285 │+                                        column: 12,
[INFO] [stdout]         286 │+                                    },
[INFO] [stdout]         287 │+                                    end: Position {
[INFO] [stdout]         288 │+                                        offset: 149,
[INFO] [stdout]         289 │+                                        line: 9,
[INFO] [stdout]         290 │+                                        column: 13,
[INFO] [stdout]         291 │+                                    },
[INFO] [stdout]         292 │+                                    file: FileId(
[INFO] [stdout]         293 │+                                        0,
[INFO] [stdout]         294 │+                                    ),
[INFO] [stdout]         295 │+                                },
[INFO] [stdout]         296 │+                            ),
[INFO] [stdout]         297 │+                        ),
[INFO] [stdout]         298 │+                        Return(
[INFO] [stdout]         299 │+                            CheckedReturn {
[INFO] [stdout]         300 │+                                expression: Unit(
[INFO] [stdout]         301 │+                                    Span {
[INFO] [stdout]         302 │+                                        start: Position {
[INFO] [stdout]         303 │+                                            offset: 0,
[INFO] [stdout]         304 │+                                            line: 0,
[INFO] [stdout]         305 │+                                            column: 0,
[INFO] [stdout]         306 │+                                        },
[INFO] [stdout]         307 │+                                        end: Position {
[INFO] [stdout]         308 │+                                            offset: 0,
[INFO] [stdout]         309 │+                                            line: 0,
[INFO] [stdout]         310 │+                                            column: 0,
[INFO] [stdout]         311 │+                                        },
[INFO] [stdout]         312 │+                                        file: FileId(
[INFO] [stdout]         313 │+                                            0,
[INFO] [stdout]         314 │+                                        ),
[INFO] [stdout]         315 │+                                    },
[INFO] [stdout]         316 │+                                ),
[INFO] [stdout]         317 │+                                span: Span {
[INFO] [stdout]         318 │+                                    start: Position {
[INFO] [stdout]         319 │+                                        offset: 0,
[INFO] [stdout]         320 │+                                        line: 0,
[INFO] [stdout]         321 │+                                        column: 0,
[INFO] [stdout]         322 │+                                    },
[INFO] [stdout]         323 │+                                    end: Position {
[INFO] [stdout]         324 │+                                        offset: 0,
[INFO] [stdout]         325 │+                                        line: 0,
[INFO] [stdout]         326 │+                                        column: 0,
[INFO] [stdout]         327 │+                                    },
[INFO] [stdout]         328 │+                                    file: FileId(
[INFO] [stdout]         329 │+                                        0,
[INFO] [stdout]         330 │+                                    ),
[INFO] [stdout]         331 │+                                },
[INFO] [stdout]         332 │+                            },
[INFO] [stdout]         333 │+                        ),
[INFO] [stdout]         334 │+                    ],
[INFO] [stdout]         335 │+                    span: Span {
[INFO] [stdout]         336 │+                        start: Position {
[INFO] [stdout]         337 │+                            offset: 134,
[INFO] [stdout]         338 │+                            line: 8,
[INFO] [stdout]         339 │+                            column: 13,
[INFO] [stdout]         340 │+                        },
[INFO] [stdout]         341 │+                        end: Position {
[INFO] [stdout]         342 │+                            offset: 152,
[INFO] [stdout]         343 │+                            line: 10,
[INFO] [stdout]         344 │+                            column: 1,
[INFO] [stdout]         345 │+                        },
[INFO] [stdout]         346 │+                        file: FileId(
[INFO] [stdout]         347 │+                            0,
[INFO] [stdout]         348 │+                        ),
[INFO] [stdout]         349 │+                    },
[INFO] [stdout]         350 │+                },
[INFO] [stdout]         351 │+                return_type: 3,
[INFO] [stdout]         352 │+                span: Span {
[INFO] [stdout]         353 │+                    start: Position {
[INFO] [stdout]         354 │+                        offset: 121,
[INFO] [stdout]         355 │+                        line: 8,
[INFO] [stdout]         356 │+                        column: 0,
[INFO] [stdout]         357 │+                    },
[INFO] [stdout]         358 │+                    end: Position {
[INFO] [stdout]         359 │+                        offset: 124,
[INFO] [stdout]         360 │+                        line: 8,
[INFO] [stdout]         361 │+                        column: 3,
[INFO] [stdout]         362 │+                    },
[INFO] [stdout]         363 │+                    file: FileId(
[INFO] [stdout]         364 │+                        0,
[INFO] [stdout]         365 │+                    ),
[INFO] [stdout]         366 │+                },
[INFO] [stdout]         367 │+            },
[INFO] [stdout]   368   368 │         },
[INFO] [stdout]   369   369 │         var_decls: {},
[INFO] [stdout]   370   370 │     },
[INFO] [stdout]   371   371 │     functions: [
[INFO] [stdout] ────────────┴───────────────────────────────────────────────────────────────────
[INFO] [stdout] 
[INFO] [stdout] thread 'test_valid_let_declarations' (34) panicked at tests/test_checker.rs:24:13:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: FileIo(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }, "/opt/rustwide/workdir/tests/snapshots/test_checker__valid_cases@valid_let_declarations.nz.snap.new")
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x60bdbaceae3a - std[b80a194dd3c418bb]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x60bdbaceae3a - std[b80a194dd3c418bb]::backtrace_rs::backtrace::trace_unsynchronized::<std[b80a194dd3c418bb]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x60bdbaceae3a - std[b80a194dd3c418bb]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x60bdbaceae3a - <<std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[10b6fa85044e1869]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x60bdbad02f1a - <core[10b6fa85044e1869]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x60bdbad02f1a - core[10b6fa85044e1869]::fmt::write
[INFO] [stdout]    6:     0x60bdbacef9f2 - std[b80a194dd3c418bb]::io::default_write_fmt::<alloc[dd269455e567d8e9]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x60bdbacef9f2 - <alloc[dd269455e567d8e9]::vec::Vec<u8> as std[b80a194dd3c418bb]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x60bdbacc70df - <std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x60bdbacc70df - std[b80a194dd3c418bb]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x60bdbace2479 - std[b80a194dd3c418bb]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x60bdba94778c - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x60bdba94778c - test[826cbc6ef54ab466]::test_main_with_exit_callback::<test[826cbc6ef54ab466]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x60bdbace2632 - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x60bdbace2632 - std[b80a194dd3c418bb]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x60bdbacc7198 - std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x60bdbacbe749 - std[b80a194dd3c418bb]::sys::backtrace::__rust_end_short_backtrace::<std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x60bdbacc7f4d - __rustc[9698a3e60dd14283]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x60bdbad0387c - core[10b6fa85044e1869]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x60bdbad035f2 - core[10b6fa85044e1869]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x60bdba926613 - core::result::Result<T,E>::unwrap::hedddf59bed22cad6
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x60bdba926613 - test_checker::test_valid_cases::{{closure}}::{{closure}}::h2316eea9da68ccc4
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/test_checker.rs:24:13
[INFO] [stdout]   22:     0x60bdba92a1fa - insta::settings::Settings::bind::h79e5d6b45378fcbb
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/insta-1.43.1/src/settings.rs:509:9
[INFO] [stdout]   23:     0x60bdba9260e3 - test_checker::test_valid_cases::{{closure}}::h384143624714525b
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/test_checker.rs:19:9
[INFO] [stdout]   24:     0x60bdba93b802 - insta::glob::glob_exec::{{closure}}::h528c5eb95da0e1dc
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/insta-1.43.1/src/glob.rs:108:13
[INFO] [stdout]   25:     0x60bdba92a2a9 - insta::settings::Settings::bind::h9468c4eb3bfe66e2
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/insta-1.43.1/src/settings.rs:509:9
[INFO] [stdout]   26:     0x60bdba9395e6 - insta::glob::glob_exec::hcdec935b4e7073ed
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/insta-1.43.1/src/glob.rs:107:18
[INFO] [stdout]   27:     0x60bdba925a80 - test_checker::test_valid_cases::hb3646e3adeb35d5c
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/test_checker.rs:6:5
[INFO] [stdout]   28:     0x60bdba927762 - test_checker::test_valid_let_declarations::hc2bb7414ab98abdb
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/test_checker.rs:52:5
[INFO] [stdout]   29:     0x60bdba927787 - test_checker::test_valid_let_declarations::{{closure}}::h806f107ff03459b9
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/test_checker.rs:51:33
[INFO] [stdout]   30:     0x60bdba92cc56 - core::ops::function::FnOnce::call_once::h8734aa83fd471d84
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x60bdba93b86b - <fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   32:     0x60bdba93b86b - test[826cbc6ef54ab466]::__rust_begin_short_backtrace::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:663:18
[INFO] [stdout]   33:     0x60bdba94825b - test[826cbc6ef54ab466]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:74
[INFO] [stdout]   34:     0x60bdba94825b - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   35:     0x60bdba94825b - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x60bdba94825b - std[b80a194dd3c418bb]::panicking::catch_unwind::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x60bdba94825b - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x60bdba94825b - test[826cbc6ef54ab466]::run_test_in_process
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:27
[INFO] [stdout]   39:     0x60bdba94825b - test[826cbc6ef54ab466]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:607:43
[INFO] [stdout]   40:     0x60bdba943974 - test[826cbc6ef54ab466]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:637:41
[INFO] [stdout]   41:     0x60bdba943974 - std[b80a194dd3c418bb]::sys::backtrace::__rust_begin_short_backtrace::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   42:     0x60bdba94ae62 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   43:     0x60bdba94ae62 - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   44:     0x60bdba94ae62 - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   45:     0x60bdba94ae62 - std[b80a194dd3c418bb]::panicking::catch_unwind::<(), core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   46:     0x60bdba94ae62 - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   47:     0x60bdba94ae62 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   48:     0x60bdba94ae62 - <std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1} as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   49:     0x60bdbace9eff - <alloc[dd269455e567d8e9]::boxed::Box<dyn core[10b6fa85044e1869]::ops::function::FnOnce<(), Output = ()> + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   50:     0x60bdbace9eff - <std[b80a194dd3c418bb]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   51:     0x7698e04ffaa4 - <unknown>
[INFO] [stdout]   52:     0x7698e058ca64 - clone
[INFO] [stdout]   53:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test_valid_let_declarations
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test test_checker`
[INFO] running `Command { std: "docker" "inspect" "f77b3a83d8d898f66cc72539c1a33d009863ce0ac3da7c583c3381dae092f3a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f77b3a83d8d898f66cc72539c1a33d009863ce0ac3da7c583c3381dae092f3a5", kill_on_drop: false }`
[INFO] [stdout] f77b3a83d8d898f66cc72539c1a33d009863ce0ac3da7c583c3381dae092f3a5
