[INFO] fetching crate perl-dap-stack 0.12.2...
[INFO] testing perl-dap-stack-0.12.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate perl-dap-stack 0.12.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate perl-dap-stack 0.12.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate perl-dap-stack 0.12.2
[INFO] tweaked toml for crates.io crate perl-dap-stack 0.12.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate perl-dap-stack 0.12.2 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate perl-dap-stack 0.12.2 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-2026-04-21" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 295e60c6207103c327f4535ebe39fac98e6bbf3b3701c46fef4c772849987b7f
[INFO] running `Command { std: "docker" "start" "-a" "295e60c6207103c327f4535ebe39fac98e6bbf3b3701c46fef4c772849987b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "295e60c6207103c327f4535ebe39fac98e6bbf3b3701c46fef4c772849987b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "295e60c6207103c327f4535ebe39fac98e6bbf3b3701c46fef4c772849987b7f", kill_on_drop: false }`
[INFO] [stdout] 295e60c6207103c327f4535ebe39fac98e6bbf3b3701c46fef4c772849987b7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21d39177779af0ca868e5549866bfc14bd10523a602713ae9f2de9246d479703
[INFO] running `Command { std: "docker" "start" "-a" "21d39177779af0ca868e5549866bfc14bd10523a602713ae9f2de9246d479703", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling perl-dap-stack v0.12.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.23s
[INFO] running `Command { std: "docker" "inspect" "21d39177779af0ca868e5549866bfc14bd10523a602713ae9f2de9246d479703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21d39177779af0ca868e5549866bfc14bd10523a602713ae9f2de9246d479703", kill_on_drop: false }`
[INFO] [stdout] 21d39177779af0ca868e5549866bfc14bd10523a602713ae9f2de9246d479703
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2360c566239259e1dd13f3d62dc5b4a8550a9e56ff751f2bbd2fca192af815d2
[INFO] running `Command { std: "docker" "start" "-a" "2360c566239259e1dd13f3d62dc5b4a8550a9e56ff751f2bbd2fca192af815d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling perl-dap-stack v0.12.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `perl_tdd_support`
[INFO] [stdout]    --> src/parser.rs:334:13
[INFO] [stdout]     |
[INFO] [stdout] 334 |         use perl_tdd_support::must_some;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `perl_tdd_support`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `perl_tdd_support`, use `cargo add perl_tdd_support` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `perl_tdd_support`
[INFO] [stdout]    --> src/parser.rs:345:13
[INFO] [stdout]     |
[INFO] [stdout] 345 |         use perl_tdd_support::must_some;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `perl_tdd_support`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `perl_tdd_support`, use `cargo add perl_tdd_support` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `perl_tdd_support`
[INFO] [stdout]    --> src/parser.rs:357:13
[INFO] [stdout]     |
[INFO] [stdout] 357 |         use perl_tdd_support::must_some;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `perl_tdd_support`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `perl_tdd_support`, use `cargo add perl_tdd_support` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `perl_tdd_support`
[INFO] [stdout]    --> src/parser.rs:367:13
[INFO] [stdout]     |
[INFO] [stdout] 367 |         use perl_tdd_support::must_some;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `perl_tdd_support`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `perl_tdd_support`, use `cargo add perl_tdd_support` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `perl_tdd_support`
[INFO] [stdout]    --> src/parser.rs:378:13
[INFO] [stdout]     |
[INFO] [stdout] 378 |         use perl_tdd_support::must_some;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `perl_tdd_support`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `perl_tdd_support`, use `cargo add perl_tdd_support` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `perl_tdd_support`
[INFO] [stdout]    --> src/parser.rs:388:13
[INFO] [stdout]     |
[INFO] [stdout] 388 |         use perl_tdd_support::must_some;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `perl_tdd_support`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `perl_tdd_support`, use `cargo add perl_tdd_support` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `perl_tdd_support`
[INFO] [stdout]    --> src/parser.rs:421:13
[INFO] [stdout]     |
[INFO] [stdout] 421 |         use perl_tdd_support::must_some;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `perl_tdd_support`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `perl_tdd_support`, use `cargo add perl_tdd_support` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `perl_tdd_support`
[INFO] [stdout]   --> tests/malformed_debugger_output_tests.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |     use perl_tdd_support::must_some;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `perl_tdd_support`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `perl_tdd_support`, use `cargo add perl_tdd_support` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `perl_tdd_support`
[INFO] [stdout]    --> tests/malformed_debugger_output_tests.rs:445:9
[INFO] [stdout]     |
[INFO] [stdout] 445 |     use perl_tdd_support::must_some;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `perl_tdd_support`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `perl_tdd_support`, use `cargo add perl_tdd_support` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `perl_tdd_support`
[INFO] [stdout]    --> tests/malformed_debugger_output_tests.rs:731:9
[INFO] [stdout]     |
[INFO] [stdout] 731 |     use perl_tdd_support::must_some;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `perl_tdd_support`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `perl_tdd_support`, use `cargo add perl_tdd_support` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `perl-dap-stack` (test "malformed_debugger_output_tests") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/extended_unit_tests.rs:159:25
[INFO] [stdout]     |
[INFO] [stdout] 159 |     let f: StackFrame = serde_json::from_str(json)?;
[INFO] [stdout]     |                         ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/extended_unit_tests.rs:167:41
[INFO] [stdout]     |
[INFO] [stdout] 167 |     let result: Result<StackFrame, _> = serde_json::from_str(json);
[INFO] [stdout]     |                                         ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/extended_unit_tests.rs:179:16
[INFO] [stdout]     |
[INFO] [stdout] 179 |     let json = serde_json::to_string(&s)?;
[INFO] [stdout]     |                ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/extended_unit_tests.rs:180:22
[INFO] [stdout]     |
[INFO] [stdout] 180 |     let s2: Source = serde_json::from_str(&json)?;
[INFO] [stdout]     |                      ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/extended_unit_tests.rs:187:16
[INFO] [stdout]     |
[INFO] [stdout] 187 |     let json = serde_json::to_string(&StackFramePresentationHint::Normal)?;
[INFO] [stdout]     |                ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/extended_unit_tests.rs:194:16
[INFO] [stdout]     |
[INFO] [stdout] 194 |     let json = serde_json::to_string(&StackFramePresentationHint::Label)?;
[INFO] [stdout]     |                ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/extended_unit_tests.rs:201:16
[INFO] [stdout]     |
[INFO] [stdout] 201 |     let json = serde_json::to_string(&SourcePresentationHint::Emphasize)?;
[INFO] [stdout]     |                ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/extended_unit_tests.rs:208:16
[INFO] [stdout]     |
[INFO] [stdout] 208 |     let json = serde_json::to_string(&SourcePresentationHint::Normal)?;
[INFO] [stdout]     |                ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/extended_unit_tests.rs:216:16
[INFO] [stdout]     |
[INFO] [stdout] 216 |     let json = serde_json::to_string(&f)?;
[INFO] [stdout]     |                ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/extended_unit_tests.rs:227:16
[INFO] [stdout]     |
[INFO] [stdout] 227 |     let json = serde_json::to_string(&f)?;
[INFO] [stdout]     |                ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/comprehensive_unit_tests.rs:272:16
[INFO] [stdout]     |
[INFO] [stdout] 272 |     let json = serde_json::to_string(&frame)?;
[INFO] [stdout]     |                ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/comprehensive_unit_tests.rs:273:36
[INFO] [stdout]     |
[INFO] [stdout] 273 |     let deserialized: StackFrame = serde_json::from_str(&json)?;
[INFO] [stdout]     |                                    ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/comprehensive_unit_tests.rs:289:16
[INFO] [stdout]     |
[INFO] [stdout] 289 |     let json = serde_json::to_string(&frame)?;
[INFO] [stdout]     |                ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/comprehensive_unit_tests.rs:305:16
[INFO] [stdout]     |
[INFO] [stdout] 305 |     let json = serde_json::to_string(&frame)?;
[INFO] [stdout]     |                ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/comprehensive_unit_tests.rs:323:16
[INFO] [stdout]     |
[INFO] [stdout] 323 |     let json = serde_json::to_string(&source)?;
[INFO] [stdout]     |                ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/comprehensive_unit_tests.rs:324:32
[INFO] [stdout]     |
[INFO] [stdout] 324 |     let deserialized: Source = serde_json::from_str(&json)?;
[INFO] [stdout]     |                                ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/comprehensive_unit_tests.rs:336:16
[INFO] [stdout]     |
[INFO] [stdout] 336 |     let json = serde_json::to_string(&source)?;
[INFO] [stdout]     |                ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/comprehensive_unit_tests.rs:348:18
[INFO] [stdout]     |
[INFO] [stdout] 348 |     let normal = serde_json::to_string(&StackFramePresentationHint::Normal)?;
[INFO] [stdout]     |                  ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/comprehensive_unit_tests.rs:349:17
[INFO] [stdout]     |
[INFO] [stdout] 349 |     let label = serde_json::to_string(&StackFramePresentationHint::Label)?;
[INFO] [stdout]     |                 ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/comprehensive_unit_tests.rs:350:18
[INFO] [stdout]     |
[INFO] [stdout] 350 |     let subtle = serde_json::to_string(&StackFramePresentationHint::Subtle)?;
[INFO] [stdout]     |                  ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/comprehensive_unit_tests.rs:360:18
[INFO] [stdout]     |
[INFO] [stdout] 360 |     let normal = serde_json::to_string(&SourcePresentationHint::Normal)?;
[INFO] [stdout]     |                  ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/comprehensive_unit_tests.rs:361:21
[INFO] [stdout]     |
[INFO] [stdout] 361 |     let emphasize = serde_json::to_string(&SourcePresentationHint::Emphasize)?;
[INFO] [stdout]     |                     ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/comprehensive_unit_tests.rs:362:23
[INFO] [stdout]     |
[INFO] [stdout] 362 |     let deemphasize = serde_json::to_string(&SourcePresentationHint::Deemphasize)?;
[INFO] [stdout]     |                       ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `perl-dap-stack` (test "extended_unit_tests") due to 10 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/comprehensive_unit_tests.rs:945:29
[INFO] [stdout]     |
[INFO] [stdout] 945 |     let frame: StackFrame = serde_json::from_str(json)?;
[INFO] [stdout]     |                             ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/comprehensive_unit_tests.rs:957:26
[INFO] [stdout]     |
[INFO] [stdout] 957 |     let source: Source = serde_json::from_str(json)?;
[INFO] [stdout]     |                          ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `perl-dap-stack` (lib test) due to 7 previous errors
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/comprehensive_unit_tests.rs:984:29
[INFO] [stdout]     |
[INFO] [stdout] 984 |     let frame: StackFrame = serde_json::from_str(json)?;
[INFO] [stdout]     |                             ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/comprehensive_unit_tests.rs:265:49
[INFO] [stdout]     |
[INFO] [stdout] 265 | fn stack_frame_serde_round_trip() -> Result<(), serde_json::Error> {
[INFO] [stdout]     |                                                 ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/comprehensive_unit_tests.rs:334:51
[INFO] [stdout]     |
[INFO] [stdout] 334 | fn source_serde_skips_none_fields() -> Result<(), serde_json::Error> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/comprehensive_unit_tests.rs:964:60
[INFO] [stdout]     |
[INFO] [stdout] 964 | fn stack_frame_deserialize_with_all_fields() -> Result<(), serde_json::Error> {
[INFO] [stdout]     |                                                            ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/comprehensive_unit_tests.rs:287:56
[INFO] [stdout]     |
[INFO] [stdout] 287 | fn stack_frame_serde_skips_none_fields() -> Result<(), serde_json::Error> {
[INFO] [stdout]     |                                                        ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/comprehensive_unit_tests.rs:359:58
[INFO] [stdout]     |
[INFO] [stdout] 359 | fn source_presentation_hint_serde_values() -> Result<(), serde_json::Error> {
[INFO] [stdout]     |                                                          ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/comprehensive_unit_tests.rs:302:54
[INFO] [stdout]     |
[INFO] [stdout] 302 | fn stack_frame_serde_uses_camel_case() -> Result<(), serde_json::Error> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/comprehensive_unit_tests.rs:955:47
[INFO] [stdout]     |
[INFO] [stdout] 955 | fn source_deserialize_minimal() -> Result<(), serde_json::Error> {
[INFO] [stdout]     |                                               ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/comprehensive_unit_tests.rs:318:44
[INFO] [stdout]     |
[INFO] [stdout] 318 | fn source_serde_round_trip() -> Result<(), serde_json::Error> {
[INFO] [stdout]     |                                            ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/comprehensive_unit_tests.rs:347:51
[INFO] [stdout]     |
[INFO] [stdout] 347 | fn presentation_hint_serde_values() -> Result<(), serde_json::Error> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/comprehensive_unit_tests.rs:933:61
[INFO] [stdout]     |
[INFO] [stdout] 933 | fn stack_frame_deserialize_from_json_object() -> Result<(), serde_json::Error> {
[INFO] [stdout]     |                                                             ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `perl-dap-stack` (test "comprehensive_unit_tests") due to 26 previous errors
[INFO] running `Command { std: "docker" "inspect" "2360c566239259e1dd13f3d62dc5b4a8550a9e56ff751f2bbd2fca192af815d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2360c566239259e1dd13f3d62dc5b4a8550a9e56ff751f2bbd2fca192af815d2", kill_on_drop: false }`
[INFO] [stdout] 2360c566239259e1dd13f3d62dc5b4a8550a9e56ff751f2bbd2fca192af815d2
