[INFO] cloning repository https://github.com/achimcc/ink-backend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/achimcc/ink-backend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fachimcc%2Fink-backend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fachimcc%2Fink-backend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 723071bf4b38e7a5dd0eb340d15033ae04ed6dc4
[INFO] checking achimcc/ink-backend/723071bf4b38e7a5dd0eb340d15033ae04ed6dc4 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fachimcc%2Fink-backend" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/achimcc/ink-backend on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
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[INFO] finished tweaking git repo https://github.com/achimcc/ink-backend
[INFO] tweaked toml for git repo https://github.com/achimcc/ink-backend written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/achimcc/ink-backend 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stdout] warning: fields `name`, `version`, and `id` are never read
[INFO] [stdout]   --> src/sandbox.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct CrateInformation {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 27 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 28 |     pub version: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 29 |     pub id: String,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CrateInformation` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Version` is never constructed
[INFO] [stdout]   --> src/sandbox.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct Version {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Version` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cargo_ident` is never used
[INFO] [stdout]    --> src/sandbox.rs:443:8
[INFO] [stdout]     |
[INFO] [stdout] 442 | impl Edition {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] 443 |     fn cargo_ident(&self) -> &'static str {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cargo_ident` is never used
[INFO] [stdout]    --> src/sandbox.rs:482:8
[INFO] [stdout]     |
[INFO] [stdout] 481 | impl LibraryType {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] 482 |     fn cargo_ident(&self) -> &'static str {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DockerCommandExt` is never used
[INFO] [stdout]    --> src/sandbox.rs:496:7
[INFO] [stdout]     |
[INFO] [stdout] 496 | trait DockerCommandExt {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CrateTypeRequest` is never used
[INFO] [stdout]    --> src/sandbox.rs:532:7
[INFO] [stdout]     |
[INFO] [stdout] 532 | trait CrateTypeRequest {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `EditionRequest` is never used
[INFO] [stdout]    --> src/sandbox.rs:542:7
[INFO] [stdout]     |
[INFO] [stdout] 542 | trait EditionRequest {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BacktraceRequest` is never used
[INFO] [stdout]    --> src/sandbox.rs:552:7
[INFO] [stdout]     |
[INFO] [stdout] 552 | trait BacktraceRequest {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `crate_type`, `mode`, `edition`, `tests`, and `backtrace` are never read
[INFO] [stdout]    --> src/sandbox.rs:566:9
[INFO] [stdout]     |
[INFO] [stdout] 563 | pub struct CompileRequest {
[INFO] [stdout]     |            -------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 566 |     pub crate_type: CrateType,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 567 |     pub mode: Mode,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 568 |     pub edition: Option<Edition>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 569 |     pub tests: bool,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 570 |     pub backtrace: bool,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CompileRequest` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExecuteRequest` is never constructed
[INFO] [stdout]    --> src/sandbox.rs:601:12
[INFO] [stdout]     |
[INFO] [stdout] 601 | pub struct ExecuteRequest {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ExecuteRequest` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExecuteResponse` is never constructed
[INFO] [stdout]    --> src/sandbox.rs:630:12
[INFO] [stdout]     |
[INFO] [stdout] 630 | pub struct ExecuteResponse {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ExecuteResponse` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FormatRequest` is never constructed
[INFO] [stdout]    --> src/sandbox.rs:637:12
[INFO] [stdout]     |
[INFO] [stdout] 637 | pub struct FormatRequest {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FormatRequest` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FormatResponse` is never constructed
[INFO] [stdout]    --> src/sandbox.rs:649:12
[INFO] [stdout]     |
[INFO] [stdout] 649 | pub struct FormatResponse {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FormatResponse` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ClippyRequest` is never constructed
[INFO] [stdout]    --> src/sandbox.rs:657:12
[INFO] [stdout]     |
[INFO] [stdout] 657 | pub struct ClippyRequest {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ClippyRequest` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ClippyResponse` is never constructed
[INFO] [stdout]    --> src/sandbox.rs:676:12
[INFO] [stdout]     |
[INFO] [stdout] 676 | pub struct ClippyResponse {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ClippyResponse` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MiriRequest` is never constructed
[INFO] [stdout]    --> src/sandbox.rs:683:12
[INFO] [stdout]     |
[INFO] [stdout] 683 | pub struct MiriRequest {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MiriRequest` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MiriResponse` is never constructed
[INFO] [stdout]    --> src/sandbox.rs:695:12
[INFO] [stdout]     |
[INFO] [stdout] 695 | pub struct MiriResponse {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MiriResponse` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MacroExpansionRequest` is never constructed
[INFO] [stdout]    --> src/sandbox.rs:702:12
[INFO] [stdout]     |
[INFO] [stdout] 702 | pub struct MacroExpansionRequest {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MacroExpansionRequest` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MacroExpansionResponse` is never constructed
[INFO] [stdout]    --> src/sandbox.rs:714:12
[INFO] [stdout]     |
[INFO] [stdout] 714 | pub struct MacroExpansionResponse {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MacroExpansionResponse` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `version`, and `id` are never read
[INFO] [stdout]   --> src/sandbox.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct CrateInformation {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 27 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 28 |     pub version: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 29 |     pub id: String,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CrateInformation` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Version` is never constructed
[INFO] [stdout]   --> src/sandbox.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct Version {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Version` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cargo_ident` is never used
[INFO] [stdout]    --> src/sandbox.rs:443:8
[INFO] [stdout]     |
[INFO] [stdout] 442 | impl Edition {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] 443 |     fn cargo_ident(&self) -> &'static str {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cargo_ident` is never used
[INFO] [stdout]    --> src/sandbox.rs:482:8
[INFO] [stdout]     |
[INFO] [stdout] 481 | impl LibraryType {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] 482 |     fn cargo_ident(&self) -> &'static str {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DockerCommandExt` is never used
[INFO] [stdout]    --> src/sandbox.rs:496:7
[INFO] [stdout]     |
[INFO] [stdout] 496 | trait DockerCommandExt {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CrateTypeRequest` is never used
[INFO] [stdout]    --> src/sandbox.rs:532:7
[INFO] [stdout]     |
[INFO] [stdout] 532 | trait CrateTypeRequest {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `EditionRequest` is never used
[INFO] [stdout]    --> src/sandbox.rs:542:7
[INFO] [stdout]     |
[INFO] [stdout] 542 | trait EditionRequest {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BacktraceRequest` is never used
[INFO] [stdout]    --> src/sandbox.rs:552:7
[INFO] [stdout]     |
[INFO] [stdout] 552 | trait BacktraceRequest {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `crate_type`, `mode`, `edition`, `tests`, and `backtrace` are never read
[INFO] [stdout]    --> src/sandbox.rs:566:9
[INFO] [stdout]     |
[INFO] [stdout] 563 | pub struct CompileRequest {
[INFO] [stdout]     |            -------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 566 |     pub crate_type: CrateType,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 567 |     pub mode: Mode,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 568 |     pub edition: Option<Edition>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 569 |     pub tests: bool,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 570 |     pub backtrace: bool,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CompileRequest` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> src/sandbox.rs:602:9
[INFO] [stdout]     |
[INFO] [stdout] 601 | pub struct ExecuteRequest {
[INFO] [stdout]     |            -------------- fields in this struct
[INFO] [stdout] 602 |     pub channel: Channel,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 603 |     pub mode: Mode,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 604 |     pub edition: Option<Edition>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 605 |     pub crate_type: CrateType,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 606 |     pub tests: bool,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 607 |     pub backtrace: bool,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 608 |     pub code: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ExecuteRequest` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExecuteResponse` is never constructed
[INFO] [stdout]    --> src/sandbox.rs:630:12
[INFO] [stdout]     |
[INFO] [stdout] 630 | pub struct ExecuteResponse {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ExecuteResponse` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FormatRequest` is never constructed
[INFO] [stdout]    --> src/sandbox.rs:637:12
[INFO] [stdout]     |
[INFO] [stdout] 637 | pub struct FormatRequest {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FormatRequest` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FormatResponse` is never constructed
[INFO] [stdout]    --> src/sandbox.rs:649:12
[INFO] [stdout]     |
[INFO] [stdout] 649 | pub struct FormatResponse {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FormatResponse` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `code`, `edition`, and `crate_type` are never read
[INFO] [stdout]    --> src/sandbox.rs:658:9
[INFO] [stdout]     |
[INFO] [stdout] 657 | pub struct ClippyRequest {
[INFO] [stdout]     |            ------------- fields in this struct
[INFO] [stdout] 658 |     pub code: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 659 |     pub edition: Option<Edition>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 660 |     pub crate_type: CrateType,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ClippyRequest` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ClippyResponse` is never constructed
[INFO] [stdout]    --> src/sandbox.rs:676:12
[INFO] [stdout]     |
[INFO] [stdout] 676 | pub struct ClippyResponse {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ClippyResponse` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MiriRequest` is never constructed
[INFO] [stdout]    --> src/sandbox.rs:683:12
[INFO] [stdout]     |
[INFO] [stdout] 683 | pub struct MiriRequest {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MiriRequest` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MiriResponse` is never constructed
[INFO] [stdout]    --> src/sandbox.rs:695:12
[INFO] [stdout]     |
[INFO] [stdout] 695 | pub struct MiriResponse {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MiriResponse` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MacroExpansionRequest` is never constructed
[INFO] [stdout]    --> src/sandbox.rs:702:12
[INFO] [stdout]     |
[INFO] [stdout] 702 | pub struct MacroExpansionRequest {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MacroExpansionRequest` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MacroExpansionResponse` is never constructed
[INFO] [stdout]    --> src/sandbox.rs:714:12
[INFO] [stdout]     |
[INFO] [stdout] 714 | pub struct MacroExpansionResponse {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MacroExpansionResponse` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `one_test_at_a_time` is never used
[INFO] [stdout]    --> src/sandbox.rs:728:8
[INFO] [stdout]     |
[INFO] [stdout] 728 |     fn one_test_at_a_time() -> impl Drop {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0, typemap v0.3.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "4233b779dd50847139ad62202c4878edf42b4eac09828fdeadde9177bbd857bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4233b779dd50847139ad62202c4878edf42b4eac09828fdeadde9177bbd857bc", kill_on_drop: false }`
[INFO] [stdout] 4233b779dd50847139ad62202c4878edf42b4eac09828fdeadde9177bbd857bc