[INFO] fetching crate nebula-derive 0.0.1... [INFO] testing nebula-derive-0.0.1 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate nebula-derive 0.0.1 into /workspace/builds/worker-6-tc2/source [INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain [INFO] started tweaking crates.io crate nebula-derive 0.0.1 [INFO] finished tweaking crates.io crate nebula-derive 0.0.1 [INFO] tweaked toml for crates.io crate nebula-derive 0.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate nebula-derive 0.0.1 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 10 packages to latest compatible versions [INFO] [stderr] Adding darling v0.14.4 (available: v0.21.3) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.108) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0eddcb00a7ccb836a5dfa74654263b817e1e049d3e86ba4a8c57bed734abd4f6 [INFO] running `Command { std: "docker" "start" "-a" "0eddcb00a7ccb836a5dfa74654263b817e1e049d3e86ba4a8c57bed734abd4f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0eddcb00a7ccb836a5dfa74654263b817e1e049d3e86ba4a8c57bed734abd4f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0eddcb00a7ccb836a5dfa74654263b817e1e049d3e86ba4a8c57bed734abd4f6", kill_on_drop: false }` [INFO] [stdout] 0eddcb00a7ccb836a5dfa74654263b817e1e049d3e86ba4a8c57bed734abd4f6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 25a86b371f8e2b76713634f8dfa544ecab105573d25431813889804116918cba [INFO] running `Command { std: "docker" "start" "-a" "25a86b371f8e2b76713634f8dfa544ecab105573d25431813889804116918cba", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling darling_core v0.14.4 [INFO] [stderr] Compiling darling_macro v0.14.4 [INFO] [stderr] Compiling darling v0.14.4 [INFO] [stderr] Compiling nebula-derive v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `LexError` [INFO] [stdout] --> src/lib.rs:9:24 [INFO] [stdout] | [INFO] [stdout] 9 | use proc_macro::{self, LexError}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `DataEnum`, `DataUnion`, `Ident`, and `Type` [INFO] [stdout] --> src/lib.rs:15:24 [INFO] [stdout] | [INFO] [stdout] 15 | parse_macro_input, DataEnum, DataUnion, DeriveInput, Field, FieldsNamed, FieldsUnnamed, Ident, [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^ ^^^^^ [INFO] [stdout] 16 | Type, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `getter` [INFO] [stdout] --> src/lib.rs:19:14 [INFO] [stdout] | [INFO] [stdout] 19 | macro_rules! getter { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `java_getter` [INFO] [stdout] --> src/lib.rs:29:14 [INFO] [stdout] | [INFO] [stdout] 29 | macro_rules! java_getter { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `setter` [INFO] [stdout] --> src/lib.rs:39:14 [INFO] [stdout] | [INFO] [stdout] 39 | macro_rules! setter { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `java_setter` [INFO] [stdout] --> src/lib.rs:49:14 [INFO] [stdout] | [INFO] [stdout] 49 | macro_rules! java_setter { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/lib.rs:139:17 [INFO] [stdout] | [INFO] [stdout] 139 | format!("a struct with {} unnamed fields", num_fields); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 139 | let _ = format!("a struct with {} unnamed fields", num_fields); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/lib.rs:143:17 [INFO] [stdout] | [INFO] [stdout] 143 | format!("a unit struct"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 143 | let _ = format!("a unit struct"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.94s [INFO] running `Command { std: "docker" "inspect" "25a86b371f8e2b76713634f8dfa544ecab105573d25431813889804116918cba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25a86b371f8e2b76713634f8dfa544ecab105573d25431813889804116918cba", kill_on_drop: false }` [INFO] [stdout] 25a86b371f8e2b76713634f8dfa544ecab105573d25431813889804116918cba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 59517668d14003679423f16d13dda87f2624ad21d326e3427041550d6ca7b317 [INFO] running `Command { std: "docker" "start" "-a" "59517668d14003679423f16d13dda87f2624ad21d326e3427041550d6ca7b317", kill_on_drop: false }` [INFO] [stderr] Compiling nebula-derive v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `LexError` [INFO] [stdout] --> src/lib.rs:9:24 [INFO] [stdout] | [INFO] [stdout] 9 | use proc_macro::{self, LexError}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `DataEnum`, `DataUnion`, `Ident`, and `Type` [INFO] [stdout] --> src/lib.rs:15:24 [INFO] [stdout] | [INFO] [stdout] 15 | parse_macro_input, DataEnum, DataUnion, DeriveInput, Field, FieldsNamed, FieldsUnnamed, Ident, [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^ ^^^^^ [INFO] [stdout] 16 | Type, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `getter` [INFO] [stdout] --> src/lib.rs:19:14 [INFO] [stdout] | [INFO] [stdout] 19 | macro_rules! getter { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `java_getter` [INFO] [stdout] --> src/lib.rs:29:14 [INFO] [stdout] | [INFO] [stdout] 29 | macro_rules! java_getter { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `setter` [INFO] [stdout] --> src/lib.rs:39:14 [INFO] [stdout] | [INFO] [stdout] 39 | macro_rules! setter { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `java_setter` [INFO] [stdout] --> src/lib.rs:49:14 [INFO] [stdout] | [INFO] [stdout] 49 | macro_rules! java_setter { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `LexError` [INFO] [stdout] --> src/lib.rs:9:24 [INFO] [stdout] | [INFO] [stdout] 9 | use proc_macro::{self, LexError}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `DataEnum`, `DataUnion`, `Ident`, and `Type` [INFO] [stdout] --> src/lib.rs:15:24 [INFO] [stdout] | [INFO] [stdout] 15 | parse_macro_input, DataEnum, DataUnion, DeriveInput, Field, FieldsNamed, FieldsUnnamed, Ident, [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^ ^^^^^ [INFO] [stdout] 16 | Type, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `getter` [INFO] [stdout] --> src/lib.rs:19:14 [INFO] [stdout] | [INFO] [stdout] 19 | macro_rules! getter { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `java_getter` [INFO] [stdout] --> src/lib.rs:29:14 [INFO] [stdout] | [INFO] [stdout] 29 | macro_rules! java_getter { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `setter` [INFO] [stdout] --> src/lib.rs:39:14 [INFO] [stdout] | [INFO] [stdout] 39 | macro_rules! setter { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `java_setter` [INFO] [stdout] --> src/lib.rs:49:14 [INFO] [stdout] | [INFO] [stdout] 49 | macro_rules! java_setter { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/lib.rs:139:17 [INFO] [stdout] | [INFO] [stdout] 139 | format!("a struct with {} unnamed fields", num_fields); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 139 | let _ = format!("a struct with {} unnamed fields", num_fields); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/lib.rs:143:17 [INFO] [stdout] | [INFO] [stdout] 143 | format!("a unit struct"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 143 | let _ = format!("a unit struct"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/lib.rs:139:17 [INFO] [stdout] | [INFO] [stdout] 139 | format!("a struct with {} unnamed fields", num_fields); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 139 | let _ = format!("a struct with {} unnamed fields", num_fields); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/lib.rs:143:17 [INFO] [stdout] | [INFO] [stdout] 143 | format!("a unit struct"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 143 | let _ = format!("a unit struct"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s [INFO] running `Command { std: "docker" "inspect" "59517668d14003679423f16d13dda87f2624ad21d326e3427041550d6ca7b317", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59517668d14003679423f16d13dda87f2624ad21d326e3427041550d6ca7b317", kill_on_drop: false }` [INFO] [stdout] 59517668d14003679423f16d13dda87f2624ad21d326e3427041550d6ca7b317 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 25c2fc2f3ad439b5e5a2b8d2c13fcad0de37441d5335d98a68443cb665300698 [INFO] running `Command { std: "docker" "start" "-a" "25c2fc2f3ad439b5e5a2b8d2c13fcad0de37441d5335d98a68443cb665300698", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `LexError` [INFO] [stderr] --> src/lib.rs:9:24 [INFO] [stderr] | [INFO] [stderr] 9 | use proc_macro::{self, LexError}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `DataEnum`, `DataUnion`, `Ident`, and `Type` [INFO] [stderr] --> src/lib.rs:15:24 [INFO] [stderr] | [INFO] [stderr] 15 | parse_macro_input, DataEnum, DataUnion, DeriveInput, Field, FieldsNamed, FieldsUnnamed, Ident, [INFO] [stderr] | ^^^^^^^^ ^^^^^^^^^ ^^^^^ [INFO] [stderr] 16 | Type, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused macro definition: `getter` [INFO] [stderr] --> src/lib.rs:19:14 [INFO] [stderr] | [INFO] [stderr] 19 | macro_rules! getter { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused macro definition: `java_getter` [INFO] [stderr] --> src/lib.rs:29:14 [INFO] [stderr] | [INFO] [stderr] 29 | macro_rules! java_getter { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused macro definition: `setter` [INFO] [stderr] --> src/lib.rs:39:14 [INFO] [stderr] | [INFO] [stderr] 39 | macro_rules! setter { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused macro definition: `java_setter` [INFO] [stderr] --> src/lib.rs:49:14 [INFO] [stderr] | [INFO] [stderr] 49 | macro_rules! java_setter { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `must_use` that must be used [INFO] [stderr] --> src/lib.rs:139:17 [INFO] [stderr] | [INFO] [stderr] 139 | format!("a struct with {} unnamed fields", num_fields); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 139 | let _ = format!("a struct with {} unnamed fields", num_fields); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `must_use` that must be used [INFO] [stderr] --> src/lib.rs:143:17 [INFO] [stderr] | [INFO] [stderr] 143 | format!("a unit struct"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 143 | let _ = format!("a unit struct"); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `nebula-derive` (lib) generated 8 warnings (run `cargo fix --lib -p nebula-derive` to apply 2 suggestions) [INFO] [stderr] warning: `nebula-derive` (lib test) generated 8 warnings (8 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nebula_derive-a385082b50290fe1) [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] Doc-tests nebula_derive [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 4) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "25c2fc2f3ad439b5e5a2b8d2c13fcad0de37441d5335d98a68443cb665300698", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25c2fc2f3ad439b5e5a2b8d2c13fcad0de37441d5335d98a68443cb665300698", kill_on_drop: false }` [INFO] [stdout] 25c2fc2f3ad439b5e5a2b8d2c13fcad0de37441d5335d98a68443cb665300698