[INFO] fetching crate boulder_derive 0.3.0...
[INFO] testing boulder_derive-0.3.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate boulder_derive 0.3.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate boulder_derive 0.3.0
[INFO] finished tweaking crates.io crate boulder_derive 0.3.0
[INFO] tweaked toml for crates.io crate boulder_derive 0.3.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate boulder_derive 0.3.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.110)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded persian-rug_derive v0.1.3
[INFO] [stderr]   Downloaded persian-rug v0.1.4
[INFO] [stderr]   Downloaded convert_case v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2308801c383d75ffc19611b6aff10cfb5cbad0ff77902608b8aaef5f533dc263
[INFO] running `Command { std: "docker" "start" "-a" "2308801c383d75ffc19611b6aff10cfb5cbad0ff77902608b8aaef5f533dc263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2308801c383d75ffc19611b6aff10cfb5cbad0ff77902608b8aaef5f533dc263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2308801c383d75ffc19611b6aff10cfb5cbad0ff77902608b8aaef5f533dc263", kill_on_drop: false }`
[INFO] [stdout] 2308801c383d75ffc19611b6aff10cfb5cbad0ff77902608b8aaef5f533dc263
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 540cc7e8ff19cc50d8fd9b86a74cf0e317720299f9e6b2215fab9dfb4babccff
[INFO] running `Command { std: "docker" "start" "-a" "540cc7e8ff19cc50d8fd9b86a74cf0e317720299f9e6b2215fab9dfb4babccff", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling boulder_derive v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `buildable` is never read
[INFO] [stdout]   --> src/attributes.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Buildable {
[INFO] [stdout]    |     --------- field in this variant
[INFO] [stdout] 19 |         buildable: syn::Ident,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `default` is never read
[INFO] [stdout]   --> src/attributes.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Default {
[INFO] [stdout]    |     ------- field in this variant
[INFO] [stdout] 23 |         default: syn::Ident,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sequence` is never read
[INFO] [stdout]   --> src/attributes.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Sequence {
[INFO] [stdout]    |     -------- field in this variant
[INFO] [stdout] 27 |         sequence: syn::Ident,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `generatable` is never read
[INFO] [stdout]   --> src/attributes.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Generatable {
[INFO] [stdout]    |     ----------- field in this variant
[INFO] [stdout] 31 |         generatable: syn::Ident,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `generator` is never read
[INFO] [stdout]   --> src/attributes.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Generator {
[INFO] [stdout]    |     --------- field in this variant
[INFO] [stdout] 35 |         generator: syn::Ident,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sequence_generator` is never read
[INFO] [stdout]   --> src/attributes.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     SequenceGenerator {
[INFO] [stdout]    |     ----------------- field in this variant
[INFO] [stdout] 39 |         sequence_generator: syn::Ident,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `initializers` is never read
[INFO] [stdout]   --> src/attributes.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     BuildableWithPersianRug {
[INFO] [stdout]    |     ----------------------- field in this variant
[INFO] [stdout] 44 |         buildable_with_persian_rug: syn::Ident,
[INFO] [stdout] 45 |         initializers: BTreeMap<syn::Ident, syn::Expr>,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expr` and `ty` are never read
[INFO] [stdout]   --> src/attributes.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     DefaultWithPersianRug {
[INFO] [stdout]    |     --------------------- fields in this variant
[INFO] [stdout] 48 |         default_with_persian_rug: syn::Ident,
[INFO] [stdout] 49 |         expr: syn::Expr,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 50 |         ty: Option<syn::Type>,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expr` and `ty` are never read
[INFO] [stdout]   --> src/attributes.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     SequenceWithPersianRug {
[INFO] [stdout]    |     ---------------------- fields in this variant
[INFO] [stdout] 53 |         sequence_with_persian_rug: syn::Ident,
[INFO] [stdout] 54 |         expr: syn::Expr,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 55 |         ty: Option<syn::Type>,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `initializers` is never read
[INFO] [stdout]   --> src/attributes.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     GeneratableWithPersianRug {
[INFO] [stdout]    |     ------------------------- field in this variant
[INFO] [stdout] 58 |         generatable_with_persian_rug: syn::Ident,
[INFO] [stdout] 59 |         initializers: BTreeMap<syn::Ident, syn::Expr>,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expr` and `ty` are never read
[INFO] [stdout]   --> src/attributes.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     GeneratorWithPersianRug {
[INFO] [stdout]    |     ----------------------- fields in this variant
[INFO] [stdout] 62 |         generator_with_persian_rug: syn::Ident,
[INFO] [stdout] 63 |         expr: syn::Expr,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 64 |         ty: Option<syn::Type>,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expr` and `ty` are never read
[INFO] [stdout]   --> src/attributes.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     SequenceGeneratorWithPersianRug {
[INFO] [stdout]    |     ------------------------------- fields in this variant
[INFO] [stdout] 67 |         sequence_generator_with_persian_rug: syn::Ident,
[INFO] [stdout] 68 |         expr: syn::Expr,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 69 |         ty: Option<syn::Type>,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ty` is never read
[INFO] [stdout]    --> src/attributes.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 217 |     Value {
[INFO] [stdout]     |     ----- field in this variant
[INFO] [stdout] 218 |         expr: Box<syn::Expr>,
[INFO] [stdout] 219 |         ty: Option<Box<syn::Type>>,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `needs_context` is never read
[INFO] [stdout]    --> src/attributes.rs:227:9
[INFO] [stdout]     |
[INFO] [stdout] 224 | pub struct BuilderData {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 227 |     pub needs_context: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ty` is never read
[INFO] [stdout]    --> src/attributes.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |     Generator {
[INFO] [stdout]     |     --------- field in this variant
[INFO] [stdout] 233 |         expr: Box<syn::Expr>,
[INFO] [stdout] 234 |         ty: Option<Box<syn::Type>>,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `needs_context` and `sequence_needs_context` are never read
[INFO] [stdout]    --> src/attributes.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 240 | pub struct GeneratorData {
[INFO] [stdout]     |            ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 243 |     pub needs_context: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 244 |     pub sequence_needs_context: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BuilderMetaWithPersianRug` is never constructed
[INFO] [stdout]    --> src/attributes.rs:341:12
[INFO] [stdout]     |
[INFO] [stdout] 341 | pub struct BuilderMetaWithPersianRug {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.89s
[INFO] running `Command { std: "docker" "inspect" "540cc7e8ff19cc50d8fd9b86a74cf0e317720299f9e6b2215fab9dfb4babccff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "540cc7e8ff19cc50d8fd9b86a74cf0e317720299f9e6b2215fab9dfb4babccff", kill_on_drop: false }`
[INFO] [stdout] 540cc7e8ff19cc50d8fd9b86a74cf0e317720299f9e6b2215fab9dfb4babccff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fb2919f870f360be48d72489b6eb7b1225ef5708b497004f2dd93cfffcda957
[INFO] running `Command { std: "docker" "start" "-a" "3fb2919f870f360be48d72489b6eb7b1225ef5708b497004f2dd93cfffcda957", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling convert_case v0.5.0
[INFO] [stderr]    Compiling persian-rug_derive v0.1.3
[INFO] [stderr]    Compiling boulder_derive v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling persian-rug v0.1.4
[INFO] [stdout] warning: field `buildable` is never read
[INFO] [stdout]   --> src/attributes.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Buildable {
[INFO] [stdout]    |     --------- field in this variant
[INFO] [stdout] 19 |         buildable: syn::Ident,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `default` is never read
[INFO] [stdout]   --> src/attributes.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Default {
[INFO] [stdout]    |     ------- field in this variant
[INFO] [stdout] 23 |         default: syn::Ident,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sequence` is never read
[INFO] [stdout]   --> src/attributes.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Sequence {
[INFO] [stdout]    |     -------- field in this variant
[INFO] [stdout] 27 |         sequence: syn::Ident,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `generatable` is never read
[INFO] [stdout]   --> src/attributes.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Generatable {
[INFO] [stdout]    |     ----------- field in this variant
[INFO] [stdout] 31 |         generatable: syn::Ident,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `generator` is never read
[INFO] [stdout]   --> src/attributes.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Generator {
[INFO] [stdout]    |     --------- field in this variant
[INFO] [stdout] 35 |         generator: syn::Ident,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sequence_generator` is never read
[INFO] [stdout]   --> src/attributes.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     SequenceGenerator {
[INFO] [stdout]    |     ----------------- field in this variant
[INFO] [stdout] 39 |         sequence_generator: syn::Ident,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `initializers` is never read
[INFO] [stdout]   --> src/attributes.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     BuildableWithPersianRug {
[INFO] [stdout]    |     ----------------------- field in this variant
[INFO] [stdout] 44 |         buildable_with_persian_rug: syn::Ident,
[INFO] [stdout] 45 |         initializers: BTreeMap<syn::Ident, syn::Expr>,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expr` and `ty` are never read
[INFO] [stdout]   --> src/attributes.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     DefaultWithPersianRug {
[INFO] [stdout]    |     --------------------- fields in this variant
[INFO] [stdout] 48 |         default_with_persian_rug: syn::Ident,
[INFO] [stdout] 49 |         expr: syn::Expr,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 50 |         ty: Option<syn::Type>,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expr` and `ty` are never read
[INFO] [stdout]   --> src/attributes.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     SequenceWithPersianRug {
[INFO] [stdout]    |     ---------------------- fields in this variant
[INFO] [stdout] 53 |         sequence_with_persian_rug: syn::Ident,
[INFO] [stdout] 54 |         expr: syn::Expr,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 55 |         ty: Option<syn::Type>,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `initializers` is never read
[INFO] [stdout]   --> src/attributes.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     GeneratableWithPersianRug {
[INFO] [stdout]    |     ------------------------- field in this variant
[INFO] [stdout] 58 |         generatable_with_persian_rug: syn::Ident,
[INFO] [stdout] 59 |         initializers: BTreeMap<syn::Ident, syn::Expr>,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expr` and `ty` are never read
[INFO] [stdout]   --> src/attributes.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     GeneratorWithPersianRug {
[INFO] [stdout]    |     ----------------------- fields in this variant
[INFO] [stdout] 62 |         generator_with_persian_rug: syn::Ident,
[INFO] [stdout] 63 |         expr: syn::Expr,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 64 |         ty: Option<syn::Type>,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expr` and `ty` are never read
[INFO] [stdout]   --> src/attributes.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     SequenceGeneratorWithPersianRug {
[INFO] [stdout]    |     ------------------------------- fields in this variant
[INFO] [stdout] 67 |         sequence_generator_with_persian_rug: syn::Ident,
[INFO] [stdout] 68 |         expr: syn::Expr,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 69 |         ty: Option<syn::Type>,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ty` is never read
[INFO] [stdout]    --> src/attributes.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 217 |     Value {
[INFO] [stdout]     |     ----- field in this variant
[INFO] [stdout] 218 |         expr: Box<syn::Expr>,
[INFO] [stdout] 219 |         ty: Option<Box<syn::Type>>,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `needs_context` is never read
[INFO] [stdout]    --> src/attributes.rs:227:9
[INFO] [stdout]     |
[INFO] [stdout] 224 | pub struct BuilderData {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 227 |     pub needs_context: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ty` is never read
[INFO] [stdout]    --> src/attributes.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |     Generator {
[INFO] [stdout]     |     --------- field in this variant
[INFO] [stdout] 233 |         expr: Box<syn::Expr>,
[INFO] [stdout] 234 |         ty: Option<Box<syn::Type>>,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `needs_context` and `sequence_needs_context` are never read
[INFO] [stdout]    --> src/attributes.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 240 | pub struct GeneratorData {
[INFO] [stdout]     |            ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 243 |     pub needs_context: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 244 |     pub sequence_needs_context: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BuilderMetaWithPersianRug` is never constructed
[INFO] [stdout]    --> src/attributes.rs:341:12
[INFO] [stdout]     |
[INFO] [stdout] 341 | pub struct BuilderMetaWithPersianRug {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `buildable` is never read
[INFO] [stdout]   --> src/attributes.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Buildable {
[INFO] [stdout]    |     --------- field in this variant
[INFO] [stdout] 19 |         buildable: syn::Ident,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `default` is never read
[INFO] [stdout]   --> src/attributes.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Default {
[INFO] [stdout]    |     ------- field in this variant
[INFO] [stdout] 23 |         default: syn::Ident,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sequence` is never read
[INFO] [stdout]   --> src/attributes.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Sequence {
[INFO] [stdout]    |     -------- field in this variant
[INFO] [stdout] 27 |         sequence: syn::Ident,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `generatable` is never read
[INFO] [stdout]   --> src/attributes.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Generatable {
[INFO] [stdout]    |     ----------- field in this variant
[INFO] [stdout] 31 |         generatable: syn::Ident,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `generator` is never read
[INFO] [stdout]   --> src/attributes.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Generator {
[INFO] [stdout]    |     --------- field in this variant
[INFO] [stdout] 35 |         generator: syn::Ident,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sequence_generator` is never read
[INFO] [stdout]   --> src/attributes.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     SequenceGenerator {
[INFO] [stdout]    |     ----------------- field in this variant
[INFO] [stdout] 39 |         sequence_generator: syn::Ident,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `initializers` is never read
[INFO] [stdout]   --> src/attributes.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     BuildableWithPersianRug {
[INFO] [stdout]    |     ----------------------- field in this variant
[INFO] [stdout] 44 |         buildable_with_persian_rug: syn::Ident,
[INFO] [stdout] 45 |         initializers: BTreeMap<syn::Ident, syn::Expr>,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expr` and `ty` are never read
[INFO] [stdout]   --> src/attributes.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     DefaultWithPersianRug {
[INFO] [stdout]    |     --------------------- fields in this variant
[INFO] [stdout] 48 |         default_with_persian_rug: syn::Ident,
[INFO] [stdout] 49 |         expr: syn::Expr,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 50 |         ty: Option<syn::Type>,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expr` and `ty` are never read
[INFO] [stdout]   --> src/attributes.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     SequenceWithPersianRug {
[INFO] [stdout]    |     ---------------------- fields in this variant
[INFO] [stdout] 53 |         sequence_with_persian_rug: syn::Ident,
[INFO] [stdout] 54 |         expr: syn::Expr,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 55 |         ty: Option<syn::Type>,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `initializers` is never read
[INFO] [stdout]   --> src/attributes.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     GeneratableWithPersianRug {
[INFO] [stdout]    |     ------------------------- field in this variant
[INFO] [stdout] 58 |         generatable_with_persian_rug: syn::Ident,
[INFO] [stdout] 59 |         initializers: BTreeMap<syn::Ident, syn::Expr>,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expr` and `ty` are never read
[INFO] [stdout]   --> src/attributes.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     GeneratorWithPersianRug {
[INFO] [stdout]    |     ----------------------- fields in this variant
[INFO] [stdout] 62 |         generator_with_persian_rug: syn::Ident,
[INFO] [stdout] 63 |         expr: syn::Expr,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 64 |         ty: Option<syn::Type>,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expr` and `ty` are never read
[INFO] [stdout]   --> src/attributes.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     SequenceGeneratorWithPersianRug {
[INFO] [stdout]    |     ------------------------------- fields in this variant
[INFO] [stdout] 67 |         sequence_generator_with_persian_rug: syn::Ident,
[INFO] [stdout] 68 |         expr: syn::Expr,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 69 |         ty: Option<syn::Type>,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ty` is never read
[INFO] [stdout]    --> src/attributes.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 217 |     Value {
[INFO] [stdout]     |     ----- field in this variant
[INFO] [stdout] 218 |         expr: Box<syn::Expr>,
[INFO] [stdout] 219 |         ty: Option<Box<syn::Type>>,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `needs_context` is never read
[INFO] [stdout]    --> src/attributes.rs:227:9
[INFO] [stdout]     |
[INFO] [stdout] 224 | pub struct BuilderData {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 227 |     pub needs_context: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ty` is never read
[INFO] [stdout]    --> src/attributes.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |     Generator {
[INFO] [stdout]     |     --------- field in this variant
[INFO] [stdout] 233 |         expr: Box<syn::Expr>,
[INFO] [stdout] 234 |         ty: Option<Box<syn::Type>>,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `needs_context` and `sequence_needs_context` are never read
[INFO] [stdout]    --> src/attributes.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 240 | pub struct GeneratorData {
[INFO] [stdout]     |            ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 243 |     pub needs_context: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 244 |     pub sequence_needs_context: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BuilderMetaWithPersianRug` is never constructed
[INFO] [stdout]    --> src/attributes.rs:341:12
[INFO] [stdout]     |
[INFO] [stdout] 341 | pub struct BuilderMetaWithPersianRug {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.25s
[INFO] running `Command { std: "docker" "inspect" "3fb2919f870f360be48d72489b6eb7b1225ef5708b497004f2dd93cfffcda957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fb2919f870f360be48d72489b6eb7b1225ef5708b497004f2dd93cfffcda957", kill_on_drop: false }`
[INFO] [stdout] 3fb2919f870f360be48d72489b6eb7b1225ef5708b497004f2dd93cfffcda957
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5b7948796130c243e3750c2257dbb35b20fa65f1412354a4917e79e521f90be9
[INFO] running `Command { std: "docker" "start" "-a" "5b7948796130c243e3750c2257dbb35b20fa65f1412354a4917e79e521f90be9", kill_on_drop: false }`
[INFO] [stderr] warning: field `buildable` is never read
[INFO] [stderr]   --> src/attributes.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Buildable {
[INFO] [stderr]    |     --------- field in this variant
[INFO] [stderr] 19 |         buildable: syn::Ident,
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `default` is never read
[INFO] [stderr]   --> src/attributes.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Default {
[INFO] [stderr]    |     ------- field in this variant
[INFO] [stderr] 23 |         default: syn::Ident,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `sequence` is never read
[INFO] [stderr]   --> src/attributes.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Sequence {
[INFO] [stderr]    |     -------- field in this variant
[INFO] [stderr] 27 |         sequence: syn::Ident,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `generatable` is never read
[INFO] [stderr]   --> src/attributes.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Generatable {
[INFO] [stderr]    |     ----------- field in this variant
[INFO] [stderr] 31 |         generatable: syn::Ident,
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `generator` is never read
[INFO] [stderr]   --> src/attributes.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     Generator {
[INFO] [stderr]    |     --------- field in this variant
[INFO] [stderr] 35 |         generator: syn::Ident,
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `sequence_generator` is never read
[INFO] [stderr]   --> src/attributes.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     SequenceGenerator {
[INFO] [stderr]    |     ----------------- field in this variant
[INFO] [stderr] 39 |         sequence_generator: syn::Ident,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `initializers` is never read
[INFO] [stderr]   --> src/attributes.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |     BuildableWithPersianRug {
[INFO] [stderr]    |     ----------------------- field in this variant
[INFO] [stderr] 44 |         buildable_with_persian_rug: syn::Ident,
[INFO] [stderr] 45 |         initializers: BTreeMap<syn::Ident, syn::Expr>,
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `expr` and `ty` are never read
[INFO] [stderr]   --> src/attributes.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     DefaultWithPersianRug {
[INFO] [stderr]    |     --------------------- fields in this variant
[INFO] [stderr] 48 |         default_with_persian_rug: syn::Ident,
[INFO] [stderr] 49 |         expr: syn::Expr,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 50 |         ty: Option<syn::Type>,
[INFO] [stderr]    |         ^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `expr` and `ty` are never read
[INFO] [stderr]   --> src/attributes.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |     SequenceWithPersianRug {
[INFO] [stderr]    |     ---------------------- fields in this variant
[INFO] [stderr] 53 |         sequence_with_persian_rug: syn::Ident,
[INFO] [stderr] 54 |         expr: syn::Expr,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 55 |         ty: Option<syn::Type>,
[INFO] [stderr]    |         ^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `initializers` is never read
[INFO] [stderr]   --> src/attributes.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |     GeneratableWithPersianRug {
[INFO] [stderr]    |     ------------------------- field in this variant
[INFO] [stderr] 58 |         generatable_with_persian_rug: syn::Ident,
[INFO] [stderr] 59 |         initializers: BTreeMap<syn::Ident, syn::Expr>,
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `expr` and `ty` are never read
[INFO] [stderr]   --> src/attributes.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |     GeneratorWithPersianRug {
[INFO] [stderr]    |     ----------------------- fields in this variant
[INFO] [stderr] 62 |         generator_with_persian_rug: syn::Ident,
[INFO] [stderr] 63 |         expr: syn::Expr,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 64 |         ty: Option<syn::Type>,
[INFO] [stderr]    |         ^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `expr` and `ty` are never read
[INFO] [stderr]   --> src/attributes.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |     SequenceGeneratorWithPersianRug {
[INFO] [stderr]    |     ------------------------------- fields in this variant
[INFO] [stderr] 67 |         sequence_generator_with_persian_rug: syn::Ident,
[INFO] [stderr] 68 |         expr: syn::Expr,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 69 |         ty: Option<syn::Type>,
[INFO] [stderr]    |         ^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `ty` is never read
[INFO] [stderr]    --> src/attributes.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |     Value {
[INFO] [stderr]     |     ----- field in this variant
[INFO] [stderr] 218 |         expr: Box<syn::Expr>,
[INFO] [stderr] 219 |         ty: Option<Box<syn::Type>>,
[INFO] [stderr]     |         ^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `needs_context` is never read
[INFO] [stderr]    --> src/attributes.rs:227:9
[INFO] [stderr]     |
[INFO] [stderr] 224 | pub struct BuilderData {
[INFO] [stderr]     |            ----------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 227 |     pub needs_context: bool,
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `ty` is never read
[INFO] [stderr]    --> src/attributes.rs:234:9
[INFO] [stderr]     |
[INFO] [stderr] 232 |     Generator {
[INFO] [stderr]     |     --------- field in this variant
[INFO] [stderr] 233 |         expr: Box<syn::Expr>,
[INFO] [stderr] 234 |         ty: Option<Box<syn::Type>>,
[INFO] [stderr]     |         ^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `needs_context` and `sequence_needs_context` are never read
[INFO] [stderr]    --> src/attributes.rs:243:9
[INFO] [stderr]     |
[INFO] [stderr] 240 | pub struct GeneratorData {
[INFO] [stderr]     |            ------------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 243 |     pub needs_context: bool,
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr] 244 |     pub sequence_needs_context: bool,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BuilderMetaWithPersianRug` is never constructed
[INFO] [stderr]    --> src/attributes.rs:341:12
[INFO] [stderr]     |
[INFO] [stderr] 341 | pub struct BuilderMetaWithPersianRug {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `boulder_derive` (lib) generated 17 warnings
[INFO] [stderr] warning: `boulder_derive` (lib test) generated 17 warnings (17 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/boulder_derive-4c63335fcc218940)
[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 boulder_derive
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - generatable (line 135) ... FAILED
[INFO] [stdout] test src/lib.rs - builder (line 43) ... FAILED
[INFO] [stdout] test src/lib.rs - string_pattern (line 201) ... FAILED
[INFO] [stdout] test src/lib.rs - repeat (line 221) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - generatable (line 135) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `boulder`
[INFO] [stdout]    --> src/lib.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 | use boulder::{Generatable, Generator, Inc};
[INFO] [stdout]     |     ^^^^^^^ use of unresolved module or unlinked crate `boulder`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `boulder`, use `cargo add boulder` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `boulder` in this scope
[INFO] [stdout]    --> src/lib.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 143 |   #[boulder(generator=Inc(5))]
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `boulder` is an attribute that can be used by the derive macros `Buildable` and `Generatable`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `boulder` in this scope
[INFO] [stdout]    --> src/lib.rs:150:5
[INFO] [stdout]     |
[INFO] [stdout] 150 |   #[boulder(generatable)]
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `boulder` is an attribute that can be used by the derive macros `Buildable` and `Generatable`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `boulder` in this scope
[INFO] [stdout]    --> src/lib.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 |   #[boulder(generatable(a=Inc(1)))]
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `boulder` is an attribute that can be used by the derive macros `Buildable` and `Generatable`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `boulder` in this scope
[INFO] [stdout]    --> src/lib.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 157 |   #[boulder(generatable, sequence_generator=Inc(0usize))]
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `boulder` is an attribute that can be used by the derive macros `Buildable` and `Generatable`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `boulder` in this scope
[INFO] [stdout]    --> src/lib.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 160 |   #[boulder(sequence=1)]
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `boulder` is an attribute that can be used by the derive macros `Buildable` and `Generatable`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `generator` found for struct `Bar` in the current scope
[INFO] [stdout]    --> src/lib.rs:164:20
[INFO] [stdout]     |
[INFO] [stdout] 148 | struct Bar {
[INFO] [stdout]     | ---------- function or associated item `generator` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 164 | let mut gen = Bar::generator();
[INFO] [stdout]     |                    ^^^^^^^^^ function or associated item not found in `Bar`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - builder (line 43) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `boulder`
[INFO] [stdout]   --> src/lib.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | use boulder::{Buildable, Generatable, Builder};
[INFO] [stdout]    |     ^^^^^^^ use of unresolved module or unlinked crate `boulder`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `boulder`, use `cargo add boulder` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `boulder` in this scope
[INFO] [stdout]   --> src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |   #[boulder(default=6-1)]
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `boulder` is an attribute that can be used by the derive macros `Buildable` and `Generatable`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `boulder` in this scope
[INFO] [stdout]   --> src/lib.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |   #[boulder(buildable)]
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `boulder` is an attribute that can be used by the derive macros `Buildable` and `Generatable`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `boulder` in this scope
[INFO] [stdout]   --> src/lib.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |   #[boulder(buildable(a=1))]
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `boulder` is an attribute that can be used by the derive macros `Buildable` and `Generatable`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `boulder` in this scope
[INFO] [stdout]   --> src/lib.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |   #[boulder(buildable, sequence=2)]
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `boulder` is an attribute that can be used by the derive macros `Buildable` and `Generatable`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `boulder` in this scope
[INFO] [stdout]   --> src/lib.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |   #[boulder(sequence=1)]
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `boulder` is an attribute that can be used by the derive macros `Buildable` and `Generatable`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `builder` found for struct `Foo` in the current scope
[INFO] [stdout]   --> src/lib.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 47 | struct Foo {
[INFO] [stdout]    | ---------- function or associated item `builder` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 71 | let foo = Foo::builder().build();
[INFO] [stdout]    |                ^^^^^^^ function or associated item not found in `Foo`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `builder` found for struct `Bar` in the current scope
[INFO] [stdout]   --> src/lib.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct Bar {
[INFO] [stdout]    | ---------- function or associated item `builder` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 74 | let bar = Bar::builder().build();
[INFO] [stdout]    |                ^^^^^^^ function or associated item not found in `Bar`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - string_pattern (line 201) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `boulder`
[INFO] [stdout]    --> src/lib.rs:202:5
[INFO] [stdout]     |
[INFO] [stdout] 202 | use boulder::{Const, Generator, Inc, Pattern};
[INFO] [stdout]     |     ^^^^^^^ use of unresolved module or unlinked crate `boulder`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `boulder`, use `cargo add boulder` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - repeat (line 221) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `boulder`
[INFO] [stdout]    --> src/lib.rs:222:5
[INFO] [stdout]     |
[INFO] [stdout] 222 | use boulder::{Generatable, Generator, Repeat};
[INFO] [stdout]     |     ^^^^^^^ use of unresolved module or unlinked crate `boulder`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `boulder`, use `cargo add boulder` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `boulder` in this scope
[INFO] [stdout]    --> src/lib.rs:226:6
[INFO] [stdout]     |
[INFO] [stdout] 226 |    #[boulder(generator=Repeat!("hi", "bye"))]
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `boulder` is an attribute that can be used by the derive macros `Buildable` and `Generatable`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `generator` found for struct `Foo` in the current scope
[INFO] [stdout]    --> src/lib.rs:230:18
[INFO] [stdout]     |
[INFO] [stdout] 225 | struct Foo {
[INFO] [stdout]     | ---------- function or associated item `generator` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 230 | let mut g = Foo::generator();
[INFO] [stdout]     |                  ^^^^^^^^^ function or associated item not found in `Foo`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - builder (line 43)
[INFO] [stdout]     src/lib.rs - generatable (line 135)
[INFO] [stdout]     src/lib.rs - repeat (line 221)
[INFO] [stdout]     src/lib.rs - string_pattern (line 201)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "5b7948796130c243e3750c2257dbb35b20fa65f1412354a4917e79e521f90be9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b7948796130c243e3750c2257dbb35b20fa65f1412354a4917e79e521f90be9", kill_on_drop: false }`
[INFO] [stdout] 5b7948796130c243e3750c2257dbb35b20fa65f1412354a4917e79e521f90be9