[INFO] fetching crate xmlschema 0.0.1...
[INFO] checking xmlschema-0.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate xmlschema 0.0.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate xmlschema 0.0.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xmlschema 0.0.1
[INFO] finished tweaking crates.io crate xmlschema 0.0.1
[INFO] tweaked toml for crates.io crate xmlschema 0.0.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 66 packages
[INFO] [stderr]       Adding anes v0.1.6 (latest: v0.2.0)
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[INFO] [stderr]       Adding criterion v0.4.0 (latest: v0.5.1)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding os_str_bytes v6.6.1 (latest: v7.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce3d50f5cc586344fffea7d32c4b9ee0e23cf50f85be9d9d795befe63fe13bac
[INFO] running `Command { std: "docker" "start" "-a" "ce3d50f5cc586344fffea7d32c4b9ee0e23cf50f85be9d9d795befe63fe13bac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce3d50f5cc586344fffea7d32c4b9ee0e23cf50f85be9d9d795befe63fe13bac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce3d50f5cc586344fffea7d32c4b9ee0e23cf50f85be9d9d795befe63fe13bac", kill_on_drop: false }`
[INFO] [stdout] ce3d50f5cc586344fffea7d32c4b9ee0e23cf50f85be9d9d795befe63fe13bac
[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_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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c72c5407c2516a7189ded17624c8a60fdd1383d91a56922243512037a254843d
[INFO] running `Command { std: "docker" "start" "-a" "c72c5407c2516a7189ded17624c8a60fdd1383d91a56922243512037a254843d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]    Compiling xmlschema v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stdout] warning: unused variable: `attr_name`
[INFO] [stdout]    --> src/lib.rs:310:45
[INFO] [stdout]     |
[INFO] [stdout] 310 |     fn parse_optional_attr_value(&mut self, attr_name: &str) -> Option<String> {
[INFO] [stdout]     |                                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attr_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `XmlSchemaNode` is never used
[INFO] [stdout]  --> src/lib.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum XmlSchemaNode {
[INFO] [stdout]   |      ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `XmlSchema` is never constructed
[INFO] [stdout]   --> src/lib.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct XmlSchema {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Element` is never constructed
[INFO] [stdout]   --> src/lib.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Element {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Datatype` is never used
[INFO] [stdout]   --> src/lib.rs:39:6
[INFO] [stdout]    |
[INFO] [stdout] 39 | enum Datatype {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Attribute` is never constructed
[INFO] [stdout]   --> src/lib.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | struct Attribute {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UseOption` is never used
[INFO] [stdout]   --> src/lib.rs:56:6
[INFO] [stdout]    |
[INFO] [stdout] 56 | enum UseOption {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleType` is never constructed
[INFO] [stdout]   --> src/lib.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | struct SimpleType {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SimpleDatatype` is never used
[INFO] [stdout]   --> src/lib.rs:68:6
[INFO] [stdout]    |
[INFO] [stdout] 68 | enum SimpleDatatype {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ComplexType` is never constructed
[INFO] [stdout]   --> src/lib.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 | struct ComplexType {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ComplexContent` is never used
[INFO] [stdout]   --> src/lib.rs:87:6
[INFO] [stdout]    |
[INFO] [stdout] 87 | enum ComplexContent {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleContent` is never constructed
[INFO] [stdout]    --> src/lib.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 | struct SimpleContent {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ComplexContentExtension` is never constructed
[INFO] [stdout]    --> src/lib.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 106 | struct ComplexContentExtension {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ComplexContentRestriction` is never constructed
[INFO] [stdout]    --> src/lib.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | struct ComplexContentRestriction {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `XmlSchemaParser` is never constructed
[INFO] [stdout]    --> src/lib.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | struct XmlSchemaParser<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/lib.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 122 | impl<'a> XmlSchemaParser<'a> {
[INFO] [stdout]     | ---------------------------- associated items in this implementation
[INFO] [stdout] 123 |     fn new(input: &'a str) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |     fn parse(&mut self) -> Result<XmlSchema, String> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 237 |     fn next_char(&mut self) -> Option<char> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 269 |     fn parse_tag_name(&mut self) -> Result<String, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 310 |     fn parse_optional_attr_value(&mut self, attr_name: &str) -> Option<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 361 |     fn parse_element(&mut self) -> Result<Element, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 410 |     fn parse_attribute(&mut self) -> Result<Attribute, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 461 |     fn parse_simple_type(&mut self) -> Result<SimpleType, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 537 |     fn parse_datatype_name(&mut self) -> Result<String, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 576 |     fn parse_complex_type(&mut self) -> Result<ComplexType, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 648 |     fn parse_sequence(&mut self) -> Result<Vec<XmlSchemaNode>, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 702 |     fn parse_choice(&mut self) -> Result<Vec<XmlSchemaNode>, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 756 |     fn parse_all(&mut self) -> Result<Vec<XmlSchemaNode>, String> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 810 |     fn parse_simple_content(&mut self) -> Result<SimpleContent, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 889 |     fn parse_complex_content_extension(&mut self) -> Result<ComplexContentExtension, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] warning: unused variable: `attr_name`
[INFO] [stdout]    --> src/lib.rs:310:45
[INFO] [stdout]     |
[INFO] [stdout] 310 |     fn parse_optional_attr_value(&mut self, attr_name: &str) -> Option<String> {
[INFO] [stdout]     |                                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attr_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `XmlSchemaNode` is never used
[INFO] [stdout]  --> src/lib.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum XmlSchemaNode {
[INFO] [stdout]   |      ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `XmlSchema` is never constructed
[INFO] [stdout]   --> src/lib.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct XmlSchema {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Element` is never constructed
[INFO] [stdout]   --> src/lib.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Element {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Datatype` is never used
[INFO] [stdout]   --> src/lib.rs:39:6
[INFO] [stdout]    |
[INFO] [stdout] 39 | enum Datatype {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Attribute` is never constructed
[INFO] [stdout]   --> src/lib.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | struct Attribute {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UseOption` is never used
[INFO] [stdout]   --> src/lib.rs:56:6
[INFO] [stdout]    |
[INFO] [stdout] 56 | enum UseOption {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleType` is never constructed
[INFO] [stdout]   --> src/lib.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | struct SimpleType {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SimpleDatatype` is never used
[INFO] [stdout]   --> src/lib.rs:68:6
[INFO] [stdout]    |
[INFO] [stdout] 68 | enum SimpleDatatype {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ComplexType` is never constructed
[INFO] [stdout]   --> src/lib.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 | struct ComplexType {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ComplexContent` is never used
[INFO] [stdout]   --> src/lib.rs:87:6
[INFO] [stdout]    |
[INFO] [stdout] 87 | enum ComplexContent {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleContent` is never constructed
[INFO] [stdout]    --> src/lib.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 | struct SimpleContent {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ComplexContentExtension` is never constructed
[INFO] [stdout]    --> src/lib.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 106 | struct ComplexContentExtension {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ComplexContentRestriction` is never constructed
[INFO] [stdout]    --> src/lib.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | struct ComplexContentRestriction {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `XmlSchemaParser` is never constructed
[INFO] [stdout]    --> src/lib.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | struct XmlSchemaParser<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/lib.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 122 | impl<'a> XmlSchemaParser<'a> {
[INFO] [stdout]     | ---------------------------- associated items in this implementation
[INFO] [stdout] 123 |     fn new(input: &'a str) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |     fn parse(&mut self) -> Result<XmlSchema, String> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 237 |     fn next_char(&mut self) -> Option<char> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 269 |     fn parse_tag_name(&mut self) -> Result<String, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 310 |     fn parse_optional_attr_value(&mut self, attr_name: &str) -> Option<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 361 |     fn parse_element(&mut self) -> Result<Element, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 410 |     fn parse_attribute(&mut self) -> Result<Attribute, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 461 |     fn parse_simple_type(&mut self) -> Result<SimpleType, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 537 |     fn parse_datatype_name(&mut self) -> Result<String, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 576 |     fn parse_complex_type(&mut self) -> Result<ComplexType, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 648 |     fn parse_sequence(&mut self) -> Result<Vec<XmlSchemaNode>, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 702 |     fn parse_choice(&mut self) -> Result<Vec<XmlSchemaNode>, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 756 |     fn parse_all(&mut self) -> Result<Vec<XmlSchemaNode>, String> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 810 |     fn parse_simple_content(&mut self) -> Result<SimpleContent, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 889 |     fn parse_complex_content_extension(&mut self) -> Result<ComplexContentExtension, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.66s
[INFO] running `Command { std: "docker" "inspect" "c72c5407c2516a7189ded17624c8a60fdd1383d91a56922243512037a254843d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c72c5407c2516a7189ded17624c8a60fdd1383d91a56922243512037a254843d", kill_on_drop: false }`
[INFO] [stdout] c72c5407c2516a7189ded17624c8a60fdd1383d91a56922243512037a254843d
[INFO] checking xmlschema-0.0.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate xmlschema 0.0.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate xmlschema 0.0.1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xmlschema 0.0.1
[INFO] finished tweaking crates.io crate xmlschema 0.0.1
[INFO] tweaked toml for crates.io crate xmlschema 0.0.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4621b9879ab20be025db68f87b6765dd6144cbfbc6a4eb634aaf66f459526343
[INFO] running `Command { std: "docker" "start" "-a" "4621b9879ab20be025db68f87b6765dd6144cbfbc6a4eb634aaf66f459526343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4621b9879ab20be025db68f87b6765dd6144cbfbc6a4eb634aaf66f459526343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4621b9879ab20be025db68f87b6765dd6144cbfbc6a4eb634aaf66f459526343", kill_on_drop: false }`
[INFO] [stdout] 4621b9879ab20be025db68f87b6765dd6144cbfbc6a4eb634aaf66f459526343
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6b3c9e9f566bc5d287d6778520381a3000fb981f8ab1cea109bcf9be218b01d
[INFO] running `Command { std: "docker" "start" "-a" "f6b3c9e9f566bc5d287d6778520381a3000fb981f8ab1cea109bcf9be218b01d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]    Compiling xmlschema v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stdout] warning: unused variable: `attr_name`
[INFO] [stdout]    --> src/lib.rs:310:45
[INFO] [stdout]     |
[INFO] [stdout] 310 |     fn parse_optional_attr_value(&mut self, attr_name: &str) -> Option<String> {
[INFO] [stdout]     |                                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attr_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `XmlSchemaNode` is never used
[INFO] [stdout]  --> src/lib.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum XmlSchemaNode {
[INFO] [stdout]   |      ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `XmlSchema` is never constructed
[INFO] [stdout]   --> src/lib.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct XmlSchema {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Element` is never constructed
[INFO] [stdout]   --> src/lib.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Element {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Datatype` is never used
[INFO] [stdout]   --> src/lib.rs:39:6
[INFO] [stdout]    |
[INFO] [stdout] 39 | enum Datatype {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Attribute` is never constructed
[INFO] [stdout]   --> src/lib.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | struct Attribute {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UseOption` is never used
[INFO] [stdout]   --> src/lib.rs:56:6
[INFO] [stdout]    |
[INFO] [stdout] 56 | enum UseOption {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleType` is never constructed
[INFO] [stdout]   --> src/lib.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | struct SimpleType {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SimpleDatatype` is never used
[INFO] [stdout]   --> src/lib.rs:68:6
[INFO] [stdout]    |
[INFO] [stdout] 68 | enum SimpleDatatype {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ComplexType` is never constructed
[INFO] [stdout]   --> src/lib.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 | struct ComplexType {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ComplexContent` is never used
[INFO] [stdout]   --> src/lib.rs:87:6
[INFO] [stdout]    |
[INFO] [stdout] 87 | enum ComplexContent {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleContent` is never constructed
[INFO] [stdout]    --> src/lib.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 | struct SimpleContent {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ComplexContentExtension` is never constructed
[INFO] [stdout]    --> src/lib.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 106 | struct ComplexContentExtension {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ComplexContentRestriction` is never constructed
[INFO] [stdout]    --> src/lib.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | struct ComplexContentRestriction {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `XmlSchemaParser` is never constructed
[INFO] [stdout]    --> src/lib.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | struct XmlSchemaParser<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/lib.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 122 | impl<'a> XmlSchemaParser<'a> {
[INFO] [stdout]     | ---------------------------- associated items in this implementation
[INFO] [stdout] 123 |     fn new(input: &'a str) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |     fn parse(&mut self) -> Result<XmlSchema, String> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 237 |     fn next_char(&mut self) -> Option<char> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 269 |     fn parse_tag_name(&mut self) -> Result<String, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 310 |     fn parse_optional_attr_value(&mut self, attr_name: &str) -> Option<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 361 |     fn parse_element(&mut self) -> Result<Element, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 410 |     fn parse_attribute(&mut self) -> Result<Attribute, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 461 |     fn parse_simple_type(&mut self) -> Result<SimpleType, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 537 |     fn parse_datatype_name(&mut self) -> Result<String, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 576 |     fn parse_complex_type(&mut self) -> Result<ComplexType, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 648 |     fn parse_sequence(&mut self) -> Result<Vec<XmlSchemaNode>, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 702 |     fn parse_choice(&mut self) -> Result<Vec<XmlSchemaNode>, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 756 |     fn parse_all(&mut self) -> Result<Vec<XmlSchemaNode>, String> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 810 |     fn parse_simple_content(&mut self) -> Result<SimpleContent, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 889 |     fn parse_complex_content_extension(&mut self) -> Result<ComplexContentExtension, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] warning: unused variable: `attr_name`
[INFO] [stdout]    --> src/lib.rs:310:45
[INFO] [stdout]     |
[INFO] [stdout] 310 |     fn parse_optional_attr_value(&mut self, attr_name: &str) -> Option<String> {
[INFO] [stdout]     |                                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attr_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `XmlSchemaNode` is never used
[INFO] [stdout]  --> src/lib.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum XmlSchemaNode {
[INFO] [stdout]   |      ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `XmlSchema` is never constructed
[INFO] [stdout]   --> src/lib.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct XmlSchema {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Element` is never constructed
[INFO] [stdout]   --> src/lib.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Element {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Datatype` is never used
[INFO] [stdout]   --> src/lib.rs:39:6
[INFO] [stdout]    |
[INFO] [stdout] 39 | enum Datatype {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Attribute` is never constructed
[INFO] [stdout]   --> src/lib.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | struct Attribute {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UseOption` is never used
[INFO] [stdout]   --> src/lib.rs:56:6
[INFO] [stdout]    |
[INFO] [stdout] 56 | enum UseOption {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleType` is never constructed
[INFO] [stdout]   --> src/lib.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | struct SimpleType {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SimpleDatatype` is never used
[INFO] [stdout]   --> src/lib.rs:68:6
[INFO] [stdout]    |
[INFO] [stdout] 68 | enum SimpleDatatype {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ComplexType` is never constructed
[INFO] [stdout]   --> src/lib.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 | struct ComplexType {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ComplexContent` is never used
[INFO] [stdout]   --> src/lib.rs:87:6
[INFO] [stdout]    |
[INFO] [stdout] 87 | enum ComplexContent {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleContent` is never constructed
[INFO] [stdout]    --> src/lib.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 | struct SimpleContent {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ComplexContentExtension` is never constructed
[INFO] [stdout]    --> src/lib.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 106 | struct ComplexContentExtension {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ComplexContentRestriction` is never constructed
[INFO] [stdout]    --> src/lib.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | struct ComplexContentRestriction {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `XmlSchemaParser` is never constructed
[INFO] [stdout]    --> src/lib.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | struct XmlSchemaParser<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/lib.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 122 | impl<'a> XmlSchemaParser<'a> {
[INFO] [stdout]     | ---------------------------- associated items in this implementation
[INFO] [stdout] 123 |     fn new(input: &'a str) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |     fn parse(&mut self) -> Result<XmlSchema, String> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 237 |     fn next_char(&mut self) -> Option<char> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 269 |     fn parse_tag_name(&mut self) -> Result<String, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 310 |     fn parse_optional_attr_value(&mut self, attr_name: &str) -> Option<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 361 |     fn parse_element(&mut self) -> Result<Element, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 410 |     fn parse_attribute(&mut self) -> Result<Attribute, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 461 |     fn parse_simple_type(&mut self) -> Result<SimpleType, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 537 |     fn parse_datatype_name(&mut self) -> Result<String, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 576 |     fn parse_complex_type(&mut self) -> Result<ComplexType, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 648 |     fn parse_sequence(&mut self) -> Result<Vec<XmlSchemaNode>, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 702 |     fn parse_choice(&mut self) -> Result<Vec<XmlSchemaNode>, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 756 |     fn parse_all(&mut self) -> Result<Vec<XmlSchemaNode>, String> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 810 |     fn parse_simple_content(&mut self) -> Result<SimpleContent, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 889 |     fn parse_complex_content_extension(&mut self) -> Result<ComplexContentExtension, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.52s
[INFO] running `Command { std: "docker" "inspect" "f6b3c9e9f566bc5d287d6778520381a3000fb981f8ab1cea109bcf9be218b01d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6b3c9e9f566bc5d287d6778520381a3000fb981f8ab1cea109bcf9be218b01d", kill_on_drop: false }`
[INFO] [stdout] f6b3c9e9f566bc5d287d6778520381a3000fb981f8ab1cea109bcf9be218b01d