[INFO] fetching crate dtd 0.1.0...
[INFO] checking dtd-0.1.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate dtd 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate dtd 0.1.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dtd 0.1.0
[INFO] finished tweaking crates.io crate dtd 0.1.0
[INFO] tweaked toml for crates.io crate dtd 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 896f8ad6ae45cb82c18c8803126f87491d1fa04a45dd139996d4070475aa8516
[INFO] running `Command { std: "docker" "start" "-a" "896f8ad6ae45cb82c18c8803126f87491d1fa04a45dd139996d4070475aa8516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "896f8ad6ae45cb82c18c8803126f87491d1fa04a45dd139996d4070475aa8516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "896f8ad6ae45cb82c18c8803126f87491d1fa04a45dd139996d4070475aa8516", kill_on_drop: false }`
[INFO] [stdout] 896f8ad6ae45cb82c18c8803126f87491d1fa04a45dd139996d4070475aa8516
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d98b4e874a347a93c0ae148ff64aeaa04f232b9e1dd1b70ab4d153df7ba1890
[INFO] running `Command { std: "docker" "start" "-a" "8d98b4e874a347a93c0ae148ff64aeaa04f232b9e1dd1b70ab4d153df7ba1890", kill_on_drop: false }`
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]     Checking dtd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read src/../ldml.dtd: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:282:19
[INFO] [stdout]     |
[INFO] [stdout] 282 |         parse_dtd(include_str!("../ldml.dtd"));
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/../ldml.dtd: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:581:30
[INFO] [stdout]     |
[INFO] [stdout] 581 |         let tags = parse_dtd(include_str!("../ldml.dtd")).unwrap();
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `character::is_space`, `combinator::all_consuming`, `map_res`, `not`, `take_while_m_n`, `tuple`
[INFO] [stdout]  --> src/lib.rs:3:52
[INFO] [stdout]   |
[INFO] [stdout] 3 |     bytes::complete::{tag, take_until, take_while, take_while_m_n},
[INFO] [stdout]   |                                                    ^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     character::is_space,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 |     combinator::all_consuming,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     combinator::{map_res, not},
[INFO] [stdout]   |                  ^^^^^^^  ^^^
[INFO] [stdout] 7 |     multi::separated_list,
[INFO] [stdout] 8 |     sequence::{delimited, tuple},
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Element`, `parse_dtd`
[INFO] [stdout]    --> src/lib.rs:287:17
[INFO] [stdout]     |
[INFO] [stdout] 287 |     use super::{parse_dtd, AttListDefault, Element, ElementChild, Optionality, Tag};
[INFO] [stdout]     |                 ^^^^^^^^^                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `character::is_space`, `combinator::all_consuming`, `map_res`, `not`, `take_while_m_n`, `tuple`
[INFO] [stdout]  --> src/lib.rs:3:52
[INFO] [stdout]   |
[INFO] [stdout] 3 |     bytes::complete::{tag, take_until, take_while, take_while_m_n},
[INFO] [stdout]   |                                                    ^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     character::is_space,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 |     combinator::all_consuming,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     combinator::{map_res, not},
[INFO] [stdout]   |                  ^^^^^^^  ^^^
[INFO] [stdout] 7 |     multi::separated_list,
[INFO] [stdout] 8 |     sequence::{delimited, tuple},
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Element`
[INFO] [stdout]    --> src/lib.rs:287:44
[INFO] [stdout]     |
[INFO] [stdout] 287 |     use super::{parse_dtd, AttListDefault, Element, ElementChild, Optionality, Tag};
[INFO] [stdout]     |                                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/lib.rs:91:25
[INFO] [stdout]    |
[INFO] [stdout] 91 |             let (input, value) = take_until(" ")(input)?;
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/lib.rs:91:25
[INFO] [stdout]    |
[INFO] [stdout] 91 |             let (input, value) = take_until(" ")(input)?;
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let mut input = input.trim();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let mut input = input.trim();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:176:14
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let (mut inner_input, child) = take_while(|x| x != ',' && x != '|' && x != ')')(input)?;
[INFO] [stdout]     |              ----^^^^^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:176:14
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let (mut inner_input, child) = take_while(|x| x != ',' && x != '|' && x != ')')(input)?;
[INFO] [stdout]     |              ----^^^^^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lib.rs:269:17
[INFO] [stdout]     |
[INFO] [stdout] 269 |             Err(e) => {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lib.rs:269:17
[INFO] [stdout]     |
[INFO] [stdout] 269 |             Err(e) => {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Element` is never constructed
[INFO] [stdout]   --> src/lib.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Element {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Optionality` is never used
[INFO] [stdout]   --> src/lib.rs:19:6
[INFO] [stdout]    |
[INFO] [stdout] 19 | enum Optionality {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ElementChild` is never used
[INFO] [stdout]   --> src/lib.rs:27:6
[INFO] [stdout]    |
[INFO] [stdout] 27 | enum ElementChild {
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AttListValue` is never used
[INFO] [stdout]   --> src/lib.rs:36:6
[INFO] [stdout]    |
[INFO] [stdout] 36 | enum AttListValue {
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AttListDefault` is never used
[INFO] [stdout]   --> src/lib.rs:48:6
[INFO] [stdout]    |
[INFO] [stdout] 48 | enum AttListDefault {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AttList` is never constructed
[INFO] [stdout]   --> src/lib.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct AttList {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Tag` is never used
[INFO] [stdout]   --> src/lib.rs:64:6
[INFO] [stdout]    |
[INFO] [stdout] 64 | enum Tag {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_attlist_values` is never used
[INFO] [stdout]   --> src/lib.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn parse_attlist_values(input: &str) -> IResult<&str, Vec<&str>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_attlist` is never used
[INFO] [stdout]   --> src/lib.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn parse_attlist(input: &str) -> IResult<&str, AttList> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `optionality` is never used
[INFO] [stdout]    --> src/lib.rs:119:4
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn optionality(ch: char) -> Optionality {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_op_suffix` is never used
[INFO] [stdout]    --> src/lib.rs:131:4
[INFO] [stdout]     |
[INFO] [stdout] 131 | fn parse_op_suffix(input: &str) -> IResult<&str, &str> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_element_child` is never used
[INFO] [stdout]    --> src/lib.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn parse_element_child(input: &str) -> IResult<&str, ElementChild> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `any_tag` is never used
[INFO] [stdout]    --> src/lib.rs:147:4
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn any_tag(input: &str) -> IResult<&str, &str> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `empty_tag` is never used
[INFO] [stdout]    --> src/lib.rs:151:4
[INFO] [stdout]     |
[INFO] [stdout] 151 | fn empty_tag(input: &str) -> IResult<&str, &str> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_element_children` is never used
[INFO] [stdout]    --> src/lib.rs:155:4
[INFO] [stdout]     |
[INFO] [stdout] 155 | fn parse_element_children(mut input: &str) -> IResult<&str, ElementChild> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_element` is never used
[INFO] [stdout]    --> src/lib.rs:215:4
[INFO] [stdout]     |
[INFO] [stdout] 215 | fn parse_element(input: &str) -> IResult<&str, Element> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `start_tag` is never used
[INFO] [stdout]    --> src/lib.rs:232:4
[INFO] [stdout]     |
[INFO] [stdout] 232 | fn start_tag(input: &str) -> IResult<&str, &str> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_tag` is never used
[INFO] [stdout]    --> src/lib.rs:236:4
[INFO] [stdout]     |
[INFO] [stdout] 236 | fn parse_tag(input: &str) -> IResult<&str, Option<Tag>> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_dtd` is never used
[INFO] [stdout]    --> src/lib.rs:258:4
[INFO] [stdout]     |
[INFO] [stdout] 258 | fn parse_dtd(mut input: &str) -> Result<Vec<Tag>, ()> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `XmlField` is never constructed
[INFO] [stdout]    --> src/lib.rs:290:12
[INFO] [stdout]     |
[INFO] [stdout] 290 |     struct XmlField {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `XmlElement` is never constructed
[INFO] [stdout]    --> src/lib.rs:297:12
[INFO] [stdout]     |
[INFO] [stdout] 297 |     struct XmlElement {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `XmlTy` is never used
[INFO] [stdout]    --> src/lib.rs:304:10
[INFO] [stdout]     |
[INFO] [stdout] 304 |     enum XmlTy {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Gen` is never constructed
[INFO] [stdout]    --> src/lib.rs:315:12
[INFO] [stdout]     |
[INFO] [stdout] 315 |     struct Gen {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `process`, `new`, `print`, and `generate` are never used
[INFO] [stdout]    --> src/lib.rs:320:12
[INFO] [stdout]     |
[INFO] [stdout] 319 |     impl Gen {
[INFO] [stdout]     |     -------- associated items in this implementation
[INFO] [stdout] 320 |         fn process(&mut self, name: &str, child: ElementChild, depth: usize) -> Vec<XmlField> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 414 |         fn new() -> Gen {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 420 |         fn print(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 517 |         fn generate(&mut self, tags: Vec<Tag>) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dtd` (lib test) due to 3 previous errors; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8d98b4e874a347a93c0ae148ff64aeaa04f232b9e1dd1b70ab4d153df7ba1890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d98b4e874a347a93c0ae148ff64aeaa04f232b9e1dd1b70ab4d153df7ba1890", kill_on_drop: false }`
[INFO] [stdout] 8d98b4e874a347a93c0ae148ff64aeaa04f232b9e1dd1b70ab4d153df7ba1890
