[INFO] cloning repository https://github.com/sor4chi/browser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sor4chi/browser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsor4chi%2Fbrowser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsor4chi%2Fbrowser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db5374644eed3f111a3057729ed009ca603b6be4
[INFO] checking sor4chi/browser against try#e622d8d7bed4f2668d446e06c6c1436ecae15796 for pr-156776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsor4chi%2Fbrowser" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sor4chi/browser
[INFO] finished tweaking git repo https://github.com/sor4chi/browser
[INFO] tweaked toml for git repo https://github.com/sor4chi/browser written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sor4chi/browser on toolchain e622d8d7bed4f2668d446e06c6c1436ecae15796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e622d8d7bed4f2668d446e06c6c1436ecae15796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sor4chi/browser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e622d8d7bed4f2668d446e06c6c1436ecae15796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+e622d8d7bed4f2668d446e06c6c1436ecae15796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 708cafc6c26ff492649321dd81383668cfb731a793f86cdb2891dd4df2a9a40d
[INFO] running `Command { std: "docker" "start" "-a" "708cafc6c26ff492649321dd81383668cfb731a793f86cdb2891dd4df2a9a40d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "708cafc6c26ff492649321dd81383668cfb731a793f86cdb2891dd4df2a9a40d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "708cafc6c26ff492649321dd81383668cfb731a793f86cdb2891dd4df2a9a40d", kill_on_drop: false }`
[INFO] [stdout] 708cafc6c26ff492649321dd81383668cfb731a793f86cdb2891dd4df2a9a40d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+e622d8d7bed4f2668d446e06c6c1436ecae15796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90cadbb78a3f19c041c99c5a2cde888ed5a51cde9461a33e396ca3b6a90a7af3
[INFO] running `Command { std: "docker" "start" "-a" "90cadbb78a3f19c041c99c5a2cde888ed5a51cde9461a33e396ca3b6a90a7af3", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Checking dom_parser v0.1.0 (/opt/rustwide/workdir/dom_parser)
[INFO] [stdout] warning: unused import: `crate::attribute::Attribute`
[INFO] [stdout]  --> dom_parser/src/parser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::attribute::Attribute;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> dom_parser/src/parser.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::tokenizer::{Token, Tokenizer};
[INFO] [stdout]   |                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::attribute::Attribute`
[INFO] [stdout]  --> dom_parser/src/parser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::attribute::Attribute;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> dom_parser/src/parser.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::tokenizer::{Token, Tokenizer};
[INFO] [stdout]   |                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> dom_parser/src/tokenizer.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let a = self.next_char(); // <
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Node` is never used
[INFO] [stdout]  --> dom_parser/src/parser.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Node {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ElementData` is never constructed
[INFO] [stdout]   --> dom_parser/src/parser.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct ElementData {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]   --> dom_parser/src/parser.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Parser<'a> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `parse_nodes` are never used
[INFO] [stdout]   --> dom_parser/src/parser.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Parser<'_> {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 24 |     pub fn new(input: &str) -> Parser {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn parse_nodes(&mut self) -> Result<Vec<Node>, String> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Token` is never used
[INFO] [stdout]  --> dom_parser/src/tokenizer.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Token {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tokenizer` is never constructed
[INFO] [stdout]   --> dom_parser/src/tokenizer.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Tokenizer<'a> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> dom_parser/src/tokenizer.rs:17:12
[INFO] [stdout]     |
[INFO] [stdout]  16 | impl<'a> Tokenizer<'a> {
[INFO] [stdout]     | ---------------------- associated items in this implementation
[INFO] [stdout]  17 |     pub fn new(input: &'a str) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  24 |     fn next_char(&mut self) -> Option<char> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  29 |     fn peek_char(&mut self) -> Option<&char> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  33 |     fn parse_text(&mut self) -> Token {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  44 |     fn parse_tag(&mut self) -> Token {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  66 |     fn parse_tag_name(&mut self) -> Tag {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  77 |     fn parse_attributes(&mut self) -> Vec<Attribute> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  92 |     fn parse_attribute(&mut self) -> Attribute {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  99 |     fn parse_attribute_name(&mut self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     fn parse_attribute_value(&mut self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn next_token(&mut self) -> Option<Token> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Tag` is never used
[INFO] [stdout]  --> dom_parser/src/tag.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Tag {
[INFO] [stdout]   |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> dom_parser/src/tag.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Tag {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 13 |     pub fn new(tag: &str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Attribute` is never used
[INFO] [stdout]  --> dom_parser/src/attribute.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Attribute {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> dom_parser/src/attribute.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Attribute {
[INFO] [stdout]   | -------------- associated function in this implementation
[INFO] [stdout] 9 |     pub fn new(attribute: &str, value: &str) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> dom_parser/src/parser.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn new(input: &str) -> Parser {
[INFO] [stdout]    |                       ^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn new(input: &str) -> Parser<'_> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> dom_parser/src/tokenizer.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let a = self.next_char(); // <
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tokenizer` is never read
[INFO] [stdout]   --> dom_parser/src/parser.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Parser<'a> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 20 |     tokenizer: Tokenizer<'a>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> dom_parser/src/parser.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn new(input: &str) -> Parser {
[INFO] [stdout]    |                       ^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn new(input: &str) -> Parser<'_> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "90cadbb78a3f19c041c99c5a2cde888ed5a51cde9461a33e396ca3b6a90a7af3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90cadbb78a3f19c041c99c5a2cde888ed5a51cde9461a33e396ca3b6a90a7af3", kill_on_drop: false }`
[INFO] [stdout] 90cadbb78a3f19c041c99c5a2cde888ed5a51cde9461a33e396ca3b6a90a7af3
