[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#cd420d8bda33494ba3cc45048d5f067484a32b94 for pr-140209-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsor4chi%2Fbrowser" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sor4chi/browser on toolchain cd420d8bda33494ba3cc45048d5f067484a32b94
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2-tc2/source/Cargo.toml
[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" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "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] 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
[ERROR] error running command: no output for 300 seconds
[INFO] checking sor4chi/browser against try#cd420d8bda33494ba3cc45048d5f067484a32b94 for pr-140209-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsor4chi%2Fbrowser" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sor4chi/browser on toolchain cd420d8bda33494ba3cc45048d5f067484a32b94
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2-tc2/source/Cargo.toml
[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" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "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] 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-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6e5d7e8522f597cfc1c08288c925290eb0615ba5c0f77bfb1cd19b53f2aaf58
[INFO] running `Command { std: "docker" "start" "-a" "d6e5d7e8522f597cfc1c08288c925290eb0615ba5c0f77bfb1cd19b53f2aaf58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6e5d7e8522f597cfc1c08288c925290eb0615ba5c0f77bfb1cd19b53f2aaf58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6e5d7e8522f597cfc1c08288c925290eb0615ba5c0f77bfb1cd19b53f2aaf58", kill_on_drop: false }`
[INFO] [stdout] d6e5d7e8522f597cfc1c08288c925290eb0615ba5c0f77bfb1cd19b53f2aaf58
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f654c7fa2ce79ab04146fe20c2052c2ad9443ae658d942c17244ec8acb0fe64
[INFO] running `Command { std: "docker" "start" "-a" "3f654c7fa2ce79ab04146fe20c2052c2ad9443ae658d942c17244ec8acb0fe64", 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] 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)]` 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Element` and `Text` are never constructed
[INFO] [stdout]  --> dom_parser/src/parser.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Node {
[INFO] [stdout]   |          ---- variants in this enum
[INFO] [stdout] 8 |     Element(ElementData),
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 9 |     Text(String),
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[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: variants `StartTag`, `EndTag`, and `Text` are never constructed
[INFO] [stdout]  --> dom_parser/src/tokenizer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Token {
[INFO] [stdout]   |          ----- variants in this enum
[INFO] [stdout] 6 |     StartTag(Tag, Vec<Attribute>),
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 7 |     EndTag(Tag),
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 8 |     Text(String),
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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: multiple variants are never constructed
[INFO] [stdout]  --> dom_parser/src/tag.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Tag {
[INFO] [stdout]   |          --- variants in this enum
[INFO] [stdout] 3 |     Html,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     Head,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 5 |     Title,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 6 |     Body,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 7 |     H1,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 8 |     P,
[INFO] [stdout]   |     ^
[INFO] [stdout] 9 |     Unknown,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Tag` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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: variants `Class`, `Id`, and `Unknown` are never constructed
[INFO] [stdout]  --> dom_parser/src/attribute.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Attribute {
[INFO] [stdout]   |          --------- variants in this enum
[INFO] [stdout] 3 |     Class(String),
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 4 |     Id(String),
[INFO] [stdout]   |     ^^
[INFO] [stdout] 5 |     Unknown,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Attribute` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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: 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "3f654c7fa2ce79ab04146fe20c2052c2ad9443ae658d942c17244ec8acb0fe64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f654c7fa2ce79ab04146fe20c2052c2ad9443ae658d942c17244ec8acb0fe64", kill_on_drop: false }`
[INFO] [stdout] 3f654c7fa2ce79ab04146fe20c2052c2ad9443ae658d942c17244ec8acb0fe64