[INFO] cloning repository https://github.com/pentla/arts-parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pentla/arts-parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpentla%2Farts-parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpentla%2Farts-parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d50403cca6e1d1ede9b4b9b43569b9324e35f5b6
[INFO] checking pentla/arts-parser against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpentla%2Farts-parser" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pentla/arts-parser on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pentla/arts-parser
[INFO] finished tweaking git repo https://github.com/pentla/arts-parser
[INFO] tweaked toml for git repo https://github.com/pentla/arts-parser written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/pentla/arts-parser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bca426ddab058744274b77a002c6444942b04ad0ccecd905bcad71d9ba98e41
[INFO] running `Command { std: "docker" "start" "-a" "0bca426ddab058744274b77a002c6444942b04ad0ccecd905bcad71d9ba98e41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bca426ddab058744274b77a002c6444942b04ad0ccecd905bcad71d9ba98e41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bca426ddab058744274b77a002c6444942b04ad0ccecd905bcad71d9ba98e41", kill_on_drop: false }`
[INFO] [stdout] 0bca426ddab058744274b77a002c6444942b04ad0ccecd905bcad71d9ba98e41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37c7d9857a35159b33243fb703974417c06c6a4f4f13125d9588a3a3e24b643d
[INFO] running `Command { std: "docker" "start" "-a" "37c7d9857a35159b33243fb703974417c06c6a4f4f13125d9588a3a3e24b643d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::result`
[INFO] [stdout]  --> src/parse_css.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::result;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Element`, `element_type`
[INFO] [stdout]  --> src/parse_css.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ast_html::{element_type, Element, ElementType},
[INFO] [stdout]   |                ^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::result`
[INFO] [stdout]  --> src/parse_css.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::result;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ElementType`, `Element`, `Property`, `Unit`, `Value`, `element_type`
[INFO] [stdout]  --> src/parse_css.rs:7:35
[INFO] [stdout]   |
[INFO] [stdout] 7 |     ast_css::{Block, Declaration, Property, Selector, StyleSheet, Unit, Value},
[INFO] [stdout]   |                                   ^^^^^^^^                        ^^^^  ^^^^^
[INFO] [stdout] 8 |     ast_html::{element_type, Element, ElementType},
[INFO] [stdout]   |                ^^^^^^^^^^^^  ^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pest::Parser`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use pest::Parser;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/ast_css.rs:88:25
[INFO] [stdout]    |
[INFO] [stdout] 88 |                     Err(err) => value = Value::Keyword(val.to_string()),
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/ast_css.rs:95:25
[INFO] [stdout]    |
[INFO] [stdout] 95 |                     Err(err) => value = Value::Keyword(val.to_string()),
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/ast_css.rs:102:25
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     Err(err) => value = Value::Keyword(val.to_string()),
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/ast_css.rs:109:25
[INFO] [stdout]     |
[INFO] [stdout] 109 |                     Err(err) => value = Value::Keyword(val.to_string()),
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/ast_css.rs:116:25
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     Err(err) => value = Value::Keyword(val.to_string()),
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/ast_css.rs:123:25
[INFO] [stdout]     |
[INFO] [stdout] 123 |                     Err(err) => value = Value::Keyword(val.to_string()),
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/ast_css.rs:88:25
[INFO] [stdout]    |
[INFO] [stdout] 88 |                     Err(err) => value = Value::Keyword(val.to_string()),
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/ast_css.rs:95:25
[INFO] [stdout]    |
[INFO] [stdout] 95 |                     Err(err) => value = Value::Keyword(val.to_string()),
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/ast_css.rs:102:25
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     Err(err) => value = Value::Keyword(val.to_string()),
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/ast_css.rs:109:25
[INFO] [stdout]     |
[INFO] [stdout] 109 |                     Err(err) => value = Value::Keyword(val.to_string()),
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/ast_css.rs:116:25
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     Err(err) => value = Value::Keyword(val.to_string()),
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/ast_css.rs:123:25
[INFO] [stdout]     |
[INFO] [stdout] 123 |                     Err(err) => value = Value::Keyword(val.to_string()),
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_css`
[INFO] [stdout]   --> src/parse_css.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn parse_css(input: &str) -> StyleSheet {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_block`
[INFO] [stdout]   --> src/parse_css.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn parse_block(input: &str) -> Block {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_style_block`
[INFO] [stdout]   --> src/parse_css.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn parse_style_block(rule: Pair<Rule>) -> Block {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_nodes`
[INFO] [stdout]   --> src/parse_html.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn parse_nodes(input: &str) -> Element {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_element`
[INFO] [stdout]   --> src/parse_html.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn parse_element(rule: Pair<Rule>) -> Element {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.74s
[INFO] running `Command { std: "docker" "inspect" "37c7d9857a35159b33243fb703974417c06c6a4f4f13125d9588a3a3e24b643d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37c7d9857a35159b33243fb703974417c06c6a4f4f13125d9588a3a3e24b643d", kill_on_drop: false }`
[INFO] [stdout] 37c7d9857a35159b33243fb703974417c06c6a4f4f13125d9588a3a3e24b643d