[INFO] cloning repository https://github.com/fChristenson/css-ast-parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fChristenson/css-ast-parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FfChristenson%2Fcss-ast-parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FfChristenson%2Fcss-ast-parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 719d4709dd108bbbcb291e4f0c875613d18867c9
[INFO] checking fChristenson/css-ast-parser against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FfChristenson%2Fcss-ast-parser" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fChristenson/css-ast-parser
[INFO] finished tweaking git repo https://github.com/fChristenson/css-ast-parser
[INFO] tweaked toml for git repo https://github.com/fChristenson/css-ast-parser written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fChristenson/css-ast-parser on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fChristenson/css-ast-parser 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66cd8668f7cb15f3d249be9d1be472a7019d3dc4de1d32a620e668f89a1e132e
[INFO] running `Command { std: "docker" "start" "-a" "66cd8668f7cb15f3d249be9d1be472a7019d3dc4de1d32a620e668f89a1e132e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66cd8668f7cb15f3d249be9d1be472a7019d3dc4de1d32a620e668f89a1e132e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66cd8668f7cb15f3d249be9d1be472a7019d3dc4de1d32a620e668f89a1e132e", kill_on_drop: false }`
[INFO] [stdout] 66cd8668f7cb15f3d249be9d1be472a7019d3dc4de1d32a620e668f89a1e132e
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d713b29598f89878571899aa04164010868addb86a1affe0f958fe06f704a1d
[INFO] running `Command { std: "docker" "start" "-a" "1d713b29598f89878571899aa04164010868addb86a1affe0f958fe06f704a1d", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking css-ast-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/regex.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use super::*;
[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: `regex::Regex`
[INFO] [stdout]  --> src/regex.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use regex::Regex;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `class_regex` is never used
[INFO] [stdout]  --> src/regex.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub static class_regex: &str = r"(\.[a-zA-Z]+)";
[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 named elsewhere is confusing
[INFO] [stdout]  --> src/lib.rs:8:38
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn scan<'a>(src: &'a str) -> Vec<Token> {
[INFO] [stdout]   |                       --             ^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |                       |
[INFO] [stdout]   |                       the lifetime is named 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: consistently use `'a`
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn scan<'a>(src: &'a str) -> Vec<Token<'a>> {
[INFO] [stdout]   |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `class_regex` should have an upper case name
[INFO] [stdout]  --> src/regex.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub static class_regex: &str = r"(\.[a-zA-Z]+)";
[INFO] [stdout]   |            ^^^^^^^^^^^ help: convert the identifier to upper case: `CLASS_REGEX`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]  --> src/lib.rs:8:38
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn scan<'a>(src: &'a str) -> Vec<Token> {
[INFO] [stdout]   |                       --             ^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |                       |
[INFO] [stdout]   |                       the lifetime is named 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: consistently use `'a`
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn scan<'a>(src: &'a str) -> Vec<Token<'a>> {
[INFO] [stdout]   |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `class_regex` should have an upper case name
[INFO] [stdout]  --> src/regex.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub static class_regex: &str = r"(\.[a-zA-Z]+)";
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 1 - pub static class_regex: &str = r"(\.[a-zA-Z]+)";
[INFO] [stdout] 1 + pub static CLASS_REGEX: &str = r"(\.[a-zA-Z]+)";
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "1d713b29598f89878571899aa04164010868addb86a1affe0f958fe06f704a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d713b29598f89878571899aa04164010868addb86a1affe0f958fe06f704a1d", kill_on_drop: false }`
[INFO] [stdout] 1d713b29598f89878571899aa04164010868addb86a1affe0f958fe06f704a1d