[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] building fChristenson/css-ast-parser against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[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] validating manifest of git repo https://github.com/fChristenson/css-ast-parser on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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] 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 167ca46f86e84df45987a294ac7193a3bc4e87623ae4c4a4df51866794ddd2de
[INFO] running `Command { std: "docker" "start" "-a" "167ca46f86e84df45987a294ac7193a3bc4e87623ae4c4a4df51866794ddd2de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "167ca46f86e84df45987a294ac7193a3bc4e87623ae4c4a4df51866794ddd2de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "167ca46f86e84df45987a294ac7193a3bc4e87623ae4c4a4df51866794ddd2de", kill_on_drop: false }`
[INFO] [stdout] 167ca46f86e84df45987a294ac7193a3bc4e87623ae4c4a4df51866794ddd2de
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b00642d1b65898d7103407894f08641e106bbdccefd960f2e07c33913387fe01
[INFO] running `Command { std: "docker" "start" "-a" "b00642d1b65898d7103407894f08641e106bbdccefd960f2e07c33913387fe01", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling 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)]` 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: elided lifetime has a name
[INFO] [stdout]  --> src/lib.rs:8:38
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn scan<'a>(src: &'a str) -> Vec<Token> {
[INFO] [stdout]   |             --                       ^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]   |             |
[INFO] [stdout]   |             lifetime `'a` declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(elided_named_lifetimes)]` on by default
[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)]` on by default
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.02s
[INFO] running `Command { std: "docker" "inspect" "b00642d1b65898d7103407894f08641e106bbdccefd960f2e07c33913387fe01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b00642d1b65898d7103407894f08641e106bbdccefd960f2e07c33913387fe01", kill_on_drop: false }`
[INFO] [stdout] b00642d1b65898d7103407894f08641e106bbdccefd960f2e07c33913387fe01
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc02bc3c66f3c7ef32e08416b5891968fe6c9b3eebb1d31116e8ed291db09b2b
[INFO] running `Command { std: "docker" "start" "-a" "cc02bc3c66f3c7ef32e08416b5891968fe6c9b3eebb1d31116e8ed291db09b2b", kill_on_drop: false }`
[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)]` 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: elided lifetime has a name
[INFO] [stdout]  --> src/lib.rs:8:38
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn scan<'a>(src: &'a str) -> Vec<Token> {
[INFO] [stdout]   |             --                       ^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]   |             |
[INFO] [stdout]   |             lifetime `'a` declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling css-ast-parser v0.1.0 (/opt/rustwide/workdir)
[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)]` on by default
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]  --> src/lib.rs:8:38
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn scan<'a>(src: &'a str) -> Vec<Token> {
[INFO] [stdout]   |             --                       ^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]   |             |
[INFO] [stdout]   |             lifetime `'a` declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(elided_named_lifetimes)]` on by default
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "cc02bc3c66f3c7ef32e08416b5891968fe6c9b3eebb1d31116e8ed291db09b2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc02bc3c66f3c7ef32e08416b5891968fe6c9b3eebb1d31116e8ed291db09b2b", kill_on_drop: false }`
[INFO] [stdout] cc02bc3c66f3c7ef32e08416b5891968fe6c9b3eebb1d31116e8ed291db09b2b