[INFO] cloning repository https://github.com/Goodjooy/RsRegexLoader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Goodjooy/RsRegexLoader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGoodjooy%2FRsRegexLoader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGoodjooy%2FRsRegexLoader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c441d31fe45159e7886f943006f8e76fc739394d
[INFO] checking Goodjooy/RsRegexLoader/c441d31fe45159e7886f943006f8e76fc739394d against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGoodjooy%2FRsRegexLoader" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Goodjooy/RsRegexLoader on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Goodjooy/RsRegexLoader
[INFO] finished tweaking git repo https://github.com/Goodjooy/RsRegexLoader
[INFO] tweaked toml for git repo https://github.com/Goodjooy/RsRegexLoader written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Goodjooy/RsRegexLoader 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3ce76e32198476264e1e56dd66612d4ca673aad7f43b74ef08d8df3f321df94
[INFO] running `Command { std: "docker" "start" "-a" "d3ce76e32198476264e1e56dd66612d4ca673aad7f43b74ef08d8df3f321df94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3ce76e32198476264e1e56dd66612d4ca673aad7f43b74ef08d8df3f321df94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3ce76e32198476264e1e56dd66612d4ca673aad7f43b74ef08d8df3f321df94", kill_on_drop: false }`
[INFO] [stdout] d3ce76e32198476264e1e56dd66612d4ca673aad7f43b74ef08d8df3f321df94
[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 -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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15d697f9ca4856f03ba639f3300cdd2033599868a5f3dfd4873dcf1e87da67d6
[INFO] running `Command { std: "docker" "start" "-a" "15d697f9ca4856f03ba639f3300cdd2033599868a5f3dfd4873dcf1e87da67d6", kill_on_drop: false }`
[INFO] [stderr]     Checking regex_load v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/regex_iter.rs:20:57
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn per_look<'a>(&'a self, len: isize) -> Option<&str> {
[INFO] [stdout]    |                     -- lifetime `'a` declared here      ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/regex_iter.rs:20:57
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn per_look<'a>(&'a self, len: isize) -> Option<&str> {
[INFO] [stdout]    |                     -- lifetime `'a` declared here      ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RegexExpress` is never constructed
[INFO] [stdout]  --> src/regex_load/regex.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct RegexExpress {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/regex_load/regex.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl RegexExpress {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 14 |     fn new(regex: &str) -> Option<RegexExpress> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "15d697f9ca4856f03ba639f3300cdd2033599868a5f3dfd4873dcf1e87da67d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15d697f9ca4856f03ba639f3300cdd2033599868a5f3dfd4873dcf1e87da67d6", kill_on_drop: false }`
[INFO] [stdout] 15d697f9ca4856f03ba639f3300cdd2033599868a5f3dfd4873dcf1e87da67d6