[INFO] fetching crate regexp2rust_macro 0.1.5...
[INFO] checking regexp2rust_macro-0.1.5 against try#19b19c1ea5b23336f439d5f7be1cc1b3f1220bef for pr-112999
[INFO] extracting crate regexp2rust_macro 0.1.5 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate regexp2rust_macro 0.1.5 on toolchain 19b19c1ea5b23336f439d5f7be1cc1b3f1220bef
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19b19c1ea5b23336f439d5f7be1cc1b3f1220bef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate regexp2rust_macro 0.1.5
[INFO] finished tweaking crates.io crate regexp2rust_macro 0.1.5
[INFO] tweaked toml for crates.io crate regexp2rust_macro 0.1.5 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19b19c1ea5b23336f439d5f7be1cc1b3f1220bef" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19b19c1ea5b23336f439d5f7be1cc1b3f1220bef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+19b19c1ea5b23336f439d5f7be1cc1b3f1220bef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stdout] warning: function `line_boundary_sherlock_holmes` is never used
[INFO] [stdout]    --> benches/dna.rs:376:5
[INFO] [stdout]     |
[INFO] [stdout] 376 |     line_boundary_sherlock_holmes,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `sherlock` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `repeated_class_negation` is never used
[INFO] [stdout]    --> benches/dna.rs:398:11
[INFO] [stdout]     |
[INFO] [stdout] 398 | sherlock!(repeated_class_negation, r"[a-q][^u-z]{13}x", 142);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `sherlock` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ing_suffix_limited_space` is never used
[INFO] [stdout]    --> benches/dna.rs:410:11
[INFO] [stdout]     |
[INFO] [stdout] 410 | sherlock!(ing_suffix_limited_space, r"\s[a-zA-Z]{0,12}ing\s", 2081);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `sherlock` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `Command { std: "docker" "inspect" "b46e0a1d798d0ee5a5668bf6c4f87579f6c9e30ccb60f7cb8cd0200d6da92b8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b46e0a1d798d0ee5a5668bf6c4f87579f6c9e30ccb60f7cb8cd0200d6da92b8f", kill_on_drop: false }`
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