[INFO] fetching crate creditcard-identifier 2.3.0...
[INFO] testing creditcard-identifier-2.3.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate creditcard-identifier 2.3.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate creditcard-identifier 2.3.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate creditcard-identifier 2.3.0
[INFO] tweaked toml for crates.io crate creditcard-identifier 2.3.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate creditcard-identifier 2.3.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate creditcard-identifier 2.3.0 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c4e555c680aee8bd13b7bf4a2ede9cd2414bcaeec8f85a8d769cf2410b0db877
[INFO] running `Command { std: "docker" "start" "c4e555c680aee8bd13b7bf4a2ede9cd2414bcaeec8f85a8d769cf2410b0db877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4e555c680aee8bd13b7bf4a2ede9cd2414bcaeec8f85a8d769cf2410b0db877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c4e555c680aee8bd13b7bf4a2ede9cd2414bcaeec8f85a8d769cf2410b0db877" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4e555c680aee8bd13b7bf4a2ede9cd2414bcaeec8f85a8d769cf2410b0db877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c4e555c680aee8bd13b7bf4a2ede9cd2414bcaeec8f85a8d769cf2410b0db877" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling zmij v1.0.14
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling creditcard-identifier v2.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `regexp_bin` is never read
[INFO] [stdout]   --> src/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct CompiledBrand {
[INFO] [stdout]    |        ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     regexp_bin: Regex,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `BRANDS` is never used
[INFO] [stdout]   --> src/brands_detailed.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub static BRANDS: &[BrandDetailed] = &[];
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `creditcard-identifier` (lib); 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.99.0-beta.8-x86_64-unknown-linux-gnu/bin/rustc --crate-name creditcard_identifier --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=4541cc9ca5549e33 -C extra-filename=-199bdd35241065b3 --out-dir /opt/rustwide/target/release/deps -C strip=debuginfo -L dependency=/opt/rustwide/target/release/deps --extern regex=/opt/rustwide/target/release/deps/libregex-0feec9ff07a55db2.rmeta --extern serde=/opt/rustwide/target/release/deps/libserde-b64668512bf4edae.rmeta --extern serde_json=/opt/rustwide/target/release/deps/libserde_json-8185efc78506946a.rmeta --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "c4e555c680aee8bd13b7bf4a2ede9cd2414bcaeec8f85a8d769cf2410b0db877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4e555c680aee8bd13b7bf4a2ede9cd2414bcaeec8f85a8d769cf2410b0db877", kill_on_drop: false }`
[INFO] [stdout] c4e555c680aee8bd13b7bf4a2ede9cd2414bcaeec8f85a8d769cf2410b0db877
