[INFO] cloning repository https://github.com/root-hunter/reverse-regex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/root-hunter/reverse-regex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froot-hunter%2Freverse-regex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froot-hunter%2Freverse-regex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1695d9bb1c17cda62981f692af672cae9aa42103
[INFO] checking root-hunter/reverse-regex against master#c8a31b780d5415358566a20b94912620a3f27067 for pr-139493-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froot-hunter%2Freverse-regex" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/root-hunter/reverse-regex
[INFO] finished tweaking git repo https://github.com/root-hunter/reverse-regex
[INFO] tweaked toml for git repo https://github.com/root-hunter/reverse-regex written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/root-hunter/reverse-regex on toolchain c8a31b780d5415358566a20b94912620a3f27067
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8a31b780d5415358566a20b94912620a3f27067" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/root-hunter/reverse-regex 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" "+c8a31b780d5415358566a20b94912620a3f27067" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.1.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c8a31b780d5415358566a20b94912620a3f27067" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94ca309131137e651efffb5e607ac5098da124c6881fc992b8be75994785d026
[INFO] running `Command { std: "docker" "start" "-a" "94ca309131137e651efffb5e607ac5098da124c6881fc992b8be75994785d026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94ca309131137e651efffb5e607ac5098da124c6881fc992b8be75994785d026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94ca309131137e651efffb5e607ac5098da124c6881fc992b8be75994785d026", kill_on_drop: false }`
[INFO] [stdout] 94ca309131137e651efffb5e607ac5098da124c6881fc992b8be75994785d026
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c8a31b780d5415358566a20b94912620a3f27067" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ca01d1830313063ab2b38ed89822d4b77b9cf715fdc183c82b4d4a83fbcb37f
[INFO] running `Command { std: "docker" "start" "-a" "0ca01d1830313063ab2b38ed89822d4b77b9cf715fdc183c82b4d4a83fbcb37f", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.93
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling wasm-bindgen v0.2.93
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.93
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.43
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.93
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.93
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking js-sys v0.3.70
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking reverse-regex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/engine.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |         _ => {
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/engine.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout]  41 |         HirKind::Capture(capture) => {
[INFO] [stdout]     |         ------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  47 |         HirKind::Repetition(rep) => {
[INFO] [stdout]     |         ------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  69 |         HirKind::Literal(lit) => {
[INFO] [stdout]     |         --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  72 |         HirKind::Alternation(alt) => {
[INFO] [stdout]     |         ------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 125 |         _ => {
[INFO] [stdout]     |         ^ ...and 4 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/engine.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |         _ => {
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/engine.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout]  41 |         HirKind::Capture(capture) => {
[INFO] [stdout]     |         ------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  47 |         HirKind::Repetition(rep) => {
[INFO] [stdout]     |         ------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  69 |         HirKind::Literal(lit) => {
[INFO] [stdout]     |         --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  72 |         HirKind::Alternation(alt) => {
[INFO] [stdout]     |         ------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 125 |         _ => {
[INFO] [stdout]     |         ^ ...and 4 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `force_decimal` and `force_alphanumeric` are never read
[INFO] [stdout]   --> src/engine.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct EngineConfig {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 17 |     pub force_decimal: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 18 |     pub force_alphanumeric: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.43
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.43
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/engine.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |         _ => {
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/engine.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout]  41 |         HirKind::Capture(capture) => {
[INFO] [stdout]     |         ------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  47 |         HirKind::Repetition(rep) => {
[INFO] [stdout]     |         ------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  69 |         HirKind::Literal(lit) => {
[INFO] [stdout]     |         --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  72 |         HirKind::Alternation(alt) => {
[INFO] [stdout]     |         ------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 125 |         _ => {
[INFO] [stdout]     |         ^ ...and 4 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/engine.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |         _ => {
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/engine.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout]  41 |         HirKind::Capture(capture) => {
[INFO] [stdout]     |         ------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  47 |         HirKind::Repetition(rep) => {
[INFO] [stdout]     |         ------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  69 |         HirKind::Literal(lit) => {
[INFO] [stdout]     |         --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  72 |         HirKind::Alternation(alt) => {
[INFO] [stdout]     |         ------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 125 |         _ => {
[INFO] [stdout]     |         ^ ...and 4 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `force_decimal` and `force_alphanumeric` are never read
[INFO] [stdout]   --> src/engine.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct EngineConfig {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 17 |     pub force_decimal: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 18 |     pub force_alphanumeric: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.53s
[INFO] running `Command { std: "docker" "inspect" "0ca01d1830313063ab2b38ed89822d4b77b9cf715fdc183c82b4d4a83fbcb37f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ca01d1830313063ab2b38ed89822d4b77b9cf715fdc183c82b4d4a83fbcb37f", kill_on_drop: false }`
[INFO] [stdout] 0ca01d1830313063ab2b38ed89822d4b77b9cf715fdc183c82b4d4a83fbcb37f
