[INFO] fetching crate scopegraphs-regular-expressions 0.3.3...
[INFO] testing scopegraphs-regular-expressions-0.3.3 against 1.90.0 for beta-1.91-3
[INFO] extracting crate scopegraphs-regular-expressions 0.3.3 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate scopegraphs-regular-expressions 0.3.3
[INFO] finished tweaking crates.io crate scopegraphs-regular-expressions 0.3.3
[INFO] tweaked toml for crates.io crate scopegraphs-regular-expressions 0.3.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate scopegraphs-regular-expressions 0.3.3 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 896c33d780b5ad13645269ed6b73a180e81b1249802c1d5881f8bf51e1c9c584
[INFO] running `Command { std: "docker" "start" "-a" "896c33d780b5ad13645269ed6b73a180e81b1249802c1d5881f8bf51e1c9c584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "896c33d780b5ad13645269ed6b73a180e81b1249802c1d5881f8bf51e1c9c584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "896c33d780b5ad13645269ed6b73a180e81b1249802c1d5881f8bf51e1c9c584", kill_on_drop: false }`
[INFO] [stdout] 896c33d780b5ad13645269ed6b73a180e81b1249802c1d5881f8bf51e1c9c584
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89cd00a99ee39de1452bcc457bd87bcf1538e5c985c6205bdd602c0f0b87c302
[INFO] running `Command { std: "docker" "start" "-a" "89cd00a99ee39de1452bcc457bd87bcf1538e5c985c6205bdd602c0f0b87c302", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling scopegraphs-regular-expressions v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `regex` is never read
[INFO] [stdout]   --> src/compile.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) struct MatchState {
[INFO] [stdout]    |                   ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub regex: Rc<Regex>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MatchState` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.87s
[INFO] running `Command { std: "docker" "inspect" "89cd00a99ee39de1452bcc457bd87bcf1538e5c985c6205bdd602c0f0b87c302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89cd00a99ee39de1452bcc457bd87bcf1538e5c985c6205bdd602c0f0b87c302", kill_on_drop: false }`
[INFO] [stdout] 89cd00a99ee39de1452bcc457bd87bcf1538e5c985c6205bdd602c0f0b87c302
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 962ca8874e384baf0c11db006596ad0d6f5b591e0659d1d9dddd334b9b355e97
[INFO] running `Command { std: "docker" "start" "-a" "962ca8874e384baf0c11db006596ad0d6f5b591e0659d1d9dddd334b9b355e97", kill_on_drop: false }`
[INFO] [stderr]    Compiling scopegraphs-regular-expressions v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `regex` is never read
[INFO] [stdout]   --> src/compile.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) struct MatchState {
[INFO] [stdout]    |                   ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub regex: Rc<Regex>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MatchState` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `regex` is never read
[INFO] [stdout]   --> src/compile.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) struct MatchState {
[INFO] [stdout]    |                   ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub regex: Rc<Regex>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MatchState` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "962ca8874e384baf0c11db006596ad0d6f5b591e0659d1d9dddd334b9b355e97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "962ca8874e384baf0c11db006596ad0d6f5b591e0659d1d9dddd334b9b355e97", kill_on_drop: false }`
[INFO] [stdout] 962ca8874e384baf0c11db006596ad0d6f5b591e0659d1d9dddd334b9b355e97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b3e82c486d58141c0c602565cc569267055bbd456630feb0fdca15f7f76dcfbf
[INFO] running `Command { std: "docker" "start" "-a" "b3e82c486d58141c0c602565cc569267055bbd456630feb0fdca15f7f76dcfbf", kill_on_drop: false }`
[INFO] [stderr] warning: field `regex` is never read
[INFO] [stderr]   --> src/compile.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub(crate) struct MatchState {
[INFO] [stderr]    |                   ---------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 18 |     pub regex: Rc<Regex>,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `MatchState` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `scopegraphs-regular-expressions` (lib) generated 1 warning
[INFO] [stderr] warning: `scopegraphs-regular-expressions` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/scopegraphs_regular_expressions-d65bd3bf082f5b9c)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test parse::tests::infix_op_should_have_rhs ... ok
[INFO] [stdout] test parse::tests::neg_should_have_argument ... ok
[INFO] [stdout] test parse::tests::postfix_op_should_have_lhs ... ok
[INFO] [stdout] test parse::tests::infix_op_should_have_lhs ... ok
[INFO] [stdout] test parse::tests::infix_postfix_mix ... ok
[INFO] [stdout] test parse::tests::test_disambiguation ... ok
[INFO] [stdout] test parse::tests::test_operators ... ok
[INFO] [stdout] test regex::tests::apply_symbol ... ok
[INFO] [stdout] test parse::tests::test_symbols ... ok
[INFO] [stdout] test parse::tests::infix_op_no_double ... ok
[INFO] [stdout] test regex::tests::nullable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests scopegraphs_regular_expressions
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/regex.rs - regex::Regex::is_nullable (line 195) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b3e82c486d58141c0c602565cc569267055bbd456630feb0fdca15f7f76dcfbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3e82c486d58141c0c602565cc569267055bbd456630feb0fdca15f7f76dcfbf", kill_on_drop: false }`
[INFO] [stdout] b3e82c486d58141c0c602565cc569267055bbd456630feb0fdca15f7f76dcfbf