[INFO] fetching crate scopegraphs-regular-expressions 0.3.2...
[INFO] checking scopegraphs-regular-expressions-0.3.2 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate scopegraphs-regular-expressions 0.3.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate scopegraphs-regular-expressions 0.3.2 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scopegraphs-regular-expressions 0.3.2
[INFO] finished tweaking crates.io crate scopegraphs-regular-expressions 0.3.2
[INFO] tweaked toml for crates.io crate scopegraphs-regular-expressions 0.3.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3881b92d97f745cce299102d7614f383aa9ff3d96f35ce8b9e7762956b042be7
[INFO] running `Command { std: "docker" "start" "-a" "3881b92d97f745cce299102d7614f383aa9ff3d96f35ce8b9e7762956b042be7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3881b92d97f745cce299102d7614f383aa9ff3d96f35ce8b9e7762956b042be7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3881b92d97f745cce299102d7614f383aa9ff3d96f35ce8b9e7762956b042be7", kill_on_drop: false }`
[INFO] [stdout] 3881b92d97f745cce299102d7614f383aa9ff3d96f35ce8b9e7762956b042be7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3610bc61b037497d6426ca1ff8b21e51362553327afc9c231da839d694d664fe
[INFO] running `Command { std: "docker" "start" "-a" "3610bc61b037497d6426ca1ff8b21e51362553327afc9c231da839d694d664fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]     Checking scopegraphs-regular-expressions v0.3.2 (/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] [stdout] warning: 1 warning 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 4.41s
[INFO] running `Command { std: "docker" "inspect" "3610bc61b037497d6426ca1ff8b21e51362553327afc9c231da839d694d664fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3610bc61b037497d6426ca1ff8b21e51362553327afc9c231da839d694d664fe", kill_on_drop: false }`
[INFO] [stdout] 3610bc61b037497d6426ca1ff8b21e51362553327afc9c231da839d694d664fe
[INFO] checking scopegraphs-regular-expressions-0.3.2 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate scopegraphs-regular-expressions 0.3.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate scopegraphs-regular-expressions 0.3.2 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scopegraphs-regular-expressions 0.3.2
[INFO] finished tweaking crates.io crate scopegraphs-regular-expressions 0.3.2
[INFO] tweaked toml for crates.io crate scopegraphs-regular-expressions 0.3.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bec1f6628fdbe810aefdcc973c20cb0c1a87148c67ee19a5b4740dc209fcca7
[INFO] running `Command { std: "docker" "start" "-a" "3bec1f6628fdbe810aefdcc973c20cb0c1a87148c67ee19a5b4740dc209fcca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bec1f6628fdbe810aefdcc973c20cb0c1a87148c67ee19a5b4740dc209fcca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bec1f6628fdbe810aefdcc973c20cb0c1a87148c67ee19a5b4740dc209fcca7", kill_on_drop: false }`
[INFO] [stdout] 3bec1f6628fdbe810aefdcc973c20cb0c1a87148c67ee19a5b4740dc209fcca7
[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" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdf2ac8775967fb5abb30ae69326d765be9a14e3afb595e86c94cbd2a9e2048e
[INFO] running `Command { std: "docker" "start" "-a" "bdf2ac8775967fb5abb30ae69326d765be9a14e3afb595e86c94cbd2a9e2048e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]     Checking scopegraphs-regular-expressions v0.3.2 (/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: 1 warning emitted
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.54s
[INFO] running `Command { std: "docker" "inspect" "bdf2ac8775967fb5abb30ae69326d765be9a14e3afb595e86c94cbd2a9e2048e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdf2ac8775967fb5abb30ae69326d765be9a14e3afb595e86c94cbd2a9e2048e", kill_on_drop: false }`
[INFO] [stdout] bdf2ac8775967fb5abb30ae69326d765be9a14e3afb595e86c94cbd2a9e2048e