[INFO] fetching crate rst-traverse 2.0.1...
[INFO] testing rst-traverse-2.0.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rst-traverse 2.0.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate rst-traverse 2.0.1
[INFO] finished tweaking crates.io crate rst-traverse 2.0.1
[INFO] tweaked toml for crates.io crate rst-traverse 2.0.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rst-traverse 2.0.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rst-traverse 2.0.1 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" "+beta-2026-04-21" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc3c58739696fb9d1eb7b3768f9eee02b0461222638f96eca75903d056abd1ba
[INFO] running `Command { std: "docker" "start" "-a" "fc3c58739696fb9d1eb7b3768f9eee02b0461222638f96eca75903d056abd1ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc3c58739696fb9d1eb7b3768f9eee02b0461222638f96eca75903d056abd1ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc3c58739696fb9d1eb7b3768f9eee02b0461222638f96eca75903d056abd1ba", kill_on_drop: false }`
[INFO] [stdout] fc3c58739696fb9d1eb7b3768f9eee02b0461222638f96eca75903d056abd1ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1033dc0f058eaf1c0c1c975eba485a17c60c157b0e891fea2455d080e7b301c
[INFO] running `Command { std: "docker" "start" "-a" "b1033dc0f058eaf1c0c1c975eba485a17c60c157b0e891fea2455d080e7b301c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
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[INFO] [stderr]    Compiling pkg-config v0.3.27
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[INFO] [stderr]    Compiling bzip2 v0.4.4
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[INFO] [stderr]    Compiling sysinfo v0.29.0
[INFO] [stderr]    Compiling zstd v0.11.2+zstd.1.5.2
[INFO] [stderr]    Compiling zip v0.6.6
[INFO] [stderr]    Compiling zip-extract v0.1.2
[INFO] [stderr]    Compiling rst-traverse v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `content` and `selected_item_state` are never read
[INFO] [stdout]   --> src/app/app.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct App {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub content: StatefulList<String>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub selected_item_state: ListState,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InputBox` is never constructed
[INFO] [stdout]    --> src/app/app.rs:197:12
[INFO] [stdout]     |
[INFO] [stdout] 197 | pub struct InputBox<'a> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]    --> src/app/app.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |         format!("./{}", input);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 188 |         let _ = format!("./{}", input);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.67s
[INFO] running `Command { std: "docker" "inspect" "b1033dc0f058eaf1c0c1c975eba485a17c60c157b0e891fea2455d080e7b301c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1033dc0f058eaf1c0c1c975eba485a17c60c157b0e891fea2455d080e7b301c", kill_on_drop: false }`
[INFO] [stdout] b1033dc0f058eaf1c0c1c975eba485a17c60c157b0e891fea2455d080e7b301c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54a08145f1332d590e6da51dd5f9a09fe70a23065c8496cb84e22d5a6a7dd805
[INFO] running `Command { std: "docker" "start" "-a" "54a08145f1332d590e6da51dd5f9a09fe70a23065c8496cb84e22d5a6a7dd805", kill_on_drop: false }`
[INFO] [stderr]    Compiling rst-traverse v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `content` and `selected_item_state` are never read
[INFO] [stdout]   --> src/app/app.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct App {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub content: StatefulList<String>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub selected_item_state: ListState,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InputBox` is never constructed
[INFO] [stdout]    --> src/app/app.rs:197:12
[INFO] [stdout]     |
[INFO] [stdout] 197 | pub struct InputBox<'a> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]    --> src/app/app.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |         format!("./{}", input);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 188 |         let _ = format!("./{}", input);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "54a08145f1332d590e6da51dd5f9a09fe70a23065c8496cb84e22d5a6a7dd805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54a08145f1332d590e6da51dd5f9a09fe70a23065c8496cb84e22d5a6a7dd805", kill_on_drop: false }`
[INFO] [stdout] 54a08145f1332d590e6da51dd5f9a09fe70a23065c8496cb84e22d5a6a7dd805
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ac5a4949798224fdf83450b08fd4fcb0a81edf37ebb55e0ab30bc96c61b0ca5b
[INFO] running `Command { std: "docker" "start" "-a" "ac5a4949798224fdf83450b08fd4fcb0a81edf37ebb55e0ab30bc96c61b0ca5b", kill_on_drop: false }`
[INFO] [stderr] warning: fields `content` and `selected_item_state` are never read
[INFO] [stderr]   --> src/app/app.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct App {
[INFO] [stderr]    |            --- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 15 |     pub content: StatefulList<String>,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 25 |     pub selected_item_state: ListState,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `InputBox` is never constructed
[INFO] [stderr]    --> src/app/app.rs:197:12
[INFO] [stderr]     |
[INFO] [stderr] 197 | pub struct InputBox<'a> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `must_use` that must be used
[INFO] [stderr]    --> src/app/app.rs:188:9
[INFO] [stderr]     |
[INFO] [stderr] 188 |         format!("./{}", input);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 188 |         let _ = format!("./{}", input);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rst-traverse` (bin "rst-traverse" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rst_traverse-a05c27d7b900e4b3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ac5a4949798224fdf83450b08fd4fcb0a81edf37ebb55e0ab30bc96c61b0ca5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac5a4949798224fdf83450b08fd4fcb0a81edf37ebb55e0ab30bc96c61b0ca5b", kill_on_drop: false }`
[INFO] [stdout] ac5a4949798224fdf83450b08fd4fcb0a81edf37ebb55e0ab30bc96c61b0ca5b
