[INFO] fetching crate rust_cli_tool_grrs 0.1.0...
[INFO] testing rust_cli_tool_grrs-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate rust_cli_tool_grrs 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate rust_cli_tool_grrs 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rust_cli_tool_grrs 0.1.0
[INFO] tweaked toml for crates.io crate rust_cli_tool_grrs 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_cli_tool_grrs 0.1.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust_cli_tool_grrs 0.1.0 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2771766649f53f3cd999220442197f0758e2eea67cdcd2e99f7d0e1eead9afd3
[INFO] running `Command { std: "docker" "start" "-a" "2771766649f53f3cd999220442197f0758e2eea67cdcd2e99f7d0e1eead9afd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2771766649f53f3cd999220442197f0758e2eea67cdcd2e99f7d0e1eead9afd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2771766649f53f3cd999220442197f0758e2eea67cdcd2e99f7d0e1eead9afd3", kill_on_drop: false }`
[INFO] [stdout] 2771766649f53f3cd999220442197f0758e2eea67cdcd2e99f7d0e1eead9afd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5905a43e6bcc6917bf27a8652a8a1f217bfc10ae8c26e35b73daac8beb56765e
[INFO] running `Command { std: "docker" "start" "-a" "5905a43e6bcc6917bf27a8652a8a1f217bfc10ae8c26e35b73daac8beb56765e", kill_on_drop: false }`
[INFO] [stderr]    Compiling anstyle-query v1.1.3
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling anstream v0.6.19
[INFO] [stderr]    Compiling clap_builder v4.5.40
[INFO] [stderr]    Compiling clap_derive v4.5.40
[INFO] [stderr]    Compiling clap v4.5.40
[INFO] [stderr]    Compiling rust_cli_tool_grrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/lib.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |             writeln!(writer, "{}", line);
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[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] 4 |             let _ = writeln!(writer, "{}", line);
[INFO] [stdout]   |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.79s
[INFO] running `Command { std: "docker" "inspect" "5905a43e6bcc6917bf27a8652a8a1f217bfc10ae8c26e35b73daac8beb56765e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5905a43e6bcc6917bf27a8652a8a1f217bfc10ae8c26e35b73daac8beb56765e", kill_on_drop: false }`
[INFO] [stdout] 5905a43e6bcc6917bf27a8652a8a1f217bfc10ae8c26e35b73daac8beb56765e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cb3eec8d918656b36ce1664fe6b4e5abcad12b73f8e7f46617e787cd9125264
[INFO] running `Command { std: "docker" "start" "-a" "5cb3eec8d918656b36ce1664fe6b4e5abcad12b73f8e7f46617e787cd9125264", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling predicates-core v1.0.9
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling float-cmp v0.10.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling termtree v0.5.1
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling predicates-tree v1.0.12
[INFO] [stderr]    Compiling assert_cmd v2.0.17
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/lib.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |             writeln!(writer, "{}", line);
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[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] 4 |             let _ = writeln!(writer, "{}", line);
[INFO] [stdout]   |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling tempfile v3.20.0
[INFO] [stderr]    Compiling bstr v1.12.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling predicates v3.1.3
[INFO] [stderr]    Compiling globset v0.4.16
[INFO] [stderr]    Compiling ignore v0.4.23
[INFO] [stderr]    Compiling globwalk v0.9.1
[INFO] [stderr]    Compiling assert_fs v1.1.3
[INFO] [stderr]    Compiling rust_cli_tool_grrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/lib.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |             writeln!(writer, "{}", line);
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[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] 4 |             let _ = writeln!(writer, "{}", line);
[INFO] [stdout]   |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 19.78s
[INFO] running `Command { std: "docker" "inspect" "5cb3eec8d918656b36ce1664fe6b4e5abcad12b73f8e7f46617e787cd9125264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cb3eec8d918656b36ce1664fe6b4e5abcad12b73f8e7f46617e787cd9125264", kill_on_drop: false }`
[INFO] [stdout] 5cb3eec8d918656b36ce1664fe6b4e5abcad12b73f8e7f46617e787cd9125264
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] de43f09ce22c2d5f37e7ad0a39e8abe0a2bab96b1c7f346e0bafc6b18e1c8dac
[INFO] running `Command { std: "docker" "start" "-a" "de43f09ce22c2d5f37e7ad0a39e8abe0a2bab96b1c7f346e0bafc6b18e1c8dac", kill_on_drop: false }`
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]  --> src/lib.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 |             writeln!(writer, "{}", line);
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[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] 4 |             let _ = writeln!(writer, "{}", line);
[INFO] [stderr]   |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_cli_tool_grrs` (lib) generated 1 warning
[INFO] [stderr] warning: `rust_cli_tool_grrs` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test find_a_match ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_cli_tool_grrs-e7266b74dbbf5948)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/grrs_vaishnav-22f2827a8b459369)
[INFO] [stderr]      Running tests/cli.rs (/opt/rustwide/target/debug/deps/cli-87c8388f572e5d02)
[INFO] [stdout] test find_content_in_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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] [stderr]    Doc-tests rust_cli_tool_grrs
[INFO] running `Command { std: "docker" "inspect" "de43f09ce22c2d5f37e7ad0a39e8abe0a2bab96b1c7f346e0bafc6b18e1c8dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de43f09ce22c2d5f37e7ad0a39e8abe0a2bab96b1c7f346e0bafc6b18e1c8dac", kill_on_drop: false }`
[INFO] [stdout] de43f09ce22c2d5f37e7ad0a39e8abe0a2bab96b1c7f346e0bafc6b18e1c8dac