[INFO] fetching crate zhan-grrs 0.1.0...
[INFO] testing zhan-grrs-0.1.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate zhan-grrs 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate zhan-grrs 0.1.0
[INFO] finished tweaking crates.io crate zhan-grrs 0.1.0
[INFO] tweaked toml for crates.io crate zhan-grrs 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zhan-grrs 0.1.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zhan-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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a15bc1191c9fe0e704c2e81ebd100218f525824d3e3319f25ce2e92f7157dcc7
[INFO] running `Command { std: "docker" "start" "a15bc1191c9fe0e704c2e81ebd100218f525824d3e3319f25ce2e92f7157dcc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a15bc1191c9fe0e704c2e81ebd100218f525824d3e3319f25ce2e92f7157dcc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a15bc1191c9fe0e704c2e81ebd100218f525824d3e3319f25ce2e92f7157dcc7" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a15bc1191c9fe0e704c2e81ebd100218f525824d3e3319f25ce2e92f7157dcc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a15bc1191c9fe0e704c2e81ebd100218f525824d3e3319f25ce2e92f7157dcc7" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling colorchoice v1.0.5
[INFO] [stderr]    Compiling anyhow v1.0.103
[INFO] [stderr]    Compiling anstyle-parse v1.0.0
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]    Compiling anstream v1.0.0
[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]    Compiling clap_derive v4.6.1
[INFO] [stderr]    Compiling clap v4.6.1
[INFO] [stderr]    Compiling zhan-grrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |             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] 16 |             let _ = writeln!(writer, "{}", line);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.06s
[INFO] running `Command { std: "docker" "inspect" "a15bc1191c9fe0e704c2e81ebd100218f525824d3e3319f25ce2e92f7157dcc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a15bc1191c9fe0e704c2e81ebd100218f525824d3e3319f25ce2e92f7157dcc7" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling zhan-grrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |             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] 16 |             let _ = writeln!(writer, "{}", line);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "a15bc1191c9fe0e704c2e81ebd100218f525824d3e3319f25ce2e92f7157dcc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a15bc1191c9fe0e704c2e81ebd100218f525824d3e3319f25ce2e92f7157dcc7" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |             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] 16 |             let _ = writeln!(writer, "{}", line);
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `zhan-grrs` (bin "zhan-grrs" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/build/zhan-grrs/e34e89af0704e3b7/out/zhan_grrs-e34e89af0704e3b7)
[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] running `Command { std: "docker" "inspect" "a15bc1191c9fe0e704c2e81ebd100218f525824d3e3319f25ce2e92f7157dcc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a15bc1191c9fe0e704c2e81ebd100218f525824d3e3319f25ce2e92f7157dcc7", kill_on_drop: false }`
[INFO] [stdout] a15bc1191c9fe0e704c2e81ebd100218f525824d3e3319f25ce2e92f7157dcc7
