[INFO] fetching crate taita 0.1.7...
[INFO] testing taita-0.1.7 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate taita 0.1.7 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate taita 0.1.7
[INFO] finished tweaking crates.io crate taita 0.1.7
[INFO] tweaked toml for crates.io crate taita 0.1.7 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate taita 0.1.7 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate taita 0.1.7 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e31627d886f140412cc2e31972716ed481e5530a7d4efa3b6da689d19d590b7e
[INFO] running `Command { std: "docker" "start" "-a" "e31627d886f140412cc2e31972716ed481e5530a7d4efa3b6da689d19d590b7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e31627d886f140412cc2e31972716ed481e5530a7d4efa3b6da689d19d590b7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e31627d886f140412cc2e31972716ed481e5530a7d4efa3b6da689d19d590b7e", kill_on_drop: false }`
[INFO] [stdout] e31627d886f140412cc2e31972716ed481e5530a7d4efa3b6da689d19d590b7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0579913e62165897f68f1ed1626a3f99e96cf4f4984456b3a852ec07fed83c2e
[INFO] running `Command { std: "docker" "start" "-a" "0579913e62165897f68f1ed1626a3f99e96cf4f4984456b3a852ec07fed83c2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling anstyle v1.0.6
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling anstream v0.6.11
[INFO] [stderr]    Compiling clap_builder v4.4.18
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling clap v4.4.18
[INFO] [stderr]    Compiling taita v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/cli.rs:174:17
[INFO] [stdout]     |
[INFO] [stdout] 174 | /                 std::process::Command::new(current_exe)
[INFO] [stdout] 175 | |                     .arg("open-in-place")
[INFO] [stdout] 176 | |                     .arg(name)
[INFO] [stdout] 177 | |                     .exec();
[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] 174 |                 let _ = std::process::Command::new(current_exe)
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/cli.rs:219:13
[INFO] [stdout]     |
[INFO] [stdout] 219 | /             std::process::Command::new("tmux")
[INFO] [stdout] 220 | |                 .arg("a")
[INFO] [stdout] 221 | |                 .arg("-t")
[INFO] [stdout] 222 | |                 .arg("taita-".to_string() + &name)
[INFO] [stdout] 223 | |                 .exec();
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 219 |             let _ = std::process::Command::new("tmux")
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.57s
[INFO] running `Command { std: "docker" "inspect" "0579913e62165897f68f1ed1626a3f99e96cf4f4984456b3a852ec07fed83c2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0579913e62165897f68f1ed1626a3f99e96cf4f4984456b3a852ec07fed83c2e", kill_on_drop: false }`
[INFO] [stdout] 0579913e62165897f68f1ed1626a3f99e96cf4f4984456b3a852ec07fed83c2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8b139d81af574700b550dbb0cf43228e1a44e220f0b2c86c12b5db7aa641903
[INFO] running `Command { std: "docker" "start" "-a" "d8b139d81af574700b550dbb0cf43228e1a44e220f0b2c86c12b5db7aa641903", kill_on_drop: false }`
[INFO] [stderr]    Compiling taita v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/cli.rs:174:17
[INFO] [stdout]     |
[INFO] [stdout] 174 | /                 std::process::Command::new(current_exe)
[INFO] [stdout] 175 | |                     .arg("open-in-place")
[INFO] [stdout] 176 | |                     .arg(name)
[INFO] [stdout] 177 | |                     .exec();
[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] 174 |                 let _ = std::process::Command::new(current_exe)
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/cli.rs:219:13
[INFO] [stdout]     |
[INFO] [stdout] 219 | /             std::process::Command::new("tmux")
[INFO] [stdout] 220 | |                 .arg("a")
[INFO] [stdout] 221 | |                 .arg("-t")
[INFO] [stdout] 222 | |                 .arg("taita-".to_string() + &name)
[INFO] [stdout] 223 | |                 .exec();
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 219 |             let _ = std::process::Command::new("tmux")
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "d8b139d81af574700b550dbb0cf43228e1a44e220f0b2c86c12b5db7aa641903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8b139d81af574700b550dbb0cf43228e1a44e220f0b2c86c12b5db7aa641903", kill_on_drop: false }`
[INFO] [stdout] d8b139d81af574700b550dbb0cf43228e1a44e220f0b2c86c12b5db7aa641903
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8b246b126b0465b5260260aa514aef88c60fc3a9029648713c5e560a31639df8
[INFO] running `Command { std: "docker" "start" "-a" "8b246b126b0465b5260260aa514aef88c60fc3a9029648713c5e560a31639df8", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `exec` that must be used
[INFO] [stderr]    --> src/cli.rs:174:17
[INFO] [stderr]     |
[INFO] [stderr] 174 | /                 std::process::Command::new(current_exe)
[INFO] [stderr] 175 | |                     .arg("open-in-place")
[INFO] [stderr] 176 | |                     .arg(name)
[INFO] [stderr] 177 | |                     .exec();
[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] 174 |                 let _ = std::process::Command::new(current_exe)
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `exec` that must be used
[INFO] [stderr]    --> src/cli.rs:219:13
[INFO] [stderr]     |
[INFO] [stderr] 219 | /             std::process::Command::new("tmux")
[INFO] [stderr] 220 | |                 .arg("a")
[INFO] [stderr] 221 | |                 .arg("-t")
[INFO] [stderr] 222 | |                 .arg("taita-".to_string() + &name)
[INFO] [stderr] 223 | |                 .exec();
[INFO] [stderr]     | |_______________________^
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 219 |             let _ = std::process::Command::new("tmux")
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `taita` (bin "taita" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/taita-cf79fc12f2cb68a5)
[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" "8b246b126b0465b5260260aa514aef88c60fc3a9029648713c5e560a31639df8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b246b126b0465b5260260aa514aef88c60fc3a9029648713c5e560a31639df8", kill_on_drop: false }`
[INFO] [stdout] 8b246b126b0465b5260260aa514aef88c60fc3a9029648713c5e560a31639df8