[INFO] fetching crate to_csv 1.0.1...
[INFO] testing to_csv-1.0.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate to_csv 1.0.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate to_csv 1.0.1
[INFO] finished tweaking crates.io crate to_csv 1.0.1
[INFO] tweaked toml for crates.io crate to_csv 1.0.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate to_csv 1.0.1 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 to_csv 1.0.1 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] 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] 8c0de2eee704a8ff14f2c72b639d1aa1bdd03b3cdde7e28e6a8d987b45d5e042
[INFO] running `Command { std: "docker" "start" "-a" "8c0de2eee704a8ff14f2c72b639d1aa1bdd03b3cdde7e28e6a8d987b45d5e042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c0de2eee704a8ff14f2c72b639d1aa1bdd03b3cdde7e28e6a8d987b45d5e042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c0de2eee704a8ff14f2c72b639d1aa1bdd03b3cdde7e28e6a8d987b45d5e042", kill_on_drop: false }`
[INFO] [stdout] 8c0de2eee704a8ff14f2c72b639d1aa1bdd03b3cdde7e28e6a8d987b45d5e042
[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] 07dbaff96e3cd22613e8a72b2a9c60284a1bbf91db0f122480862095a4adb982
[INFO] running `Command { std: "docker" "start" "-a" "07dbaff96e3cd22613e8a72b2a9c60284a1bbf91db0f122480862095a4adb982", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling to_csv v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "07dbaff96e3cd22613e8a72b2a9c60284a1bbf91db0f122480862095a4adb982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07dbaff96e3cd22613e8a72b2a9c60284a1bbf91db0f122480862095a4adb982", kill_on_drop: false }`
[INFO] [stdout] 07dbaff96e3cd22613e8a72b2a9c60284a1bbf91db0f122480862095a4adb982
[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] 3d607d73a3c6a908cdf40b8e0cbe0e0b6d578b8a3841494705d1f5e32b6ac85c
[INFO] running `Command { std: "docker" "start" "-a" "3d607d73a3c6a908cdf40b8e0cbe0e0b6d578b8a3841494705d1f5e32b6ac85c", kill_on_drop: false }`
[INFO] [stderr]    Compiling to_csv v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "3d607d73a3c6a908cdf40b8e0cbe0e0b6d578b8a3841494705d1f5e32b6ac85c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d607d73a3c6a908cdf40b8e0cbe0e0b6d578b8a3841494705d1f5e32b6ac85c", kill_on_drop: false }`
[INFO] [stdout] 3d607d73a3c6a908cdf40b8e0cbe0e0b6d578b8a3841494705d1f5e32b6ac85c
[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] b20d2ce00e41f88380ba6ed7b4821fd490edad0b58e48c5f1e5b21f35ca31f17
[INFO] running `Command { std: "docker" "start" "-a" "b20d2ce00e41f88380ba6ed7b4821fd490edad0b58e48c5f1e5b21f35ca31f17", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/to_csv-03007ec58e50b82d)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests to_csv
[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 src/lib.rs - (line 12) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 12) stdout ----
[INFO] [stdout] error: expected `;`, found keyword `let`
[INFO] [stdout]   --> src/lib.rs:36:117
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let entries = vec![TypeA {name: "Test Data".to_string(), value: "10".to_string(), date: "6/3/2025".to_string()}]
[INFO] [stdout]    |                                                                                                                     ^ help: add `;` here
[INFO] [stdout] 37 |     let _ = to_csv_file("csv_file.csv", &entries);
[INFO] [stdout]    |     --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `CSV` in this scope
[INFO] [stdout]   --> src/lib.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl CSV for TypeA {
[INFO] [stdout]    |      ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `to_csv_file` in this scope
[INFO] [stdout]   --> src/lib.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let _ = to_csv_file("csv_file.csv", &entries);
[INFO] [stdout]    |             ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 12)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.23s; merged doctests compilation took 0.08s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "b20d2ce00e41f88380ba6ed7b4821fd490edad0b58e48c5f1e5b21f35ca31f17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b20d2ce00e41f88380ba6ed7b4821fd490edad0b58e48c5f1e5b21f35ca31f17", kill_on_drop: false }`
[INFO] [stdout] b20d2ce00e41f88380ba6ed7b4821fd490edad0b58e48c5f1e5b21f35ca31f17
