[INFO] fetching crate fast-csv-generator 0.1.0...
[INFO] testing fast-csv-generator-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate fast-csv-generator 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate fast-csv-generator 0.1.0
[INFO] finished tweaking crates.io crate fast-csv-generator 0.1.0
[INFO] tweaked toml for crates.io crate fast-csv-generator 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fast-csv-generator 0.1.0 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 fast-csv-generator 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8bf253ba699dfc80d5ddd59e5df33797fb0470bf899a8335d20b518bf297b012
[INFO] running `Command { std: "docker" "start" "-a" "8bf253ba699dfc80d5ddd59e5df33797fb0470bf899a8335d20b518bf297b012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bf253ba699dfc80d5ddd59e5df33797fb0470bf899a8335d20b518bf297b012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bf253ba699dfc80d5ddd59e5df33797fb0470bf899a8335d20b518bf297b012", kill_on_drop: false }`
[INFO] [stdout] 8bf253ba699dfc80d5ddd59e5df33797fb0470bf899a8335d20b518bf297b012
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 017f502b31073d12d16ae69b43be3cdd277dc35ee99cfd8b3207203e79ad2d99
[INFO] running `Command { std: "docker" "start" "-a" "017f502b31073d12d16ae69b43be3cdd277dc35ee99cfd8b3207203e79ad2d99", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.15
[INFO] [stderr]    Compiling prettyplease v0.2.29
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling bitflags v2.8.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling libloading v0.8.6
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling bindgen v0.69.5
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling cc v1.2.10
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling clap_builder v4.5.27
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling chrono v0.4.39
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling clap_derive v4.5.24
[INFO] [stderr]    Compiling clap v4.5.27
[INFO] [stderr]    Compiling libxlsxwriter-sys v1.1.7
[INFO] [stderr]    Compiling xlsxwriter v0.6.1
[INFO] [stderr]    Compiling fast-csv-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "017f502b31073d12d16ae69b43be3cdd277dc35ee99cfd8b3207203e79ad2d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "017f502b31073d12d16ae69b43be3cdd277dc35ee99cfd8b3207203e79ad2d99", kill_on_drop: false }`
[INFO] [stdout] 017f502b31073d12d16ae69b43be3cdd277dc35ee99cfd8b3207203e79ad2d99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ee23c2aea81f21184b6a9cfe1a9e9b42a7d7849c78be9f396eb90416efc41488
[INFO] running `Command { std: "docker" "start" "-a" "ee23c2aea81f21184b6a9cfe1a9e9b42a7d7849c78be9f396eb90416efc41488", kill_on_drop: false }`
[INFO] [stderr]    Compiling fast-csv-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "ee23c2aea81f21184b6a9cfe1a9e9b42a7d7849c78be9f396eb90416efc41488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee23c2aea81f21184b6a9cfe1a9e9b42a7d7849c78be9f396eb90416efc41488", kill_on_drop: false }`
[INFO] [stdout] ee23c2aea81f21184b6a9cfe1a9e9b42a7d7849c78be9f396eb90416efc41488
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] da58662195fc594e5509eed57e51d556b20360c4c5205f3925adfc704df3158f
[INFO] running `Command { std: "docker" "start" "-a" "da58662195fc594e5509eed57e51d556b20360c4c5205f3925adfc704df3158f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fast_csv_generator-51c2b2d13a4c4306)
[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" "da58662195fc594e5509eed57e51d556b20360c4c5205f3925adfc704df3158f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da58662195fc594e5509eed57e51d556b20360c4c5205f3925adfc704df3158f", kill_on_drop: false }`
[INFO] [stdout] da58662195fc594e5509eed57e51d556b20360c4c5205f3925adfc704df3158f