[INFO] fetching crate libbcsv 0.6.0...
[INFO] testing libbcsv-0.6.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate libbcsv 0.6.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate libbcsv 0.6.0
[INFO] finished tweaking crates.io crate libbcsv 0.6.0
[INFO] tweaked toml for crates.io crate libbcsv 0.6.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libbcsv 0.6.0 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 libbcsv 0.6.0 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 19036e80f4ca5af2a84c3902a3f5cb417267dc94de4a4285ce89a3aba963c74e
[INFO] running `Command { std: "docker" "start" "-a" "19036e80f4ca5af2a84c3902a3f5cb417267dc94de4a4285ce89a3aba963c74e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19036e80f4ca5af2a84c3902a3f5cb417267dc94de4a4285ce89a3aba963c74e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19036e80f4ca5af2a84c3902a3f5cb417267dc94de4a4285ce89a3aba963c74e", kill_on_drop: false }`
[INFO] [stdout] 19036e80f4ca5af2a84c3902a3f5cb417267dc94de4a4285ce89a3aba963c74e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a4f8e3d8d1b968ebe84a7e4d1ecc616927c42cc909313742d2d89f19fd604279
[INFO] running `Command { std: "docker" "start" "-a" "a4f8e3d8d1b968ebe84a7e4d1ecc616927c42cc909313742d2d89f19fd604279", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling bindgen v0.65.1
[INFO] [stderr]    Compiling shlex v1.2.0
[INFO] [stderr]    Compiling clang-sys v1.7.0
[INFO] [stderr]    Compiling prettyplease v0.2.16
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling libloading v0.8.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling libbcsv v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bytemuck v1.14.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling chrono v0.4.31
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling binrw_derive v0.11.2
[INFO] [stderr]    Compiling binrw v0.11.2
[INFO] [stderr]    Compiling libxlsxwriter-sys v1.1.5
[INFO] [stderr]    Compiling xlsxwriter v0.6.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.96s
[INFO] running `Command { std: "docker" "inspect" "a4f8e3d8d1b968ebe84a7e4d1ecc616927c42cc909313742d2d89f19fd604279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4f8e3d8d1b968ebe84a7e4d1ecc616927c42cc909313742d2d89f19fd604279", kill_on_drop: false }`
[INFO] [stdout] a4f8e3d8d1b968ebe84a7e4d1ecc616927c42cc909313742d2d89f19fd604279
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 512d0033f3d78becfaeb26fa21103265d6290c5d523e40a40772c591b1bfffcb
[INFO] running `Command { std: "docker" "start" "-a" "512d0033f3d78becfaeb26fa21103265d6290c5d523e40a40772c591b1bfffcb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libbcsv v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "512d0033f3d78becfaeb26fa21103265d6290c5d523e40a40772c591b1bfffcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "512d0033f3d78becfaeb26fa21103265d6290c5d523e40a40772c591b1bfffcb", kill_on_drop: false }`
[INFO] [stdout] 512d0033f3d78becfaeb26fa21103265d6290c5d523e40a40772c591b1bfffcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3fd02b93f7616f7b68963450604699c69e36bc197edd48099706aad43839515d
[INFO] running `Command { std: "docker" "start" "-a" "3fd02b93f7616f7b68963450604699c69e36bc197edd48099706aad43839515d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libbcsv-153e38530fab063f)
[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 libbcsv
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![cfg_attr(doc, feature(doc_cfg))]
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 1 previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type cdylib --crate-type rlib --color auto --crate-name libbcsv --test src/lib.rs --test-run-directory /opt/rustwide/workdir -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps -L native=/opt/rustwide/target/debug/build/libxlsxwriter-sys-59e168b1c171203a/out --extern binrw=/opt/rustwide/target/debug/deps/libbinrw-42a8e50c0ecc9910.rlib --extern encoding_rs=/opt/rustwide/target/debug/deps/libencoding_rs-2a0986d3eb52843d.rlib --extern libbcsv=/opt/rustwide/target/debug/deps/liblibbcsv.rlib --extern xlsxwriter=/opt/rustwide/target/debug/deps/libxlsxwriter-cae01f5099819d2a.rlib -C embed-bitcode=no --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("c_exports", "csv", "cxx", "cxx-build", "serde"))' --cap-lints=warn --error-format human` (exit status: 1)
[INFO] [stderr] note: test exited abnormally; to see the full output pass --no-capture to the harness.
[INFO] running `Command { std: "docker" "inspect" "3fd02b93f7616f7b68963450604699c69e36bc197edd48099706aad43839515d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fd02b93f7616f7b68963450604699c69e36bc197edd48099706aad43839515d", kill_on_drop: false }`
[INFO] [stdout] 3fd02b93f7616f7b68963450604699c69e36bc197edd48099706aad43839515d