[INFO] fetching crate integer-iterator 0.3.0...
[INFO] testing integer-iterator-0.3.0 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate integer-iterator 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate integer-iterator 0.3.0
[INFO] finished tweaking crates.io crate integer-iterator 0.3.0
[INFO] tweaked toml for crates.io crate integer-iterator 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate integer-iterator 0.3.0 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05c9d2f7586a8ea5537d466b34ed3b72a5d2c8a8f6c954e477aaaf4d232c00d8
[INFO] running `Command { std: "docker" "start" "-a" "05c9d2f7586a8ea5537d466b34ed3b72a5d2c8a8f6c954e477aaaf4d232c00d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05c9d2f7586a8ea5537d466b34ed3b72a5d2c8a8f6c954e477aaaf4d232c00d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05c9d2f7586a8ea5537d466b34ed3b72a5d2c8a8f6c954e477aaaf4d232c00d8", kill_on_drop: false }`
[INFO] [stdout] 05c9d2f7586a8ea5537d466b34ed3b72a5d2c8a8f6c954e477aaaf4d232c00d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54410881a5fcd3e2694f5e9c4ea38a7d48d55807f004d6f75d8c9723cf58141c
[INFO] running `Command { std: "docker" "start" "-a" "54410881a5fcd3e2694f5e9c4ea38a7d48d55807f004d6f75d8c9723cf58141c", kill_on_drop: false }`
[INFO] [stderr]    Compiling integer-iterator v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "54410881a5fcd3e2694f5e9c4ea38a7d48d55807f004d6f75d8c9723cf58141c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54410881a5fcd3e2694f5e9c4ea38a7d48d55807f004d6f75d8c9723cf58141c", kill_on_drop: false }`
[INFO] [stdout] 54410881a5fcd3e2694f5e9c4ea38a7d48d55807f004d6f75d8c9723cf58141c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f7fc919d1395597467d082ab5a64ed668af9464f71af97bb21a6826956a3b76
[INFO] running `Command { std: "docker" "start" "-a" "9f7fc919d1395597467d082ab5a64ed668af9464f71af97bb21a6826956a3b76", kill_on_drop: false }`
[INFO] [stderr]    Compiling integer-iterator v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "9f7fc919d1395597467d082ab5a64ed668af9464f71af97bb21a6826956a3b76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f7fc919d1395597467d082ab5a64ed668af9464f71af97bb21a6826956a3b76", kill_on_drop: false }`
[INFO] [stdout] 9f7fc919d1395597467d082ab5a64ed668af9464f71af97bb21a6826956a3b76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 806dd93b3db3fd22a595dac3f9b741701c18be00c4064ded9d5abe9e3feb317d
[INFO] running `Command { std: "docker" "start" "-a" "806dd93b3db3fd22a595dac3f9b741701c18be00c4064ded9d5abe9e3feb317d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/integer_iterator-fdf413f68aab0843)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_all_numbers ... 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] [stderr]    Doc-tests integer_iterator
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - DigitIterator (line 6) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - DigitIterator (line 6) stdout ----
[INFO] [stdout] error[E0423]: cannot initialize a tuple struct which contains private fields
[INFO] [stdout]   --> src/lib.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | let mut y = DigitIterator(30u32);
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: constructor is not visible here due to private fields
[INFO] [stdout]   --> src/lib.rs:17:36
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct DigitIterator<T>(pub T, bool); // TODO :: Where T is an integer?
[INFO] [stdout]    |                                    ^^^^ private field
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0423`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - DigitIterator (line 6)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "806dd93b3db3fd22a595dac3f9b741701c18be00c4064ded9d5abe9e3feb317d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "806dd93b3db3fd22a595dac3f9b741701c18be00c4064ded9d5abe9e3feb317d", kill_on_drop: false }`
[INFO] [stdout] 806dd93b3db3fd22a595dac3f9b741701c18be00c4064ded9d5abe9e3feb317d
