[INFO] fetching crate zero_based_index 0.2.2...
[INFO] testing zero_based_index-0.2.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate zero_based_index 0.2.2 into /workspace/builds/worker-5-tc2/source
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate zero_based_index 0.2.2
[INFO] finished tweaking crates.io crate zero_based_index 0.2.2
[INFO] tweaked toml for crates.io crate zero_based_index 0.2.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zero_based_index 0.2.2 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1fe09ddb7c9d985bafde7ceff39f51de04731c8053872a40b732a5211ac77e9
[INFO] running `Command { std: "docker" "start" "-a" "f1fe09ddb7c9d985bafde7ceff39f51de04731c8053872a40b732a5211ac77e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1fe09ddb7c9d985bafde7ceff39f51de04731c8053872a40b732a5211ac77e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1fe09ddb7c9d985bafde7ceff39f51de04731c8053872a40b732a5211ac77e9", kill_on_drop: false }`
[INFO] [stdout] f1fe09ddb7c9d985bafde7ceff39f51de04731c8053872a40b732a5211ac77e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7a8c3d4f873405c02e91f8bd6c3f13f73a58fd180ed4bf7d42feb81d6d7c512
[INFO] running `Command { std: "docker" "start" "-a" "c7a8c3d4f873405c02e91f8bd6c3f13f73a58fd180ed4bf7d42feb81d6d7c512", kill_on_drop: false }`
[INFO] [stderr]    Compiling zero_based_index v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `std`
[INFO] [stdout]  --> src/lib.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "std", no_std)]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `const_fn`, `const_inherent_unchecked_arith`, `doc`, `include_display_mode_tex`, `nightly`, and `unchecked_math`
[INFO] [stdout]   = help: consider adding `std` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "c7a8c3d4f873405c02e91f8bd6c3f13f73a58fd180ed4bf7d42feb81d6d7c512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7a8c3d4f873405c02e91f8bd6c3f13f73a58fd180ed4bf7d42feb81d6d7c512", kill_on_drop: false }`
[INFO] [stdout] c7a8c3d4f873405c02e91f8bd6c3f13f73a58fd180ed4bf7d42feb81d6d7c512
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af18f05b223491eb8a9f31a0d31ec7e353f0439c20fcea57d326ca9a96d14605
[INFO] running `Command { std: "docker" "start" "-a" "af18f05b223491eb8a9f31a0d31ec7e353f0439c20fcea57d326ca9a96d14605", kill_on_drop: false }`
[INFO] [stderr]    Compiling zero_based_index v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `std`
[INFO] [stdout]  --> src/lib.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "std", no_std)]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `const_fn`, `const_inherent_unchecked_arith`, `doc`, `include_display_mode_tex`, `nightly`, and `unchecked_math`
[INFO] [stdout]   = help: consider adding `std` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `std`
[INFO] [stdout]  --> src/lib.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "std", no_std)]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `const_fn`, `const_inherent_unchecked_arith`, `doc`, `include_display_mode_tex`, `nightly`, and `unchecked_math`
[INFO] [stdout]   = help: consider adding `std` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "af18f05b223491eb8a9f31a0d31ec7e353f0439c20fcea57d326ca9a96d14605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af18f05b223491eb8a9f31a0d31ec7e353f0439c20fcea57d326ca9a96d14605", kill_on_drop: false }`
[INFO] [stdout] af18f05b223491eb8a9f31a0d31ec7e353f0439c20fcea57d326ca9a96d14605
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5c9e10d00e39d1b2ce7ac773ace4581b57e2f9cd4ffec4454cfe64c7b5a74a67
[INFO] running `Command { std: "docker" "start" "-a" "5c9e10d00e39d1b2ce7ac773ace4581b57e2f9cd4ffec4454cfe64c7b5a74a67", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition value: `std`
[INFO] [stderr]  --> src/lib.rs:2:13
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![cfg_attr(feature = "std", no_std)]
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: expected values for `feature` are: `const_fn`, `const_inherent_unchecked_arith`, `doc`, `include_display_mode_tex`, `nightly`, and `unchecked_math`
[INFO] [stderr]   = help: consider adding `std` as a feature in `Cargo.toml`
[INFO] [stderr]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `zero_based_index` (lib) generated 1 warning
[INFO] [stderr] warning: `zero_based_index` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/zero_based_index-833dfbffab098e41)
[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 zero_based_index
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/lib.rs - ZBI<usize>::to_len (line 30) ... ok
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] test src/lib.rs - ZBI<usize>::to_len (line 39) ... ok
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5c9e10d00e39d1b2ce7ac773ace4581b57e2f9cd4ffec4454cfe64c7b5a74a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c9e10d00e39d1b2ce7ac773ace4581b57e2f9cd4ffec4454cfe64c7b5a74a67", kill_on_drop: false }`
[INFO] [stdout] 5c9e10d00e39d1b2ce7ac773ace4581b57e2f9cd4ffec4454cfe64c7b5a74a67