[INFO] fetching crate i2u 0.9.1...
[INFO] testing i2u-0.9.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate i2u 0.9.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate i2u 0.9.1
[INFO] finished tweaking crates.io crate i2u 0.9.1
[INFO] tweaked toml for crates.io crate i2u 0.9.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate i2u 0.9.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.13.0 (available: v0.14.0)
[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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9bb63c20de6789683e5d3f29dcf4be969a697b186539d03c1a1fc9d5e184f62
[INFO] running `Command { std: "docker" "start" "-a" "d9bb63c20de6789683e5d3f29dcf4be969a697b186539d03c1a1fc9d5e184f62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9bb63c20de6789683e5d3f29dcf4be969a697b186539d03c1a1fc9d5e184f62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9bb63c20de6789683e5d3f29dcf4be969a697b186539d03c1a1fc9d5e184f62", kill_on_drop: false }`
[INFO] [stdout] d9bb63c20de6789683e5d3f29dcf4be969a697b186539d03c1a1fc9d5e184f62
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0da20b4a5df3d56cb3702193ba4d3a2224d0327164500dc0eb60bef9bb3b997e
[INFO] running `Command { std: "docker" "start" "-a" "0da20b4a5df3d56cb3702193ba4d3a2224d0327164500dc0eb60bef9bb3b997e", kill_on_drop: false }`
[INFO] [stderr]    Compiling i2u v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "0da20b4a5df3d56cb3702193ba4d3a2224d0327164500dc0eb60bef9bb3b997e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0da20b4a5df3d56cb3702193ba4d3a2224d0327164500dc0eb60bef9bb3b997e", kill_on_drop: false }`
[INFO] [stdout] 0da20b4a5df3d56cb3702193ba4d3a2224d0327164500dc0eb60bef9bb3b997e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2540446d15d66f74ecbb151167d8502cbfabbdcf808455689a6fcdfe038644f6
[INFO] running `Command { std: "docker" "start" "-a" "2540446d15d66f74ecbb151167d8502cbfabbdcf808455689a6fcdfe038644f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling i2u v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "2540446d15d66f74ecbb151167d8502cbfabbdcf808455689a6fcdfe038644f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2540446d15d66f74ecbb151167d8502cbfabbdcf808455689a6fcdfe038644f6", kill_on_drop: false }`
[INFO] [stdout] 2540446d15d66f74ecbb151167d8502cbfabbdcf808455689a6fcdfe038644f6
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 08144f7d5e0f84755efc99a34cb6a3e34d5423779ab886c19d95f38bbf18b41f
[INFO] running `Command { std: "docker" "start" "-a" "08144f7d5e0f84755efc99a34cb6a3e34d5423779ab886c19d95f38bbf18b41f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/i2u-142b382bf6e9b6e4)
[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 i2u
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/fmt/mod.rs - fmt::debug_pretty (line 107) ... ok
[INFO] [stdout] test src/fmt/mod.rs - fmt::lower_hex_zeropad (line 260) ... ok
[INFO] [stdout] test src/fmt/mod.rs - fmt::debug (line 82) ... ok
[INFO] [stdout] test src/fmt/mod.rs - fmt::debug (line 69) ... ok
[INFO] [stdout] test src/fmt/mod.rs - fmt::lower_hex_pad (line 218) ... ok
[INFO] [stdout] test src/fmt/mod.rs - fmt::binary_zero_pad (line 172) ... ok
[INFO] [stdout] test src/fmt/mod.rs - fmt::binary (line 151) ... ok
[INFO] [stdout] test src/fmt/mod.rs - fmt::octal (line 131) ... ok
[INFO] [stdout] test src/fmt/mod.rs - fmt::to_string (line 35) ... ok
[INFO] [stdout] test src/fmt/mod.rs - fmt::upper_hex_zeropad (line 281) ... ok
[INFO] [stdout] test src/fmt/mod.rs - fmt::binary_pad (line 194) ... ok
[INFO] [stdout] test src/fmt/mod.rs - fmt::upper_hex_pad (line 239) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.12s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "08144f7d5e0f84755efc99a34cb6a3e34d5423779ab886c19d95f38bbf18b41f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08144f7d5e0f84755efc99a34cb6a3e34d5423779ab886c19d95f38bbf18b41f", kill_on_drop: false }`
[INFO] [stdout] 08144f7d5e0f84755efc99a34cb6a3e34d5423779ab886c19d95f38bbf18b41f