[INFO] fetching crate u2 0.1.13...
[INFO] testing u2-0.1.13 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate u2 0.1.13 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate u2 0.1.13
[INFO] finished tweaking crates.io crate u2 0.1.13
[INFO] tweaked toml for crates.io crate u2 0.1.13 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate u2 0.1.13 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] crate crates.io crate u2 0.1.13 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] fb6468a3e50e22b3c33cff5da2d05e0b77738a103d3b229fb0cf972619388ebb
[INFO] running `Command { std: "docker" "start" "-a" "fb6468a3e50e22b3c33cff5da2d05e0b77738a103d3b229fb0cf972619388ebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb6468a3e50e22b3c33cff5da2d05e0b77738a103d3b229fb0cf972619388ebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb6468a3e50e22b3c33cff5da2d05e0b77738a103d3b229fb0cf972619388ebb", kill_on_drop: false }`
[INFO] [stdout] fb6468a3e50e22b3c33cff5da2d05e0b77738a103d3b229fb0cf972619388ebb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 12f1e47d68b3455c9c4469f2e834f420892671b448df6412186e21536137b9f7
[INFO] running `Command { std: "docker" "start" "-a" "12f1e47d68b3455c9c4469f2e834f420892671b448df6412186e21536137b9f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling cc v1.2.34
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling bitflags v2.9.3
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling assertables v9.8.2
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling u2 v0.1.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.32s
[INFO] running `Command { std: "docker" "inspect" "12f1e47d68b3455c9c4469f2e834f420892671b448df6412186e21536137b9f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12f1e47d68b3455c9c4469f2e834f420892671b448df6412186e21536137b9f7", kill_on_drop: false }`
[INFO] [stdout] 12f1e47d68b3455c9c4469f2e834f420892671b448df6412186e21536137b9f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 450407c6e9753009a259095fd0310cf7c6a15e16965c092af0da85fc085fc35e
[INFO] running `Command { std: "docker" "start" "-a" "450407c6e9753009a259095fd0310cf7c6a15e16965c092af0da85fc085fc35e", kill_on_drop: false }`
[INFO] [stderr]    Compiling u2 v0.1.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "450407c6e9753009a259095fd0310cf7c6a15e16965c092af0da85fc085fc35e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "450407c6e9753009a259095fd0310cf7c6a15e16965c092af0da85fc085fc35e", kill_on_drop: false }`
[INFO] [stdout] 450407c6e9753009a259095fd0310cf7c6a15e16965c092af0da85fc085fc35e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bbee13ec0716c03818e25a7640ab047b327c34006973fe84e62fff6a53cd7690
[INFO] running `Command { std: "docker" "start" "-a" "bbee13ec0716c03818e25a7640ab047b327c34006973fe84e62fff6a53cd7690", 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/u2-742b952a069d317e)
[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 u2
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/protocol.rs - protocol::Challenge (line 15) ... ok
[INFO] [stdout] test src/util.rs - util::asn_length (line 68) ... ok
[INFO] [stdout] test src/util.rs - util::elapsed_time (line 42) ... ok
[INFO] [stdout] test src/util.rs - util::get_encoded (line 109) ... ok
[INFO] [stdout] test src/util.rs - util::shannon_entropy (line 131) ... ok
[INFO] [stdout] test src/u2ferror.rs - u2ferror::U2fError (line 6) ... ok
[INFO] [stdout] test src/u2ferror.rs - u2ferror::U2fError::fmt (line 50) ... ok
[INFO] [stdout] test src/util.rs - util::generate_challenge_randomness (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.93s; merged doctests compilation took 0.90s
[INFO] running `Command { std: "docker" "inspect" "bbee13ec0716c03818e25a7640ab047b327c34006973fe84e62fff6a53cd7690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbee13ec0716c03818e25a7640ab047b327c34006973fe84e62fff6a53cd7690", kill_on_drop: false }`
[INFO] [stdout] bbee13ec0716c03818e25a7640ab047b327c34006973fe84e62fff6a53cd7690