[INFO] fetching crate cobs-codec 0.1.0...
[INFO] testing cobs-codec-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate cobs-codec 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate cobs-codec 0.1.0
[INFO] finished tweaking crates.io crate cobs-codec 0.1.0
[INFO] tweaked toml for crates.io crate cobs-codec 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cobs-codec 0.1.0 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] 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 46 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6cadbb799ffc29c494b8fc41edc91497f8e9a82a49b69859828b2fbe0d3a24b5
[INFO] running `Command { std: "docker" "start" "-a" "6cadbb799ffc29c494b8fc41edc91497f8e9a82a49b69859828b2fbe0d3a24b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cadbb799ffc29c494b8fc41edc91497f8e9a82a49b69859828b2fbe0d3a24b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cadbb799ffc29c494b8fc41edc91497f8e9a82a49b69859828b2fbe0d3a24b5", kill_on_drop: false }`
[INFO] [stdout] 6cadbb799ffc29c494b8fc41edc91497f8e9a82a49b69859828b2fbe0d3a24b5
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e58b221dbde33b9d6dfe3800f5c422e067ceea099ff2505a6a3501c75f51e216
[INFO] running `Command { std: "docker" "start" "-a" "e58b221dbde33b9d6dfe3800f5c422e067ceea099ff2505a6a3501c75f51e216", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling cobs-codec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.71s
[INFO] running `Command { std: "docker" "inspect" "e58b221dbde33b9d6dfe3800f5c422e067ceea099ff2505a6a3501c75f51e216", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e58b221dbde33b9d6dfe3800f5c422e067ceea099ff2505a6a3501c75f51e216", kill_on_drop: false }`
[INFO] [stdout] e58b221dbde33b9d6dfe3800f5c422e067ceea099ff2505a6a3501c75f51e216
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7e12c412068d69ee1e65f70a5aff99f0fd82005c3a6643cd1deb1e3164b1b3a
[INFO] running `Command { std: "docker" "start" "-a" "b7e12c412068d69ee1e65f70a5aff99f0fd82005c3a6643cd1deb1e3164b1b3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling cobs-codec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 15.20s
[INFO] running `Command { std: "docker" "inspect" "b7e12c412068d69ee1e65f70a5aff99f0fd82005c3a6643cd1deb1e3164b1b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7e12c412068d69ee1e65f70a5aff99f0fd82005c3a6643cd1deb1e3164b1b3a", kill_on_drop: false }`
[INFO] [stdout] b7e12c412068d69ee1e65f70a5aff99f0fd82005c3a6643cd1deb1e3164b1b3a
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e3de7371859606f85f426d824ed156f1e7010241e185d23e531604f65a4059c1
[INFO] running `Command { std: "docker" "start" "-a" "e3de7371859606f85f426d824ed156f1e7010241e185d23e531604f65a4059c1", 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/cobs_codec-1aa079b2c0e3c0c7)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test test::decode ... ok
[INFO] [stdout] test test::decode_len ... ok
[INFO] [stdout] test test::decode_missing_initial_frame ... ok
[INFO] [stdout] test test::decode_missing_later_frame ... ok
[INFO] [stdout] test test::decode_multiple_frames ... ok
[INFO] [stdout] test test::decode_need_more_data_at_chunk_end ... ok
[INFO] [stdout] test test::decode_need_more_data_initially ... ok
[INFO] [stdout] test test::decode_need_more_data_while_reading ... ok
[INFO] [stdout] test test::decode_recover_after_frame_overflow ... ok
[INFO] [stdout] test test::decode_need_more_data_at_chunk_start ... ok
[INFO] [stdout] test test::decode_need_more_data_within_chunk ... ok
[INFO] [stdout] test test::decode_recover_after_missing_frame ... ok
[INFO] [stdout] test test::encode ... ok
[INFO] [stdout] test test::decode_unexpected_sentinel ... ok
[INFO] [stdout] test test::decode_recover_after_unexpected_sentinel ... ok
[INFO] [stdout] test test::decode_frame_overflow_between_chunk ... ok
[INFO] [stdout] test test::encode_len ... ok
[INFO] [stdout] test test::decode_no_frame_overflow_between_chunk ... ok
[INFO] [stdout] test test::decode_frame_overflow_in_chunk ... ok
[INFO] [stdout] test test::decode_need_more_data_when_lost ... ok
[INFO] [stdout] test test::decode_no_frame_overflow_in_chunk ... ok
[INFO] [stdout] test test::roundtrip ... ok
[INFO] [stdout] test test::len_roundtrip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cobs_codec
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 33) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e3de7371859606f85f426d824ed156f1e7010241e185d23e531604f65a4059c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3de7371859606f85f426d824ed156f1e7010241e185d23e531604f65a4059c1", kill_on_drop: false }`
[INFO] [stdout] e3de7371859606f85f426d824ed156f1e7010241e185d23e531604f65a4059c1