[INFO] fetching crate slipmux 0.3.2...
[INFO] testing slipmux-0.3.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate slipmux 0.3.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate slipmux 0.3.2
[INFO] finished tweaking crates.io crate slipmux 0.3.2
[INFO] tweaked toml for crates.io crate slipmux 0.3.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slipmux 0.3.2 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] crate crates.io crate slipmux 0.3.2 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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8adada1993b343df76c95da30cba9eee5cd1d50eb12afb672618ead1ed7bac5a
[INFO] running `Command { std: "docker" "start" "-a" "8adada1993b343df76c95da30cba9eee5cd1d50eb12afb672618ead1ed7bac5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8adada1993b343df76c95da30cba9eee5cd1d50eb12afb672618ead1ed7bac5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8adada1993b343df76c95da30cba9eee5cd1d50eb12afb672618ead1ed7bac5a", kill_on_drop: false }`
[INFO] [stdout] 8adada1993b343df76c95da30cba9eee5cd1d50eb12afb672618ead1ed7bac5a
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4d47a3625ddca2144e3c95e911de6185a2275863499117fd2ff196de271c062
[INFO] running `Command { std: "docker" "start" "-a" "b4d47a3625ddca2144e3c95e911de6185a2275863499117fd2ff196de271c062", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial-line-ip v0.5.0
[INFO] [stderr]    Compiling slipmux v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "b4d47a3625ddca2144e3c95e911de6185a2275863499117fd2ff196de271c062", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4d47a3625ddca2144e3c95e911de6185a2275863499117fd2ff196de271c062", kill_on_drop: false }`
[INFO] [stdout] b4d47a3625ddca2144e3c95e911de6185a2275863499117fd2ff196de271c062
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 120baffb78b14bd040389e35da3aa88b4ad7a63a340e2cfe6d3b5b959a98c3fc
[INFO] running `Command { std: "docker" "start" "-a" "120baffb78b14bd040389e35da3aa88b4ad7a63a340e2cfe6d3b5b959a98c3fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling coap-message v0.3.6
[INFO] [stderr]    Compiling coap-message v0.2.3
[INFO] [stderr]    Compiling lru_time_cache v0.11.11
[INFO] [stderr]    Compiling coap-lite v0.13.1
[INFO] [stderr]    Compiling slipmux v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "120baffb78b14bd040389e35da3aa88b4ad7a63a340e2cfe6d3b5b959a98c3fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "120baffb78b14bd040389e35da3aa88b4ad7a63a340e2cfe6d3b5b959a98c3fc", kill_on_drop: false }`
[INFO] [stdout] 120baffb78b14bd040389e35da3aa88b4ad7a63a340e2cfe6d3b5b959a98c3fc
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5c4fe7ce8bcd5733ccc9c2fecfb8cc1ace5d512915fd2e4ab8cb0b5b13844a2c
[INFO] running `Command { std: "docker" "start" "-a" "5c4fe7ce8bcd5733ccc9c2fecfb8cc1ace5d512915fd2e4ab8cb0b5b13844a2c", 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/slipmux-eaea4be71515cf9e)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test checksum::tests::fcs ... ok
[INFO] [stdout] test encode::tests::encode_buffered_max_encoding_size ... ok
[INFO] [stdout] test encode::tests::direct_std ... ok
[INFO] [stdout] test encode::tests::simple_diagnostic ... ok
[INFO] [stdout] test encode::tests::direct ... ok
[INFO] [stdout] test framehandler::tests::configuration ... ok
[INFO] [stdout] test framehandler::tests::frame_abort ... ok
[INFO] [stdout] test framehandler::tests::ignore_empty_frames ... ok
[INFO] [stdout] test encode::tests::wrapper_diagnostic ... ok
[INFO] [stdout] test framehandler::tests::configuration_wrong_fcs ... ok
[INFO] [stdout] test framehandler::tests::diagnostic ... ok
[INFO] [stdout] test framehandler::tests::no_leading_deliminator ... ok
[INFO] [stdout] test framehandler::tests::encode_decode_all_frametypes ... ok
[INFO] [stdout] test tests::encode_decode_ip ... ok
[INFO] [stdout] test framehandler::tests::only_one_end_byte_frames ... ok
[INFO] [stdout] test tests::encode_decode_all_frametypes ... ok
[INFO] [stdout] test framehandler::tests::unkown_frametype ... ok
[INFO] [stdout] test framehandler::tests::stream_with_unkown_frametype_inbetween ... ok
[INFO] [stdout] test encode::tests::wrapper_configuration ... ok
[INFO] [stdout] test framehandler::tests::framehandler_method_beginn_twice - should panic ... ok
[INFO] [stdout] test framehandler::tests::framehandler_method_write_before_begin - should panic ... ok
[INFO] [stderr]    Doc-tests slipmux
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 90) ... ok
[INFO] [stdout] test src/lib.rs - (line 62) ... ok
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.66s; merged doctests compilation took 0.64s
[INFO] running `Command { std: "docker" "inspect" "5c4fe7ce8bcd5733ccc9c2fecfb8cc1ace5d512915fd2e4ab8cb0b5b13844a2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c4fe7ce8bcd5733ccc9c2fecfb8cc1ace5d512915fd2e4ab8cb0b5b13844a2c", kill_on_drop: false }`
[INFO] [stdout] 5c4fe7ce8bcd5733ccc9c2fecfb8cc1ace5d512915fd2e4ab8cb0b5b13844a2c