[INFO] fetching crate mls-rs-core 0.24.0...
[INFO] testing mls-rs-core-0.24.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mls-rs-core 0.24.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate mls-rs-core 0.24.0
[INFO] finished tweaking crates.io crate mls-rs-core 0.24.0
[INFO] tweaked toml for crates.io crate mls-rs-core 0.24.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mls-rs-core 0.24.0 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] crate crates.io crate mls-rs-core 0.24.0 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-2025-09-21" "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] 779eb13d371e1473fc62a46aadfd25e1c42d2f74b9c9ac7082ac43a0038f5766
[INFO] running `Command { std: "docker" "start" "-a" "779eb13d371e1473fc62a46aadfd25e1c42d2f74b9c9ac7082ac43a0038f5766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "779eb13d371e1473fc62a46aadfd25e1c42d2f74b9c9ac7082ac43a0038f5766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "779eb13d371e1473fc62a46aadfd25e1c42d2f74b9c9ac7082ac43a0038f5766", kill_on_drop: false }`
[INFO] [stdout] 779eb13d371e1473fc62a46aadfd25e1c42d2f74b9c9ac7082ac43a0038f5766
[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] 64dda679f1011c9d8caca604a9010cd55547b3c35b3116fc0f43f973bef9bd35
[INFO] running `Command { std: "docker" "start" "-a" "64dda679f1011c9d8caca604a9010cd55547b3c35b3116fc0f43f973bef9bd35", kill_on_drop: false }`
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling syn v2.0.102
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling maybe-async v0.2.10
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling mls-rs-codec-derive v0.2.0
[INFO] [stderr]    Compiling mls-rs-codec v0.7.0
[INFO] [stderr]    Compiling mls-rs-core v0.24.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.76s
[INFO] running `Command { std: "docker" "inspect" "64dda679f1011c9d8caca604a9010cd55547b3c35b3116fc0f43f973bef9bd35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64dda679f1011c9d8caca604a9010cd55547b3c35b3116fc0f43f973bef9bd35", kill_on_drop: false }`
[INFO] [stdout] 64dda679f1011c9d8caca604a9010cd55547b3c35b3116fc0f43f973bef9bd35
[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] aba9f07460aef33551334d8be0aa8f7e36ae9ab2f55a289d78f238eea9519335
[INFO] running `Command { std: "docker" "start" "-a" "aba9f07460aef33551334d8be0aa8f7e36ae9ab2f55a289d78f238eea9519335", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling mls-rs-core v0.24.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "aba9f07460aef33551334d8be0aa8f7e36ae9ab2f55a289d78f238eea9519335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aba9f07460aef33551334d8be0aa8f7e36ae9ab2f55a289d78f238eea9519335", kill_on_drop: false }`
[INFO] [stdout] aba9f07460aef33551334d8be0aa8f7e36ae9ab2f55a289d78f238eea9519335
[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] d3ac6800648e6f641d51cd8f90e9bf9e5839e0ed9e735f708fdc6eeded3f28b2
[INFO] running `Command { std: "docker" "start" "-a" "d3ac6800648e6f641d51cd8f90e9bf9e5839e0ed9e735f708fdc6eeded3f28b2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mls_rs_core-db974a4bdfbe3bfb)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test debug::tests::alternate_format_contains_length_and_hex_encoded_bytes ... ok
[INFO] [stdout] test extension::list::tests::deserializing_extension_list_fails_on_duplicate_extension ... ok
[INFO] [stdout] test extension::list::tests::extending_extension_list_maintains_extension_uniqueness ... ok
[INFO] [stdout] test extension::list::tests::extension_list_equality_does_not_consider_order ... ok
[INFO] [stdout] test extension::list::tests::extension_list_from_vec_maintains_extension_uniqueness ... ok
[INFO] [stdout] test extension::list::tests::extension_list_is_serialized_like_a_sequence_of_extensions ... ok
[INFO] [stdout] test error::tests::inner_dyn_error_returns_wrapped_error_with_data ... ok
[INFO] [stdout] test extension::list::tests::extension_list_will_return_none_for_type_not_stored ... ok
[INFO] [stdout] test extension::list::tests::test_extension_list_has_ext ... ok
[INFO] [stdout] test extension::tests::into_extension ... ok
[INFO] [stdout] test extension::list::tests::test_extension_list_get_set ... ok
[INFO] [stdout] test extension::list::tests::extension_list_can_overwrite_values ... ok
[INFO] [stdout] test extension::list::tests::test_extension_list_get_set_from_get_as ... ok
[INFO] [stdout] test extension::tests::incorrect_type_is_discovered ... ok
[INFO] [stdout] test debug::tests::default_format_contains_only_length ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mls_rs_core
[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] running `Command { std: "docker" "inspect" "d3ac6800648e6f641d51cd8f90e9bf9e5839e0ed9e735f708fdc6eeded3f28b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3ac6800648e6f641d51cd8f90e9bf9e5839e0ed9e735f708fdc6eeded3f28b2", kill_on_drop: false }`
[INFO] [stdout] d3ac6800648e6f641d51cd8f90e9bf9e5839e0ed9e735f708fdc6eeded3f28b2