[INFO] fetching crate occams-rpc-core 0.2.0...
[INFO] testing occams-rpc-core-0.2.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate occams-rpc-core 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate occams-rpc-core 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate occams-rpc-core 0.2.0
[INFO] tweaked toml for crates.io crate occams-rpc-core 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate occams-rpc-core 0.2.0 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 occams-rpc-core 0.2.0 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] fee910ebbef4646dffc505065ada76485b4912b50615fa3b7cb0f123484e4cc2
[INFO] running `Command { std: "docker" "start" "-a" "fee910ebbef4646dffc505065ada76485b4912b50615fa3b7cb0f123484e4cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fee910ebbef4646dffc505065ada76485b4912b50615fa3b7cb0f123484e4cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fee910ebbef4646dffc505065ada76485b4912b50615fa3b7cb0f123484e4cc2", kill_on_drop: false }`
[INFO] [stdout] fee910ebbef4646dffc505065ada76485b4912b50615fa3b7cb0f123484e4cc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 69ffc5b3fbfc4ea018d16814e74fab0bc86f9c9807e905cbc693cb02d5a4bc1b
[INFO] running `Command { std: "docker" "start" "-a" "69ffc5b3fbfc4ea018d16814e74fab0bc86f9c9807e905cbc693cb02d5a4bc1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling value-bag v1.11.1
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling close_fds v0.3.2
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling fail v0.5.1
[INFO] [stderr]    Compiling io-buffer v1.0.3
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling strum v0.27.2
[INFO] [stderr]    Compiling occams-rpc-core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.67s
[INFO] running `Command { std: "docker" "inspect" "69ffc5b3fbfc4ea018d16814e74fab0bc86f9c9807e905cbc693cb02d5a4bc1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69ffc5b3fbfc4ea018d16814e74fab0bc86f9c9807e905cbc693cb02d5a4bc1b", kill_on_drop: false }`
[INFO] [stdout] 69ffc5b3fbfc4ea018d16814e74fab0bc86f9c9807e905cbc693cb02d5a4bc1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 788f16a7387de8127e2a859c95585c444168b69b62ee346a614472fe3d8061da
[INFO] running `Command { std: "docker" "start" "-a" "788f16a7387de8127e2a859c95585c444168b69b62ee346a614472fe3d8061da", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling toml_parser v1.0.4
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling toml_edit v0.23.7
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling num_enum_derive v0.7.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling num_enum v0.7.5
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling strum v0.27.2
[INFO] [stderr]    Compiling occams-rpc-core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 19.44s
[INFO] running `Command { std: "docker" "inspect" "788f16a7387de8127e2a859c95585c444168b69b62ee346a614472fe3d8061da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "788f16a7387de8127e2a859c95585c444168b69b62ee346a614472fe3d8061da", kill_on_drop: false }`
[INFO] [stdout] 788f16a7387de8127e2a859c95585c444168b69b62ee346a614472fe3d8061da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e1b2647546ac747701290b6c908f3182427aa8847c610e1a3ec166bc984d4fad
[INFO] running `Command { std: "docker" "start" "-a" "e1b2647546ac747701290b6c908f3182427aa8847c610e1a3ec166bc984d4fad", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/occams_rpc_core-49d327c9fbb3b4d7)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test error::tests::test_internal_error ... ok
[INFO] [stderr]      Running tests/buf_stream.rs (/opt/rustwide/target/debug/deps/buf_stream-38807e29bcb2f887)
[INFO] [stdout] test error::tests::test_rpc_error_default ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test_async_read_bypass_random ... ok
[INFO] [stdout] test test_async_read_bypass_fixed ... ok
[INFO] [stdout] test test_async_read_exact_fixed_chunks ... ok
[INFO] [stdout] test test_async_read_exact_random_chunks ... ok
[INFO] [stdout] test test_async_read_multiple_reads_fixed ... ok
[INFO] [stdout] test test_async_read_multiple_reads_random ... ok
[INFO] [stdout] test test_async_write_all_buffering_random ... ok
[INFO] [stdout] test test_async_write_all_buffering_deterministic ... ok
[INFO] [stdout] test test_async_write_bypass_deterministic ... ok
[INFO] [stdout] test test_async_write_bypass_random ... ok
[INFO] [stdout] test test_random_read_sizes_and_returns ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests occams_rpc_core
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/error.rs - error::RpcErrCodec (line 144) ... ok
[INFO] [stdout] test src/error.rs - error::RpcErrCodec (line 108) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.59s; merged doctests compilation took 0.58s
[INFO] running `Command { std: "docker" "inspect" "e1b2647546ac747701290b6c908f3182427aa8847c610e1a3ec166bc984d4fad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1b2647546ac747701290b6c908f3182427aa8847c610e1a3ec166bc984d4fad", kill_on_drop: false }`
[INFO] [stdout] e1b2647546ac747701290b6c908f3182427aa8847c610e1a3ec166bc984d4fad