[INFO] fetching crate protocol 3.1.9...
[INFO] testing protocol-3.1.9 against 1.55.0 for beta-1.56-1
[INFO] extracting crate protocol 3.1.9 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate protocol 3.1.9 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate protocol 3.1.9
[INFO] removed 6 missing examples
[INFO] finished tweaking crates.io crate protocol 3.1.9
[INFO] tweaked toml for crates.io crate protocol 3.1.9 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate protocol 3.1.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84f3789846e89140825b83c6d167451d0048a6d58093272e60b2b149d5e02f07
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "84f3789846e89140825b83c6d167451d0048a6d58093272e60b2b149d5e02f07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84f3789846e89140825b83c6d167451d0048a6d58093272e60b2b149d5e02f07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84f3789846e89140825b83c6d167451d0048a6d58093272e60b2b149d5e02f07", kill_on_drop: false }`
[INFO] [stdout] 84f3789846e89140825b83c6d167451d0048a6d58093272e60b2b149d5e02f07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2c1f6d7df06dc048fd84313c2a08ec76e0bafe73e8ec2dd7756e61f8597f1c91
[INFO] running `Command { std: "docker" "start" "-a" "2c1f6d7df06dc048fd84313c2a08ec76e0bafe73e8ec2dd7756e61f8597f1c91", kill_on_drop: false }`
[INFO] [stderr]    Compiling backtrace v0.3.56
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling protocol v3.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.90s
[INFO] running `Command { std: "docker" "inspect" "2c1f6d7df06dc048fd84313c2a08ec76e0bafe73e8ec2dd7756e61f8597f1c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c1f6d7df06dc048fd84313c2a08ec76e0bafe73e8ec2dd7756e61f8597f1c91", kill_on_drop: false }`
[INFO] [stdout] 2c1f6d7df06dc048fd84313c2a08ec76e0bafe73e8ec2dd7756e61f8597f1c91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3330f4878ff87c6e50f6aff51e21369c1aac4a1f0fab74e9443fa9e5d6c477de
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3330f4878ff87c6e50f6aff51e21369c1aac4a1f0fab74e9443fa9e5d6c477de", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling protocol-derive v3.1.9
[INFO] [stderr]    Compiling protocol v3.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.35s
[INFO] running `Command { std: "docker" "inspect" "3330f4878ff87c6e50f6aff51e21369c1aac4a1f0fab74e9443fa9e5d6c477de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3330f4878ff87c6e50f6aff51e21369c1aac4a1f0fab74e9443fa9e5d6c477de", kill_on_drop: false }`
[INFO] [stdout] 3330f4878ff87c6e50f6aff51e21369c1aac4a1f0fab74e9443fa9e5d6c477de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3238c3f6845016a4a1447350fb2d7d3aae7688e6be1f8a409ef2db62e1888c48
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3238c3f6845016a4a1447350fb2d7d3aae7688e6be1f8a409ef2db62e1888c48", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/protocol-854b81e90ec7b59a)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test logic::aligned::test::alignment_calculations::test_align_to_4_with_size_2 ... ok
[INFO] [stdout] test logic::aligned::test::alignment_calculations::test_align_to_3_with_size_2 ... ok
[INFO] [stdout] test logic::aligned::test::alignment_calculations::test_align_to_3_with_size_5 ... ok
[INFO] [stdout] test logic::aligned::test::alignment_calculations::test_align_to_4_with_size_97 ... ok
[INFO] [stdout] test logic::aligned::test::alignment_calculations::test_aligning_when_none_needed ... ok
[INFO] [stdout] test types::array::test::can_read_array ... ok
[INFO] [stdout] test types::array::test::can_write_array ... ok
[INFO] [stdout] test types::collections::list::btree_set::test::can_be_written_and_read_back_correctly ... ok
[INFO] [stdout] test types::collections::list::hash_set::test::can_be_written_and_read_back_correctly ... ok
[INFO] [stdout] test types::collections::list::linked_list::test::can_be_written_and_read_back_correctly ... ok
[INFO] [stdout] test types::collections::list::vec_deque::test::can_be_written_and_read_back_correctly ... ok
[INFO] [stdout] test types::cstring::test::can_write_cstring ... ok
[INFO] [stdout] test types::cstring::test::can_read_cstring ... ok
[INFO] [stdout] test wire::middleware::pipeline::test::successfully_passes_data_through_the_pipeline ... ok
[INFO] [stdout] test wire::middleware::rotate_bytes::test::bytes_encoded_correctly ... ok
[INFO] [stdout] test wire::middleware::rotate_bytes::test::bytes_decoded_correctly ... ok
[INFO] [stdout] test wire::middleware::rotate_bytes::test::bytes_read_back_correctly ... ok
[INFO] [stdout] test wire::stream::transport::simple::test::serialises_the_data_with_32bit_length_prefix ... ok
[INFO] [stdout] test wire::stream::transport::simple::test::successfully_deserializes_data_with_32bit_length_prefix ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests protocol
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name protocol --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-08a7de27a3da0e1a.rlib --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-01b745a2311baa5b.rlib --extern flate2=/opt/rustwide/target/debug/deps/libflate2-529b1eefc57cea24.rlib --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-7b6445d372d84407.rlib --extern protocol=/opt/rustwide/target/debug/deps/libprotocol-77331803cb94c6b8.rlib --extern protocol_derive=/opt/rustwide/target/debug/deps/libprotocol_derive-f231289af6414f36.so --extern uuid=/opt/rustwide/target/debug/deps/libuuid-f6bcebced8f4dc8a.rlib -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="uuid"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "3238c3f6845016a4a1447350fb2d7d3aae7688e6be1f8a409ef2db62e1888c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3238c3f6845016a4a1447350fb2d7d3aae7688e6be1f8a409ef2db62e1888c48", kill_on_drop: false }`
[INFO] [stdout] 3238c3f6845016a4a1447350fb2d7d3aae7688e6be1f8a409ef2db62e1888c48