[INFO] fetching crate protocol 3.1.7...
[INFO] testing protocol-3.1.7 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate protocol 3.1.7 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate protocol 3.1.7 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate protocol 3.1.7
[INFO] removed 6 missing examples
[INFO] finished tweaking crates.io crate protocol 3.1.7
[INFO] tweaked toml for crates.io crate protocol 3.1.7 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate protocol 3.1.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b30657b05603f1fda0c985ad51243ec924df41f377a3add549558164f52db88e
[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" "b30657b05603f1fda0c985ad51243ec924df41f377a3add549558164f52db88e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b30657b05603f1fda0c985ad51243ec924df41f377a3add549558164f52db88e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b30657b05603f1fda0c985ad51243ec924df41f377a3add549558164f52db88e", kill_on_drop: false }`
[INFO] [stdout] b30657b05603f1fda0c985ad51243ec924df41f377a3add549558164f52db88e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ad5cb2d3e1c3a939e6e51d7c5cd2f0c07c1b40e67dc5c9da8d02093543ad21c
[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" "4ad5cb2d3e1c3a939e6e51d7c5cd2f0c07c1b40e67dc5c9da8d02093543ad21c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling flate2 v1.0.16
[INFO] [stderr]    Compiling protocol v3.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.65s
[INFO] running `Command { std: "docker" "inspect" "4ad5cb2d3e1c3a939e6e51d7c5cd2f0c07c1b40e67dc5c9da8d02093543ad21c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ad5cb2d3e1c3a939e6e51d7c5cd2f0c07c1b40e67dc5c9da8d02093543ad21c", kill_on_drop: false }`
[INFO] [stdout] 4ad5cb2d3e1c3a939e6e51d7c5cd2f0c07c1b40e67dc5c9da8d02093543ad21c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--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] f41e8a8377c45b118604aecf66fa612960adbd119ede1b5aa1b0e629c6c79f35
[INFO] running `Command { std: "docker" "start" "-a" "f41e8a8377c45b118604aecf66fa612960adbd119ede1b5aa1b0e629c6c79f35", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling protocol-derive v3.1.7
[INFO] [stderr]    Compiling protocol v3.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.35s
[INFO] running `Command { std: "docker" "inspect" "f41e8a8377c45b118604aecf66fa612960adbd119ede1b5aa1b0e629c6c79f35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f41e8a8377c45b118604aecf66fa612960adbd119ede1b5aa1b0e629c6c79f35", kill_on_drop: false }`
[INFO] [stdout] f41e8a8377c45b118604aecf66fa612960adbd119ede1b5aa1b0e629c6c79f35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 38347e51e3decde69fc6235c883489bb59c6eb700e4608382d56c520a6641ca7
[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" "38347e51e3decde69fc6235c883489bb59c6eb700e4608382d56c520a6641ca7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/protocol-8895bd0caa9e07c1
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test types::collections::list::vec_deque::test::can_be_written_and_read_back_correctly ... ok
[INFO] [stdout] test types::cstring::test::can_read_cstring ... ok
[INFO] [stdout] test types::cstring::test::can_write_cstring ... ok
[INFO] [stdout] test types::collections::list::hash_set::test::can_be_written_and_read_back_correctly ... ok
[INFO] [stdout] test types::collections::list::btree_set::test::can_be_written_and_read_back_correctly ... ok
[INFO] [stdout] test types::array::test::can_read_array ... ok
[INFO] [stdout] test wire::middleware::rotate_bytes::test::bytes_read_back_correctly ... ok
[INFO] [stdout] test logic::aligned::test::alignment_calculations::test_aligning_when_none_needed ... ok
[INFO] [stdout] test wire::middleware::rotate_bytes::test::bytes_decoded_correctly ... 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_align_to_4_with_size_2 ... ok
[INFO] [stdout] test wire::middleware::rotate_bytes::test::bytes_encoded_correctly ... ok
[INFO] [stdout] test types::collections::list::linked_list::test::can_be_written_and_read_back_correctly ... ok
[INFO] [stdout] test wire::stream::transport::simple::test::serialises_the_data_with_32bit_length_prefix ... ok
[INFO] [stdout] test wire::middleware::pipeline::test::successfully_passes_data_through_the_pipeline ... ok
[INFO] [stdout] test wire::stream::transport::simple::test::successfully_deserializes_data_with_32bit_length_prefix ... ok
[INFO] [stdout] test types::array::test::can_write_array ... ok
[INFO] [stdout] test logic::aligned::test::alignment_calculations::test_align_to_3_with_size_2 ... ok
[INFO] [stderr]    Doc-tests protocol
[INFO] [stdout] test logic::aligned::test::alignment_calculations::test_align_to_3_with_size_5 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/attributes/mod.rs - attributes (line 5) ... ok
[INFO] [stdout] test src/attributes/mod.rs - attributes (line 94) ... ok
[INFO] [stdout] test src/attributes/mod.rs - attributes (line 59) ... ok
[INFO] [stdout] test src/attributes/mod.rs - attributes (line 36) ... ok
[INFO] [stdout] test src/lib.rs - (line 50) ... ok
[INFO] [stdout] test src/lib.rs - (line 131) ... ok
[INFO] [stdout] test src/lib.rs - (line 76) ... ok
[INFO] [stdout] test src/high_level.rs - high_level::HighLevel (line 13) ... ok
[INFO] [stdout] test src/wire/reader.rs - wire::reader::Reader (line 23) ... ok
[INFO] [stdout] test src/logic/aligned.rs - logic::aligned::Aligned (line 25) ... ok
[INFO] [stdout] test src/lib.rs - (line 105) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "38347e51e3decde69fc6235c883489bb59c6eb700e4608382d56c520a6641ca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38347e51e3decde69fc6235c883489bb59c6eb700e4608382d56c520a6641ca7", kill_on_drop: false }`
[INFO] [stdout] 38347e51e3decde69fc6235c883489bb59c6eb700e4608382d56c520a6641ca7