[INFO] fetching crate futures-codec2 0.1.0...
[INFO] testing futures-codec2-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate futures-codec2 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate futures-codec2 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-codec2 0.1.0
[INFO] finished tweaking crates.io crate futures-codec2 0.1.0
[INFO] tweaked toml for crates.io crate futures-codec2 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c07ce63be4b8744c295ea2b368ecdfdcbcf27a0ad4d2f10d461824448f041b2a
[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" "c07ce63be4b8744c295ea2b368ecdfdcbcf27a0ad4d2f10d461824448f041b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c07ce63be4b8744c295ea2b368ecdfdcbcf27a0ad4d2f10d461824448f041b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c07ce63be4b8744c295ea2b368ecdfdcbcf27a0ad4d2f10d461824448f041b2a", kill_on_drop: false }`
[INFO] [stdout] c07ce63be4b8744c295ea2b368ecdfdcbcf27a0ad4d2f10d461824448f041b2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 328737be2eb6947b0af9950783ac2a678b8da7c504baa6141a83b756aeae68a6
[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" "328737be2eb6947b0af9950783ac2a678b8da7c504baa6141a83b756aeae68a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bytes v1.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.0
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling futures-codec2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.70s
[INFO] running `Command { std: "docker" "inspect" "328737be2eb6947b0af9950783ac2a678b8da7c504baa6141a83b756aeae68a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "328737be2eb6947b0af9950783ac2a678b8da7c504baa6141a83b756aeae68a6", kill_on_drop: false }`
[INFO] [stdout] 328737be2eb6947b0af9950783ac2a678b8da7c504baa6141a83b756aeae68a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 9fdabb2905634f6248a8c04da252ce6fdadc9913dfd235e9389d943f9558c73a
[INFO] running `Command { std: "docker" "start" "-a" "9fdabb2905634f6248a8c04da252ce6fdadc9913dfd235e9389d943f9558c73a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling futures-test v0.3.8
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]    Compiling async-stream v0.3.0
[INFO] [stderr]    Compiling tokio-stream v0.1.0
[INFO] [stderr]    Compiling tokio-test v0.4.0
[INFO] [stderr]    Compiling futures-codec2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.08s
[INFO] running `Command { std: "docker" "inspect" "9fdabb2905634f6248a8c04da252ce6fdadc9913dfd235e9389d943f9558c73a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fdabb2905634f6248a8c04da252ce6fdadc9913dfd235e9389d943f9558c73a", kill_on_drop: false }`
[INFO] [stdout] 9fdabb2905634f6248a8c04da252ce6fdadc9913dfd235e9389d943f9558c73a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] 872e128ac109a3b2690f34a016b21a8f236e87974be4f9aaf6b748201c73fbf8
[INFO] running `Command { std: "docker" "start" "-a" "872e128ac109a3b2690f34a016b21a8f236e87974be4f9aaf6b748201c73fbf8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/futures_codec2-6d0356ce239d29e3
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/codecs-fb7e89662c0e9c42
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test lines_decoder_max_length ... ok
[INFO] [stdout] test lines_decoder ... ok
[INFO] [stdout] test lines_decoder_max_length_underrun ... ok
[INFO] [stdout] test bytes_decoder ... ok
[INFO] [stdout] test lines_decoder_max_length_newline_between_decodes ... ok
[INFO] [stdout] test lines_decoder_max_length_big_burst ... ok
[INFO] [stdout] test lines_decoder_max_length_bursts ... ok
[INFO] [stdout] test bytes_encoder ... ok
[INFO] [stdout] test lines_encoder ... ok
[INFO] [stdout] test lines_decoder_discard_repeat ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/framed-e639b6f87e0cda7e
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test external_buf_grows_to_init ... ok
[INFO] [stdout] test can_read_from_existing_buf ... ok
[INFO] [stdout] test external_buf_does_not_shrink ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/framed_read-f63e02b58ab659ba
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test read_not_ready ... ok
[INFO] [stdout] test read_partial_then_not_ready ... ok
[INFO] [stdout] test read_partial_then_err ... ok
[INFO] [stdout] test read_multi_frame_in_packet ... ok
[INFO] [stdout] test read_err ... ok
[INFO] [stdout] test multi_frames_on_eof ... ok
[INFO] [stdout] test data_remaining_is_error ... ok
[INFO] [stdout] test read_partial_would_block_then_err ... ok
[INFO] [stdout] test huge_size ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/framed_write-c52bb1b2d2853920
[INFO] [stdout] test read_multi_frame_across_packets ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test write_multi_frame_in_packet ... ok
[INFO] [stdout] test write_hits_backpressure ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/length_delimited-9267e5ae6e96d0bd
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test read_incomplete_head_multi ... ok
[INFO] [stdout] test read_one_byte_length_field ... ok
[INFO] [stdout] test read_single_frame_multi_packet ... ok
[INFO] [stdout] test read_single_frame_one_packet_native_endian ... ok
[INFO] [stdout] test read_multi_frame_multi_packet ... ok
[INFO] [stdout] test read_single_multi_frame_one_packet ... ok
[INFO] [stdout] test read_update_max_frame_len_at_rest ... ok
[INFO] [stdout] test read_multi_frame_multi_packet_wait ... ok
[INFO] [stdout] test read_single_frame_length_adjusted ... ok
[INFO] [stdout] test read_single_frame_multi_packet_wait ... ok
[INFO] [stdout] test read_single_frame_one_packet ... ok
[INFO] [stdout] test read_single_frame_one_packet_little_endian ... ok
[INFO] [stdout] test read_max_frame_len ... ok
[INFO] [stdout] test read_incomplete_payload ... ok
[INFO] [stdout] test read_incomplete_head ... ok
[INFO] [stdout] test read_header_offset ... ok
[INFO] [stdout] test read_empty_io_yields_nothing ... ok
[INFO] [stdout] test write_max_frame_len ... ok
[INFO] [stdout] test encode_overflow ... ok
[INFO] [stdout] test write_single_frame_with_short_length_field ... ok
[INFO] [stdout] test write_single_frame_would_block ... ok
[INFO] [stdout] test write_single_multi_frame_one_packet ... ok
[INFO] [stdout] test write_update_max_frame_len_at_rest ... ok
[INFO] [stdout] test write_single_multi_frame_multi_packet ... ok
[INFO] [stdout] test write_update_max_frame_len_in_flight ... ok
[INFO] [stdout] test read_single_multi_frame_one_packet_skip_none_adjusted ... ok
[INFO] [stdout] test read_single_multi_frame_one_packet_length_includes_head ... ok
[INFO] [stdout] test write_zero ... ok
[INFO] [stdout] test write_single_frame_little_endian ... ok
[INFO] [stdout] test write_single_frame_one_packet ... ok
[INFO] [stdout] test write_nothing_yields_nothing ... ok
[INFO] [stdout] test read_update_max_frame_len_in_flight ... ok
[INFO] [stdout] test write_single_frame_length_adjusted ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests futures-codec2
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test src/decoder.rs - decoder::Decoder::decode (line 78) ... ok
[INFO] [stdout] test src/length_delimited.rs - length_delimited (line 17) ... ok
[INFO] [stdout] test src/length_delimited.rs - length_delimited (line 347) ... ok
[INFO] [stdout] test src/length_delimited.rs - length_delimited (line 225) ... ok
[INFO] [stdout] test src/length_delimited.rs - length_delimited (line 81) ... ok
[INFO] [stdout] test src/length_delimited.rs - length_delimited (line 310) ... ok
[INFO] [stdout] test src/length_delimited.rs - length_delimited::Builder::big_endian (line 673) ... ok
[INFO] [stdout] test src/length_delimited.rs - length_delimited (line 41) ... ok
[INFO] [stdout] test src/length_delimited.rs - length_delimited::Builder::length_adjustment (line 823) ... ok
[INFO] [stdout] test src/length_delimited.rs - length_delimited (line 115) ... ok
[INFO] [stdout] test src/length_delimited.rs - length_delimited (line 271) ... ok
[INFO] [stdout] test src/length_delimited.rs - length_delimited::Builder::length_field_length (line 779) ... ok
[INFO] [stdout] test src/length_delimited.rs - length_delimited (line 181) ... ok
[INFO] [stdout] test src/length_delimited.rs - length_delimited::Builder::length_field_offset (line 802) ... ok
[INFO] [stdout] test src/length_delimited.rs - length_delimited (line 147) ... ok
[INFO] [stdout] test src/length_delimited.rs - length_delimited::Builder::new (line 629) ... ok
[INFO] [stdout] test src/length_delimited.rs - length_delimited::Builder::max_frame_length (line 755) ... ok
[INFO] [stdout] test src/bytes_codec.rs - bytes_codec::BytesCodec (line 13) ... ok
[INFO] [stdout] test src/lib.rs - (line 64) ... ok
[INFO] [stdout] test src/length_delimited.rs - length_delimited::Builder::num_skip (line 847) ... ok
[INFO] [stdout] test src/lib.rs - (line 189) ... ok
[INFO] [stdout] test src/length_delimited.rs - length_delimited::Builder::little_endian (line 697) ... ok
[INFO] [stdout] test src/length_delimited.rs - length_delimited::Builder::new_read (line 889) ... ok
[INFO] [stdout] test src/length_delimited.rs - length_delimited::Builder::new_framed (line 935) ... ok
[INFO] [stdout] test src/lib.rs - (line 105) ... ok
[INFO] [stdout] test src/length_delimited.rs - length_delimited::Builder::new_write (line 914) ... ok
[INFO] [stdout] test src/length_delimited.rs - length_delimited::Builder::native_endian (line 721) ... ok
[INFO] [stdout] test src/length_delimited.rs - length_delimited::Builder::new_codec (line 867) ... ok
[INFO] [stdout] test src/lib.rs - (line 237) ... ok
[INFO] [stdout] test src/lines_codec.rs - lines_codec::LinesCodec::max_length (line 77) ... ok
[INFO] [stdout] test src/lines_codec.rs - lines_codec::LinesCodec::max_length (line 71) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "872e128ac109a3b2690f34a016b21a8f236e87974be4f9aaf6b748201c73fbf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "872e128ac109a3b2690f34a016b21a8f236e87974be4f9aaf6b748201c73fbf8", kill_on_drop: false }`
[INFO] [stdout] 872e128ac109a3b2690f34a016b21a8f236e87974be4f9aaf6b748201c73fbf8