[INFO] fetching crate bitstream-io 1.0.0...
[INFO] testing bitstream-io-1.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate bitstream-io 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate bitstream-io 1.0.0 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 bitstream-io 1.0.0
[INFO] finished tweaking crates.io crate bitstream-io 1.0.0
[INFO] tweaked toml for crates.io crate bitstream-io 1.0.0 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ad42b314bb9f1022fdaebb328b4acc98848c759291b6476bacd77d34f209d9a
[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" "3ad42b314bb9f1022fdaebb328b4acc98848c759291b6476bacd77d34f209d9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ad42b314bb9f1022fdaebb328b4acc98848c759291b6476bacd77d34f209d9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ad42b314bb9f1022fdaebb328b4acc98848c759291b6476bacd77d34f209d9a", kill_on_drop: false }`
[INFO] [stdout] 3ad42b314bb9f1022fdaebb328b4acc98848c759291b6476bacd77d34f209d9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4703ce5a6616bca4bf189e39fdcbf653f9964a95b0b3346393bae28fbd90b668
[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" "4703ce5a6616bca4bf189e39fdcbf653f9964a95b0b3346393bae28fbd90b668", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitstream-io v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "4703ce5a6616bca4bf189e39fdcbf653f9964a95b0b3346393bae28fbd90b668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4703ce5a6616bca4bf189e39fdcbf653f9964a95b0b3346393bae28fbd90b668", kill_on_drop: false }`
[INFO] [stdout] 4703ce5a6616bca4bf189e39fdcbf653f9964a95b0b3346393bae28fbd90b668
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bc1ebf0b5942ff8af2adbe2ca3cf4f0a8c18bd08c4edd8035b204c7388bde8d
[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" "4bc1ebf0b5942ff8af2adbe2ca3cf4f0a8c18bd08c4edd8035b204c7388bde8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitstream-io v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.81s
[INFO] running `Command { std: "docker" "inspect" "4bc1ebf0b5942ff8af2adbe2ca3cf4f0a8c18bd08c4edd8035b204c7388bde8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc1ebf0b5942ff8af2adbe2ca3cf4f0a8c18bd08c4edd8035b204c7388bde8d", kill_on_drop: false }`
[INFO] [stdout] 4bc1ebf0b5942ff8af2adbe2ca3cf4f0a8c18bd08c4edd8035b204c7388bde8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 21f6bd799b4478a56517420175b1cb5d9a123c0ebadf7d8e40ad345e58f29b31
[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" "21f6bd799b4478a56517420175b1cb5d9a123c0ebadf7d8e40ad345e58f29b31", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bitstream_io-9d85db1002d8d17d
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/huffman-7e4e6e33e49f13bf
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_huffman_errors ... ok
[INFO] [stdout] test test_huffman_values ... ok
[INFO] [stdout] test test_lengthy_huffman_values ... 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/read-84f9142de039b037
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test_read_queue_be ... ok
[INFO] [stdout] test test_edge_cases_be ... ok
[INFO] [stdout] test test_read_queue_le ... ok
[INFO] [stdout] test test_edge_cases_le ... ok
[INFO] [stdout] test test_reader_bits_errors ... ok
[INFO] [stdout] test test_reader_be ... ok
[INFO] [stdout] test test_reader_huffman_le ... ok
[INFO] [stdout] test test_reader_io_errors_be ... ok
[INFO] [stdout] test test_reader_le ... ok
[INFO] [stdout] test test_reader_io_errors_le ... ok
[INFO] [stdout] test test_reader_huffman_be ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/roundtrip-9c8e9fcb752d73d3
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_unary_roundtrip_le ... ok
[INFO] [stdout] test test_unary_roundtrip_be ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/write-101b78c09fd9c5ad
[INFO] [stdout] test test_roundtrip_be ... ok
[INFO] [stdout] test test_roundtrip_le ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test test_counter_huffman_le ... ok
[INFO] [stdout] test test_counter_be ... ok
[INFO] [stdout] test test_counter_huffman_be ... ok
[INFO] [stdout] test test_recorder_huffman_be ... ok
[INFO] [stdout] test test_counter_le ... ok
[INFO] [stdout] test test_recorder_huffman_le ... ok
[INFO] [stdout] test test_recorder_be ... ok
[INFO] [stdout] test test_write_queue_edge_be ... ok
[INFO] [stdout] test test_recorder_le ... ok
[INFO] [stdout] test test_writer_be ... ok
[INFO] [stdout] test test_writer_bits_errors ... ok
[INFO] [stdout] test test_writer_huffman_le ... ok
[INFO] [stdout] test test_write_queue_edge_le ... ok
[INFO] [stdout] test test_write_queue_le ... ok
[INFO] [stdout] test test_writer_edge_cases_le ... ok
[INFO] [stdout] test test_writer_io_errors_le ... ok
[INFO] [stdout] test test_writer_huffman_be ... ok
[INFO] [stdout] test test_write_queue_be ... ok
[INFO] [stderr]    Doc-tests bitstream-io
[INFO] [stdout] test test_writer_io_errors_be ... ok
[INFO] [stdout] test test_writer_edge_cases_be ... ok
[INFO] [stdout] test test_writer_le ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 49 tests
[INFO] [stdout] test src/read.rs - read::BitReader<R, E>::byte_align (line 572) ... ok
[INFO] [stdout] test src/read.rs - read::BitReader<R, E>::read (line 351) ... ok
[INFO] [stdout] test src/read.rs - read::BitReader<R, E>::read_bit (line 318) ... ok
[INFO] [stdout] test src/read.rs - read::BitReader<R, E>::byte_aligned (line 555) ... ok
[INFO] [stdout] test src/read.rs - read::BitReader<R, E>::read (line 341) ... ok
[INFO] [stdout] test src/read.rs - read::BitReader<R, E>::into_unread (line 273) ... ok
[INFO] [stdout] test src/huffman.rs - huffman::compile_write_tree (line 250) ... ok
[INFO] [stdout] test src/read.rs - read::BitReader<R, E>::into_unread (line 284) ... ok
[INFO] [stdout] test src/huffman.rs - huffman::compile_read_tree (line 59) ... ok
[INFO] [stdout] test src/huffman.rs - huffman::compile_read_tree (line 50) ... ok
[INFO] [stdout] test src/huffman.rs - huffman::compile_write_tree (line 259) ... ok
[INFO] [stdout] test src/read.rs - read (line 17) ... ok
[INFO] [stdout] test src/read.rs - read::BitReader<R, E>::read_bit (line 303) ... ok
[INFO] [stdout] test src/read.rs - read::BitReader<R, E>::read (line 361) ... ok
[INFO] [stdout] test src/read.rs - read::ByteRead::read (line 735) ... ok
[INFO] [stdout] test src/read.rs - read::BitReader<R, E>::read_bytes (line 465) ... ok
[INFO] [stdout] test src/read.rs - read::BitReader<R, E>::read_unary0 (line 487) ... ok
[INFO] [stdout] test src/read.rs - read::BitReader<R, E>::read_signed (line 406) ... ok
[INFO] [stdout] test src/read.rs - read::BitReader<R, E>::read_huffman (line 589) ... ok
[INFO] [stdout] test src/read.rs - read::BitReader<R, E>::skip (line 434) ... ok
[INFO] [stdout] test src/read.rs - read::BitReader<R, E>::read_unary1 (line 531) ... ok
[INFO] [stdout] test src/read.rs - read::BitReader<R, E>::read_signed (line 397) ... ok
[INFO] [stdout] test src/read.rs - read::ByteRead::read (line 743) ... ok
[INFO] [stdout] test src/read.rs - read::BitReader<R, E>::read_unary0 (line 497) ... ok
[INFO] [stdout] test src/read.rs - read::BitReader<R, E>::read_unary1 (line 521) ... ok
[INFO] [stdout] test src/write.rs - write (line 17) ... ok
[INFO] [stdout] test src/write.rs - write::BitCounter (line 579) ... ok
[INFO] [stdout] test src/read.rs - read::BitReader<R, E>::read_signed (line 415) ... ok
[INFO] [stdout] test src/read.rs - read::BitReader<R, E>::skip (line 443) ... ok
[INFO] [stdout] test src/write.rs - write::BitWrite::write_unary0 (line 270) ... ok
[INFO] [stdout] test src/write.rs - write::BitWrite::write_unary1 (line 322) ... ok
[INFO] [stdout] test src/write.rs - write::BitWrite::byte_align (line 367) ... ok
[INFO] [stdout] test src/write.rs - write::BitWriter<W, E>::write (line 438) ... ok
[INFO] [stdout] test src/write.rs - write::BitWrite::write_bytes (line 247) ... ok
[INFO] [stdout] test src/write.rs - write::BitWrite::write_unary0 (line 280) ... ok
[INFO] [stdout] test src/write.rs - write::BitRecorder (line 802) ... ok
[INFO] [stdout] test src/write.rs - write::BitWriter<W, E>::byte_aligned (line 533) ... ok
[INFO] [stdout] test src/write.rs - write::BitWrite::write_unary1 (line 332) ... ok
[INFO] [stdout] test src/write.rs - write::BitWriter<W, E>::into_unwritten (line 170) ... ok
[INFO] [stdout] test src/write.rs - write::BitWriter<W, E>::into_unwritten (line 156) ... ok
[INFO] [stdout] test src/write.rs - write::BitWriter<W, E>::write (line 458) ... ok
[INFO] [stdout] test src/write.rs - write::BitWriter<W, E>::write_bit (line 399) ... ok
[INFO] [stdout] test src/write.rs - write::BitWriter<W, E>::write (line 448) ... ok
[INFO] [stdout] test src/write.rs - write::ByteWrite::write (line 1055) ... ok
[INFO] [stdout] test src/write.rs - write::BitWriter<W, E>::write_bit (line 414) ... ok
[INFO] [stdout] test src/write.rs - write::BitWriter<W, E>::write_signed (line 498) ... ok
[INFO] [stdout] test src/write.rs - write::ByteWrite::write (line 1063) ... ok
[INFO] [stdout] test src/write.rs - write::BitWriter<W, E>::write_signed (line 507) ... ok
[INFO] [stdout] test src/write.rs - write::BitWriter<W, E>::write_huffman (line 551) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 49 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "21f6bd799b4478a56517420175b1cb5d9a123c0ebadf7d8e40ad345e58f29b31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21f6bd799b4478a56517420175b1cb5d9a123c0ebadf7d8e40ad345e58f29b31", kill_on_drop: false }`
[INFO] [stdout] 21f6bd799b4478a56517420175b1cb5d9a123c0ebadf7d8e40ad345e58f29b31