[INFO] fetching crate bitbuffer 0.8.1...
[INFO] testing bitbuffer-0.8.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate bitbuffer 0.8.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate bitbuffer 0.8.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitbuffer 0.8.1
[INFO] finished tweaking crates.io crate bitbuffer 0.8.1
[INFO] tweaked toml for crates.io crate bitbuffer 0.8.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0bbfc7d4aba8ffabccd3d5d6e7a4f8d2c21f7c96a92f4b9ccf27c5097dffea5
[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" "f0bbfc7d4aba8ffabccd3d5d6e7a4f8d2c21f7c96a92f4b9ccf27c5097dffea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0bbfc7d4aba8ffabccd3d5d6e7a4f8d2c21f7c96a92f4b9ccf27c5097dffea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0bbfc7d4aba8ffabccd3d5d6e7a4f8d2c21f7c96a92f4b9ccf27c5097dffea5", kill_on_drop: false }`
[INFO] [stdout] f0bbfc7d4aba8ffabccd3d5d6e7a4f8d2c21f7c96a92f4b9ccf27c5097dffea5
[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" "+beta-2021-01-01" "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] 5cede4ab53dde5a95535caa6de16a04612964fa5bb16119a260367e688e0b8ec
[INFO] running `Command { std: "docker" "start" "-a" "5cede4ab53dde5a95535caa6de16a04612964fa5bb16119a260367e688e0b8ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn_util v0.4.2
[INFO] [stderr]    Compiling bitbuffer_derive v0.8.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]    Compiling bitbuffer v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.89s
[INFO] running `Command { std: "docker" "inspect" "5cede4ab53dde5a95535caa6de16a04612964fa5bb16119a260367e688e0b8ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cede4ab53dde5a95535caa6de16a04612964fa5bb16119a260367e688e0b8ec", kill_on_drop: false }`
[INFO] [stdout] 5cede4ab53dde5a95535caa6de16a04612964fa5bb16119a260367e688e0b8ec
[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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68244df173664b6ce96412c4fdf1e8ddee50e5a6ac3dcfd863f6bb6f6c97e857
[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" "68244df173664b6ce96412c4fdf1e8ddee50e5a6ac3dcfd863f6bb6f6c97e857", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitbuffer v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.40s
[INFO] running `Command { std: "docker" "inspect" "68244df173664b6ce96412c4fdf1e8ddee50e5a6ac3dcfd863f6bb6f6c97e857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68244df173664b6ce96412c4fdf1e8ddee50e5a6ac3dcfd863f6bb6f6c97e857", kill_on_drop: false }`
[INFO] [stdout] 68244df173664b6ce96412c4fdf1e8ddee50e5a6ac3dcfd863f6bb6f6c97e857
[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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 79875b2836a504c868edf08f5f77057dc6e2219caa4057c410b8aaa5a33183e2
[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" "79875b2836a504c868edf08f5f77057dc6e2219caa4057c410b8aaa5a33183e2", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bitbuffer-62f91f7c26a68dc8
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/read_tests-cc6fe482331cc6eb
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test read_i64_le ... ok
[INFO] [stdout] test read_i8_le ... ok
[INFO] [stdout] test read_i64_be ... ok
[INFO] [stdout] test read_f32_le ... ok
[INFO] [stdout] test read_i16_be ... ok
[INFO] [stdout] test read_i32_be ... ok
[INFO] [stdout] test read_read_signed ... ok
[INFO] [stdout] test read_trait ... ok
[INFO] [stdout] test read_trait_unchecked ... ok
[INFO] [stdout] test read_sized_trait ... ok
[INFO] [stdout] test read_sized_trait_unchecked ... ok
[INFO] [stdout] test read_i32_le ... ok
[INFO] [stdout] test read_i8_be ... ok
[INFO] [stdout] test read_u32_le ... ok
[INFO] [stdout] test test_invalid_utf8 ... ok
[INFO] [stdout] test read_i16_le ... ok
[INFO] [stdout] test read_f64_le ... ok
[INFO] [stdout] test read_u16_be ... ok
[INFO] [stdout] test read_u64_le ... ok
[INFO] [stdout] test read_u64_be ... ok
[INFO] [stdout] test read_u32_be ... ok
[INFO] [stdout] test test_read_str_be ... ok
[INFO] [stdout] test read_u8_be ... ok
[INFO] [stdout] test read_u8_le ... ok
[INFO] [stdout] test test_read_str_le ... ok
[INFO] [stdout] test test_from ... ok
[INFO] [stdout] test test_read_str_no_null_termination_le ... ok
[INFO] [stdout] test test_read_str_no_null_termination_be ... ok
[INFO] [stdout] test test_to_owned_stream ... ok
[INFO] [stdout] test read_u16_le ... ok
[INFO] [stdout] test test_read_nonzero ... ok
[INFO] [stdout] test test_read_struct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/write_tests-1c11ad38a7e0bc89
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test_write_float_le ... ok
[INFO] [stdout] test test_write_string_le ... ok
[INFO] [stdout] test test_write_bool_be ... ok
[INFO] [stdout] test test_write_bool_le ... ok
[INFO] [stdout] test test_write_bool_number_le ... ok
[INFO] [stdout] test test_write_bool_number_be ... ok
[INFO] [stdout] test test_write_float_be ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bitbuffer
[INFO] [stdout] 
[INFO] [stdout] running 38 tests
[INFO] [stdout] test src/read.rs - read::BitReadSized (line 398) ... ok
[INFO] [stdout] test src/read.rs - read::BitRead (line 76) ... ok
[INFO] [stdout] test src/read.rs - read::BitReadSized (line 372) ... ok
[INFO] [stdout] test src/readbuffer.rs - readbuffer::BitReadBuffer::read_int (line 333) ... ok
[INFO] [stdout] test src/readbuffer.rs - readbuffer::BitReadBuffer::new_owned (line 167) ... ok
[INFO] [stdout] test src/read.rs - read::BitRead (line 64) ... ok
[INFO] [stdout] test src/readbuffer.rs - readbuffer::BitReadBuffer::read_float (line 667) ... ok
[INFO] [stdout] test src/readbuffer.rs - readbuffer::BitReadBuffer::read_bool (line 274) ... ok
[INFO] [stdout] test src/readbuffer.rs - readbuffer::BitReadBuffer::new (line 117) ... ok
[INFO] [stdout] test src/read.rs - read::BitRead (line 31) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] test src/readbuffer.rs - readbuffer::BitReadBuffer (line 84) ... ok
[INFO] [stdout] test src/readbuffer.rs - readbuffer::BitReadBuffer::read_bytes (line 472) ... ok
[INFO] [stdout] test src/readstream.rs - readstream::BitReadStream::new (line 48) ... ok
[INFO] [stdout] test src/readstream.rs - readstream::BitReadStream::bit_len (line 463) ... ok
[INFO] [stdout] test src/readbuffer.rs - readbuffer::BitReadBuffer::read_string (line 554) ... ok
[INFO] [stdout] test src/readstream.rs - readstream::BitReadStream::pos (line 486) ... ok
[INFO] [stdout] test src/readstream.rs - readstream::BitReadStream (line 18) ... ok
[INFO] [stdout] test src/readstream.rs - readstream::BitReadStream::bits_left (line 511) ... ok
[INFO] [stdout] test src/readstream.rs - readstream::BitReadStream::read (line 536) ... ok
[INFO] [stdout] test src/readstream.rs - readstream::BitReadStream::read (line 555) ... ok
[INFO] [stdout] test src/readstream.rs - readstream::BitReadStream::read_bool (line 76) ... ok
[INFO] [stdout] test src/readstream.rs - readstream::BitReadStream::read_float (line 172) ... ok
[INFO] [stdout] test src/readstream.rs - readstream::BitReadStream::read_bytes (line 223) ... ok
[INFO] [stdout] test src/readstream.rs - readstream::BitReadStream::read_int (line 121) ... ok
[INFO] [stdout] test src/readstream.rs - readstream::BitReadStream::read_bits (line 349) ... ok
[INFO] [stdout] test src/readstream.rs - readstream::BitReadStream::read_sized (line 601) ... ok
[INFO] [stdout] test src/writestream.rs - writestream::BitWriteStream<E>::new (line 49) ... ok
[INFO] [stdout] test src/readstream.rs - readstream::BitReadStream::read_sized (line 618) ... ok
[INFO] [stdout] test src/readstream.rs - readstream::BitReadStream::skip_bits (line 390) ... ok
[INFO] [stdout] test src/readstream.rs - readstream::BitReadStream::set_pos (line 429) ... ok
[INFO] [stdout] test src/writestream.rs - writestream::BitWriteStream (line 18) ... ok
[INFO] [stdout] test src/writestream.rs - writestream::BitWriteStream<E>::write_bool (line 120) ... ok
[INFO] [stdout] test src/writestream.rs - writestream::BitWriteStream<E>::write_bytes (line 219) ... ok
[INFO] [stdout] test src/readstream.rs - readstream::BitReadStream::read_string (line 272) ... ok
[INFO] [stdout] test src/writestream.rs - writestream::BitWriteStream<E>::write_int (line 142) ... ok
[INFO] [stdout] test src/writestream.rs - writestream::BitWriteStream<E>::write_string (line 250) ... ok
[INFO] [stdout] test src/writestream.rs - writestream::BitWriteStream<E>::write_float (line 185) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 38 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 9.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "79875b2836a504c868edf08f5f77057dc6e2219caa4057c410b8aaa5a33183e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79875b2836a504c868edf08f5f77057dc6e2219caa4057c410b8aaa5a33183e2", kill_on_drop: false }`
[INFO] [stdout] 79875b2836a504c868edf08f5f77057dc6e2219caa4057c410b8aaa5a33183e2