[INFO] fetching crate bytebuffer 0.2.1...
[INFO] testing bytebuffer-0.2.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate bytebuffer 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bytebuffer 0.2.1 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 bytebuffer 0.2.1
[INFO] finished tweaking crates.io crate bytebuffer 0.2.1
[INFO] tweaked toml for crates.io crate bytebuffer 0.2.1 written to /workspace/builds/worker-4/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-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" "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] 5bd75f20855987ae2f0ce83de8c445d8eb12abfea5d3d3489e86e8ba3bcea1c5
[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" "5bd75f20855987ae2f0ce83de8c445d8eb12abfea5d3d3489e86e8ba3bcea1c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bd75f20855987ae2f0ce83de8c445d8eb12abfea5d3d3489e86e8ba3bcea1c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bd75f20855987ae2f0ce83de8c445d8eb12abfea5d3d3489e86e8ba3bcea1c5", kill_on_drop: false }`
[INFO] [stdout] 5bd75f20855987ae2f0ce83de8c445d8eb12abfea5d3d3489e86e8ba3bcea1c5
[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" "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] [stdout] 116c5283c78a9d2373b3e3587fe6a14b2286e8b269c64ff00e1df8ab7f5f4e78
[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" "116c5283c78a9d2373b3e3587fe6a14b2286e8b269c64ff00e1df8ab7f5f4e78", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v0.3.13
[INFO] [stderr]    Compiling bytebuffer v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "116c5283c78a9d2373b3e3587fe6a14b2286e8b269c64ff00e1df8ab7f5f4e78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "116c5283c78a9d2373b3e3587fe6a14b2286e8b269c64ff00e1df8ab7f5f4e78", kill_on_drop: false }`
[INFO] [stdout] 116c5283c78a9d2373b3e3587fe6a14b2286e8b269c64ff00e1df8ab7f5f4e78
[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" "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] 7918e88ab77270dd0f461b890a05efb81e8d37208987c288ac6c127d0feba35a
[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" "7918e88ab77270dd0f461b890a05efb81e8d37208987c288ac6c127d0feba35a", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytebuffer v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "7918e88ab77270dd0f461b890a05efb81e8d37208987c288ac6c127d0feba35a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7918e88ab77270dd0f461b890a05efb81e8d37208987c288ac6c127d0feba35a", kill_on_drop: false }`
[INFO] [stdout] 7918e88ab77270dd0f461b890a05efb81e8d37208987c288ac6c127d0feba35a
[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" "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] 494bc72c337b334181c91af842affe9df82a371098746b9deaa28ca574956600
[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" "494bc72c337b334181c91af842affe9df82a371098746b9deaa28ca574956600", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bytebuffer-00d56fde5a92b8a2
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib-13bb28b33b5ab9a1
[INFO] [stdout] 
[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 26 tests
[INFO] [stdout] test test_debug ... ok
[INFO] [stdout] test test_from_bytes ... ok
[INFO] [stdout] test test_read_empty_buffer ... ok
[INFO] [stdout] test test_empty ... ok
[INFO] [stdout] test test_u16 ... ok
[INFO] [stdout] test test_to_string ... ok
[INFO] [stdout] test test_to_bytes ... ok
[INFO] [stdout] test test_u32 ... ok
[INFO] [stdout] test test_string ... ok
[INFO] [stdout] test test_signed ... ok
[INFO] [stdout] test test_rpos ... ok
[INFO] [stdout] test test_u64 ... ok
[INFO] [stdout] test test_u8 ... ok
[INFO] [stdout] test test_wpos ... ok
[INFO] [stdout] test test_write ... ok
[INFO] [stdout] test test_write_bit ... ok
[INFO] [stdout] test test_write_bits ... ok
[INFO] [stdout] test test_read_larger_buffer_twice ... ok
[INFO] [stdout] test test_mixed ... ok
[INFO] [stdout] test test_read_exact_buffer ... ok
[INFO] [stdout] test test_read_larger_buffer ... ok
[INFO] [stderr]    Doc-tests bytebuffer
[INFO] [stdout] test test_read_bits ... ok
[INFO] [stdout] test test_flush ... ok
[INFO] [stdout] test test_flush_bit ... ok
[INFO] [stdout] test test_debug_with_bit_reads ... ok
[INFO] [stdout] test test_read_bit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/lib.rs - ByteBuffer::read_bits (line 405) ... ok
[INFO] [stdout] test src/lib.rs - ByteBuffer::read_u32 (line 267) ... ok
[INFO] [stdout] test src/lib.rs - ByteBuffer::write_u32 (line 124) ... ok
[INFO] [stdout] test src/lib.rs - ByteBuffer::write_u8 (line 86) ... ok
[INFO] [stdout] test src/lib.rs - ByteBuffer::write_u16 (line 104) ... ok
[INFO] [stdout] test src/lib.rs - ByteBuffer::write_f32 (line 164) ... ok
[INFO] [stdout] test src/lib.rs - ByteBuffer::write_bytes (line 62) ... ok
[INFO] [stdout] test src/lib.rs - ByteBuffer::read_u64 (line 289) ... ok
[INFO] [stdout] test src/lib.rs - ByteBuffer::write_f64 (line 179) ... ok
[INFO] [stdout] test src/lib.rs - ByteBuffer::write_string (line 196) ... ok
[INFO] [stdout] test src/lib.rs - ByteBuffer::read_u16 (line 245) ... ok
[INFO] [stdout] test src/lib.rs - ByteBuffer::read_bit (line 380) ... ok
[INFO] [stdout] test src/lib.rs - ByteBuffer::write_bits (line 473) ... ok
[INFO] [stdout] test src/lib.rs - ByteBuffer::read_u8 (line 223) ... ok
[INFO] [stdout] test src/lib.rs - ByteBuffer::write_u64 (line 144) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "494bc72c337b334181c91af842affe9df82a371098746b9deaa28ca574956600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "494bc72c337b334181c91af842affe9df82a371098746b9deaa28ca574956600", kill_on_drop: false }`
[INFO] [stdout] 494bc72c337b334181c91af842affe9df82a371098746b9deaa28ca574956600