[INFO] fetching crate data-buffer 0.8.0...
[INFO] testing data-buffer-0.8.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate data-buffer 0.8.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate data-buffer 0.8.0 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 data-buffer 0.8.0
[INFO] finished tweaking crates.io crate data-buffer 0.8.0
[INFO] tweaked toml for crates.io crate data-buffer 0.8.0 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 7d98a8c957ae687a542154d9ca35f51086f85ddc25da4176805fef0fc5e9f559
[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" "7d98a8c957ae687a542154d9ca35f51086f85ddc25da4176805fef0fc5e9f559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d98a8c957ae687a542154d9ca35f51086f85ddc25da4176805fef0fc5e9f559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d98a8c957ae687a542154d9ca35f51086f85ddc25da4176805fef0fc5e9f559", kill_on_drop: false }`
[INFO] [stdout] 7d98a8c957ae687a542154d9ca35f51086f85ddc25da4176805fef0fc5e9f559
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] b6a841e85eba8d2df61fe0983c1f825ab7bf6d1238cba8e97cf3a61b7a29e684
[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" "b6a841e85eba8d2df61fe0983c1f825ab7bf6d1238cba8e97cf3a61b7a29e684", kill_on_drop: false }`
[INFO] [stderr]    Compiling reinterpret v0.2.1
[INFO] [stderr]    Compiling data-buffer v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "b6a841e85eba8d2df61fe0983c1f825ab7bf6d1238cba8e97cf3a61b7a29e684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6a841e85eba8d2df61fe0983c1f825ab7bf6d1238cba8e97cf3a61b7a29e684", kill_on_drop: false }`
[INFO] [stdout] b6a841e85eba8d2df61fe0983c1f825ab7bf6d1238cba8e97cf3a61b7a29e684
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 8888bf482a3ba70db81f2f9076d7b87363638da8b9950593cc87034ec6cb37b7
[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" "8888bf482a3ba70db81f2f9076d7b87363638da8b9950593cc87034ec6cb37b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling data-buffer v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.40s
[INFO] running `Command { std: "docker" "inspect" "8888bf482a3ba70db81f2f9076d7b87363638da8b9950593cc87034ec6cb37b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8888bf482a3ba70db81f2f9076d7b87363638da8b9950593cc87034ec6cb37b7", kill_on_drop: false }`
[INFO] [stdout] 8888bf482a3ba70db81f2f9076d7b87363638da8b9950593cc87034ec6cb37b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] e1cdac3338b1d60e8a6a8570c1e524d51655534f332bd7e15ddcc6d2b395c5e3
[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" "e1cdac3338b1d60e8a6a8570c1e524d51655534f332bd7e15ddcc6d2b395c5e3", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 24 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/data_buffer-2e88603c65ec3d46
[INFO] [stdout] test tests::append_test ... ok
[INFO] [stdout] test tests::data_integrity_i16_test ... ok
[INFO] [stdout] test tests::byte_chunks_test ... ok
[INFO] [stdout] test tests::data_integrity_i32_test ... ok
[INFO] [stdout] test tests::from_struct_test ... ok
[INFO] [stdout] test tests::data_integrity_u8_test ... ok
[INFO] [stdout] test tests::initialization_test ... ok
[INFO] [stdout] test tests::from_empty_vec_test ... ok
[INFO] [stdout] test tests::iter_test ... ok
[INFO] [stdout] test tests::extend_append_bytes_test ... ok
[INFO] [stdout] test tests::resize ... ok
[INFO] [stdout] test tests::data_integrity_f32_test ... ok
[INFO] [stdout] test tests::data_integrity_f64_test ... ok
[INFO] [stdout] test tests::from_strings_test ... ok
[INFO] [stdout] test tests::large_sizes_test ... ok
[INFO] [stdout] test tests::push_test ... ok
[INFO] [stdout] test tests::reserve_bytes ... ok
[INFO] [stdout] test tests::wrong_type_test ... ok
[INFO] [stdout] test tests::zero_size_with_capacity_test ... ok
[INFO] [stdout] test tests::zero_size_with_size_test ... ok
[INFO] [stdout] test tests::zero_size_from_slice_test ... ok
[INFO] [stdout] test tests::zero_size_from_vec_test ... ok
[INFO] [stdout] test tests::zero_size_with_type_test ... ok
[INFO] [stderr]    Doc-tests data-buffer
[INFO] [stdout] test tests::zero_size_copy_from_slice_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/macros.rs - call_numeric_buffer_fn (line 9) ... ok
[INFO] [stdout] test src/lib.rs - DataBuffer::rotate_right (line 651) ... ok
[INFO] [stdout] test src/lib.rs - DataBuffer::with_size (line 112) ... ok
[INFO] [stdout] test src/lib.rs - DataBuffer::from_vec (line 129) ... ok
[INFO] [stdout] test src/lib.rs - DataBuffer::fill (line 226) ... ok
[INFO] [stdout] test src/lib.rs - DataBuffer::iter (line 327) ... ok
[INFO] [stdout] test src/lib.rs - DataBuffer::rotate_left (line 634) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e1cdac3338b1d60e8a6a8570c1e524d51655534f332bd7e15ddcc6d2b395c5e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1cdac3338b1d60e8a6a8570c1e524d51655534f332bd7e15ddcc6d2b395c5e3", kill_on_drop: false }`
[INFO] [stdout] e1cdac3338b1d60e8a6a8570c1e524d51655534f332bd7e15ddcc6d2b395c5e3