[INFO] fetching crate bit_mask_ring_buf 0.5.2...
[INFO] testing bit_mask_ring_buf-0.5.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate bit_mask_ring_buf 0.5.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bit_mask_ring_buf 0.5.2 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 bit_mask_ring_buf 0.5.2
[INFO] finished tweaking crates.io crate bit_mask_ring_buf 0.5.2
[INFO] tweaked toml for crates.io crate bit_mask_ring_buf 0.5.2 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] 1028815bb196f5c42f882d2e877c0e066f0a3f4196a7028d8b642121717cfa04
[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" "1028815bb196f5c42f882d2e877c0e066f0a3f4196a7028d8b642121717cfa04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1028815bb196f5c42f882d2e877c0e066f0a3f4196a7028d8b642121717cfa04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1028815bb196f5c42f882d2e877c0e066f0a3f4196a7028d8b642121717cfa04", kill_on_drop: false }`
[INFO] [stdout] 1028815bb196f5c42f882d2e877c0e066f0a3f4196a7028d8b642121717cfa04
[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] 50992b6aa62d96533cc735bd03fe3bc73b6a12e88cf7ebcb5f7e937a9550c58a
[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" "50992b6aa62d96533cc735bd03fe3bc73b6a12e88cf7ebcb5f7e937a9550c58a", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit_mask_ring_buf v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "50992b6aa62d96533cc735bd03fe3bc73b6a12e88cf7ebcb5f7e937a9550c58a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50992b6aa62d96533cc735bd03fe3bc73b6a12e88cf7ebcb5f7e937a9550c58a", kill_on_drop: false }`
[INFO] [stdout] 50992b6aa62d96533cc735bd03fe3bc73b6a12e88cf7ebcb5f7e937a9550c58a
[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] 0b419758a866e2fe9d0324a690c3821175f7b10e3cea01f170149a38c7519094
[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" "0b419758a866e2fe9d0324a690c3821175f7b10e3cea01f170149a38c7519094", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit_mask_ring_buf v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.31s
[INFO] running `Command { std: "docker" "inspect" "0b419758a866e2fe9d0324a690c3821175f7b10e3cea01f170149a38c7519094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b419758a866e2fe9d0324a690c3821175f7b10e3cea01f170149a38c7519094", kill_on_drop: false }`
[INFO] [stdout] 0b419758a866e2fe9d0324a690c3821175f7b10e3cea01f170149a38c7519094
[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] 995ce708f5b0f1f973a8914b7b8f41c3b2f8f6d7f78a597147de235621f0023c
[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" "995ce708f5b0f1f973a8914b7b8f41c3b2f8f6d7f78a597147de235621f0023c", 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/bit_mask_ring_buf-1dcc20a54294d7dd
[INFO] [stdout] running 42 tests
[INFO] [stdout] test lin_interp::tests::bit_mask_ring_buf_ref_f32_lin_interp_f64 ... ok
[INFO] [stdout] test lin_interp::tests::bit_mask_ring_buf_ref_f64_lin_interp_f64 ... ok
[INFO] [stdout] test referenced::tests::bit_mask_ring_buf_ref_as_mut_slices_len ... ok
[INFO] [stdout] test referenced::tests::bit_mask_ring_buf_ref_as_slices_latest ... ok
[INFO] [stdout] test referenced::tests::bit_mask_ring_buf_ref_constrain ... ok
[INFO] [stdout] test referenced::tests::bit_mask_ring_buf_ref_clear ... ok
[INFO] [stdout] test lin_interp::tests::bit_mask_ring_buf_f64_lin_interp_f64 ... ok
[INFO] [stdout] test referenced::tests::bit_mask_ring_buf_ref_as_slices ... ok
[INFO] [stdout] test lin_interp::tests::bit_mask_ring_buf_ref_f32_lin_interp_f32 ... ok
[INFO] [stdout] test lin_interp::tests::bit_mask_ring_buf_f32_lin_interp_f64 ... ok
[INFO] [stdout] test lin_interp::tests::bit_mask_ring_buf_ref_f64_lin_interp_f32 ... ok
[INFO] [stdout] test referenced::tests::bit_mask_ring_buf_ref_as_mut_slices ... ok
[INFO] [stdout] test referenced::tests::bit_mask_ring_buf_ref_as_mut_slices_latest ... ok
[INFO] [stdout] test referenced::tests::bit_mask_ring_buf_ref_read_into ... ok
[INFO] [stdout] test lin_interp::tests::bit_mask_ring_buf_f32_lin_interp_f32 ... ok
[INFO] [stdout] test referenced::tests::bit_mask_ring_buf_ref_write_latest ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_as_mut_slices ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_as_mut_slices_latest ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_as_slices_latest ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_as_slices ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_clear ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_as_slices_len ... ok
[INFO] [stdout] test referenced::tests::bit_mask_ring_buf_ref_index_mut ... ok
[INFO] [stdout] test referenced::tests::bit_mask_ring_buf_ref_initialize ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_clear_set_len ... ok
[INFO] [stdout] test referenced::tests::bit_mask_ring_buf_ref_index ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_constrain ... ok
[INFO] [stdout] test lin_interp::tests::bit_mask_ring_buf_f64_lin_interp_f32 ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_index ... ok
[INFO] [stdout] test referenced::tests::bit_mask_ring_buf_ref_write_latest_2 ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_index_mut ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_read_into ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_as_mut_slices_len ... ok
[INFO] [stdout] test referenced::tests::bit_mask_ring_buf_ref_as_slices_len ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_write_latest ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_write_latest_2 ... ok
[INFO] [stdout] test tests::next_pow_of_2_test ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_set_len ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_set_len_uninit ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_initialize ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_initialize_uninit ... ok
[INFO] [stdout] test tests::next_pow_of_2_panic_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 42 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bit_mask_ring_buf
[INFO] [stdout] 
[INFO] [stdout] running 57 tests
[INFO] [stdout] test src/lib.rs - BMRingBuf<T>::from_len (line 135) ... ok
[INFO] [stdout] test src/lib.rs - BMRingBuf<T>::constrain (line 1173) ... ok
[INFO] [stdout] test src/lib.rs - BMRingBuf<T>::as_mut_slices_len (line 782) ... ok
[INFO] [stdout] test src/lib.rs - BMRingBuf<T>::as_slices_latest (line 651) ... ok
[INFO] [stdout] test src/lib.rs - BMRingBuf<T>::as_mut_slices (line 722) ... ok
[INFO] [stdout] test src/lib.rs - BMRingBuf<T>::capacity (line 1157) ... ok
[INFO] [stdout] test src/lib.rs - BMRingBuf<T>::as_mut_slices_latest (line 855) ... ok
[INFO] [stdout] test src/lib.rs - BMRingBuf<T>::at_mut (line 1332) ... ok
[INFO] [stdout] test src/lib.rs - BMRingBuf<T>::as_slices (line 524) ... ok
[INFO] [stdout] test src/lib.rs - BMRingBuf<T>::clear (line 433) ... ok
[INFO] [stdout] test src/lib.rs - BMRingBuf<T>::at (line 1295) ... ok
[INFO] [stdout] test src/lib.rs - BMRingBuf<T>::clear_set_len (line 307) ... ok
[INFO] [stdout] test src/lib.rs - BMRingBuf<T>::as_slices_len (line 581) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] test src/lib.rs - BMRingBuf<T>::from_len_uninit (line 225) ... ok
[INFO] [stdout] test src/lib.rs - BMRingBuf<T>::from_len_with_capacity_uninit (line 271) ... ok
[INFO] [stdout] test src/lib.rs - BMRingBuf<T>::raw_at (line 1233) ... ok
[INFO] [stdout] test src/lib.rs - BMRingBuf<T>::len (line 1140) ... ok
[INFO] [stdout] test src/lib.rs - BMRingBuf<T>::set_len_uninit (line 392) ... ok
[INFO] [stdout] test src/lib.rs - BMRingBuf<T>::from_len_with_capacity (line 177) ... ok
[INFO] [stdout] test src/lib.rs - BMRingBuf<T>::raw_data_mut (line 1211) ... ok
[INFO] [stdout] test src/lib.rs - BMRingBuf<T>::raw_at_mut (line 1262) ... ok
[INFO] [stdout] test src/lib.rs - BMRingBuf<T>::reserve (line 463) ... ok
[INFO] [stdout] test src/lib.rs - BMRingBuf<T>::raw_data (line 1191) ... ok
[INFO] [stdout] test src/lib.rs - BMRingBuf<T>::read_into (line 927) ... ok
[INFO] [stdout] test src/lib.rs - BMRingBuf<T>::shrink_to_fit (line 493) ... ok
[INFO] [stdout] test src/lib.rs - BMRingBuf<T>::set_len (line 347) ... ok
[INFO] [stdout] test src/lib.rs - BMRingBuf<T>::write_latest_2 (line 1093) ... ok
[INFO] [stdout] test src/lib.rs - next_pow_of_2 (line 96) ... ok
[INFO] [stdout] test src/lin_interp.rs - lin_interp::BMRingBufRef::lin_interp_f64 (line 219) ... ok
[INFO] [stdout] test src/lib.rs - BMRingBuf<T>::write_latest (line 1005) ... ok
[INFO] [stdout] test src/lin_interp.rs - lin_interp::BMRingBufRef::lin_interp_f32 (line 192) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::BMRingBufRef::as_mut_slices_len (line 358) ... ok
[INFO] [stdout] test src/lin_interp.rs - lin_interp::BMRingBuf<f32>::lin_interp_f32 (line 12) ... ok
[INFO] [stdout] test src/lin_interp.rs - lin_interp::BMRingBufRef::lin_interp_f64 (line 101) ... ok
[INFO] [stdout] test src/lin_interp.rs - lin_interp::BMRingBufRef::lin_interp_f32 (line 74) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::BMRingBufRef::at (line 842) ... ok
[INFO] [stdout] test src/lin_interp.rs - lin_interp::BMRingBuf<f64>::lin_interp_f64 (line 160) ... ok
[INFO] [stdout] test src/lin_interp.rs - lin_interp::BMRingBuf<f32>::lin_interp_f64 (line 42) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::BMRingBufRef::as_slices (line 104) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::BMRingBufRef::as_slices_latest (line 229) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::BMRingBufRef::as_mut_slices_latest (line 430) ... ok
[INFO] [stdout] test src/lin_interp.rs - lin_interp::BMRingBuf<f64>::lin_interp_f32 (line 130) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::BMRingBufRef::as_mut_slices (line 299) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::BMRingBufRef::at_mut (line 874) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::BMRingBufRef::clear (line 64) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::BMRingBufRef::constrain (line 725) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::BMRingBufRef::read_into (line 501) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::BMRingBufRef::new (line 29) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::BMRingBufRef::raw_data (line 744) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::BMRingBufRef::as_slices_len (line 160) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::BMRingBufRef::write_latest (line 573) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::BMRingBufRef::raw_data_mut (line 761) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::BMRingBufRef::raw_at_mut (line 808) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::BMRingBufRef::len (line 708) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::BMRingBufRef::raw_at (line 780) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::BMRingBufRef::write_latest_2 (line 659) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 57 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 12.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "995ce708f5b0f1f973a8914b7b8f41c3b2f8f6d7f78a597147de235621f0023c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "995ce708f5b0f1f973a8914b7b8f41c3b2f8f6d7f78a597147de235621f0023c", kill_on_drop: false }`
[INFO] [stdout] 995ce708f5b0f1f973a8914b7b8f41c3b2f8f6d7f78a597147de235621f0023c