[INFO] fetching crate divbuf 0.3.1...
[INFO] testing divbuf-0.3.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate divbuf 0.3.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate divbuf 0.3.1 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 divbuf 0.3.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate divbuf 0.3.1
[INFO] tweaked toml for crates.io crate divbuf 0.3.1 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] cbca42947420c3073fee3f364c67ec247bd3010d5442be87f84ff67b3d52ea78
[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" "cbca42947420c3073fee3f364c67ec247bd3010d5442be87f84ff67b3d52ea78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbca42947420c3073fee3f364c67ec247bd3010d5442be87f84ff67b3d52ea78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbca42947420c3073fee3f364c67ec247bd3010d5442be87f84ff67b3d52ea78", kill_on_drop: false }`
[INFO] [stdout] cbca42947420c3073fee3f364c67ec247bd3010d5442be87f84ff67b3d52ea78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 4a3338831607920272c52ab39516183fcabe8907bbc8722a4e9b25144395d551
[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" "4a3338831607920272c52ab39516183fcabe8907bbc8722a4e9b25144395d551", kill_on_drop: false }`
[INFO] [stderr]    Compiling divbuf v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "4a3338831607920272c52ab39516183fcabe8907bbc8722a4e9b25144395d551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a3338831607920272c52ab39516183fcabe8907bbc8722a4e9b25144395d551", kill_on_drop: false }`
[INFO] [stdout] 4a3338831607920272c52ab39516183fcabe8907bbc8722a4e9b25144395d551
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3b62198bfca7be1edfb4c9b769e1df4df87f018fe58a5cf9f7c76d4eddefd49a
[INFO] running `Command { std: "docker" "start" "-a" "3b62198bfca7be1edfb4c9b769e1df4df87f018fe58a5cf9f7c76d4eddefd49a", kill_on_drop: false }`
[INFO] [stderr]    Compiling divbuf v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "3b62198bfca7be1edfb4c9b769e1df4df87f018fe58a5cf9f7c76d4eddefd49a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b62198bfca7be1edfb4c9b769e1df4df87f018fe58a5cf9f7c76d4eddefd49a", kill_on_drop: false }`
[INFO] [stdout] 3b62198bfca7be1edfb4c9b769e1df4df87f018fe58a5cf9f7c76d4eddefd49a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 129ec8c77eec49a7dec1359a9e04ec02832008b3ca973305da1c4b68047024db
[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" "129ec8c77eec49a7dec1359a9e04ec02832008b3ca973305da1c4b68047024db", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/divbuf-e43ac093ec8a50bf
[INFO] [stdout] 
[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] [stderr]      Running /opt/rustwide/target/debug/deps/functional-b1b3191d64105a42
[INFO] [stdout] 
[INFO] [stdout] running 75 tests
[INFO] [stdout] test test_chunks_mut_iter ... ok
[INFO] [stdout] test test_chunks_mut_size_hint ... ok
[INFO] [stdout] test test_chunks_size_hint ... ok
[INFO] [stdout] test test_divbuf_as_ref_empty ... ok
[INFO] [stdout] test test_divbuf_borrow ... ok
[INFO] [stdout] test test_divbuf_clone ... ok
[INFO] [stdout] test test_divbuf_deref ... ok
[INFO] [stdout] test test_divbuf_hash ... ok
[INFO] [stdout] test test_divbuf_deref_empty ... ok
[INFO] [stdout] test test_divbuf_from_divbufmut ... ok
[INFO] [stdout] test test_divbuf_as_ref ... ok
[INFO] [stdout] test test_divbuf_eq ... ok
[INFO] [stdout] test test_divbuf_slice_from ... ok
[INFO] [stdout] test test_divbuf_drop_last ... ok
[INFO] [stdout] test test_divbuf_is_empty ... ok
[INFO] [stdout] test test_divbuf_slice ... ok
[INFO] [stdout] test test_chunks_iter ... ok
[INFO] [stdout] test test_divbuf_split_off ... ok
[INFO] [stdout] test test_divbuf_partial_ord ... ok
[INFO] [stdout] test test_divbuf_slice_to ... ok
[INFO] [stdout] test test_divbuf_ord ... ok
[INFO] [stdout] test test_divbuf_send ... ok
[INFO] [stdout] test test_divbuf_split_to ... ok
[INFO] [stdout] test test_divbufmut_deref ... ok
[INFO] [stdout] test test_divbuf_unsplit ... ok
[INFO] [stdout] test test_divbufmut_derefmut ... ok
[INFO] [stdout] test test_divbufmut_derefmut_empty ... ok
[INFO] [stdout] test test_divbufmut_eq ... ok
[INFO] [stdout] test test_divbufmut_deref_empty ... ok
[INFO] [stdout] test test_divbufmut_borrowmut ... ok
[INFO] [stdout] test test_divbufmut_borrow ... ok
[INFO] [stdout] test test_divbufmut_as_ref ... ok
[INFO] [stdout] test test_divbuf_trymut ... ok
[INFO] [stdout] test test_divbufmut_as_ref_empty ... ok
[INFO] [stdout] test test_divbufmut_hash ... ok
[INFO] [stdout] test test_divbufmut_flush ... ok
[INFO] [stdout] test test_divbufmut_extend ... ok
[INFO] [stdout] test test_divbufmut_freeze ... ok
[INFO] [stdout] test test_divbufmut_drop_last ... ok
[INFO] [stdout] test test_divbufmut_is_empty ... ok
[INFO] [stdout] test test_divbuf_sync ... ok
[INFO] [stdout] test test_divbufmut_ord ... ok
[INFO] [stdout] test test_divbufmut_partial_ord ... ok
[INFO] [stdout] test test_divbufmut_reserve ... ok
[INFO] [stdout] test test_divbufmut_send ... ok
[INFO] [stdout] test test_divbufmut_try_resize ... ok
[INFO] [stdout] test test_divbufmut_try_extend ... ok
[INFO] [stdout] test test_divbufmut_try_truncate ... ok
[INFO] [stdout] test test_divbufmut_unsplit ... ok
[INFO] [stdout] test test_divbufmut_write ... ok
[INFO] [stdout] test test_divbufmut_split_to ... ok
[INFO] [stdout] test test_divbufmut_split_off ... ok
[INFO] [stdout] test test_divbufmut_write_nonterminal ... ok
[INFO] [stdout] test test_divbufmut_write_all ... ok
[INFO] [stdout] test test_divbufmut_write_all_nonterminal ... ok
[INFO] [stdout] test test_divbufshared_isempty ... ok
[INFO] [stdout] test test_divbufshared_fromslice ... ok
[INFO] [stdout] test test_divbufmut_sync ... ok
[INFO] [stdout] test test_divbufshared_caplen ... ok
[INFO] [stdout] test test_divbufshared_try_const ... ok
[INFO] [stdout] test test_divbufshared_try_after_trymut ... ok
[INFO] [stdout] test test_divbufshared_sync ... ok
[INFO] [stdout] test test_divbufshared_try_mut ... ok
[INFO] [stdout] test test_chunks_mut_zero ... ok
[INFO] [stdout] test test_chunks_zero ... ok
[INFO] [stdout] test test_divbuf_slice_backwards ... ok
[INFO] [stdout] test test_divbuf_slice_after_end ... ok
[INFO] [stdout] test test_divbuf_split_to_past_the_end ... ok
[INFO] [stdout] test test_divbuf_split_off_past_the_end ... ok
[INFO] [stdout] test test_divbufshared_send ... ok
[INFO] [stdout] test test_divbufmut_extend_from_the_middle ... ok
[INFO] [stdout] test test_divbufmut_split_to_past_the_end ... ok
[INFO] [stdout] test test_divbufmut_split_off_past_the_end ... ok
[INFO] [stdout] test test_divbufmut_reserve_from_the_middle ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/thread_race-c5d7a776e3a6948b
[INFO] [stdout] test test_divbufshared_fmt ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 75 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests divbuf
[INFO] [stdout] test test_thread_race ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBuf (line 138) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBufMut (line 182) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBuf::try_mut (line 504) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBuf (line 128) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBuf::slice_to (line 425) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBuf::slice_from (line 410) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBuf::unsplit (line 532) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBufMut::try_extend (line 814) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBufMut::split_to (line 782) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBufMut::into_chunks (line 695) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBuf::slice (line 387) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBuf::split_off (line 445) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBuf::split_to (line 475) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBuf::into_chunks (line 359) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBufMut::freeze (line 661) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBufMut::split_off (line 752) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBufShared::try_mut (line 264) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBufMut::try_truncate (line 873) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBufMut::try_resize (line 844) ... ok
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBufShared::try_const (line 236) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBufMut::unsplit (line 900) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "129ec8c77eec49a7dec1359a9e04ec02832008b3ca973305da1c4b68047024db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "129ec8c77eec49a7dec1359a9e04ec02832008b3ca973305da1c4b68047024db", kill_on_drop: false }`
[INFO] [stdout] 129ec8c77eec49a7dec1359a9e04ec02832008b3ca973305da1c4b68047024db