[INFO] crate divbuf 0.3.1 is already in cache
[INFO] extracting crate divbuf 0.3.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/divbuf/0.3.1
[INFO] extracting crate divbuf 0.3.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/divbuf/0.3.1
[INFO] validating manifest of divbuf-0.3.1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of divbuf-0.3.1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing divbuf-0.3.1
[INFO] removed 0 missing tests
[INFO] finished frobbing divbuf-0.3.1
[INFO] frobbed toml for divbuf-0.3.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/divbuf/0.3.1/Cargo.toml
[INFO] started frobbing divbuf-0.3.1
[INFO] removed 0 missing tests
[INFO] finished frobbing divbuf-0.3.1
[INFO] frobbed toml for divbuf-0.3.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/divbuf/0.3.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing divbuf-0.3.1 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/divbuf/0.3.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 4b47f2209368938f3a85bf9cd90a84df42b811b15bc0d7ee7415439d7a6e5cbb
[INFO] running `"docker" "start" "-a" "4b47f2209368938f3a85bf9cd90a84df42b811b15bc0d7ee7415439d7a6e5cbb"`
[INFO] [stderr]    Compiling divbuf v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "4b47f2209368938f3a85bf9cd90a84df42b811b15bc0d7ee7415439d7a6e5cbb"`
[INFO] running `"docker" "rm" "-f" "4b47f2209368938f3a85bf9cd90a84df42b811b15bc0d7ee7415439d7a6e5cbb"`
[INFO] [stdout] 4b47f2209368938f3a85bf9cd90a84df42b811b15bc0d7ee7415439d7a6e5cbb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/divbuf/0.3.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f456909e9e0d5b3b33fdf7a4a3046edacf8a6d89d3c89f61b946f3d9a65a87f4
[INFO] running `"docker" "start" "-a" "f456909e9e0d5b3b33fdf7a4a3046edacf8a6d89d3c89f61b946f3d9a65a87f4"`
[INFO] [stderr]    Compiling divbuf v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `"docker" "inspect" "f456909e9e0d5b3b33fdf7a4a3046edacf8a6d89d3c89f61b946f3d9a65a87f4"`
[INFO] running `"docker" "rm" "-f" "f456909e9e0d5b3b33fdf7a4a3046edacf8a6d89d3c89f61b946f3d9a65a87f4"`
[INFO] [stdout] f456909e9e0d5b3b33fdf7a4a3046edacf8a6d89d3c89f61b946f3d9a65a87f4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/divbuf/0.3.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] e517342d52d4b0c34d05dd142c89c051c1475024e344e9964d64e59b734ff201
[INFO] running `"docker" "start" "-a" "e517342d52d4b0c34d05dd142c89c051c1475024e344e9964d64e59b734ff201"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/divbuf-79785a9851d6110d
[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/crater/target/debug/deps/functional-ffa54fe82982d2fb
[INFO] [stdout] 
[INFO] [stdout] running 75 tests
[INFO] [stdout] test test_divbuf_as_ref_empty ... ok
[INFO] [stdout] test test_divbuf_as_ref ... ok
[INFO] [stdout] test test_divbuf_borrow ... ok
[INFO] [stdout] test test_divbuf_clone ... ok
[INFO] [stdout] test test_chunks_size_hint ... ok
[INFO] [stdout] test test_chunks_mut_iter ... ok
[INFO] [stdout] test test_divbuf_deref ... ok
[INFO] [stdout] test test_divbuf_deref_empty ... ok
[INFO] [stdout] test test_divbuf_drop_last ... ok
[INFO] [stdout] test test_divbuf_eq ... ok
[INFO] [stdout] test test_divbuf_from_divbufmut ... ok
[INFO] [stdout] test test_divbuf_hash ... ok
[INFO] [stdout] test test_chunks_iter ... ok
[INFO] [stdout] test test_chunks_mut_size_hint ... ok
[INFO] [stdout] test test_divbuf_slice ... ok
[INFO] [stdout] test test_divbuf_is_empty ... ok
[INFO] [stdout] test test_divbuf_ord ... ok
[INFO] [stdout] test test_divbuf_partial_ord ... ok
[INFO] [stdout] test test_divbuf_send ... ok
[INFO] [stdout] test test_divbuf_slice_from ... ok
[INFO] [stdout] test test_divbuf_slice_to ... ok
[INFO] [stdout] test test_divbuf_split_off ... ok
[INFO] [stdout] test test_divbuf_split_to ... ok
[INFO] [stdout] test test_divbuf_trymut ... ok
[INFO] [stdout] test test_divbuf_unsplit ... ok
[INFO] [stdout] test test_divbufmut_as_ref ... ok
[INFO] [stdout] test test_divbuf_sync ... ok
[INFO] [stdout] test test_divbufmut_as_ref_empty ... ok
[INFO] [stdout] test test_divbufmut_borrow ... ok
[INFO] [stdout] test test_divbufmut_deref ... ok
[INFO] [stdout] test test_divbufmut_borrowmut ... ok
[INFO] [stdout] test test_divbufmut_deref_empty ... ok
[INFO] [stdout] test test_divbufmut_derefmut ... ok
[INFO] [stdout] test test_divbufmut_drop_last ... ok
[INFO] [stdout] test test_divbufmut_derefmut_empty ... ok
[INFO] [stdout] test test_divbufmut_extend ... ok
[INFO] [stdout] test test_divbufmut_eq ... ok
[INFO] [stdout] test test_divbufmut_flush ... ok
[INFO] [stdout] test test_divbufmut_freeze ... ok
[INFO] [stdout] test test_divbufmut_hash ... ok
[INFO] [stdout] test test_divbufmut_is_empty ... ok
[INFO] [stdout] test test_divbufmut_ord ... ok
[INFO] [stdout] test test_divbufmut_partial_ord ... ok
[INFO] [stdout] test test_chunks_mut_zero ... ok
[INFO] [stdout] test test_chunks_zero ... ok
[INFO] [stdout] test test_divbufmut_reserve ... ok
[INFO] [stdout] test test_divbuf_slice_backwards ... 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_divbufmut_reserve_from_the_middle ... ok
[INFO] [stdout] test test_divbufmut_split_off ... ok
[INFO] [stdout] test test_divbufmut_sync ... 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_try_extend ... ok
[INFO] [stdout] test test_divbufmut_try_resize ... ok
[INFO] [stdout] test test_divbuf_slice_after_end ... ok
[INFO] [stdout] test test_divbufmut_write ... ok
[INFO] [stdout] test test_divbufmut_write_nonterminal ... ok
[INFO] [stdout] test test_divbufmut_split_to ... ok
[INFO] [stdout] test test_divbufmut_split_off_past_the_end ... ok
[INFO] [stdout] test test_divbufshared_caplen ... ok
[INFO] [stdout] test test_divbufshared_fromslice ... ok
[INFO] [stdout] test test_divbufshared_isempty ... ok
[INFO] [stdout] test test_divbufmut_try_truncate ... ok
[INFO] [stdout] test test_divbufmut_unsplit ... ok
[INFO] [stdout] test test_divbufmut_write_all ... ok
[INFO] [stdout] test test_divbufshared_send ... ok
[INFO] [stdout] test test_divbufshared_try_after_trymut ... ok
[INFO] [stdout] test test_divbufshared_try_const ... ok
[INFO] [stdout] test test_divbufshared_try_mut ... ok
[INFO] [stdout] test test_divbufmut_send ... ok
[INFO] [stdout] test test_divbufmut_write_all_nonterminal ... ok
[INFO] [stdout] test test_divbufshared_sync ... ok
[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] [stderr]      Running /opt/crater/target/debug/deps/thread_race-a6a183fb9914b079
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] reader won 901761 races and lost 334386
[INFO] [stdout] writer won 66031 races and lost 1916265
[INFO] [stdout] writer won 188208 races and lost 3013877
[INFO] [stdout] reader won 1045147 races and lost 269645
[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] [stderr]    Doc-tests divbuf
[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::DivBuf (line 128) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBuf::split_off (line 445) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBuf::slice_from (line 410) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBuf::slice_to (line 425) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBuf::slice (line 387) ... 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::DivBuf::try_mut (line 504) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBufMut::freeze (line 661) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBuf::unsplit (line 532) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBufMut (line 182) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBufMut::into_chunks (line 695) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBufMut::split_off (line 752) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBufMut::split_to (line 782) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBufMut::try_extend (line 814) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBufMut::unsplit (line 900) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBufShared::try_mut (line 264) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBufMut::try_resize (line 844) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBufMut::try_truncate (line 873) ... ok
[INFO] [stdout] test src/divbuf.rs - divbuf::DivBufShared::try_const (line 236) ... ok
[INFO] [stdout] test src/lib.rs -  (line 28) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e517342d52d4b0c34d05dd142c89c051c1475024e344e9964d64e59b734ff201"`
[INFO] running `"docker" "rm" "-f" "e517342d52d4b0c34d05dd142c89c051c1475024e344e9964d64e59b734ff201"`
[INFO] [stdout] e517342d52d4b0c34d05dd142c89c051c1475024e344e9964d64e59b734ff201