[INFO] crate sync_splitter 0.4.1 is already in cache
[INFO] extracting crate sync_splitter 0.4.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/sync_splitter/0.4.1
[INFO] extracting crate sync_splitter 0.4.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sync_splitter/0.4.1
[INFO] validating manifest of sync_splitter-0.4.1 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 sync_splitter-0.4.1 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 sync_splitter-0.4.1
[INFO] finished frobbing sync_splitter-0.4.1
[INFO] frobbed toml for sync_splitter-0.4.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/sync_splitter/0.4.1/Cargo.toml
[INFO] started frobbing sync_splitter-0.4.1
[INFO] finished frobbing sync_splitter-0.4.1
[INFO] frobbed toml for sync_splitter-0.4.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sync_splitter/0.4.1/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 sync_splitter-0.4.1 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/sync_splitter/0.4.1:/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] 63067918e874964ebab5f8b32831b59f78013b310930f8ea823d63e4d6d345ab
[INFO] running `"docker" "start" "-a" "63067918e874964ebab5f8b32831b59f78013b310930f8ea823d63e4d6d345ab"`
[INFO] [stderr]    Compiling sync_splitter v0.4.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "63067918e874964ebab5f8b32831b59f78013b310930f8ea823d63e4d6d345ab"`
[INFO] running `"docker" "rm" "-f" "63067918e874964ebab5f8b32831b59f78013b310930f8ea823d63e4d6d345ab"`
[INFO] [stdout] 63067918e874964ebab5f8b32831b59f78013b310930f8ea823d63e4d6d345ab
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/sync_splitter/0.4.1:/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] dc9e67dc2f07bc4ef2fac5958a636a0fcc12a43a48c28819ba06418d63bba37a
[INFO] running `"docker" "start" "-a" "dc9e67dc2f07bc4ef2fac5958a636a0fcc12a43a48c28819ba06418d63bba37a"`
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling sync_splitter v0.4.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.83s
[INFO] running `"docker" "inspect" "dc9e67dc2f07bc4ef2fac5958a636a0fcc12a43a48c28819ba06418d63bba37a"`
[INFO] running `"docker" "rm" "-f" "dc9e67dc2f07bc4ef2fac5958a636a0fcc12a43a48c28819ba06418d63bba37a"`
[INFO] [stdout] dc9e67dc2f07bc4ef2fac5958a636a0fcc12a43a48c28819ba06418d63bba37a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/sync_splitter/0.4.1:/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] bc6ffd4bd4cd1aa23e439e366a3f3c363131dd5c48037207989cd60963a6764a
[INFO] running `"docker" "start" "-a" "bc6ffd4bd4cd1aa23e439e366a3f3c363131dd5c48037207989cd60963a6764a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sync_splitter-c12496b71aef39bb
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::next_does_not_overflow ... ok
[INFO] [stdout] test tests::reads_what_was_written ... ok
[INFO] [stdout] test tests::works_when_popping_exact_slice_length ... ok
[INFO] [stdout] test tests::isize_max_minus_one_then_pop_min_is_ok ... ok
[INFO] [stdout] test tests::len_does_not_underflow ... ok
[INFO] [stdout] test tests::binary_tree_with_rayon_works ... ok
[INFO] [stdout] test tests::works_when_running_out_of_slice ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sync_splitter
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "bc6ffd4bd4cd1aa23e439e366a3f3c363131dd5c48037207989cd60963a6764a"`
[INFO] running `"docker" "rm" "-f" "bc6ffd4bd4cd1aa23e439e366a3f3c363131dd5c48037207989cd60963a6764a"`
[INFO] [stdout] bc6ffd4bd4cd1aa23e439e366a3f3c363131dd5c48037207989cd60963a6764a