[INFO] crate fallible-streaming-iterator 0.1.9 is already in cache
[INFO] extracting crate fallible-streaming-iterator 0.1.9 into work/ex/beta-1.37-6/sources/1.36.0/reg/fallible-streaming-iterator/0.1.9
[INFO] extracting crate fallible-streaming-iterator 0.1.9 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/fallible-streaming-iterator/0.1.9
[INFO] validating manifest of fallible-streaming-iterator-0.1.9 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fallible-streaming-iterator-0.1.9 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing fallible-streaming-iterator-0.1.9
[INFO] finished frobbing fallible-streaming-iterator-0.1.9
[INFO] frobbed toml for fallible-streaming-iterator-0.1.9 written to work/ex/beta-1.37-6/sources/1.36.0/reg/fallible-streaming-iterator/0.1.9/Cargo.toml
[INFO] started frobbing fallible-streaming-iterator-0.1.9
[INFO] finished frobbing fallible-streaming-iterator-0.1.9
[INFO] frobbed toml for fallible-streaming-iterator-0.1.9 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/fallible-streaming-iterator/0.1.9/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing fallible-streaming-iterator-0.1.9 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/fallible-streaming-iterator/0.1.9:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 931804c3c80c69869a626ea98b6f39837a88f27ba02c087a88fa4d90ab3541c1
[INFO] running `"docker" "start" "-a" "931804c3c80c69869a626ea98b6f39837a88f27ba02c087a88fa4d90ab3541c1"`
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `"docker" "inspect" "931804c3c80c69869a626ea98b6f39837a88f27ba02c087a88fa4d90ab3541c1"`
[INFO] running `"docker" "rm" "-f" "931804c3c80c69869a626ea98b6f39837a88f27ba02c087a88fa4d90ab3541c1"`
[INFO] [stdout] 931804c3c80c69869a626ea98b6f39837a88f27ba02c087a88fa4d90ab3541c1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/fallible-streaming-iterator/0.1.9:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] d716836fcd3101825a3f59724719ad3d85b461c70e500391919d0d9f2199fe60
[INFO] running `"docker" "start" "-a" "d716836fcd3101825a3f59724719ad3d85b461c70e500391919d0d9f2199fe60"`
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:897:28
[INFO] [stderr]     |
[INFO] [stderr] 897 |     fn _is_object_safe(_: &FallibleStreamingIterator<Item = (), Error = ()>) {}
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FallibleStreamingIterator<Item = (), Error = ()>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:898:35
[INFO] [stderr]     |
[INFO] [stderr] 898 |     fn _is_object_safe_double(_: &DoubleEndedFallibleStreamingIterator<Item = (), Error = ()>) {}
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoubleEndedFallibleStreamingIterator<Item = (), Error = ()>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "d716836fcd3101825a3f59724719ad3d85b461c70e500391919d0d9f2199fe60"`
[INFO] running `"docker" "rm" "-f" "d716836fcd3101825a3f59724719ad3d85b461c70e500391919d0d9f2199fe60"`
[INFO] [stdout] d716836fcd3101825a3f59724719ad3d85b461c70e500391919d0d9f2199fe60
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/fallible-streaming-iterator/0.1.9:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 9c3029487e70bb88ddf0cc7d217ef00c929f85da13497686c2ddff6733df2d76
[INFO] running `"docker" "start" "-a" "9c3029487e70bb88ddf0cc7d217ef00c929f85da13497686c2ddff6733df2d76"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fallible_streaming_iterator-0d5f3403261ed406
[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]    Doc-tests fallible-streaming-iterator
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 10) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9c3029487e70bb88ddf0cc7d217ef00c929f85da13497686c2ddff6733df2d76"`
[INFO] running `"docker" "rm" "-f" "9c3029487e70bb88ddf0cc7d217ef00c929f85da13497686c2ddff6733df2d76"`
[INFO] [stdout] 9c3029487e70bb88ddf0cc7d217ef00c929f85da13497686c2ddff6733df2d76