[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-1.38-1/sources/1.37.0/reg/fallible-streaming-iterator/0.1.9
[INFO] extracting crate fallible-streaming-iterator 0.1.9 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fallible-streaming-iterator/0.1.9
[INFO] validating manifest of fallible-streaming-iterator-0.1.9 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 fallible-streaming-iterator-0.1.9 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 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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/fallible-streaming-iterator/0.1.9/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 fallible-streaming-iterator-0.1.9 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 4e8da567d1dbecb34e02cd005fb5893a8089590712911182d7b8afefb4d8d906
[INFO] running `"docker" "start" "-a" "4e8da567d1dbecb34e02cd005fb5893a8089590712911182d7b8afefb4d8d906"`
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "4e8da567d1dbecb34e02cd005fb5893a8089590712911182d7b8afefb4d8d906"`
[INFO] running `"docker" "rm" "-f" "4e8da567d1dbecb34e02cd005fb5893a8089590712911182d7b8afefb4d8d906"`
[INFO] [stdout] 4e8da567d1dbecb34e02cd005fb5893a8089590712911182d7b8afefb4d8d906
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f805c817fe4ee4c30d591a00461e4639a8947e0f3d2cc8015301de914f3b6b21
[INFO] running `"docker" "start" "-a" "f805c817fe4ee4c30d591a00461e4639a8947e0f3d2cc8015301de914f3b6b21"`
[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 0.74s
[INFO] running `"docker" "inspect" "f805c817fe4ee4c30d591a00461e4639a8947e0f3d2cc8015301de914f3b6b21"`
[INFO] running `"docker" "rm" "-f" "f805c817fe4ee4c30d591a00461e4639a8947e0f3d2cc8015301de914f3b6b21"`
[INFO] [stdout] f805c817fe4ee4c30d591a00461e4639a8947e0f3d2cc8015301de914f3b6b21
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] af741206b44d53648bd6a3e417bf95c67a6cb7fee62811b44d796454ddc0db89
[INFO] running `"docker" "start" "-a" "af741206b44d53648bd6a3e417bf95c67a6cb7fee62811b44d796454ddc0db89"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fallible_streaming_iterator-e1e73f84dde22455
[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" "af741206b44d53648bd6a3e417bf95c67a6cb7fee62811b44d796454ddc0db89"`
[INFO] running `"docker" "rm" "-f" "af741206b44d53648bd6a3e417bf95c67a6cb7fee62811b44d796454ddc0db89"`
[INFO] [stdout] af741206b44d53648bd6a3e417bf95c67a6cb7fee62811b44d796454ddc0db89