[INFO] crate tokio-buf 0.1.1 is already in cache
[INFO] extracting crate tokio-buf 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/tokio-buf/0.1.1
[INFO] extracting crate tokio-buf 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tokio-buf/0.1.1
[INFO] validating manifest of tokio-buf-0.1.1 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 tokio-buf-0.1.1 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 tokio-buf-0.1.1
[INFO] finished frobbing tokio-buf-0.1.1
[INFO] frobbed toml for tokio-buf-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/tokio-buf/0.1.1/Cargo.toml
[INFO] started frobbing tokio-buf-0.1.1
[INFO] finished frobbing tokio-buf-0.1.1
[INFO] frobbed toml for tokio-buf-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tokio-buf/0.1.1/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] [stderr]     Blocking waiting for file lock on package cache lock
[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 tokio-buf-0.1.1 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-4/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/tokio-buf/0.1.1:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] f62c7744db41badeb4adedbb93e5caac629391276d870bf87bde8fccbab86be2
[INFO] running `"docker" "start" "-a" "f62c7744db41badeb4adedbb93e5caac629391276d870bf87bde8fccbab86be2"`
[INFO] [stderr]    Compiling tokio-buf v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "f62c7744db41badeb4adedbb93e5caac629391276d870bf87bde8fccbab86be2"`
[INFO] running `"docker" "rm" "-f" "f62c7744db41badeb4adedbb93e5caac629391276d870bf87bde8fccbab86be2"`
[INFO] [stdout] f62c7744db41badeb4adedbb93e5caac629391276d870bf87bde8fccbab86be2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/tokio-buf/0.1.1:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] dd04fa016616c29ccd6678b4d6574f8c6ca9ced29145c1e188ac33855c2bc189
[INFO] running `"docker" "start" "-a" "dd04fa016616c29ccd6678b4d6574f8c6ca9ced29145c1e188ac33855c2bc189"`
[INFO] [stderr]    Compiling tokio-buf v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> tests/buf_stream.rs:7:16
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn obj(_: &mut BufStream<Item = u32, Error = ()>) {}
[INFO] [stderr]   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BufStream<Item = u32, Error = ()>`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `"docker" "inspect" "dd04fa016616c29ccd6678b4d6574f8c6ca9ced29145c1e188ac33855c2bc189"`
[INFO] running `"docker" "rm" "-f" "dd04fa016616c29ccd6678b4d6574f8c6ca9ced29145c1e188ac33855c2bc189"`
[INFO] [stdout] dd04fa016616c29ccd6678b4d6574f8c6ca9ced29145c1e188ac33855c2bc189
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/tokio-buf/0.1.1:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 1de46a4d0c01efec4198a3eedd2ed7be1ed9e564053b2e2e9b3d44ff55059420
[INFO] running `"docker" "start" "-a" "1de46a4d0c01efec4198a3eedd2ed7be1ed9e564053b2e2e9b3d44ff55059420"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tokio_buf-a778082ae7ec89ba
[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/buf_stream-1afa5b245966be5a
[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/chain-3452f0bd7d026e15
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test chain ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/collect-2eb2d59939d28148
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test collect_bytes ... ok
[INFO] [stdout] test collect_vec ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/iter-51c33397d4d764dd
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test full_iter ... ok
[INFO] [stdout] test empty_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/limit-5ce9d39014118289
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test limit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/size_hint-3248d1781a2bcd91
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test size_hint ... ok
[INFO] [stdout] test size_hint_upper_less_than_lower ... ok
[INFO] [stdout] test size_hint_lower_bigger_than_upper ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/stream-1bd59e45129e4fee
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test empty_stream ... ok
[INFO] [stdout] test full_stream ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/string-8025a39e440597dc
[INFO] [stderr]      Running /opt/crater/target/debug/deps/support-49322eee4340df83
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tokio-buf
[INFO] [stdout] running 2 tests
[INFO] [stdout] test str ... ok
[INFO] [stdout] test string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [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] running `"docker" "inspect" "1de46a4d0c01efec4198a3eedd2ed7be1ed9e564053b2e2e9b3d44ff55059420"`
[INFO] running `"docker" "rm" "-f" "1de46a4d0c01efec4198a3eedd2ed7be1ed9e564053b2e2e9b3d44ff55059420"`
[INFO] [stdout] 1de46a4d0c01efec4198a3eedd2ed7be1ed9e564053b2e2e9b3d44ff55059420