[INFO] fetching crate futures-sink-preview 0.3.0-alpha.17...
[INFO] extracting crate futures-sink-preview 0.3.0-alpha.17 into work/ex/beta-1.37-6/sources/1.36.0/reg/futures-sink-preview/0.3.0-alpha.17
[INFO] extracting crate futures-sink-preview 0.3.0-alpha.17 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/futures-sink-preview/0.3.0-alpha.17
[INFO] validating manifest of futures-sink-preview-0.3.0-alpha.17 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 futures-sink-preview-0.3.0-alpha.17 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 futures-sink-preview-0.3.0-alpha.17
[INFO] finished frobbing futures-sink-preview-0.3.0-alpha.17
[INFO] frobbed toml for futures-sink-preview-0.3.0-alpha.17 written to work/ex/beta-1.37-6/sources/1.36.0/reg/futures-sink-preview/0.3.0-alpha.17/Cargo.toml
[INFO] started frobbing futures-sink-preview-0.3.0-alpha.17
[INFO] finished frobbing futures-sink-preview-0.3.0-alpha.17
[INFO] frobbed toml for futures-sink-preview-0.3.0-alpha.17 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/futures-sink-preview/0.3.0-alpha.17/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 futures-sink-preview-0.3.0-alpha.17 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-7/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/futures-sink-preview/0.3.0-alpha.17:/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] dca24a8b37d663b6a60e12232088c2e1feccfbcc0f63356869a51a1daddb991e
[INFO] running `"docker" "start" "-a" "dca24a8b37d663b6a60e12232088c2e1feccfbcc0f63356869a51a1daddb991e"`
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.17 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `"docker" "inspect" "dca24a8b37d663b6a60e12232088c2e1feccfbcc0f63356869a51a1daddb991e"`
[INFO] running `"docker" "rm" "-f" "dca24a8b37d663b6a60e12232088c2e1feccfbcc0f63356869a51a1daddb991e"`
[INFO] [stdout] dca24a8b37d663b6a60e12232088c2e1feccfbcc0f63356869a51a1daddb991e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/futures-sink-preview/0.3.0-alpha.17:/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] 780bd2106843eca1095a61a1d0c64eb6d806f5457a864e06d43cf48f124e04e3
[INFO] running `"docker" "start" "-a" "780bd2106843eca1095a61a1d0c64eb6d806f5457a864e06d43cf48f124e04e3"`
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.17 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "780bd2106843eca1095a61a1d0c64eb6d806f5457a864e06d43cf48f124e04e3"`
[INFO] running `"docker" "rm" "-f" "780bd2106843eca1095a61a1d0c64eb6d806f5457a864e06d43cf48f124e04e3"`
[INFO] [stdout] 780bd2106843eca1095a61a1d0c64eb6d806f5457a864e06d43cf48f124e04e3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/futures-sink-preview/0.3.0-alpha.17:/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] 5480de2c1755786bdaddc4105e84f064f9440860c07e67992328a82f44d57faa
[INFO] running `"docker" "start" "-a" "5480de2c1755786bdaddc4105e84f064f9440860c07e67992328a82f44d57faa"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/futures_sink-7f7b2ccba35ae4cc
[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 futures_sink
[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" "5480de2c1755786bdaddc4105e84f064f9440860c07e67992328a82f44d57faa"`
[INFO] running `"docker" "rm" "-f" "5480de2c1755786bdaddc4105e84f064f9440860c07e67992328a82f44d57faa"`
[INFO] [stdout] 5480de2c1755786bdaddc4105e84f064f9440860c07e67992328a82f44d57faa