[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 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 30c782f8d02f02625c9f658fc5c70057ca8e42e7bb9cdca2b2f715e348f2f205
[INFO] running `"docker" "start" "-a" "30c782f8d02f02625c9f658fc5c70057ca8e42e7bb9cdca2b2f715e348f2f205"`
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.17 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `"docker" "inspect" "30c782f8d02f02625c9f658fc5c70057ca8e42e7bb9cdca2b2f715e348f2f205"`
[INFO] running `"docker" "rm" "-f" "30c782f8d02f02625c9f658fc5c70057ca8e42e7bb9cdca2b2f715e348f2f205"`
[INFO] [stdout] 30c782f8d02f02625c9f658fc5c70057ca8e42e7bb9cdca2b2f715e348f2f205
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8aaea6f990ab1b7576ded04960ccdcc350e90dade334f82910ca2c2702eb5444
[INFO] running `"docker" "start" "-a" "8aaea6f990ab1b7576ded04960ccdcc350e90dade334f82910ca2c2702eb5444"`
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.17 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "8aaea6f990ab1b7576ded04960ccdcc350e90dade334f82910ca2c2702eb5444"`
[INFO] running `"docker" "rm" "-f" "8aaea6f990ab1b7576ded04960ccdcc350e90dade334f82910ca2c2702eb5444"`
[INFO] [stdout] 8aaea6f990ab1b7576ded04960ccdcc350e90dade334f82910ca2c2702eb5444
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 608c0086655a7ec6ba4b64370e384cc2d7948b9276d27de558ccd68991156739
[INFO] running `"docker" "start" "-a" "608c0086655a7ec6ba4b64370e384cc2d7948b9276d27de558ccd68991156739"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/futures_sink-42339200af2d24c7
[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" "608c0086655a7ec6ba4b64370e384cc2d7948b9276d27de558ccd68991156739"`
[INFO] running `"docker" "rm" "-f" "608c0086655a7ec6ba4b64370e384cc2d7948b9276d27de558ccd68991156739"`
[INFO] [stdout] 608c0086655a7ec6ba4b64370e384cc2d7948b9276d27de558ccd68991156739