[INFO] crate futures-async-runtime-preview 0.2.3 is already in cache
[INFO] extracting crate futures-async-runtime-preview 0.2.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/futures-async-runtime-preview/0.2.3
[INFO] extracting crate futures-async-runtime-preview 0.2.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/futures-async-runtime-preview/0.2.3
[INFO] validating manifest of futures-async-runtime-preview-0.2.3 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 futures-async-runtime-preview-0.2.3 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 futures-async-runtime-preview-0.2.3
[INFO] finished frobbing futures-async-runtime-preview-0.2.3
[INFO] frobbed toml for futures-async-runtime-preview-0.2.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/futures-async-runtime-preview/0.2.3/Cargo.toml
[INFO] started frobbing futures-async-runtime-preview-0.2.3
[INFO] finished frobbing futures-async-runtime-preview-0.2.3
[INFO] frobbed toml for futures-async-runtime-preview-0.2.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/futures-async-runtime-preview/0.2.3/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 futures-async-runtime-preview-0.2.3 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/futures-async-runtime-preview/0.2.3:/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] 84f14d571dce405df87619cce7cae712ee5e3eb554ec041c0f3091bdb01d3f6a
[INFO] running `"docker" "start" "-a" "84f14d571dce405df87619cce7cae712ee5e3eb554ec041c0f3091bdb01d3f6a"`
[INFO] [stderr]    Compiling futures-io-preview v0.2.2
[INFO] [stderr]    Compiling futures-util-preview v0.2.2
[INFO] [stderr]    Compiling futures-executor-preview v0.2.2
[INFO] [stderr]    Compiling futures-stable-preview v0.2.3
[INFO] [stderr]    Compiling futures-async-runtime-preview v0.2.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.03s
[INFO] running `"docker" "inspect" "84f14d571dce405df87619cce7cae712ee5e3eb554ec041c0f3091bdb01d3f6a"`
[INFO] running `"docker" "rm" "-f" "84f14d571dce405df87619cce7cae712ee5e3eb554ec041c0f3091bdb01d3f6a"`
[INFO] [stdout] 84f14d571dce405df87619cce7cae712ee5e3eb554ec041c0f3091bdb01d3f6a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/futures-async-runtime-preview/0.2.3:/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] 53b67941e49d2d669c73b3cf6cdaa1436d028ad22bdcdd9ad74bc928455af597
[INFO] running `"docker" "start" "-a" "53b67941e49d2d669c73b3cf6cdaa1436d028ad22bdcdd9ad74bc928455af597"`
[INFO] [stderr]    Compiling futures-async-runtime-preview v0.2.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "53b67941e49d2d669c73b3cf6cdaa1436d028ad22bdcdd9ad74bc928455af597"`
[INFO] running `"docker" "rm" "-f" "53b67941e49d2d669c73b3cf6cdaa1436d028ad22bdcdd9ad74bc928455af597"`
[INFO] [stdout] 53b67941e49d2d669c73b3cf6cdaa1436d028ad22bdcdd9ad74bc928455af597
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/futures-async-runtime-preview/0.2.3:/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] 8b86b36fbdb4ced610741d1d4021d3f418d989c9de274373f25c9ebb63cb0ddc
[INFO] running `"docker" "start" "-a" "8b86b36fbdb4ced610741d1d4021d3f418d989c9de274373f25c9ebb63cb0ddc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/futures_async_runtime-e87236f91f369b1f
[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_async_runtime
[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" "8b86b36fbdb4ced610741d1d4021d3f418d989c9de274373f25c9ebb63cb0ddc"`
[INFO] running `"docker" "rm" "-f" "8b86b36fbdb4ced610741d1d4021d3f418d989c9de274373f25c9ebb63cb0ddc"`
[INFO] [stdout] 8b86b36fbdb4ced610741d1d4021d3f418d989c9de274373f25c9ebb63cb0ddc