[INFO] fetching crate futures-enum 0.1.9...
[INFO] extracting crate futures-enum 0.1.9 into work/ex/beta-1.37-6/sources/1.36.0/reg/futures-enum/0.1.9
[INFO] extracting crate futures-enum 0.1.9 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/futures-enum/0.1.9
[INFO] validating manifest of futures-enum-0.1.9 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-enum-0.1.9 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-enum-0.1.9
[INFO] finished frobbing futures-enum-0.1.9
[INFO] frobbed toml for futures-enum-0.1.9 written to work/ex/beta-1.37-6/sources/1.36.0/reg/futures-enum/0.1.9/Cargo.toml
[INFO] started frobbing futures-enum-0.1.9
[INFO] finished frobbing futures-enum-0.1.9
[INFO] frobbed toml for futures-enum-0.1.9 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/futures-enum/0.1.9/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_utils v0.8.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing futures-enum-0.1.9 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-2/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-enum/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] fb77dc74b60514fc7bb91998d3dfcda6f58b45a9a9350402d26f8e10e483c765
[INFO] running `"docker" "start" "-a" "fb77dc74b60514fc7bb91998d3dfcda6f58b45a9a9350402d26f8e10e483c765"`
[INFO] [stderr]    Compiling find-crate v0.4.0
[INFO] [stderr]    Compiling derive_utils v0.8.0
[INFO] [stderr]    Compiling futures-enum v0.1.9 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.12s
[INFO] running `"docker" "inspect" "fb77dc74b60514fc7bb91998d3dfcda6f58b45a9a9350402d26f8e10e483c765"`
[INFO] running `"docker" "rm" "-f" "fb77dc74b60514fc7bb91998d3dfcda6f58b45a9a9350402d26f8e10e483c765"`
[INFO] [stdout] fb77dc74b60514fc7bb91998d3dfcda6f58b45a9a9350402d26f8e10e483c765
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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-enum/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] d12f5ad6565f18d06bae62551bb33c713ca42fc5158dc8efcf7e0fe3dad6e9db
[INFO] running `"docker" "start" "-a" "d12f5ad6565f18d06bae62551bb33c713ca42fc5158dc8efcf7e0fe3dad6e9db"`
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling futures-enum v0.1.9 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.09s
[INFO] running `"docker" "inspect" "d12f5ad6565f18d06bae62551bb33c713ca42fc5158dc8efcf7e0fe3dad6e9db"`
[INFO] running `"docker" "rm" "-f" "d12f5ad6565f18d06bae62551bb33c713ca42fc5158dc8efcf7e0fe3dad6e9db"`
[INFO] [stdout] d12f5ad6565f18d06bae62551bb33c713ca42fc5158dc8efcf7e0fe3dad6e9db
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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-enum/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] f0fd9e4d681502d2ea6ae70cf4f755c9eb29627546a1dbd7dd038d9084d216e7
[INFO] running `"docker" "start" "-a" "f0fd9e4d681502d2ea6ae70cf4f755c9eb29627546a1dbd7dd038d9084d216e7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/futures_enum-f935fa646b2f2d83
[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/test-4d769d7eb5360439
[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-enum
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f0fd9e4d681502d2ea6ae70cf4f755c9eb29627546a1dbd7dd038d9084d216e7"`
[INFO] running `"docker" "rm" "-f" "f0fd9e4d681502d2ea6ae70cf4f755c9eb29627546a1dbd7dd038d9084d216e7"`
[INFO] [stdout] f0fd9e4d681502d2ea6ae70cf4f755c9eb29627546a1dbd7dd038d9084d216e7