[INFO] crate sluice 0.4.1 is already in cache
[INFO] extracting crate sluice 0.4.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/sluice/0.4.1
[INFO] extracting crate sluice 0.4.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sluice/0.4.1
[INFO] validating manifest of sluice-0.4.1 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 sluice-0.4.1 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 sluice-0.4.1
[INFO] finished frobbing sluice-0.4.1
[INFO] frobbed toml for sluice-0.4.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/sluice/0.4.1/Cargo.toml
[INFO] started frobbing sluice-0.4.1
[INFO] finished frobbing sluice-0.4.1
[INFO] frobbed toml for sluice-0.4.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sluice/0.4.1/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 sluice-0.4.1 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/sluice/0.4.1:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] ec538ddcd89910eea6b91e9fbcdcdfecd7839df4d37309e1466471f38b43def4
[INFO] running `"docker" "start" "-a" "ec538ddcd89910eea6b91e9fbcdcdfecd7839df4d37309e1466471f38b43def4"`
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling sluice v0.4.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `"docker" "inspect" "ec538ddcd89910eea6b91e9fbcdcdfecd7839df4d37309e1466471f38b43def4"`
[INFO] running `"docker" "rm" "-f" "ec538ddcd89910eea6b91e9fbcdcdfecd7839df4d37309e1466471f38b43def4"`
[INFO] [stdout] ec538ddcd89910eea6b91e9fbcdcdfecd7839df4d37309e1466471f38b43def4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/sluice/0.4.1:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 89f2f72c25fb16c9b8fcb3f16029be14a7f2d0c35a9649894f3e1c5adc73ccc5
[INFO] running `"docker" "start" "-a" "89f2f72c25fb16c9b8fcb3f16029be14a7f2d0c35a9649894f3e1c5adc73ccc5"`
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling sluice v0.4.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.99s
[INFO] running `"docker" "inspect" "89f2f72c25fb16c9b8fcb3f16029be14a7f2d0c35a9649894f3e1c5adc73ccc5"`
[INFO] running `"docker" "rm" "-f" "89f2f72c25fb16c9b8fcb3f16029be14a7f2d0c35a9649894f3e1c5adc73ccc5"`
[INFO] [stdout] 89f2f72c25fb16c9b8fcb3f16029be14a7f2d0c35a9649894f3e1c5adc73ccc5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/sluice/0.4.1:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 9c400fc4f46edc97120d35b3d5ce9ddceea1143cb2ddd51600b2db5fd2152dd1
[INFO] running `"docker" "start" "-a" "9c400fc4f46edc97120d35b3d5ce9ddceea1143cb2ddd51600b2db5fd2152dd1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sluice-e934d0a6d3a77616
[INFO] [stderr]    Doc-tests sluice
[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" "9c400fc4f46edc97120d35b3d5ce9ddceea1143cb2ddd51600b2db5fd2152dd1"`
[INFO] running `"docker" "rm" "-f" "9c400fc4f46edc97120d35b3d5ce9ddceea1143cb2ddd51600b2db5fd2152dd1"`
[INFO] [stdout] 9c400fc4f46edc97120d35b3d5ce9ddceea1143cb2ddd51600b2db5fd2152dd1