[INFO] fetching crate async-discover 0.0.0...
[INFO] extracting crate async-discover 0.0.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/async-discover/0.0.0
[INFO] extracting crate async-discover 0.0.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/async-discover/0.0.0
[INFO] validating manifest of async-discover-0.0.0 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 async-discover-0.0.0 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 async-discover-0.0.0
[INFO] finished frobbing async-discover-0.0.0
[INFO] frobbed toml for async-discover-0.0.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/async-discover/0.0.0/Cargo.toml
[INFO] started frobbing async-discover-0.0.0
[INFO] finished frobbing async-discover-0.0.0
[INFO] frobbed toml for async-discover-0.0.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/async-discover/0.0.0/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 async-discover-0.0.0 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-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/async-discover/0.0.0:/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] 3e8c2a01d18dc096413d7f4673669235abf1100ab6a0ae01d8f0cd592b8bf70f
[INFO] running `"docker" "start" "-a" "3e8c2a01d18dc096413d7f4673669235abf1100ab6a0ae01d8f0cd592b8bf70f"`
[INFO] [stderr]    Compiling async-discover v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `"docker" "inspect" "3e8c2a01d18dc096413d7f4673669235abf1100ab6a0ae01d8f0cd592b8bf70f"`
[INFO] running `"docker" "rm" "-f" "3e8c2a01d18dc096413d7f4673669235abf1100ab6a0ae01d8f0cd592b8bf70f"`
[INFO] [stdout] 3e8c2a01d18dc096413d7f4673669235abf1100ab6a0ae01d8f0cd592b8bf70f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/async-discover/0.0.0:/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] a092d758d9ed52bcd14cfe35a4f3ff463df550642d84a28621231442b356b1d3
[INFO] running `"docker" "start" "-a" "a092d758d9ed52bcd14cfe35a4f3ff463df550642d84a28621231442b356b1d3"`
[INFO] [stderr]    Compiling async-discover v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "a092d758d9ed52bcd14cfe35a4f3ff463df550642d84a28621231442b356b1d3"`
[INFO] running `"docker" "rm" "-f" "a092d758d9ed52bcd14cfe35a4f3ff463df550642d84a28621231442b356b1d3"`
[INFO] [stdout] a092d758d9ed52bcd14cfe35a4f3ff463df550642d84a28621231442b356b1d3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/async-discover/0.0.0:/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] bd44c9383509f6dfb6b8461d5fb68ff9e4b9358b38742efadaad7c7218b6b43f
[INFO] running `"docker" "start" "-a" "bd44c9383509f6dfb6b8461d5fb68ff9e4b9358b38742efadaad7c7218b6b43f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/async_discover-1bb6304eee39165d
[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 async-discover
[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" "bd44c9383509f6dfb6b8461d5fb68ff9e4b9358b38742efadaad7c7218b6b43f"`
[INFO] running `"docker" "rm" "-f" "bd44c9383509f6dfb6b8461d5fb68ff9e4b9358b38742efadaad7c7218b6b43f"`
[INFO] [stdout] bd44c9383509f6dfb6b8461d5fb68ff9e4b9358b38742efadaad7c7218b6b43f