[INFO] fetching crate async-tests 0.0.0...
[INFO] extracting crate async-tests 0.0.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/async-tests/0.0.0
[INFO] extracting crate async-tests 0.0.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/async-tests/0.0.0
[INFO] validating manifest of async-tests-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-tests-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-tests-0.0.0
[INFO] finished frobbing async-tests-0.0.0
[INFO] frobbed toml for async-tests-0.0.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/async-tests/0.0.0/Cargo.toml
[INFO] started frobbing async-tests-0.0.0
[INFO] finished frobbing async-tests-0.0.0
[INFO] frobbed toml for async-tests-0.0.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/async-tests/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-tests-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-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/async-tests/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] bc8e138e73698c4093516471dcfbc8378117fb47c674a4bf855e37bc7e654ea9
[INFO] running `"docker" "start" "-a" "bc8e138e73698c4093516471dcfbc8378117fb47c674a4bf855e37bc7e654ea9"`
[INFO] [stderr]    Compiling async-tests v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `"docker" "inspect" "bc8e138e73698c4093516471dcfbc8378117fb47c674a4bf855e37bc7e654ea9"`
[INFO] running `"docker" "rm" "-f" "bc8e138e73698c4093516471dcfbc8378117fb47c674a4bf855e37bc7e654ea9"`
[INFO] [stdout] bc8e138e73698c4093516471dcfbc8378117fb47c674a4bf855e37bc7e654ea9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/async-tests/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] 575c75e70355e62a934c919adaafb6cf16f6597a1d395b06ec71d5f3ce82921e
[INFO] running `"docker" "start" "-a" "575c75e70355e62a934c919adaafb6cf16f6597a1d395b06ec71d5f3ce82921e"`
[INFO] [stderr]    Compiling async-tests v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `"docker" "inspect" "575c75e70355e62a934c919adaafb6cf16f6597a1d395b06ec71d5f3ce82921e"`
[INFO] running `"docker" "rm" "-f" "575c75e70355e62a934c919adaafb6cf16f6597a1d395b06ec71d5f3ce82921e"`
[INFO] [stdout] 575c75e70355e62a934c919adaafb6cf16f6597a1d395b06ec71d5f3ce82921e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/async-tests/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] 915329ff6e83bd0d4f86de98be1b55740912e0c9c7edfe2057b5bdbd6fbf0d47
[INFO] running `"docker" "start" "-a" "915329ff6e83bd0d4f86de98be1b55740912e0c9c7edfe2057b5bdbd6fbf0d47"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/async_tests-4a270cf09a321645
[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-tests
[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" "915329ff6e83bd0d4f86de98be1b55740912e0c9c7edfe2057b5bdbd6fbf0d47"`
[INFO] running `"docker" "rm" "-f" "915329ff6e83bd0d4f86de98be1b55740912e0c9c7edfe2057b5bdbd6fbf0d47"`
[INFO] [stdout] 915329ff6e83bd0d4f86de98be1b55740912e0c9c7edfe2057b5bdbd6fbf0d47