[INFO] updating cached repository ChristophWurst/nn_async
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ChristophWurst/nn_async
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ChristophWurst/nn_async" "work/ex/beta-1.38-1/sources/1.37.0/gh/ChristophWurst/nn_async"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ChristophWurst/nn_async'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ChristophWurst/nn_async" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ChristophWurst/nn_async"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ChristophWurst/nn_async'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 80ac2bc888c9038711b85a30ddcc6cbb343b00a0
[INFO] sha for GitHub repo ChristophWurst/nn_async: 80ac2bc888c9038711b85a30ddcc6cbb343b00a0
[INFO] validating manifest of ChristophWurst/nn_async 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 ChristophWurst/nn_async 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 ChristophWurst/nn_async
[INFO] finished frobbing ChristophWurst/nn_async
[INFO] frobbed toml for ChristophWurst/nn_async written to work/ex/beta-1.38-1/sources/1.37.0/gh/ChristophWurst/nn_async/Cargo.toml
[INFO] started frobbing ChristophWurst/nn_async
[INFO] finished frobbing ChristophWurst/nn_async
[INFO] frobbed toml for ChristophWurst/nn_async written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ChristophWurst/nn_async/Cargo.toml
[INFO] crate ChristophWurst/nn_async already has a lockfile, it will not be regenerated
[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 ChristophWurst/nn_async against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ChristophWurst/nn_async:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 1b1ec87aa0be4a71c3cb976ad3f2d76762a311be2bbaee60b6ab2ec06b1024d8
[INFO] running `"docker" "start" "-a" "1b1ec87aa0be4a71c3cb976ad3f2d76762a311be2bbaee60b6ab2ec06b1024d8"`
[INFO] [stderr]    Compiling num_cpus v1.7.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.7
[INFO] [stderr]    Compiling nn_async v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.97s
[INFO] running `"docker" "inspect" "1b1ec87aa0be4a71c3cb976ad3f2d76762a311be2bbaee60b6ab2ec06b1024d8"`
[INFO] running `"docker" "rm" "-f" "1b1ec87aa0be4a71c3cb976ad3f2d76762a311be2bbaee60b6ab2ec06b1024d8"`
[INFO] [stdout] 1b1ec87aa0be4a71c3cb976ad3f2d76762a311be2bbaee60b6ab2ec06b1024d8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ChristophWurst/nn_async:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] fa4455114d6cc4dd0a5fb46253e85cc53d0370200677830f21468a3a7d3f9638
[INFO] running `"docker" "start" "-a" "fa4455114d6cc4dd0a5fb46253e85cc53d0370200677830f21468a3a7d3f9638"`
[INFO] [stderr]    Compiling nn_async v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "fa4455114d6cc4dd0a5fb46253e85cc53d0370200677830f21468a3a7d3f9638"`
[INFO] running `"docker" "rm" "-f" "fa4455114d6cc4dd0a5fb46253e85cc53d0370200677830f21468a3a7d3f9638"`
[INFO] [stdout] fa4455114d6cc4dd0a5fb46253e85cc53d0370200677830f21468a3a7d3f9638
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ChristophWurst/nn_async:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 3f6a7e1c74fd2689218bed6496c1d219194500b1ff95f2a45709a3f303d615e6
[INFO] running `"docker" "start" "-a" "3f6a7e1c74fd2689218bed6496c1d219194500b1ff95f2a45709a3f303d615e6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nn_async-9355266654bf55d0
[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/nn_async-f3bea2f0cdb52e28
[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 nn_async
[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" "3f6a7e1c74fd2689218bed6496c1d219194500b1ff95f2a45709a3f303d615e6"`
[INFO] running `"docker" "rm" "-f" "3f6a7e1c74fd2689218bed6496c1d219194500b1ff95f2a45709a3f303d615e6"`
[INFO] [stdout] 3f6a7e1c74fd2689218bed6496c1d219194500b1ff95f2a45709a3f303d615e6