[INFO] updating cached repository museun/whatfeatures
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/museun/whatfeatures
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/museun/whatfeatures" "work/ex/beta-1.38-1/sources/1.37.0/gh/museun/whatfeatures"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/museun/whatfeatures'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/museun/whatfeatures" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/museun/whatfeatures"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/museun/whatfeatures'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d23214c566a52fe6da29865a24d130de070e7be9
[INFO] sha for GitHub repo museun/whatfeatures: d23214c566a52fe6da29865a24d130de070e7be9
[INFO] validating manifest of museun/whatfeatures 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 museun/whatfeatures 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 museun/whatfeatures
[INFO] finished frobbing museun/whatfeatures
[INFO] frobbed toml for museun/whatfeatures written to work/ex/beta-1.38-1/sources/1.37.0/gh/museun/whatfeatures/Cargo.toml
[INFO] started frobbing museun/whatfeatures
[INFO] finished frobbing museun/whatfeatures
[INFO] frobbed toml for museun/whatfeatures written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/museun/whatfeatures/Cargo.toml
[INFO] crate museun/whatfeatures 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 museun/whatfeatures 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/museun/whatfeatures:/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] 59914ea33d25660de6f9a050d6773e33a8b625fe7ebfe13cfba05cd2f5e4191d
[INFO] running `"docker" "start" "-a" "59914ea33d25660de6f9a050d6773e33a8b625fe7ebfe13cfba05cd2f5e4191d"`
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling http v0.1.17
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling gumdrop_derive v0.5.0
[INFO] [stderr]    Compiling gumdrop v0.5.0
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling attohttpc v0.4.1
[INFO] [stderr]    Compiling whatfeatures v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.26s
[INFO] running `"docker" "inspect" "59914ea33d25660de6f9a050d6773e33a8b625fe7ebfe13cfba05cd2f5e4191d"`
[INFO] running `"docker" "rm" "-f" "59914ea33d25660de6f9a050d6773e33a8b625fe7ebfe13cfba05cd2f5e4191d"`
[INFO] [stdout] 59914ea33d25660de6f9a050d6773e33a8b625fe7ebfe13cfba05cd2f5e4191d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/museun/whatfeatures:/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] 904716677e1ea30c63b8ae45c3941cf4be5a80217bc6bcc863cf5871027ae4ca
[INFO] running `"docker" "start" "-a" "904716677e1ea30c63b8ae45c3941cf4be5a80217bc6bcc863cf5871027ae4ca"`
[INFO] [stderr]    Compiling whatfeatures v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `"docker" "inspect" "904716677e1ea30c63b8ae45c3941cf4be5a80217bc6bcc863cf5871027ae4ca"`
[INFO] running `"docker" "rm" "-f" "904716677e1ea30c63b8ae45c3941cf4be5a80217bc6bcc863cf5871027ae4ca"`
[INFO] [stdout] 904716677e1ea30c63b8ae45c3941cf4be5a80217bc6bcc863cf5871027ae4ca
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/museun/whatfeatures:/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] ac205de457e52ed3e55877cbf4d7f525487cc80adae0bf132965451f4b25ce85
[INFO] running `"docker" "start" "-a" "ac205de457e52ed3e55877cbf4d7f525487cc80adae0bf132965451f4b25ce85"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/whatfeatures-ae6b2d1edba3b3ce
[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" "ac205de457e52ed3e55877cbf4d7f525487cc80adae0bf132965451f4b25ce85"`
[INFO] running `"docker" "rm" "-f" "ac205de457e52ed3e55877cbf4d7f525487cc80adae0bf132965451f4b25ce85"`
[INFO] [stdout] ac205de457e52ed3e55877cbf4d7f525487cc80adae0bf132965451f4b25ce85