[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-1.37-6/sources/1.36.0/gh/museun/whatfeatures"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/museun/whatfeatures'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/museun/whatfeatures" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/museun/whatfeatures"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of museun/whatfeatures 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 museun/whatfeatures
[INFO] finished frobbing museun/whatfeatures
[INFO] frobbed toml for museun/whatfeatures written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing museun/whatfeatures against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 966a7b61dd5a82d18504c0fe859bfbb5a28576ecd26ed38102e99bb1c12d8bce
[INFO] running `"docker" "start" "-a" "966a7b61dd5a82d18504c0fe859bfbb5a28576ecd26ed38102e99bb1c12d8bce"`
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling libflate v0.1.23
[INFO] [stderr]    Compiling http v0.1.17
[INFO] [stderr]    Compiling gumdrop_derive v0.5.0
[INFO] [stderr]    Compiling attohttpc v0.4.1
[INFO] [stderr]    Compiling gumdrop v0.5.0
[INFO] [stderr]    Compiling whatfeatures v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.71s
[INFO] running `"docker" "inspect" "966a7b61dd5a82d18504c0fe859bfbb5a28576ecd26ed38102e99bb1c12d8bce"`
[INFO] running `"docker" "rm" "-f" "966a7b61dd5a82d18504c0fe859bfbb5a28576ecd26ed38102e99bb1c12d8bce"`
[INFO] [stdout] 966a7b61dd5a82d18504c0fe859bfbb5a28576ecd26ed38102e99bb1c12d8bce
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 605355af8d4f808da29cc4e8973301a9e5e16af0063d9cb2a19019712fc9eab5
[INFO] running `"docker" "start" "-a" "605355af8d4f808da29cc4e8973301a9e5e16af0063d9cb2a19019712fc9eab5"`
[INFO] [stderr]    Compiling whatfeatures v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `"docker" "inspect" "605355af8d4f808da29cc4e8973301a9e5e16af0063d9cb2a19019712fc9eab5"`
[INFO] running `"docker" "rm" "-f" "605355af8d4f808da29cc4e8973301a9e5e16af0063d9cb2a19019712fc9eab5"`
[INFO] [stdout] 605355af8d4f808da29cc4e8973301a9e5e16af0063d9cb2a19019712fc9eab5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 01aa64551fa229bc820800b425c272d33642b40cb84c53ef998a1921b06ad670
[INFO] running `"docker" "start" "-a" "01aa64551fa229bc820800b425c272d33642b40cb84c53ef998a1921b06ad670"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/whatfeatures-d09d22bd88dccc32
[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" "01aa64551fa229bc820800b425c272d33642b40cb84c53ef998a1921b06ad670"`
[INFO] running `"docker" "rm" "-f" "01aa64551fa229bc820800b425c272d33642b40cb84c53ef998a1921b06ad670"`
[INFO] [stdout] 01aa64551fa229bc820800b425c272d33642b40cb84c53ef998a1921b06ad670