[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 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-1/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/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 02d59ce1de770312d0c6117401dabbf398be721e8f02fc65d4db9b64680161d2
[INFO] running `"docker" "start" "-a" "02d59ce1de770312d0c6117401dabbf398be721e8f02fc65d4db9b64680161d2"`
[INFO] [stderr]    Compiling libflate v0.1.23
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling attohttpc v0.4.1
[INFO] [stderr]    Compiling gumdrop_derive v0.5.0
[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 23.06s
[INFO] running `"docker" "inspect" "02d59ce1de770312d0c6117401dabbf398be721e8f02fc65d4db9b64680161d2"`
[INFO] running `"docker" "rm" "-f" "02d59ce1de770312d0c6117401dabbf398be721e8f02fc65d4db9b64680161d2"`
[INFO] [stdout] 02d59ce1de770312d0c6117401dabbf398be721e8f02fc65d4db9b64680161d2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1c07f835ab2af00a0eb1155cc7daaa04726bf06b1f07cc26b3c76483a0112ed1
[INFO] running `"docker" "start" "-a" "1c07f835ab2af00a0eb1155cc7daaa04726bf06b1f07cc26b3c76483a0112ed1"`
[INFO] [stderr]    Compiling whatfeatures v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `"docker" "inspect" "1c07f835ab2af00a0eb1155cc7daaa04726bf06b1f07cc26b3c76483a0112ed1"`
[INFO] running `"docker" "rm" "-f" "1c07f835ab2af00a0eb1155cc7daaa04726bf06b1f07cc26b3c76483a0112ed1"`
[INFO] [stdout] 1c07f835ab2af00a0eb1155cc7daaa04726bf06b1f07cc26b3c76483a0112ed1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 67876f5b3eec88a82ed5d4d47c5708e29dc52c013f5caeb1f91f47d7b75786f6
[INFO] running `"docker" "start" "-a" "67876f5b3eec88a82ed5d4d47c5708e29dc52c013f5caeb1f91f47d7b75786f6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/whatfeatures-f58d1d40606d388c
[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" "67876f5b3eec88a82ed5d4d47c5708e29dc52c013f5caeb1f91f47d7b75786f6"`
[INFO] running `"docker" "rm" "-f" "67876f5b3eec88a82ed5d4d47c5708e29dc52c013f5caeb1f91f47d7b75786f6"`
[INFO] [stdout] 67876f5b3eec88a82ed5d4d47c5708e29dc52c013f5caeb1f91f47d7b75786f6