[INFO] crate qcgpu 0.1.0 is already in cache
[INFO] extracting crate qcgpu 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/qcgpu/0.1.0
[INFO] extracting crate qcgpu 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/qcgpu/0.1.0
[INFO] validating manifest of qcgpu-0.1.0 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 qcgpu-0.1.0 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 qcgpu-0.1.0
[INFO] removed 5 missing examples
[INFO] finished frobbing qcgpu-0.1.0
[INFO] frobbed toml for qcgpu-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/qcgpu/0.1.0/Cargo.toml
[INFO] started frobbing qcgpu-0.1.0
[INFO] removed 5 missing examples
[INFO] finished frobbing qcgpu-0.1.0
[INFO] frobbed toml for qcgpu-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/qcgpu/0.1.0/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 qcgpu-0.1.0 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-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/qcgpu/0.1.0:/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] e7de8f5e44e886633124655aaf9afe7d2fc0f17461134ed9f14564f34242f764
[INFO] running `"docker" "start" "-a" "e7de8f5e44e886633124655aaf9afe7d2fc0f17461134ed9f14564f34242f764"`
[INFO] [stderr] error: failed to parse manifest at `/opt/crater/workdir/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   can't find `benchmark` bench, specify bench.path
[INFO] running `"docker" "inspect" "e7de8f5e44e886633124655aaf9afe7d2fc0f17461134ed9f14564f34242f764"`
[INFO] running `"docker" "rm" "-f" "e7de8f5e44e886633124655aaf9afe7d2fc0f17461134ed9f14564f34242f764"`
[INFO] [stdout] e7de8f5e44e886633124655aaf9afe7d2fc0f17461134ed9f14564f34242f764