[INFO] updating cached repository watmough/fuzz_survey
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/watmough/fuzz_survey
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/watmough/fuzz_survey" "work/ex/beta-1.38-1/sources/1.37.0/gh/watmough/fuzz_survey"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/watmough/fuzz_survey'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/watmough/fuzz_survey" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/watmough/fuzz_survey"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/watmough/fuzz_survey'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8b1d11c42b2baef047108063328acf05cf2d56e2
[INFO] sha for GitHub repo watmough/fuzz_survey: 8b1d11c42b2baef047108063328acf05cf2d56e2
[INFO] validating manifest of watmough/fuzz_survey 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 watmough/fuzz_survey 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 watmough/fuzz_survey
[INFO] finished frobbing watmough/fuzz_survey
[INFO] frobbed toml for watmough/fuzz_survey written to work/ex/beta-1.38-1/sources/1.37.0/gh/watmough/fuzz_survey/Cargo.toml
[INFO] started frobbing watmough/fuzz_survey
[INFO] finished frobbing watmough/fuzz_survey
[INFO] frobbed toml for watmough/fuzz_survey written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/watmough/fuzz_survey/Cargo.toml
[INFO] crate watmough/fuzz_survey 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 watmough/fuzz_survey 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-2/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/watmough/fuzz_survey:/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] 70240e5a0768efddd37f44617e9c427637fc95b330760d28682c6d5db330fe15
[INFO] running `"docker" "start" "-a" "70240e5a0768efddd37f44617e9c427637fc95b330760d28682c6d5db330fe15"`
[INFO] [stderr]    Compiling either v1.0.2
[INFO] [stderr]    Compiling itertools v0.5.7
[INFO] [stderr]    Compiling fuzz_survey v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.28s
[INFO] running `"docker" "inspect" "70240e5a0768efddd37f44617e9c427637fc95b330760d28682c6d5db330fe15"`
[INFO] running `"docker" "rm" "-f" "70240e5a0768efddd37f44617e9c427637fc95b330760d28682c6d5db330fe15"`
[INFO] [stdout] 70240e5a0768efddd37f44617e9c427637fc95b330760d28682c6d5db330fe15
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/watmough/fuzz_survey:/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] 01a42cf16f00b932b9fbdf7f62a4c90c430aa9c02823081f479c7666ab88b76c
[INFO] running `"docker" "start" "-a" "01a42cf16f00b932b9fbdf7f62a4c90c430aa9c02823081f479c7666ab88b76c"`
[INFO] [stderr]    Compiling fuzz_survey v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "01a42cf16f00b932b9fbdf7f62a4c90c430aa9c02823081f479c7666ab88b76c"`
[INFO] running `"docker" "rm" "-f" "01a42cf16f00b932b9fbdf7f62a4c90c430aa9c02823081f479c7666ab88b76c"`
[INFO] [stdout] 01a42cf16f00b932b9fbdf7f62a4c90c430aa9c02823081f479c7666ab88b76c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/watmough/fuzz_survey:/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] 947cbe24be9ba41bdcf0ee148227b7119733fcab7f98c0abbee3b9898546a495
[INFO] running `"docker" "start" "-a" "947cbe24be9ba41bdcf0ee148227b7119733fcab7f98c0abbee3b9898546a495"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fuzz_survey-8e706f9b84e252dc
[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" "947cbe24be9ba41bdcf0ee148227b7119733fcab7f98c0abbee3b9898546a495"`
[INFO] running `"docker" "rm" "-f" "947cbe24be9ba41bdcf0ee148227b7119733fcab7f98c0abbee3b9898546a495"`
[INFO] [stdout] 947cbe24be9ba41bdcf0ee148227b7119733fcab7f98c0abbee3b9898546a495