[INFO] updating cached repository Libbum/cluster-opt-gen
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Libbum/cluster-opt-gen
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Libbum/cluster-opt-gen" "work/ex/beta-1.37-6/sources/1.36.0/gh/Libbum/cluster-opt-gen"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Libbum/cluster-opt-gen'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Libbum/cluster-opt-gen" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Libbum/cluster-opt-gen"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Libbum/cluster-opt-gen'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7b63594ce8cdb80a8a989ee7e4a16608fa0df734
[INFO] sha for GitHub repo Libbum/cluster-opt-gen: 7b63594ce8cdb80a8a989ee7e4a16608fa0df734
[INFO] validating manifest of Libbum/cluster-opt-gen 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 Libbum/cluster-opt-gen 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 Libbum/cluster-opt-gen
[INFO] finished frobbing Libbum/cluster-opt-gen
[INFO] frobbed toml for Libbum/cluster-opt-gen written to work/ex/beta-1.37-6/sources/1.36.0/gh/Libbum/cluster-opt-gen/Cargo.toml
[INFO] started frobbing Libbum/cluster-opt-gen
[INFO] finished frobbing Libbum/cluster-opt-gen
[INFO] frobbed toml for Libbum/cluster-opt-gen written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Libbum/cluster-opt-gen/Cargo.toml
[INFO] crate Libbum/cluster-opt-gen 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] testing Libbum/cluster-opt-gen 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-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Libbum/cluster-opt-gen:/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] c2e9b0a2f8dffe516470c2feb35e3e02005caee86eb3825c1c27f11a570d2130
[INFO] running `"docker" "start" "-a" "c2e9b0a2f8dffe516470c2feb35e3e02005caee86eb3825c1c27f11a570d2130"`
[INFO] [stderr]    Compiling cluster_opt_gen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `"docker" "inspect" "c2e9b0a2f8dffe516470c2feb35e3e02005caee86eb3825c1c27f11a570d2130"`
[INFO] running `"docker" "rm" "-f" "c2e9b0a2f8dffe516470c2feb35e3e02005caee86eb3825c1c27f11a570d2130"`
[INFO] [stdout] c2e9b0a2f8dffe516470c2feb35e3e02005caee86eb3825c1c27f11a570d2130
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Libbum/cluster-opt-gen:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 489ce29f097d7434be19b1c91dc0c0c7ce1e247b7408df35d0c515747c711b95
[INFO] running `"docker" "start" "-a" "489ce29f097d7434be19b1c91dc0c0c7ce1e247b7408df35d0c515747c711b95"`
[INFO] [stderr]    Compiling cluster_opt_gen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "489ce29f097d7434be19b1c91dc0c0c7ce1e247b7408df35d0c515747c711b95"`
[INFO] running `"docker" "rm" "-f" "489ce29f097d7434be19b1c91dc0c0c7ce1e247b7408df35d0c515747c711b95"`
[INFO] [stdout] 489ce29f097d7434be19b1c91dc0c0c7ce1e247b7408df35d0c515747c711b95
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Libbum/cluster-opt-gen:/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" "test" "--frozen"`
[INFO] [stdout] 509b7affab4c0151ccef63c88c34c6799de73abbd46932f9a5d1945fcbcd71a5
[INFO] running `"docker" "start" "-a" "509b7affab4c0151ccef63c88c34c6799de73abbd46932f9a5d1945fcbcd71a5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cluster_opt_gen-33fed1b40d77bd9f
[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" "509b7affab4c0151ccef63c88c34c6799de73abbd46932f9a5d1945fcbcd71a5"`
[INFO] running `"docker" "rm" "-f" "509b7affab4c0151ccef63c88c34c6799de73abbd46932f9a5d1945fcbcd71a5"`
[INFO] [stdout] 509b7affab4c0151ccef63c88c34c6799de73abbd46932f9a5d1945fcbcd71a5