[INFO] updating cached repository songzhi/kvs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/songzhi/kvs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/songzhi/kvs" "work/ex/beta-1.37-6/sources/1.36.0/gh/songzhi/kvs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/songzhi/kvs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/songzhi/kvs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/songzhi/kvs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/songzhi/kvs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 933ffb47975b45484dd9c2cb2dd7f7e07e50005e
[INFO] sha for GitHub repo songzhi/kvs: 933ffb47975b45484dd9c2cb2dd7f7e07e50005e
[INFO] validating manifest of songzhi/kvs 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 songzhi/kvs 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 songzhi/kvs
[INFO] finished frobbing songzhi/kvs
[INFO] frobbed toml for songzhi/kvs written to work/ex/beta-1.37-6/sources/1.36.0/gh/songzhi/kvs/Cargo.toml
[INFO] started frobbing songzhi/kvs
[INFO] finished frobbing songzhi/kvs
[INFO] frobbed toml for songzhi/kvs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/songzhi/kvs/Cargo.toml
[INFO] crate songzhi/kvs 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 songzhi/kvs 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-3/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/songzhi/kvs:/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] 7f6dc5d220bce3692a99386cb4791e47ba409844a4aa9844d054630d99370153
[INFO] running `"docker" "start" "-a" "7f6dc5d220bce3692a99386cb4791e47ba409844a4aa9844d054630d99370153"`
[INFO] [stderr]    Compiling kvs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `"docker" "inspect" "7f6dc5d220bce3692a99386cb4791e47ba409844a4aa9844d054630d99370153"`
[INFO] running `"docker" "rm" "-f" "7f6dc5d220bce3692a99386cb4791e47ba409844a4aa9844d054630d99370153"`
[INFO] [stdout] 7f6dc5d220bce3692a99386cb4791e47ba409844a4aa9844d054630d99370153
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/songzhi/kvs:/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] 787e8e84a3dc87a96dd388f8a640971622a908859e51d755e6ec2d4bc708f415
[INFO] running `"docker" "start" "-a" "787e8e84a3dc87a96dd388f8a640971622a908859e51d755e6ec2d4bc708f415"`
[INFO] [stderr]    Compiling syn v0.15.35
[INFO] [stderr]    Compiling float-cmp v0.4.0
[INFO] [stderr]    Compiling predicates v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]    Compiling assert_cmd v0.11.1
[INFO] [stderr]    Compiling kvs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.45s
[INFO] running `"docker" "inspect" "787e8e84a3dc87a96dd388f8a640971622a908859e51d755e6ec2d4bc708f415"`
[INFO] running `"docker" "rm" "-f" "787e8e84a3dc87a96dd388f8a640971622a908859e51d755e6ec2d4bc708f415"`
[INFO] [stdout] 787e8e84a3dc87a96dd388f8a640971622a908859e51d755e6ec2d4bc708f415
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/songzhi/kvs:/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] 412c1aaa28e1ed3819be6d3dc410a209930bcb70165a495aaef03f92e08c120d
[INFO] running `"docker" "start" "-a" "412c1aaa28e1ed3819be6d3dc410a209930bcb70165a495aaef03f92e08c120d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/kvs-9cf8eb56a5db9b14
[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] [stderr]      Running /opt/crater/target/debug/deps/kvs-b42e4c3b2392f41b
[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] [stderr]      Running /opt/crater/target/debug/deps/tests-c60b0e8b8268121b
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test cli_set ... ok
[INFO] [stdout] test cli_rm ... ok
[INFO] [stdout] test cli_no_args ... ok
[INFO] [stdout] test get_non_existent_value ... ok
[INFO] [stdout] test get_stored_value ... ok
[INFO] [stdout] test remove_key ... ok
[INFO] [stdout] test overwrite_value ... ok
[INFO] [stdout] test cli_invalid_rm ... ok
[INFO] [stdout] test cli_get ... ok
[INFO] [stdout] test cli_version ... ok
[INFO] [stdout] test cli_invalid_subcommand ... ok
[INFO] [stdout] test cli_invalid_set ... ok
[INFO] [stdout] test cli_invalid_get ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kvs
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/kv.rs - kv::KvStore (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "412c1aaa28e1ed3819be6d3dc410a209930bcb70165a495aaef03f92e08c120d"`
[INFO] running `"docker" "rm" "-f" "412c1aaa28e1ed3819be6d3dc410a209930bcb70165a495aaef03f92e08c120d"`
[INFO] [stdout] 412c1aaa28e1ed3819be6d3dc410a209930bcb70165a495aaef03f92e08c120d