[INFO] updating cached repository cmsd2/kvs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cmsd2/kvs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cmsd2/kvs" "work/ex/beta-1.37-6/sources/1.36.0/gh/cmsd2/kvs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/cmsd2/kvs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cmsd2/kvs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cmsd2/kvs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cmsd2/kvs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2406049ea928ba216a43c4d79143aee00ecb627c
[INFO] sha for GitHub repo cmsd2/kvs: 2406049ea928ba216a43c4d79143aee00ecb627c
[INFO] validating manifest of cmsd2/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 cmsd2/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 cmsd2/kvs
[INFO] finished frobbing cmsd2/kvs
[INFO] frobbed toml for cmsd2/kvs written to work/ex/beta-1.37-6/sources/1.36.0/gh/cmsd2/kvs/Cargo.toml
[INFO] started frobbing cmsd2/kvs
[INFO] finished frobbing cmsd2/kvs
[INFO] frobbed toml for cmsd2/kvs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cmsd2/kvs/Cargo.toml
[INFO] crate cmsd2/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 cmsd2/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-2/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/cmsd2/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] 861e988a63aec73f7ae368c89f40b9d6630afb512efc771f32f8e3c3c15f3f81
[INFO] running `"docker" "start" "-a" "861e988a63aec73f7ae368c89f40b9d6630afb512efc771f32f8e3c3c15f3f81"`
[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 kvs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/result.rs:56:32
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stderr]    |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.48s
[INFO] running `"docker" "inspect" "861e988a63aec73f7ae368c89f40b9d6630afb512efc771f32f8e3c3c15f3f81"`
[INFO] running `"docker" "rm" "-f" "861e988a63aec73f7ae368c89f40b9d6630afb512efc771f32f8e3c3c15f3f81"`
[INFO] [stdout] 861e988a63aec73f7ae368c89f40b9d6630afb512efc771f32f8e3c3c15f3f81
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/cmsd2/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] 3b7c8b86f4f64de2aa72a919753db51292cfffa40aeb1c4a871109407ca6d3c0
[INFO] running `"docker" "start" "-a" "3b7c8b86f4f64de2aa72a919753db51292cfffa40aeb1c4a871109407ca6d3c0"`
[INFO] [stderr]    Compiling float-cmp v0.4.0
[INFO] [stderr]    Compiling tempfile v3.0.8
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]    Compiling predicates v1.0.1
[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 9.52s
[INFO] running `"docker" "inspect" "3b7c8b86f4f64de2aa72a919753db51292cfffa40aeb1c4a871109407ca6d3c0"`
[INFO] running `"docker" "rm" "-f" "3b7c8b86f4f64de2aa72a919753db51292cfffa40aeb1c4a871109407ca6d3c0"`
[INFO] [stdout] 3b7c8b86f4f64de2aa72a919753db51292cfffa40aeb1c4a871109407ca6d3c0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/cmsd2/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] 0be90a5f24e87728781fc43a33e6b57d02ca658090217bf12b98bae16607a7b4
[INFO] running `"docker" "start" "-a" "0be90a5f24e87728781fc43a33e6b57d02ca658090217bf12b98bae16607a7b4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tests-52b690dacc133586
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test cli_get_non_existent_key ... ok
[INFO] [stdout] test cli_no_args ... ok
[INFO] [stdout] test cli_invalid_subcommand ... ok
[INFO] [stdout] test cli_version ... ok
[INFO] [stdout] test cli_invalid_rm ... ok
[INFO] [stdout] test get_non_existent_value ... ok
[INFO] [stdout] test get_stored_value ... ok
[INFO] [stdout] test overwrite_value ... ok
[INFO] [stdout] test cli_set ... ok
[INFO] [stdout] test cli_rm_non_existent_key ... ok
[INFO] [stdout] test cli_rm_stored ... ok
[INFO] [stdout] test cli_get_stored ... ok
[INFO] [stdout] test cli_invalid_set ... ok
[INFO] [stdout] test remove_key ... ok
[INFO] [stdout] test remove_non_existent_key ... ok
[INFO] [stdout] test cli_invalid_get ... ok
[INFO] [stdout] test compaction ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0be90a5f24e87728781fc43a33e6b57d02ca658090217bf12b98bae16607a7b4"`
[INFO] running `"docker" "rm" "-f" "0be90a5f24e87728781fc43a33e6b57d02ca658090217bf12b98bae16607a7b4"`
[INFO] [stdout] 0be90a5f24e87728781fc43a33e6b57d02ca658090217bf12b98bae16607a7b4