[INFO] updating cached repository matklad/minidb
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/matklad/minidb
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/matklad/minidb" "work/ex/beta-1.38-1/sources/1.37.0/gh/matklad/minidb"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/matklad/minidb'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/matklad/minidb" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/matklad/minidb"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/matklad/minidb'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ca7a64e64df767254da852e15f8984b7f7774603
[INFO] sha for GitHub repo matklad/minidb: ca7a64e64df767254da852e15f8984b7f7774603
[INFO] validating manifest of matklad/minidb 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 matklad/minidb 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 matklad/minidb
[INFO] finished frobbing matklad/minidb
[INFO] frobbed toml for matklad/minidb written to work/ex/beta-1.38-1/sources/1.37.0/gh/matklad/minidb/Cargo.toml
[INFO] started frobbing matklad/minidb
[INFO] finished frobbing matklad/minidb
[INFO] frobbed toml for matklad/minidb written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/matklad/minidb/Cargo.toml
[INFO] crate matklad/minidb 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 matklad/minidb against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/matklad/minidb:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] b951d768d6b6ce196cb5b055099dd692185f070b0925de44bb9bb2acb0ee6cbd
[INFO] running `"docker" "start" "-a" "b951d768d6b6ce196cb5b055099dd692185f070b0925de44bb9bb2acb0ee6cbd"`
[INFO] [stderr]    Compiling minibd v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `"docker" "inspect" "b951d768d6b6ce196cb5b055099dd692185f070b0925de44bb9bb2acb0ee6cbd"`
[INFO] running `"docker" "rm" "-f" "b951d768d6b6ce196cb5b055099dd692185f070b0925de44bb9bb2acb0ee6cbd"`
[INFO] [stdout] b951d768d6b6ce196cb5b055099dd692185f070b0925de44bb9bb2acb0ee6cbd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/matklad/minidb:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2c1097bb0516f24f98de09d4b108318d5a4df473801d59741bb0b5b485adc924
[INFO] running `"docker" "start" "-a" "2c1097bb0516f24f98de09d4b108318d5a4df473801d59741bb0b5b485adc924"`
[INFO] [stderr]    Compiling minibd v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "2c1097bb0516f24f98de09d4b108318d5a4df473801d59741bb0b5b485adc924"`
[INFO] running `"docker" "rm" "-f" "2c1097bb0516f24f98de09d4b108318d5a4df473801d59741bb0b5b485adc924"`
[INFO] [stdout] 2c1097bb0516f24f98de09d4b108318d5a4df473801d59741bb0b5b485adc924
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/matklad/minidb:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 05f041527baa9527adcf4dba397575c22b1d78c6a86aebca6aea670aae7c42e9
[INFO] running `"docker" "start" "-a" "05f041527baa9527adcf4dba397575c22b1d78c6a86aebca6aea670aae7c42e9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/minibd-49a04d7e8ef25484
[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" "05f041527baa9527adcf4dba397575c22b1d78c6a86aebca6aea670aae7c42e9"`
[INFO] running `"docker" "rm" "-f" "05f041527baa9527adcf4dba397575c22b1d78c6a86aebca6aea670aae7c42e9"`
[INFO] [stdout] 05f041527baa9527adcf4dba397575c22b1d78c6a86aebca6aea670aae7c42e9