[INFO] crate snowflake-multi-threaded 0.1.4 is already in cache
[INFO] extracting crate snowflake-multi-threaded 0.1.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/snowflake-multi-threaded/0.1.4
[INFO] extracting crate snowflake-multi-threaded 0.1.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/snowflake-multi-threaded/0.1.4
[INFO] validating manifest of snowflake-multi-threaded-0.1.4 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 snowflake-multi-threaded-0.1.4 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 snowflake-multi-threaded-0.1.4
[INFO] finished frobbing snowflake-multi-threaded-0.1.4
[INFO] frobbed toml for snowflake-multi-threaded-0.1.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/snowflake-multi-threaded/0.1.4/Cargo.toml
[INFO] started frobbing snowflake-multi-threaded-0.1.4
[INFO] finished frobbing snowflake-multi-threaded-0.1.4
[INFO] frobbed toml for snowflake-multi-threaded-0.1.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/snowflake-multi-threaded/0.1.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 snowflake-multi-threaded-0.1.4 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/snowflake-multi-threaded/0.1.4:/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] 86f9172e6c54e088c9ce179b35e776d963d3b9031d2d8a99f74540a2b6f3640e
[INFO] running `"docker" "start" "-a" "86f9172e6c54e088c9ce179b35e776d963d3b9031d2d8a99f74540a2b6f3640e"`
[INFO] [stderr]    Compiling snowflake-multi-threaded v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "86f9172e6c54e088c9ce179b35e776d963d3b9031d2d8a99f74540a2b6f3640e"`
[INFO] running `"docker" "rm" "-f" "86f9172e6c54e088c9ce179b35e776d963d3b9031d2d8a99f74540a2b6f3640e"`
[INFO] [stdout] 86f9172e6c54e088c9ce179b35e776d963d3b9031d2d8a99f74540a2b6f3640e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/snowflake-multi-threaded/0.1.4:/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] 5433fea48fc408c2ce8caf1f3277e92f971fd3283bde70aa7d5e10c902b1d786
[INFO] running `"docker" "start" "-a" "5433fea48fc408c2ce8caf1f3277e92f971fd3283bde70aa7d5e10c902b1d786"`
[INFO] [stderr]    Compiling snowflake-multi-threaded v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "5433fea48fc408c2ce8caf1f3277e92f971fd3283bde70aa7d5e10c902b1d786"`
[INFO] running `"docker" "rm" "-f" "5433fea48fc408c2ce8caf1f3277e92f971fd3283bde70aa7d5e10c902b1d786"`
[INFO] [stdout] 5433fea48fc408c2ce8caf1f3277e92f971fd3283bde70aa7d5e10c902b1d786
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/snowflake-multi-threaded/0.1.4:/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] 8390a942bcf4b95e2a7367eb3e39092cdad6029d46edbb96851030cd62ec783f
[INFO] running `"docker" "start" "-a" "8390a942bcf4b95e2a7367eb3e39092cdad6029d46edbb96851030cd62ec783f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/snowflake_multi_threaded-9ec4245c58c43163
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::multi_thread ... ok
[INFO] [stdout] test test::loop_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests snowflake-multi-threaded
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - SnowFlakeId::new (line 58) ... ok
[INFO] [stdout] test src/lib.rs -  (line 16) ... ok
[INFO] [stdout] test src/lib.rs - SnowFlakeId::generate_id (line 90) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8390a942bcf4b95e2a7367eb3e39092cdad6029d46edbb96851030cd62ec783f"`
[INFO] running `"docker" "rm" "-f" "8390a942bcf4b95e2a7367eb3e39092cdad6029d46edbb96851030cd62ec783f"`
[INFO] [stdout] 8390a942bcf4b95e2a7367eb3e39092cdad6029d46edbb96851030cd62ec783f