[INFO] updating cached repository mikaylathompson/rust-bloom-filter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mikaylathompson/rust-bloom-filter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mikaylathompson/rust-bloom-filter" "work/ex/beta-1.38-1/sources/1.37.0/gh/mikaylathompson/rust-bloom-filter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mikaylathompson/rust-bloom-filter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mikaylathompson/rust-bloom-filter" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mikaylathompson/rust-bloom-filter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mikaylathompson/rust-bloom-filter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b8de00eff4227a3988ec52e51e3a031716523da7
[INFO] sha for GitHub repo mikaylathompson/rust-bloom-filter: b8de00eff4227a3988ec52e51e3a031716523da7
[INFO] validating manifest of mikaylathompson/rust-bloom-filter 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 mikaylathompson/rust-bloom-filter 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 mikaylathompson/rust-bloom-filter
[INFO] finished frobbing mikaylathompson/rust-bloom-filter
[INFO] frobbed toml for mikaylathompson/rust-bloom-filter written to work/ex/beta-1.38-1/sources/1.37.0/gh/mikaylathompson/rust-bloom-filter/Cargo.toml
[INFO] started frobbing mikaylathompson/rust-bloom-filter
[INFO] finished frobbing mikaylathompson/rust-bloom-filter
[INFO] frobbed toml for mikaylathompson/rust-bloom-filter written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mikaylathompson/rust-bloom-filter/Cargo.toml
[INFO] crate mikaylathompson/rust-bloom-filter 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 mikaylathompson/rust-bloom-filter 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mikaylathompson/rust-bloom-filter:/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] d35b5e821f78dfafe8c4c862f17f53b7269f9c1aa75d9334162fbd9a40a8ae27
[INFO] running `"docker" "start" "-a" "d35b5e821f78dfafe8c4c862f17f53b7269f9c1aa75d9334162fbd9a40a8ae27"`
[INFO] [stderr]    Compiling bloom-filter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "d35b5e821f78dfafe8c4c862f17f53b7269f9c1aa75d9334162fbd9a40a8ae27"`
[INFO] running `"docker" "rm" "-f" "d35b5e821f78dfafe8c4c862f17f53b7269f9c1aa75d9334162fbd9a40a8ae27"`
[INFO] [stdout] d35b5e821f78dfafe8c4c862f17f53b7269f9c1aa75d9334162fbd9a40a8ae27
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mikaylathompson/rust-bloom-filter:/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] d54499d65362c26a81e47fde333585a32127c2275dada4f1defb20026c224da9
[INFO] running `"docker" "start" "-a" "d54499d65362c26a81e47fde333585a32127c2275dada4f1defb20026c224da9"`
[INFO] [stderr]    Compiling bloom-filter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/main.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let x = BloomFilter::new();
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `twowords`
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let twowords = oneword.add("world".to_string());
[INFO] [stderr]    |         ^^^^^^^^ help: consider prefixing with an underscore: `_twowords`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "d54499d65362c26a81e47fde333585a32127c2275dada4f1defb20026c224da9"`
[INFO] running `"docker" "rm" "-f" "d54499d65362c26a81e47fde333585a32127c2275dada4f1defb20026c224da9"`
[INFO] [stdout] d54499d65362c26a81e47fde333585a32127c2275dada4f1defb20026c224da9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mikaylathompson/rust-bloom-filter:/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] 5fb8a95cd32e7e7f5808eec5514afb9448d360752097849b9bd0ac6caf22e1eb
[INFO] running `"docker" "start" "-a" "5fb8a95cd32e7e7f5808eec5514afb9448d360752097849b9bd0ac6caf22e1eb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bloom_filter-36175cf1e9a2c555
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_fn_runs ... ok
[INFO] [stdout] test not_inserted_words_are_rarely_found ... ok
[INFO] [stdout] test instantiate_bloom_filter ... ok
[INFO] [stdout] test inserted_words_are_found ... ok
[INFO] [stdout] test add_fn_runs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5fb8a95cd32e7e7f5808eec5514afb9448d360752097849b9bd0ac6caf22e1eb"`
[INFO] running `"docker" "rm" "-f" "5fb8a95cd32e7e7f5808eec5514afb9448d360752097849b9bd0ac6caf22e1eb"`
[INFO] [stdout] 5fb8a95cd32e7e7f5808eec5514afb9448d360752097849b9bd0ac6caf22e1eb