[INFO] updating cached repository jflc/rug
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jflc/rug
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jflc/rug" "work/ex/beta-1.37-6/sources/1.36.0/gh/jflc/rug"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/jflc/rug'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jflc/rug" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jflc/rug"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jflc/rug'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 44d17c7d1503f891365a04a74ccbdb2fd9dcc200
[INFO] sha for GitHub repo jflc/rug: 44d17c7d1503f891365a04a74ccbdb2fd9dcc200
[INFO] validating manifest of jflc/rug 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 jflc/rug 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 jflc/rug
[INFO] finished frobbing jflc/rug
[INFO] frobbed toml for jflc/rug written to work/ex/beta-1.37-6/sources/1.36.0/gh/jflc/rug/Cargo.toml
[INFO] started frobbing jflc/rug
[INFO] finished frobbing jflc/rug
[INFO] frobbed toml for jflc/rug written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jflc/rug/Cargo.toml
[INFO] crate jflc/rug 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing jflc/rug against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/jflc/rug:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 1fcbf6b1c5b11dabb24198e5bde29217dd5b4fe3668a97c6178ab7ef48f28be8
[INFO] running `"docker" "start" "-a" "1fcbf6b1c5b11dabb24198e5bde29217dd5b4fe3668a97c6178ab7ef48f28be8"`
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling rug v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.42s
[INFO] running `"docker" "inspect" "1fcbf6b1c5b11dabb24198e5bde29217dd5b4fe3668a97c6178ab7ef48f28be8"`
[INFO] running `"docker" "rm" "-f" "1fcbf6b1c5b11dabb24198e5bde29217dd5b4fe3668a97c6178ab7ef48f28be8"`
[INFO] [stdout] 1fcbf6b1c5b11dabb24198e5bde29217dd5b4fe3668a97c6178ab7ef48f28be8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/jflc/rug:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 01a762944bcf22b850a791cd3b78925279fa8aad010d9aa731c283cc5ac7105c
[INFO] running `"docker" "start" "-a" "01a762944bcf22b850a791cd3b78925279fa8aad010d9aa731c283cc5ac7105c"`
[INFO] [stderr]    Compiling rug v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.90s
[INFO] running `"docker" "inspect" "01a762944bcf22b850a791cd3b78925279fa8aad010d9aa731c283cc5ac7105c"`
[INFO] running `"docker" "rm" "-f" "01a762944bcf22b850a791cd3b78925279fa8aad010d9aa731c283cc5ac7105c"`
[INFO] [stdout] 01a762944bcf22b850a791cd3b78925279fa8aad010d9aa731c283cc5ac7105c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/jflc/rug:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 975dd3bf17634eed17e4fef446e8641a06ce71ee70bd15c1c8930ca48e71554b
[INFO] running `"docker" "start" "-a" "975dd3bf17634eed17e4fef446e8641a06ce71ee70bd15c1c8930ca48e71554b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rug-eb22428e8295361f
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test generator::aux_generator::tests::test_non_repeated_values ... ok
[INFO] [stdout] test generator::range_generator::tests::test_size ... ok
[INFO] [stdout] test generator::choose_generator::tests::test_size ... ok
[INFO] [stdout] test generator::range_generator::tests::test_non_repeated_values ... ok
[INFO] [stdout] test generator::shuffle_generator::tests::test_non_repeated_values ... ok
[INFO] [stdout] test generator::shuffle_generator::tests::test_size ... ok
[INFO] [stdout] test generator::swap_generator::tests::test_size ... ok
[INFO] [stdout] test generator::swap_generator::tests::test_non_repeated_values ... ok
[INFO] [stdout] test generator::aux_generator::tests::test_size ... ok
[INFO] [stdout] test generator::choose_generator::tests::test_non_repeated_values ... ok
[INFO] [stdout] test generator::tests::test_validate_num_bigger_than_max_min_range ... ok
[INFO] [stdout] test generator::tests::test_validate_min_bigger_than_max ... ok
[INFO] [stdout] test generator::tests::test_validate_valid_config ... ok
[INFO] [stdout] test generator::tests::test_validate_all_equal ... ok
[INFO] [stdout] test generator::swap_generator::tests::test_values_probability ... ok
[INFO] [stdout] test generator::range_generator::tests::test_values_probability ... ok
[INFO] [stdout] test generator::shuffle_generator::tests::test_values_probability ... ok
[INFO] [stdout] test generator::aux_generator::tests::test_values_probability ... ok
[INFO] [stdout] test generator::choose_generator::tests::test_values_probability ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rug-02c61922b2901a06
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests rug
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "975dd3bf17634eed17e4fef446e8641a06ce71ee70bd15c1c8930ca48e71554b"`
[INFO] running `"docker" "rm" "-f" "975dd3bf17634eed17e4fef446e8641a06ce71ee70bd15c1c8930ca48e71554b"`
[INFO] [stdout] 975dd3bf17634eed17e4fef446e8641a06ce71ee70bd15c1c8930ca48e71554b