[INFO] updating cached repository jasongraalum/generic_tree
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jasongraalum/generic_tree
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jasongraalum/generic_tree" "work/ex/beta-1.38-1/sources/1.37.0/gh/jasongraalum/generic_tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jasongraalum/generic_tree'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jasongraalum/generic_tree" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jasongraalum/generic_tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jasongraalum/generic_tree'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 413fcd4e5415ce33fb32512f92a9f8e017f3f9f5
[INFO] sha for GitHub repo jasongraalum/generic_tree: 413fcd4e5415ce33fb32512f92a9f8e017f3f9f5
[INFO] validating manifest of jasongraalum/generic_tree 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 jasongraalum/generic_tree 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 jasongraalum/generic_tree
[INFO] finished frobbing jasongraalum/generic_tree
[INFO] frobbed toml for jasongraalum/generic_tree written to work/ex/beta-1.38-1/sources/1.37.0/gh/jasongraalum/generic_tree/Cargo.toml
[INFO] started frobbing jasongraalum/generic_tree
[INFO] finished frobbing jasongraalum/generic_tree
[INFO] frobbed toml for jasongraalum/generic_tree written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jasongraalum/generic_tree/Cargo.toml
[INFO] crate jasongraalum/generic_tree 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 jasongraalum/generic_tree against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jasongraalum/generic_tree:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 6aa877dc26fe2109f24b133adcb2d4e89b3bfd53f0e053194030f69e234ab333
[INFO] running `"docker" "start" "-a" "6aa877dc26fe2109f24b133adcb2d4e89b3bfd53f0e053194030f69e234ab333"`
[INFO] [stderr]    Compiling generic_tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "6aa877dc26fe2109f24b133adcb2d4e89b3bfd53f0e053194030f69e234ab333"`
[INFO] running `"docker" "rm" "-f" "6aa877dc26fe2109f24b133adcb2d4e89b3bfd53f0e053194030f69e234ab333"`
[INFO] [stdout] 6aa877dc26fe2109f24b133adcb2d4e89b3bfd53f0e053194030f69e234ab333
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jasongraalum/generic_tree:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7e29debdeb5161e5d3e8cfcff0e467506a7ad7d44fa95ae0d395009a3fc7fe4b
[INFO] running `"docker" "start" "-a" "7e29debdeb5161e5d3e8cfcff0e467506a7ad7d44fa95ae0d395009a3fc7fe4b"`
[INFO] [stderr]    Compiling generic_tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `"docker" "inspect" "7e29debdeb5161e5d3e8cfcff0e467506a7ad7d44fa95ae0d395009a3fc7fe4b"`
[INFO] running `"docker" "rm" "-f" "7e29debdeb5161e5d3e8cfcff0e467506a7ad7d44fa95ae0d395009a3fc7fe4b"`
[INFO] [stdout] 7e29debdeb5161e5d3e8cfcff0e467506a7ad7d44fa95ae0d395009a3fc7fe4b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jasongraalum/generic_tree:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] b885c8b5d90209d1eea9719b4eddd5443dc30656af49cfbd31eebc2865cb9330
[INFO] running `"docker" "start" "-a" "b885c8b5d90209d1eea9719b4eddd5443dc30656af49cfbd31eebc2865cb9330"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/generic_tree-7fa4873deb468f77
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test add_node ... ok
[INFO] [stdout] test in_order_into_iterator_test ... ok
[INFO] [stdout] test find_test ... ok
[INFO] [stdout] test in_order_iterator_test ... ok
[INFO] [stdout] test contains_test ... ok
[INFO] [stdout] test max_depth_test ... ok
[INFO] [stdout] test swap_left_test ... ok
[INFO] [stdout] test min_value_test ... ok
[INFO] [stdout] test pre_iterator_test ... ok
[INFO] [stdout] test post_iterator_test ... ok
[INFO] [stdout] test swap_right_test ... ok
[INFO] [stdout] test size_test ... ok
[INFO] [stdout] test min_depth_test ... ok
[INFO] [stdout] test merge_test ... ok
[INFO] [stdout] test take_left_test ... ok
[INFO] [stdout] test take_right_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests generic_tree
[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" "b885c8b5d90209d1eea9719b4eddd5443dc30656af49cfbd31eebc2865cb9330"`
[INFO] running `"docker" "rm" "-f" "b885c8b5d90209d1eea9719b4eddd5443dc30656af49cfbd31eebc2865cb9330"`
[INFO] [stdout] b885c8b5d90209d1eea9719b4eddd5443dc30656af49cfbd31eebc2865cb9330