[INFO] crate kodama 0.2.2 is already in cache
[INFO] extracting crate kodama 0.2.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/kodama/0.2.2
[INFO] extracting crate kodama 0.2.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/kodama/0.2.2
[INFO] validating manifest of kodama-0.2.2 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 kodama-0.2.2 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 kodama-0.2.2
[INFO] finished frobbing kodama-0.2.2
[INFO] frobbed toml for kodama-0.2.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/kodama/0.2.2/Cargo.toml
[INFO] started frobbing kodama-0.2.2
[INFO] finished frobbing kodama-0.2.2
[INFO] frobbed toml for kodama-0.2.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/kodama/0.2.2/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 kodama-0.2.2 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/kodama/0.2.2:/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] 46bddde5997ca437e29149a06d82bd245ddef04178db202d9baebd03b378d495
[INFO] running `"docker" "start" "-a" "46bddde5997ca437e29149a06d82bd245ddef04178db202d9baebd03b378d495"`
[INFO] [stderr]    Compiling kodama v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:288:32
[INFO] [stderr]     |
[INFO] [stderr] 288 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `"docker" "inspect" "46bddde5997ca437e29149a06d82bd245ddef04178db202d9baebd03b378d495"`
[INFO] running `"docker" "rm" "-f" "46bddde5997ca437e29149a06d82bd245ddef04178db202d9baebd03b378d495"`
[INFO] [stdout] 46bddde5997ca437e29149a06d82bd245ddef04178db202d9baebd03b378d495
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/kodama/0.2.2:/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] ef8ecb3c33f6b07d82a25a72965557a96950ec7491f9ca2e8add56ee5969f4e8
[INFO] running `"docker" "start" "-a" "ef8ecb3c33f6b07d82a25a72965557a96950ec7491f9ca2e8add56ee5969f4e8"`
[INFO] [stderr]    Compiling quickcheck v0.7.2
[INFO] [stderr]    Compiling kodama v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test.rs:62:29
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn shrink(&self) -> Box<Iterator<Item=DistinctMatrix>> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=DistinctMatrix>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:288:32
[INFO] [stderr]     |
[INFO] [stderr] 288 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.65s
[INFO] running `"docker" "inspect" "ef8ecb3c33f6b07d82a25a72965557a96950ec7491f9ca2e8add56ee5969f4e8"`
[INFO] running `"docker" "rm" "-f" "ef8ecb3c33f6b07d82a25a72965557a96950ec7491f9ca2e8add56ee5969f4e8"`
[INFO] [stdout] ef8ecb3c33f6b07d82a25a72965557a96950ec7491f9ca2e8add56ee5969f4e8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/kodama/0.2.2:/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] 47a6dcee1b00265d1bce260e983c9ac6d7e2a9fdbda22ef62ce26a736eb444af
[INFO] running `"docker" "start" "-a" "47a6dcee1b00265d1bce260e983c9ac6d7e2a9fdbda22ef62ce26a736eb444af"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/kodama-14da0810f2a6f6e1
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test active::tests::contains ... ok
[INFO] [stdout] test active::tests::iter_range ... ok
[INFO] [stdout] test active::tests::iter ... ok
[INFO] [stdout] test generic::tests::prop_generic_average_nnchain ... ok
[INFO] [stdout] test generic::tests::prop_generic_average_primitive ... ok
[INFO] [stdout] test chain::tests::prop_nnchain_ward_primitive ... ok
[INFO] [stdout] test chain::tests::prop_nnchain_single_primitive ... ok
[INFO] [stdout] test chain::tests::prop_nnchain_average_primitive ... ok
[INFO] [stdout] test chain::tests::prop_nnchain_complete_primitive ... ok
[INFO] [stdout] test generic::tests::prop_generic_complete_nnchain ... ok
[INFO] [stdout] test chain::tests::prop_nnchain_weighted_primitive ... ok
[INFO] [stdout] test generic::tests::prop_generic_complete_primitive ... ok
[INFO] [stdout] test generic::tests::prop_generic_centroid_primitive ... ok
[INFO] [stdout] test primitive::tests::argmin_simple ... ok
[INFO] [stdout] test generic::tests::prop_generic_ward_nnchain ... ok
[INFO] [stdout] test generic::tests::prop_generic_single_nnchain ... ok
[INFO] [stdout] test primitive::tests::argmin_smallest ... ok
[INFO] [stdout] test primitive::tests::argmin_zero ... ok
[INFO] [stdout] test queue::tests::one ... ok
[INFO] [stdout] test queue::tests::empty ... ok
[INFO] [stdout] test queue::tests::prop_heap_invariant ... ok
[INFO] [stdout] test generic::tests::prop_generic_median_primitive ... ok
[INFO] [stdout] test generic::tests::prop_generic_weighted_nnchain ... ok
[INFO] [stdout] test queue::tests::prop_heapify_heap_invariant ... ok
[INFO] [stdout] test queue::tests::two ... ok
[INFO] [stdout] test generic::tests::prop_generic_single_primitive ... ok
[INFO] [stdout] test union::tests::find_with_unions ... ok
[INFO] [stdout] test union::tests::relabel ... ok
[INFO] [stdout] test union::tests::find_with_unions_all_at_once ... ok
[INFO] [stdout] test queue::tests::simple ... ok
[INFO] [stdout] test generic::tests::prop_generic_weighted_primitive ... ok
[INFO] [stdout] test generic::tests::prop_generic_ward_primitive ... ok
[INFO] [stdout] test union::tests::union_is_idempotent ... ok
[INFO] [stdout] test union::tests::trivial_find ... ok
[INFO] [stdout] test spanning::tests::prop_mst_primitive ... ok
[INFO] [stdout] test spanning::tests::prop_mst_generic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kodama
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs -  (line 37) ... ok
[INFO] [stdout] test src/lib.rs -  (line 81) ... ok
[INFO] [stdout] test src/lib.rs -  (line 138) ... 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" "47a6dcee1b00265d1bce260e983c9ac6d7e2a9fdbda22ef62ce26a736eb444af"`
[INFO] running `"docker" "rm" "-f" "47a6dcee1b00265d1bce260e983c9ac6d7e2a9fdbda22ef62ce26a736eb444af"`
[INFO] [stdout] 47a6dcee1b00265d1bce260e983c9ac6d7e2a9fdbda22ef62ce26a736eb444af