[INFO] crate blossom 0.3.3 is already in cache
[INFO] extracting crate blossom 0.3.3 into work/ex/beta-1.37-6/sources/1.36.0/reg/blossom/0.3.3
[INFO] extracting crate blossom 0.3.3 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/blossom/0.3.3
[INFO] validating manifest of blossom-0.3.3 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 blossom-0.3.3 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 blossom-0.3.3
[INFO] finished frobbing blossom-0.3.3
[INFO] frobbed toml for blossom-0.3.3 written to work/ex/beta-1.37-6/sources/1.36.0/reg/blossom/0.3.3/Cargo.toml
[INFO] started frobbing blossom-0.3.3
[INFO] finished frobbing blossom-0.3.3
[INFO] frobbed toml for blossom-0.3.3 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/blossom/0.3.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing blossom-0.3.3 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/blossom/0.3.3:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 6ec9efb00ddc00e34aca09adcea202ee72efb5df2ded4f3ba6522cedd51ef167
[INFO] running `"docker" "start" "-a" "6ec9efb00ddc00e34aca09adcea202ee72efb5df2ded4f3ba6522cedd51ef167"`
[INFO] [stderr]    Compiling blossom v0.3.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.84s
[INFO] running `"docker" "inspect" "6ec9efb00ddc00e34aca09adcea202ee72efb5df2ded4f3ba6522cedd51ef167"`
[INFO] running `"docker" "rm" "-f" "6ec9efb00ddc00e34aca09adcea202ee72efb5df2ded4f3ba6522cedd51ef167"`
[INFO] [stdout] 6ec9efb00ddc00e34aca09adcea202ee72efb5df2ded4f3ba6522cedd51ef167
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/blossom/0.3.3:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] de8c2991bbbfd585a15a1fc8edb02ddd646bffc452a0d0172bc8dc09246e9163
[INFO] running `"docker" "start" "-a" "de8c2991bbbfd585a15a1fc8edb02ddd646bffc452a0d0172bc8dc09246e9163"`
[INFO] [stderr]    Compiling blossom v0.3.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.69s
[INFO] running `"docker" "inspect" "de8c2991bbbfd585a15a1fc8edb02ddd646bffc452a0d0172bc8dc09246e9163"`
[INFO] running `"docker" "rm" "-f" "de8c2991bbbfd585a15a1fc8edb02ddd646bffc452a0d0172bc8dc09246e9163"`
[INFO] [stdout] de8c2991bbbfd585a15a1fc8edb02ddd646bffc452a0d0172bc8dc09246e9163
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/blossom/0.3.3:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] c67d2e159c038535fcf69af227858cb4d8d6f310d4c746a7d4fc5463e1ea9f9d
[INFO] running `"docker" "start" "-a" "c67d2e159c038535fcf69af227858cb4d8d6f310d4c746a7d4fc5463e1ea9f9d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/blossom-b67dc790a5e644c2
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test graph::contract ... ok
[INFO] [stdout] test graph::find_augmenting_path_maybe_blossom2 ... ok
[INFO] [stdout] test graph::find_augmenting_path_one ... ok
[INFO] [stdout] test graph::find_augmenting_path_two ... ok
[INFO] [stdout] test graph::contract_take_edge_from_leaf ... ok
[INFO] [stdout] test graph::find_augmenting_path_maybe_blossom1 ... ok
[INFO] [stdout] test graph::find_match_four ... ok
[INFO] [stdout] test graph::find_match_one ... ok
[INFO] [stdout] test graph::lift_right ... ok
[INFO] [stdout] test graph::lift_left ... ok
[INFO] [stdout] test graph::lift_order ... ok
[INFO] [stdout] test graph::find_match_two ... ok
[INFO] [stdout] test weighted::find_match_dense ... ok
[INFO] [stdout] test graph::lift_root ... ok
[INFO] [stdout] test weighted::find_match_sparse ... ok
[INFO] [stdout] test graph::bench::test_random_10 ... ok
[INFO] [stdout] test graph::bench::test_random_12 ... ok
[INFO] [stdout] test graph::bench::test_random_100 ... ok
[INFO] [stdout] test graph::bench::test_random_1000 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests blossom
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/graph.rs - graph::AnnotatedGraph<Annotation>::new (line 38) ... ok
[INFO] [stdout] test src/graph.rs - graph::AnnotatedGraph<Annotation>::maximum_matching (line 232) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c67d2e159c038535fcf69af227858cb4d8d6f310d4c746a7d4fc5463e1ea9f9d"`
[INFO] running `"docker" "rm" "-f" "c67d2e159c038535fcf69af227858cb4d8d6f310d4c746a7d4fc5463e1ea9f9d"`
[INFO] [stdout] c67d2e159c038535fcf69af227858cb4d8d6f310d4c746a7d4fc5463e1ea9f9d