[INFO] crate disjoint-sets 0.4.2 is already in cache
[INFO] extracting crate disjoint-sets 0.4.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/disjoint-sets/0.4.2
[INFO] extracting crate disjoint-sets 0.4.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/disjoint-sets/0.4.2
[INFO] validating manifest of disjoint-sets-0.4.2 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 disjoint-sets-0.4.2 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 disjoint-sets-0.4.2
[INFO] finished frobbing disjoint-sets-0.4.2
[INFO] frobbed toml for disjoint-sets-0.4.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/disjoint-sets/0.4.2/Cargo.toml
[INFO] started frobbing disjoint-sets-0.4.2
[INFO] finished frobbing disjoint-sets-0.4.2
[INFO] frobbed toml for disjoint-sets-0.4.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/disjoint-sets/0.4.2/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] [stderr]     Blocking waiting for file lock on package cache
[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] testing disjoint-sets-0.4.2 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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/disjoint-sets/0.4.2:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 86214073987a202617d800f230789ffecc9e5ba5fe13fb0bd1d71af5ad20cb09
[INFO] running `"docker" "start" "-a" "86214073987a202617d800f230789ffecc9e5ba5fe13fb0bd1d71af5ad20cb09"`
[INFO] [stderr]    Compiling disjoint-sets v0.4.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "86214073987a202617d800f230789ffecc9e5ba5fe13fb0bd1d71af5ad20cb09"`
[INFO] running `"docker" "rm" "-f" "86214073987a202617d800f230789ffecc9e5ba5fe13fb0bd1d71af5ad20cb09"`
[INFO] [stdout] 86214073987a202617d800f230789ffecc9e5ba5fe13fb0bd1d71af5ad20cb09
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/disjoint-sets/0.4.2:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ca8ea60d787811306e4bf24f052e589eb98d4c1f04b49889c40582177ab30356
[INFO] running `"docker" "start" "-a" "ca8ea60d787811306e4bf24f052e589eb98d4c1f04b49889c40582177ab30356"`
[INFO] [stderr]    Compiling disjoint-sets v0.4.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `"docker" "inspect" "ca8ea60d787811306e4bf24f052e589eb98d4c1f04b49889c40582177ab30356"`
[INFO] running `"docker" "rm" "-f" "ca8ea60d787811306e4bf24f052e589eb98d4c1f04b49889c40582177ab30356"`
[INFO] [stdout] ca8ea60d787811306e4bf24f052e589eb98d4c1f04b49889c40582177ab30356
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/disjoint-sets/0.4.2:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] cdbf160bd6d1f65ec9725d4bf901439b3aa940f6c48de74be9142332e596efbf
[INFO] running `"docker" "start" "-a" "cdbf160bd6d1f65ec9725d4bf901439b3aa940f6c48de74be9142332e596efbf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/disjoint_sets-cf2683b8635bd313
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test async::tests::unions ... ok
[INFO] [stdout] test async::tests::union ... ok
[INFO] [stdout] test async::tests::to_vec ... ok
[INFO] [stdout] test tree::tests::unify_flat ... ok
[INFO] [stdout] test async::tests::len ... ok
[INFO] [stdout] test tree::tests::unify_deeper ... ok
[INFO] [stdout] test array::tests::unions ... ok
[INFO] [stdout] test async::tests::changed ... ok
[INFO] [stdout] test tree::tests::union ... ok
[INFO] [stdout] test tree::tests::unify_vars ... ok
[INFO] [stdout] test tree::tests::unify_symbols ... ok
[INFO] [stdout] test array::tests::len ... ok
[INFO] [stdout] test array::tests::union ... ok
[INFO] [stdout] test tree::tests::unions ... ok
[INFO] [stderr]    Doc-tests disjoint-sets
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs -  (line 27) ... ok
[INFO] [stdout] test src/lib.rs -  (line 37) ... ok
[INFO] [stdout] test src/tree.rs - tree::UnionFindNode (line 25) ... 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" "cdbf160bd6d1f65ec9725d4bf901439b3aa940f6c48de74be9142332e596efbf"`
[INFO] running `"docker" "rm" "-f" "cdbf160bd6d1f65ec9725d4bf901439b3aa940f6c48de74be9142332e596efbf"`
[INFO] [stdout] cdbf160bd6d1f65ec9725d4bf901439b3aa940f6c48de74be9142332e596efbf