[INFO] crate disjoint-sets 0.4.2 is already in cache
[INFO] extracting crate disjoint-sets 0.4.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/disjoint-sets/0.4.2
[INFO] extracting crate disjoint-sets 0.4.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/disjoint-sets/0.4.2
[INFO] validating manifest of disjoint-sets-0.4.2 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 disjoint-sets-0.4.2 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 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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/disjoint-sets/0.4.2/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 disjoint-sets-0.4.2 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/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] e7b4fe0ba7c9400a2d7da7a4f8e697246ebd583f83a750f007f797107edbd717
[INFO] running `"docker" "start" "-a" "e7b4fe0ba7c9400a2d7da7a4f8e697246ebd583f83a750f007f797107edbd717"`
[INFO] [stderr]    Compiling disjoint-sets v0.4.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "e7b4fe0ba7c9400a2d7da7a4f8e697246ebd583f83a750f007f797107edbd717"`
[INFO] running `"docker" "rm" "-f" "e7b4fe0ba7c9400a2d7da7a4f8e697246ebd583f83a750f007f797107edbd717"`
[INFO] [stdout] e7b4fe0ba7c9400a2d7da7a4f8e697246ebd583f83a750f007f797107edbd717
[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/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b3c4f64214c5f322d4ede3805301bfbbb724c7804342b43b88fb7ab345837a6d
[INFO] running `"docker" "start" "-a" "b3c4f64214c5f322d4ede3805301bfbbb724c7804342b43b88fb7ab345837a6d"`
[INFO] [stderr]    Compiling disjoint-sets v0.4.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `"docker" "inspect" "b3c4f64214c5f322d4ede3805301bfbbb724c7804342b43b88fb7ab345837a6d"`
[INFO] running `"docker" "rm" "-f" "b3c4f64214c5f322d4ede3805301bfbbb724c7804342b43b88fb7ab345837a6d"`
[INFO] [stdout] b3c4f64214c5f322d4ede3805301bfbbb724c7804342b43b88fb7ab345837a6d
[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/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] c48ca52d195ba368b134ca67245839723967aa368263b8696c0921acff86fa77
[INFO] running `"docker" "start" "-a" "c48ca52d195ba368b134ca67245839723967aa368263b8696c0921acff86fa77"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/disjoint_sets-4c00961acc835511
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test array::tests::len ... ok
[INFO] [stdout] test array::tests::unions ... ok
[INFO] [stdout] test tree::tests::unify_deeper ... ok
[INFO] [stdout] test tree::tests::unify_flat ... ok
[INFO] [stdout] test async::tests::unions ... ok
[INFO] [stdout] test async::tests::union ... ok
[INFO] [stdout] test async::tests::changed ... ok
[INFO] [stdout] test tree::tests::unify_symbols ... ok
[INFO] [stdout] test tree::tests::unify_vars ... ok
[INFO] [stdout] test tree::tests::union ... ok
[INFO] [stdout] test tree::tests::unions ... ok
[INFO] [stdout] test array::tests::union ... ok
[INFO] [stdout] test async::tests::to_vec ... ok
[INFO] [stdout] test async::tests::len ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests disjoint-sets
[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" "c48ca52d195ba368b134ca67245839723967aa368263b8696c0921acff86fa77"`
[INFO] running `"docker" "rm" "-f" "c48ca52d195ba368b134ca67245839723967aa368263b8696c0921acff86fa77"`
[INFO] [stdout] c48ca52d195ba368b134ca67245839723967aa368263b8696c0921acff86fa77