[INFO] updating cached repository chrissharp80/union_find
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/chrissharp80/union_find
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/chrissharp80/union_find" "work/ex/beta-1.38-1/sources/1.37.0/gh/chrissharp80/union_find"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/chrissharp80/union_find'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/chrissharp80/union_find" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chrissharp80/union_find"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chrissharp80/union_find'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] acde0c8babc0ba9c94886de21d973840dff56829
[INFO] sha for GitHub repo chrissharp80/union_find: acde0c8babc0ba9c94886de21d973840dff56829
[INFO] validating manifest of chrissharp80/union_find 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 chrissharp80/union_find 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 chrissharp80/union_find
[INFO] finished frobbing chrissharp80/union_find
[INFO] frobbed toml for chrissharp80/union_find written to work/ex/beta-1.38-1/sources/1.37.0/gh/chrissharp80/union_find/Cargo.toml
[INFO] started frobbing chrissharp80/union_find
[INFO] finished frobbing chrissharp80/union_find
[INFO] frobbed toml for chrissharp80/union_find written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chrissharp80/union_find/Cargo.toml
[INFO] crate chrissharp80/union_find 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 chrissharp80/union_find 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/gh/chrissharp80/union_find:/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] e1a03caf3229c1555a5696b92c4d5be9d51475ebe606a04a3f49b1cb96307ad3
[INFO] running `"docker" "start" "-a" "e1a03caf3229c1555a5696b92c4d5be9d51475ebe606a04a3f49b1cb96307ad3"`
[INFO] [stderr]    Compiling union_find v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "e1a03caf3229c1555a5696b92c4d5be9d51475ebe606a04a3f49b1cb96307ad3"`
[INFO] running `"docker" "rm" "-f" "e1a03caf3229c1555a5696b92c4d5be9d51475ebe606a04a3f49b1cb96307ad3"`
[INFO] [stdout] e1a03caf3229c1555a5696b92c4d5be9d51475ebe606a04a3f49b1cb96307ad3
[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/gh/chrissharp80/union_find:/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] c59a1ad54bad30bb6d78316ac177617ce05e244e251b819f37f1bec93c8ade89
[INFO] running `"docker" "start" "-a" "c59a1ad54bad30bb6d78316ac177617ce05e244e251b819f37f1bec93c8ade89"`
[INFO] [stderr]    Compiling union_find v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "c59a1ad54bad30bb6d78316ac177617ce05e244e251b819f37f1bec93c8ade89"`
[INFO] running `"docker" "rm" "-f" "c59a1ad54bad30bb6d78316ac177617ce05e244e251b819f37f1bec93c8ade89"`
[INFO] [stdout] c59a1ad54bad30bb6d78316ac177617ce05e244e251b819f37f1bec93c8ade89
[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/gh/chrissharp80/union_find:/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] 51aaf709c79f6d88a3aaeb8021a5b27b22b1aaaae45c0ab2d9b7a78ed63bbaea
[INFO] running `"docker" "start" "-a" "51aaf709c79f6d88a3aaeb8021a5b27b22b1aaaae45c0ab2d9b7a78ed63bbaea"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/union_find-5b32e557bbe88b64
[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" "51aaf709c79f6d88a3aaeb8021a5b27b22b1aaaae45c0ab2d9b7a78ed63bbaea"`
[INFO] running `"docker" "rm" "-f" "51aaf709c79f6d88a3aaeb8021a5b27b22b1aaaae45c0ab2d9b7a78ed63bbaea"`
[INFO] [stdout] 51aaf709c79f6d88a3aaeb8021a5b27b22b1aaaae45c0ab2d9b7a78ed63bbaea