[INFO] crate fera-unionfind 0.1.0 is already in cache
[INFO] extracting crate fera-unionfind 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/fera-unionfind/0.1.0
[INFO] extracting crate fera-unionfind 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fera-unionfind/0.1.0
[INFO] validating manifest of fera-unionfind-0.1.0 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 fera-unionfind-0.1.0 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 fera-unionfind-0.1.0
[INFO] finished frobbing fera-unionfind-0.1.0
[INFO] frobbed toml for fera-unionfind-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/fera-unionfind/0.1.0/Cargo.toml
[INFO] started frobbing fera-unionfind-0.1.0
[INFO] finished frobbing fera-unionfind-0.1.0
[INFO] frobbed toml for fera-unionfind-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fera-unionfind/0.1.0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing fera-unionfind-0.1.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fera-unionfind/0.1.0:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 13486c8d269d269c4256079586247c2db6e8ed9a584ad030d024da5e189e80a6
[INFO] running `"docker" "start" "-a" "13486c8d269d269c4256079586247c2db6e8ed9a584ad030d024da5e189e80a6"`
[INFO] [stderr]    Compiling fera-unionfind v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "13486c8d269d269c4256079586247c2db6e8ed9a584ad030d024da5e189e80a6"`
[INFO] running `"docker" "rm" "-f" "13486c8d269d269c4256079586247c2db6e8ed9a584ad030d024da5e189e80a6"`
[INFO] [stdout] 13486c8d269d269c4256079586247c2db6e8ed9a584ad030d024da5e189e80a6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fera-unionfind/0.1.0:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2fe14e990a65ea1810fe868882720340c38716495bcde6390bd9c3d75c3848fa
[INFO] running `"docker" "start" "-a" "2fe14e990a65ea1810fe868882720340c38716495bcde6390bd9c3d75c3848fa"`
[INFO] [stderr]    Compiling pulldown-cmark v0.0.11
[INFO] [stderr]    Compiling bitflags v0.8.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling version-sync v0.4.0
[INFO] [stderr]    Compiling fera-unionfind v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.20s
[INFO] running `"docker" "inspect" "2fe14e990a65ea1810fe868882720340c38716495bcde6390bd9c3d75c3848fa"`
[INFO] running `"docker" "rm" "-f" "2fe14e990a65ea1810fe868882720340c38716495bcde6390bd9c3d75c3848fa"`
[INFO] [stdout] 2fe14e990a65ea1810fe868882720340c38716495bcde6390bd9c3d75c3848fa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fera-unionfind/0.1.0:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 1b86bcb236d8560e57067046bb2dfbef999118969074467f50cb70fe504108a2
[INFO] running `"docker" "start" "-a" "1b86bcb236d8560e57067046bb2dfbef999118969074467f50cb70fe504108a2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fera_unionfind-19ed4f974f644d7a
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/version_numbers-6cbb07fd156e4492
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::unionfind1 ... ok
[INFO] [stdout] test tests::unionfind2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test readme_deps ... ok
[INFO] [stdout] test html_root_url ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fera-unionfind
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs -  (line 72) ... ok
[INFO] [stdout] test src/lib.rs -  (line 21) ... ok
[INFO] [stdout] test src/lib.rs -  (line 44) ... 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" "1b86bcb236d8560e57067046bb2dfbef999118969074467f50cb70fe504108a2"`
[INFO] running `"docker" "rm" "-f" "1b86bcb236d8560e57067046bb2dfbef999118969074467f50cb70fe504108a2"`
[INFO] [stdout] 1b86bcb236d8560e57067046bb2dfbef999118969074467f50cb70fe504108a2