[INFO] crate unsafe_unions 0.0.2 is already in cache
[INFO] extracting crate unsafe_unions 0.0.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/unsafe_unions/0.0.2
[INFO] extracting crate unsafe_unions 0.0.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/unsafe_unions/0.0.2
[INFO] validating manifest of unsafe_unions-0.0.2 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 unsafe_unions-0.0.2 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 unsafe_unions-0.0.2
[INFO] finished frobbing unsafe_unions-0.0.2
[INFO] frobbed toml for unsafe_unions-0.0.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/unsafe_unions/0.0.2/Cargo.toml
[INFO] started frobbing unsafe_unions-0.0.2
[INFO] finished frobbing unsafe_unions-0.0.2
[INFO] frobbed toml for unsafe_unions-0.0.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/unsafe_unions/0.0.2/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 unsafe_unions-0.0.2 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/unsafe_unions/0.0.2:/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] d822d8d553c85f09ab1e498b33470c8975e678018311e84d61ab8a9ca484b057
[INFO] running `"docker" "start" "-a" "d822d8d553c85f09ab1e498b33470c8975e678018311e84d61ab8a9ca484b057"`
[INFO] [stderr]    Compiling unsafe_unions v0.0.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `"docker" "inspect" "d822d8d553c85f09ab1e498b33470c8975e678018311e84d61ab8a9ca484b057"`
[INFO] running `"docker" "rm" "-f" "d822d8d553c85f09ab1e498b33470c8975e678018311e84d61ab8a9ca484b057"`
[INFO] [stdout] d822d8d553c85f09ab1e498b33470c8975e678018311e84d61ab8a9ca484b057
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/unsafe_unions/0.0.2:/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] d62ce3a73c553694b6f2d6b3cd6c2703a2db3a38fdb3593f086bbc4009e2fe53
[INFO] running `"docker" "start" "-a" "d62ce3a73c553694b6f2d6b3cd6c2703a2db3a38fdb3593f086bbc4009e2fe53"`
[INFO] [stderr]    Compiling unsafe_unions v0.0.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "d62ce3a73c553694b6f2d6b3cd6c2703a2db3a38fdb3593f086bbc4009e2fe53"`
[INFO] running `"docker" "rm" "-f" "d62ce3a73c553694b6f2d6b3cd6c2703a2db3a38fdb3593f086bbc4009e2fe53"`
[INFO] [stdout] d62ce3a73c553694b6f2d6b3cd6c2703a2db3a38fdb3593f086bbc4009e2fe53
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/unsafe_unions/0.0.2:/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] aa0f194c44b2f634a190fd7765cbf26069ce3a9349c81eb39d56632624eb61be
[INFO] running `"docker" "start" "-a" "aa0f194c44b2f634a190fd7765cbf26069ce3a9349c81eb39d56632624eb61be"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/unsafe_unions-dc90807b1ad76ef3
[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] [stderr]    Doc-tests unsafe_unions
[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" "aa0f194c44b2f634a190fd7765cbf26069ce3a9349c81eb39d56632624eb61be"`
[INFO] running `"docker" "rm" "-f" "aa0f194c44b2f634a190fd7765cbf26069ce3a9349c81eb39d56632624eb61be"`
[INFO] [stdout] aa0f194c44b2f634a190fd7765cbf26069ce3a9349c81eb39d56632624eb61be