[INFO] fetching crate polonius-engine 0.9.0...
[INFO] extracting crate polonius-engine 0.9.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/polonius-engine/0.9.0
[INFO] extracting crate polonius-engine 0.9.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/polonius-engine/0.9.0
[INFO] validating manifest of polonius-engine-0.9.0 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 polonius-engine-0.9.0 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 polonius-engine-0.9.0
[INFO] finished frobbing polonius-engine-0.9.0
[INFO] frobbed toml for polonius-engine-0.9.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/polonius-engine/0.9.0/Cargo.toml
[INFO] started frobbing polonius-engine-0.9.0
[INFO] finished frobbing polonius-engine-0.9.0
[INFO] frobbed toml for polonius-engine-0.9.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/polonius-engine/0.9.0/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing polonius-engine-0.9.0 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-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/polonius-engine/0.9.0:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 4282a4db23aa11d21c9c90bd52d9c1554ef1ef1634b94d622387a4eb0914a214
[INFO] running `"docker" "start" "-a" "4282a4db23aa11d21c9c90bd52d9c1554ef1ef1634b94d622387a4eb0914a214"`
[INFO] [stderr]    Compiling datafrog v2.0.1
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]    Compiling polonius-engine v0.9.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `"docker" "inspect" "4282a4db23aa11d21c9c90bd52d9c1554ef1ef1634b94d622387a4eb0914a214"`
[INFO] running `"docker" "rm" "-f" "4282a4db23aa11d21c9c90bd52d9c1554ef1ef1634b94d622387a4eb0914a214"`
[INFO] [stdout] 4282a4db23aa11d21c9c90bd52d9c1554ef1ef1634b94d622387a4eb0914a214
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/polonius-engine/0.9.0:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3b34b48903a09ea50201514a15b4d58991a74f387d04478f0ddd511226d65fa7
[INFO] running `"docker" "start" "-a" "3b34b48903a09ea50201514a15b4d58991a74f387d04478f0ddd511226d65fa7"`
[INFO] [stderr]    Compiling polonius-engine v0.9.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `"docker" "inspect" "3b34b48903a09ea50201514a15b4d58991a74f387d04478f0ddd511226d65fa7"`
[INFO] running `"docker" "rm" "-f" "3b34b48903a09ea50201514a15b4d58991a74f387d04478f0ddd511226d65fa7"`
[INFO] [stdout] 3b34b48903a09ea50201514a15b4d58991a74f387d04478f0ddd511226d65fa7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/polonius-engine/0.9.0:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 33513c5409f1e17d884b923f139b833085c6f888f52a90feb124a689db7a72a6
[INFO] running `"docker" "start" "-a" "33513c5409f1e17d884b923f139b833085c6f888f52a90feb124a689db7a72a6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/polonius_engine-b26a5ec02ee55748
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test output::tests::test_compare_errors ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests polonius-engine
[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" "33513c5409f1e17d884b923f139b833085c6f888f52a90feb124a689db7a72a6"`
[INFO] running `"docker" "rm" "-f" "33513c5409f1e17d884b923f139b833085c6f888f52a90feb124a689db7a72a6"`
[INFO] [stdout] 33513c5409f1e17d884b923f139b833085c6f888f52a90feb124a689db7a72a6