[INFO] crate polonius-engine 0.9.0 is already in cache
[INFO] extracting crate polonius-engine 0.9.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/polonius-engine/0.9.0
[INFO] extracting crate polonius-engine 0.9.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/polonius-engine/0.9.0
[INFO] validating manifest of polonius-engine-0.9.0 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 polonius-engine-0.9.0 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 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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/polonius-engine/0.9.0/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] testing polonius-engine-0.9.0 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] a9681bb38bc8dc90850b0fb4747a4e8bbfd91bae5ba00ecf4aa88703ed4e848a
[INFO] running `"docker" "start" "-a" "a9681bb38bc8dc90850b0fb4747a4e8bbfd91bae5ba00ecf4aa88703ed4e848a"`
[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 1.55s
[INFO] running `"docker" "inspect" "a9681bb38bc8dc90850b0fb4747a4e8bbfd91bae5ba00ecf4aa88703ed4e848a"`
[INFO] running `"docker" "rm" "-f" "a9681bb38bc8dc90850b0fb4747a4e8bbfd91bae5ba00ecf4aa88703ed4e848a"`
[INFO] [stdout] a9681bb38bc8dc90850b0fb4747a4e8bbfd91bae5ba00ecf4aa88703ed4e848a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e82e11a106289a437df952d963b48a32ed02bf4ca9be49bdae7e621eb048ae43
[INFO] running `"docker" "start" "-a" "e82e11a106289a437df952d963b48a32ed02bf4ca9be49bdae7e621eb048ae43"`
[INFO] [stderr]    Compiling polonius-engine v0.9.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `"docker" "inspect" "e82e11a106289a437df952d963b48a32ed02bf4ca9be49bdae7e621eb048ae43"`
[INFO] running `"docker" "rm" "-f" "e82e11a106289a437df952d963b48a32ed02bf4ca9be49bdae7e621eb048ae43"`
[INFO] [stdout] e82e11a106289a437df952d963b48a32ed02bf4ca9be49bdae7e621eb048ae43
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] d5c74b64fc2f9f8af0ca6ab2760c72492c78d5bf5dc9d40207d37980c9d4a30a
[INFO] running `"docker" "start" "-a" "d5c74b64fc2f9f8af0ca6ab2760c72492c78d5bf5dc9d40207d37980c9d4a30a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/polonius_engine-52835e2c8b095e48
[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" "d5c74b64fc2f9f8af0ca6ab2760c72492c78d5bf5dc9d40207d37980c9d4a30a"`
[INFO] running `"docker" "rm" "-f" "d5c74b64fc2f9f8af0ca6ab2760c72492c78d5bf5dc9d40207d37980c9d4a30a"`
[INFO] [stdout] d5c74b64fc2f9f8af0ca6ab2760c72492c78d5bf5dc9d40207d37980c9d4a30a