[INFO] crate prolog_parser 0.8.27 is already in cache
[INFO] extracting crate prolog_parser 0.8.27 into work/ex/beta-1.37-6/sources/1.36.0/reg/prolog_parser/0.8.27
[INFO] extracting crate prolog_parser 0.8.27 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/prolog_parser/0.8.27
[INFO] validating manifest of prolog_parser-0.8.27 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 prolog_parser-0.8.27 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 prolog_parser-0.8.27
[INFO] finished frobbing prolog_parser-0.8.27
[INFO] frobbed toml for prolog_parser-0.8.27 written to work/ex/beta-1.37-6/sources/1.36.0/reg/prolog_parser/0.8.27/Cargo.toml
[INFO] started frobbing prolog_parser-0.8.27
[INFO] finished frobbing prolog_parser-0.8.27
[INFO] frobbed toml for prolog_parser-0.8.27 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/prolog_parser/0.8.27/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 prolog_parser-0.8.27 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/prolog_parser/0.8.27:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 6e7bf14f62de8bb82521d435bff48f40cc975ef4e9df900d62a266fc3cab62ec
[INFO] running `"docker" "start" "-a" "6e7bf14f62de8bb82521d435bff48f40cc975ef4e9df900d62a266fc3cab62ec"`
[INFO] [stderr]    Compiling rug v1.5.2
[INFO] [stderr]    Compiling static_assertions v0.3.3
[INFO] [stderr]    Compiling stackvector v1.0.6
[INFO] [stderr]    Compiling lexical-core v0.4.3
[INFO] [stderr]    Compiling lexical v2.2.2
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.1.14
[INFO] [stderr]    Compiling prolog_parser v0.8.27 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 23s
[INFO] running `"docker" "inspect" "6e7bf14f62de8bb82521d435bff48f40cc975ef4e9df900d62a266fc3cab62ec"`
[INFO] running `"docker" "rm" "-f" "6e7bf14f62de8bb82521d435bff48f40cc975ef4e9df900d62a266fc3cab62ec"`
[INFO] [stdout] 6e7bf14f62de8bb82521d435bff48f40cc975ef4e9df900d62a266fc3cab62ec
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/prolog_parser/0.8.27:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] b579bb27d82f19dbb6311bf5b5a9779db4207dc385edf911b922193f61dcafac
[INFO] running `"docker" "start" "-a" "b579bb27d82f19dbb6311bf5b5a9779db4207dc385edf911b922193f61dcafac"`
[INFO] [stderr]    Compiling prolog_parser v0.8.27 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `"docker" "inspect" "b579bb27d82f19dbb6311bf5b5a9779db4207dc385edf911b922193f61dcafac"`
[INFO] running `"docker" "rm" "-f" "b579bb27d82f19dbb6311bf5b5a9779db4207dc385edf911b922193f61dcafac"`
[INFO] [stdout] b579bb27d82f19dbb6311bf5b5a9779db4207dc385edf911b922193f61dcafac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/prolog_parser/0.8.27:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 579cb3630dff4f5bb393e1f3b5ce17fa56192ad9b3dc43d14c5f4ba8df8cf70d
[INFO] running `"docker" "start" "-a" "579cb3630dff4f5bb393e1f3b5ce17fa56192ad9b3dc43d14c5f4ba8df8cf70d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/prolog_parser-ab47e8d8aa69b174
[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 prolog_parser
[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" "579cb3630dff4f5bb393e1f3b5ce17fa56192ad9b3dc43d14c5f4ba8df8cf70d"`
[INFO] running `"docker" "rm" "-f" "579cb3630dff4f5bb393e1f3b5ce17fa56192ad9b3dc43d14c5f4ba8df8cf70d"`
[INFO] [stdout] 579cb3630dff4f5bb393e1f3b5ce17fa56192ad9b3dc43d14c5f4ba8df8cf70d