[INFO] crate ipgen 0.0.4 is already in cache
[INFO] extracting crate ipgen 0.0.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/ipgen/0.0.4
[INFO] extracting crate ipgen 0.0.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ipgen/0.0.4
[INFO] validating manifest of ipgen-0.0.4 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 ipgen-0.0.4 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 ipgen-0.0.4
[INFO] finished frobbing ipgen-0.0.4
[INFO] frobbed toml for ipgen-0.0.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/ipgen/0.0.4/Cargo.toml
[INFO] started frobbing ipgen-0.0.4
[INFO] finished frobbing ipgen-0.0.4
[INFO] frobbed toml for ipgen-0.0.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ipgen/0.0.4/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 ipgen-0.0.4 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-2/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/ipgen/0.0.4:/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] 8fb8d2369d82e2e353e2c9ac78f0de5ac935992080677f6da588c29acba3ec10
[INFO] running `"docker" "start" "-a" "8fb8d2369d82e2e353e2c9ac78f0de5ac935992080677f6da588c29acba3ec10"`
[INFO] [stderr]    Compiling ipnetwork v0.10.0
[INFO] [stderr]    Compiling ipgen v0.0.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "8fb8d2369d82e2e353e2c9ac78f0de5ac935992080677f6da588c29acba3ec10"`
[INFO] running `"docker" "rm" "-f" "8fb8d2369d82e2e353e2c9ac78f0de5ac935992080677f6da588c29acba3ec10"`
[INFO] [stdout] 8fb8d2369d82e2e353e2c9ac78f0de5ac935992080677f6da588c29acba3ec10
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/ipgen/0.0.4:/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] 1cb7ece0c392a7221700b06998cc0b22fcdbe4b34507df5fae3f593438d0deb4
[INFO] running `"docker" "start" "-a" "1cb7ece0c392a7221700b06998cc0b22fcdbe4b34507df5fae3f593438d0deb4"`
[INFO] [stderr]    Compiling ipgen v0.0.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "1cb7ece0c392a7221700b06998cc0b22fcdbe4b34507df5fae3f593438d0deb4"`
[INFO] running `"docker" "rm" "-f" "1cb7ece0c392a7221700b06998cc0b22fcdbe4b34507df5fae3f593438d0deb4"`
[INFO] [stdout] 1cb7ece0c392a7221700b06998cc0b22fcdbe4b34507df5fae3f593438d0deb4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/ipgen/0.0.4:/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] 68f57b09d7786383a5d063b36f4ed4c11c1d311620ce74f847623554837aa53d
[INFO] running `"docker" "start" "-a" "68f57b09d7786383a5d063b36f4ed4c11c1d311620ce74f847623554837aa53d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ipgen-b0ea457f5e38fea4
[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]      Running /opt/crater/target/debug/deps/integration-793cab8f3eb19eb3
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test ip_is_valid ... 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 ipgen
[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" "68f57b09d7786383a5d063b36f4ed4c11c1d311620ce74f847623554837aa53d"`
[INFO] running `"docker" "rm" "-f" "68f57b09d7786383a5d063b36f4ed4c11c1d311620ce74f847623554837aa53d"`
[INFO] [stdout] 68f57b09d7786383a5d063b36f4ed4c11c1d311620ce74f847623554837aa53d