[INFO] crate ip6gen 0.0.2 is already in cache
[INFO] extracting crate ip6gen 0.0.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/ip6gen/0.0.2
[INFO] extracting crate ip6gen 0.0.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ip6gen/0.0.2
[INFO] validating manifest of ip6gen-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 ip6gen-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 ip6gen-0.0.2
[INFO] finished frobbing ip6gen-0.0.2
[INFO] frobbed toml for ip6gen-0.0.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/ip6gen/0.0.2/Cargo.toml
[INFO] started frobbing ip6gen-0.0.2
[INFO] finished frobbing ip6gen-0.0.2
[INFO] frobbed toml for ip6gen-0.0.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ip6gen/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 ip6gen-0.0.2 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-7/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/ip6gen/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] fd69ee855844890371f9fbbec8b00e12dbaefbefbe6530157363a5078a1b0d85
[INFO] running `"docker" "start" "-a" "fd69ee855844890371f9fbbec8b00e12dbaefbefbe6530157363a5078a1b0d85"`
[INFO] [stderr]    Compiling ipnetwork v0.10.0
[INFO] [stderr]    Compiling ipgen v0.0.1
[INFO] [stderr]    Compiling ip6gen v0.0.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `"docker" "inspect" "fd69ee855844890371f9fbbec8b00e12dbaefbefbe6530157363a5078a1b0d85"`
[INFO] running `"docker" "rm" "-f" "fd69ee855844890371f9fbbec8b00e12dbaefbefbe6530157363a5078a1b0d85"`
[INFO] [stdout] fd69ee855844890371f9fbbec8b00e12dbaefbefbe6530157363a5078a1b0d85
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/ip6gen/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] fb331ab2ba9bd5b5e8ad8ca3b8413c8a702b6c48876a5b822409691002249160
[INFO] running `"docker" "start" "-a" "fb331ab2ba9bd5b5e8ad8ca3b8413c8a702b6c48876a5b822409691002249160"`
[INFO] [stderr]    Compiling ip6gen v0.0.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "fb331ab2ba9bd5b5e8ad8ca3b8413c8a702b6c48876a5b822409691002249160"`
[INFO] running `"docker" "rm" "-f" "fb331ab2ba9bd5b5e8ad8ca3b8413c8a702b6c48876a5b822409691002249160"`
[INFO] [stdout] fb331ab2ba9bd5b5e8ad8ca3b8413c8a702b6c48876a5b822409691002249160
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/ip6gen/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 5c0584b81905cc7c906674013eb29838316d7d39449a00811f369bad43e89f33
[INFO] running `"docker" "start" "-a" "5c0584b81905cc7c906674013eb29838316d7d39449a00811f369bad43e89f33"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ip6gen-7c5330decf001d22
[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" "5c0584b81905cc7c906674013eb29838316d7d39449a00811f369bad43e89f33"`
[INFO] running `"docker" "rm" "-f" "5c0584b81905cc7c906674013eb29838316d7d39449a00811f369bad43e89f33"`
[INFO] [stdout] 5c0584b81905cc7c906674013eb29838316d7d39449a00811f369bad43e89f33