[INFO] crate keygen 2.1.0 is already in cache
[INFO] extracting crate keygen 2.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/keygen/2.1.0
[INFO] extracting crate keygen 2.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/keygen/2.1.0
[INFO] validating manifest of keygen-2.1.0 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 keygen-2.1.0 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 keygen-2.1.0
[INFO] finished frobbing keygen-2.1.0
[INFO] frobbed toml for keygen-2.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/keygen/2.1.0/Cargo.toml
[INFO] started frobbing keygen-2.1.0
[INFO] finished frobbing keygen-2.1.0
[INFO] frobbed toml for keygen-2.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/keygen/2.1.0/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 keygen-2.1.0 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-3/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/keygen/2.1.0:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] fac491c5762f203c56a4b328964a068f307d85183941a256eb0705cad3d283c3
[INFO] running `"docker" "start" "-a" "fac491c5762f203c56a4b328964a068f307d85183941a256eb0705cad3d283c3"`
[INFO] [stderr]    Compiling serial-key v2.0.0
[INFO] [stderr]    Compiling keygen v2.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.79s
[INFO] running `"docker" "inspect" "fac491c5762f203c56a4b328964a068f307d85183941a256eb0705cad3d283c3"`
[INFO] running `"docker" "rm" "-f" "fac491c5762f203c56a4b328964a068f307d85183941a256eb0705cad3d283c3"`
[INFO] [stdout] fac491c5762f203c56a4b328964a068f307d85183941a256eb0705cad3d283c3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/keygen/2.1.0:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4cb9d014b10439c48f2cf746e6f693a2d5027e1ee9205573282e58ddba1a23ac
[INFO] running `"docker" "start" "-a" "4cb9d014b10439c48f2cf746e6f693a2d5027e1ee9205573282e58ddba1a23ac"`
[INFO] [stderr]    Compiling keygen v2.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "4cb9d014b10439c48f2cf746e6f693a2d5027e1ee9205573282e58ddba1a23ac"`
[INFO] running `"docker" "rm" "-f" "4cb9d014b10439c48f2cf746e6f693a2d5027e1ee9205573282e58ddba1a23ac"`
[INFO] [stdout] 4cb9d014b10439c48f2cf746e6f693a2d5027e1ee9205573282e58ddba1a23ac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/keygen/2.1.0:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 9d3db94e89e96567b6e5095fbd97fde1445daa0ce45751c6a82f9629e7b36293
[INFO] running `"docker" "start" "-a" "9d3db94e89e96567b6e5095fbd97fde1445daa0ce45751c6a82f9629e7b36293"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/keygen-d3550bdc07dd3910
[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" "9d3db94e89e96567b6e5095fbd97fde1445daa0ce45751c6a82f9629e7b36293"`
[INFO] running `"docker" "rm" "-f" "9d3db94e89e96567b6e5095fbd97fde1445daa0ce45751c6a82f9629e7b36293"`
[INFO] [stdout] 9d3db94e89e96567b6e5095fbd97fde1445daa0ce45751c6a82f9629e7b36293