[INFO] crate vkgen 1.1.1 is already in cache
[INFO] extracting crate vkgen 1.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/vkgen/1.1.1
[INFO] extracting crate vkgen 1.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/vkgen/1.1.1
[INFO] validating manifest of vkgen-1.1.1 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 vkgen-1.1.1 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 vkgen-1.1.1
[INFO] finished frobbing vkgen-1.1.1
[INFO] frobbed toml for vkgen-1.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/vkgen/1.1.1/Cargo.toml
[INFO] started frobbing vkgen-1.1.1
[INFO] finished frobbing vkgen-1.1.1
[INFO] frobbed toml for vkgen-1.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/vkgen/1.1.1/Cargo.toml
[INFO] crate vkgen-1.1.1 already has a lockfile, it will not be regenerated
[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 vkgen-1.1.1 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/vkgen/1.1.1:/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] 6d8ced056052bfdb2b1a3ead8aca1250b25c302fad228d3506bb5d2dcd4673d0
[INFO] running `"docker" "start" "-a" "6d8ced056052bfdb2b1a3ead8aca1250b25c302fad228d3506bb5d2dcd4673d0"`
[INFO] [stderr]    Compiling vkgen v1.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `"docker" "inspect" "6d8ced056052bfdb2b1a3ead8aca1250b25c302fad228d3506bb5d2dcd4673d0"`
[INFO] running `"docker" "rm" "-f" "6d8ced056052bfdb2b1a3ead8aca1250b25c302fad228d3506bb5d2dcd4673d0"`
[INFO] [stdout] 6d8ced056052bfdb2b1a3ead8aca1250b25c302fad228d3506bb5d2dcd4673d0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/vkgen/1.1.1:/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] 5d26b817ddb06b6f26d2a8cb3e0347c23f7b9c92c93660aee0ac36c6640a4ced
[INFO] running `"docker" "start" "-a" "5d26b817ddb06b6f26d2a8cb3e0347c23f7b9c92c93660aee0ac36c6640a4ced"`
[INFO] [stderr]    Compiling vkgen v1.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `"docker" "inspect" "5d26b817ddb06b6f26d2a8cb3e0347c23f7b9c92c93660aee0ac36c6640a4ced"`
[INFO] running `"docker" "rm" "-f" "5d26b817ddb06b6f26d2a8cb3e0347c23f7b9c92c93660aee0ac36c6640a4ced"`
[INFO] [stdout] 5d26b817ddb06b6f26d2a8cb3e0347c23f7b9c92c93660aee0ac36c6640a4ced
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/vkgen/1.1.1:/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] 52b2a1fc627d929ad240d1069eed682583838edc926f0a95c87da8ac360703a9
[INFO] running `"docker" "start" "-a" "52b2a1fc627d929ad240d1069eed682583838edc926f0a95c87da8ac360703a9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/vkgen-6ad336350f242e07
[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" "52b2a1fc627d929ad240d1069eed682583838edc926f0a95c87da8ac360703a9"`
[INFO] running `"docker" "rm" "-f" "52b2a1fc627d929ad240d1069eed682583838edc926f0a95c87da8ac360703a9"`
[INFO] [stdout] 52b2a1fc627d929ad240d1069eed682583838edc926f0a95c87da8ac360703a9