[INFO] fetching crate vkgen 1.1.1...
[INFO] extracting crate vkgen 1.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/vkgen/1.1.1
[INFO] extracting crate vkgen 1.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/vkgen/1.1.1
[INFO] validating manifest of vkgen-1.1.1 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 vkgen-1.1.1 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 vkgen-1.1.1
[INFO] finished frobbing vkgen-1.1.1
[INFO] frobbed toml for vkgen-1.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing vkgen-1.1.1 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-2/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/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] ddf3eda1de9876f1316fd85a587f9d84398a89958cb8cce370b8f3b3f4ccef25
[INFO] running `"docker" "start" "-a" "ddf3eda1de9876f1316fd85a587f9d84398a89958cb8cce370b8f3b3f4ccef25"`
[INFO] [stderr]    Compiling vkgen v1.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.18s
[INFO] running `"docker" "inspect" "ddf3eda1de9876f1316fd85a587f9d84398a89958cb8cce370b8f3b3f4ccef25"`
[INFO] running `"docker" "rm" "-f" "ddf3eda1de9876f1316fd85a587f9d84398a89958cb8cce370b8f3b3f4ccef25"`
[INFO] [stdout] ddf3eda1de9876f1316fd85a587f9d84398a89958cb8cce370b8f3b3f4ccef25
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 96d5719c14784206e9fe8184e24478fcc6792577fc3e38783689ece3ce6c1820
[INFO] running `"docker" "start" "-a" "96d5719c14784206e9fe8184e24478fcc6792577fc3e38783689ece3ce6c1820"`
[INFO] [stderr]    Compiling vkgen v1.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `"docker" "inspect" "96d5719c14784206e9fe8184e24478fcc6792577fc3e38783689ece3ce6c1820"`
[INFO] running `"docker" "rm" "-f" "96d5719c14784206e9fe8184e24478fcc6792577fc3e38783689ece3ce6c1820"`
[INFO] [stdout] 96d5719c14784206e9fe8184e24478fcc6792577fc3e38783689ece3ce6c1820
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 32aaa76fdee4954489af1ec2aa3f4052b66cf81dc01b388f89bb96e86889b0c5
[INFO] running `"docker" "start" "-a" "32aaa76fdee4954489af1ec2aa3f4052b66cf81dc01b388f89bb96e86889b0c5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/vkgen-33cc75803ef615f6
[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" "32aaa76fdee4954489af1ec2aa3f4052b66cf81dc01b388f89bb96e86889b0c5"`
[INFO] running `"docker" "rm" "-f" "32aaa76fdee4954489af1ec2aa3f4052b66cf81dc01b388f89bb96e86889b0c5"`
[INFO] [stdout] 32aaa76fdee4954489af1ec2aa3f4052b66cf81dc01b388f89bb96e86889b0c5