[INFO] crate vn 0.0.0 is already in cache
[INFO] extracting crate vn 0.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/vn/0.0.0
[INFO] extracting crate vn 0.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/vn/0.0.0
[INFO] validating manifest of vn-0.0.0 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 vn-0.0.0 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 vn-0.0.0
[INFO] finished frobbing vn-0.0.0
[INFO] frobbed toml for vn-0.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/vn/0.0.0/Cargo.toml
[INFO] started frobbing vn-0.0.0
[INFO] finished frobbing vn-0.0.0
[INFO] frobbed toml for vn-0.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/vn/0.0.0/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 vn-0.0.0 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/vn/0.0.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 35e9478f5c82fde2f0238884058a94b6716636fdefcf904298aced8c69662633
[INFO] running `"docker" "start" "-a" "35e9478f5c82fde2f0238884058a94b6716636fdefcf904298aced8c69662633"`
[INFO] [stderr]    Compiling vn v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `"docker" "inspect" "35e9478f5c82fde2f0238884058a94b6716636fdefcf904298aced8c69662633"`
[INFO] running `"docker" "rm" "-f" "35e9478f5c82fde2f0238884058a94b6716636fdefcf904298aced8c69662633"`
[INFO] [stdout] 35e9478f5c82fde2f0238884058a94b6716636fdefcf904298aced8c69662633
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/vn/0.0.0:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] fbe960b97928951dfbf647c232ce7599f3d5f95e41926196c4cdb27be09c27da
[INFO] running `"docker" "start" "-a" "fbe960b97928951dfbf647c232ce7599f3d5f95e41926196c4cdb27be09c27da"`
[INFO] [stderr]    Compiling vn v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "fbe960b97928951dfbf647c232ce7599f3d5f95e41926196c4cdb27be09c27da"`
[INFO] running `"docker" "rm" "-f" "fbe960b97928951dfbf647c232ce7599f3d5f95e41926196c4cdb27be09c27da"`
[INFO] [stdout] fbe960b97928951dfbf647c232ce7599f3d5f95e41926196c4cdb27be09c27da
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/vn/0.0.0:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 9d36198d55e031a0eef2b53418c6c40d734fc4b616e7bf0660b57e88b4d34090
[INFO] running `"docker" "start" "-a" "9d36198d55e031a0eef2b53418c6c40d734fc4b616e7bf0660b57e88b4d34090"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/vn-8f8aafe127cfc002
[INFO] [stderr]    Doc-tests vn
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "9d36198d55e031a0eef2b53418c6c40d734fc4b616e7bf0660b57e88b4d34090"`
[INFO] running `"docker" "rm" "-f" "9d36198d55e031a0eef2b53418c6c40d734fc4b616e7bf0660b57e88b4d34090"`
[INFO] [stdout] 9d36198d55e031a0eef2b53418c6c40d734fc4b616e7bf0660b57e88b4d34090