[INFO] updating cached repository mrchoung/variables
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mrchoung/variables
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mrchoung/variables" "work/ex/beta-1.38-1/sources/1.37.0/gh/mrchoung/variables"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mrchoung/variables'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mrchoung/variables" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mrchoung/variables"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mrchoung/variables'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dfbedec68305319d0e979eb8706e7f6ceaf171b8
[INFO] sha for GitHub repo mrchoung/variables: dfbedec68305319d0e979eb8706e7f6ceaf171b8
[INFO] validating manifest of mrchoung/variables 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 mrchoung/variables 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 mrchoung/variables
[INFO] finished frobbing mrchoung/variables
[INFO] frobbed toml for mrchoung/variables written to work/ex/beta-1.38-1/sources/1.37.0/gh/mrchoung/variables/Cargo.toml
[INFO] started frobbing mrchoung/variables
[INFO] finished frobbing mrchoung/variables
[INFO] frobbed toml for mrchoung/variables written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mrchoung/variables/Cargo.toml
[INFO] crate mrchoung/variables 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 mrchoung/variables 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mrchoung/variables:/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] 7fbb9a720674a79c658a25f1db6e128b627c15c20701be712f31ef1fb9f7e692
[INFO] running `"docker" "start" "-a" "7fbb9a720674a79c658a25f1db6e128b627c15c20701be712f31ef1fb9f7e692"`
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "7fbb9a720674a79c658a25f1db6e128b627c15c20701be712f31ef1fb9f7e692"`
[INFO] running `"docker" "rm" "-f" "7fbb9a720674a79c658a25f1db6e128b627c15c20701be712f31ef1fb9f7e692"`
[INFO] [stdout] 7fbb9a720674a79c658a25f1db6e128b627c15c20701be712f31ef1fb9f7e692
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mrchoung/variables:/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] dab48ad3f107671be4fa45dcbe7260a29f2cdca01e8c5c067300e8e160cf4ef2
[INFO] running `"docker" "start" "-a" "dab48ad3f107671be4fa45dcbe7260a29f2cdca01e8c5c067300e8e160cf4ef2"`
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "dab48ad3f107671be4fa45dcbe7260a29f2cdca01e8c5c067300e8e160cf4ef2"`
[INFO] running `"docker" "rm" "-f" "dab48ad3f107671be4fa45dcbe7260a29f2cdca01e8c5c067300e8e160cf4ef2"`
[INFO] [stdout] dab48ad3f107671be4fa45dcbe7260a29f2cdca01e8c5c067300e8e160cf4ef2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mrchoung/variables:/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] 08d7f23d93145ef0f8db40796e11ab49cd4a6387834b566125462599f23dea1d
[INFO] running `"docker" "start" "-a" "08d7f23d93145ef0f8db40796e11ab49cd4a6387834b566125462599f23dea1d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/variables-5f3a16f44e6fbea3
[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" "08d7f23d93145ef0f8db40796e11ab49cd4a6387834b566125462599f23dea1d"`
[INFO] running `"docker" "rm" "-f" "08d7f23d93145ef0f8db40796e11ab49cd4a6387834b566125462599f23dea1d"`
[INFO] [stdout] 08d7f23d93145ef0f8db40796e11ab49cd4a6387834b566125462599f23dea1d