[INFO] updating cached repository sikender/rust_variables
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sikender/rust_variables
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sikender/rust_variables" "work/ex/beta-1.38-1/sources/1.37.0/gh/sikender/rust_variables"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sikender/rust_variables'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sikender/rust_variables" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sikender/rust_variables"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sikender/rust_variables'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b593c20dadd2562f0c4357fa2078180c8ebea44a
[INFO] sha for GitHub repo sikender/rust_variables: b593c20dadd2562f0c4357fa2078180c8ebea44a
[INFO] validating manifest of sikender/rust_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 sikender/rust_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 sikender/rust_variables
[INFO] finished frobbing sikender/rust_variables
[INFO] frobbed toml for sikender/rust_variables written to work/ex/beta-1.38-1/sources/1.37.0/gh/sikender/rust_variables/Cargo.toml
[INFO] started frobbing sikender/rust_variables
[INFO] finished frobbing sikender/rust_variables
[INFO] frobbed toml for sikender/rust_variables written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sikender/rust_variables/Cargo.toml
[INFO] crate sikender/rust_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 sikender/rust_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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sikender/rust_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] 04d920f9279f88e4cbccfd78239c9819637dd2c4286632d1ac54a637926e3199
[INFO] running `"docker" "start" "-a" "04d920f9279f88e4cbccfd78239c9819637dd2c4286632d1ac54a637926e3199"`
[INFO] [stderr]    Compiling rust_variables v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "04d920f9279f88e4cbccfd78239c9819637dd2c4286632d1ac54a637926e3199"`
[INFO] running `"docker" "rm" "-f" "04d920f9279f88e4cbccfd78239c9819637dd2c4286632d1ac54a637926e3199"`
[INFO] [stdout] 04d920f9279f88e4cbccfd78239c9819637dd2c4286632d1ac54a637926e3199
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sikender/rust_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] 8011c3ea37dbef53dbd5ca1ced80af57bc4a2cf32e19932dbd87220868bb79a3
[INFO] running `"docker" "start" "-a" "8011c3ea37dbef53dbd5ca1ced80af57bc4a2cf32e19932dbd87220868bb79a3"`
[INFO] [stderr]    Compiling rust_variables v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "8011c3ea37dbef53dbd5ca1ced80af57bc4a2cf32e19932dbd87220868bb79a3"`
[INFO] running `"docker" "rm" "-f" "8011c3ea37dbef53dbd5ca1ced80af57bc4a2cf32e19932dbd87220868bb79a3"`
[INFO] [stdout] 8011c3ea37dbef53dbd5ca1ced80af57bc4a2cf32e19932dbd87220868bb79a3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sikender/rust_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] 12e931d5c80257e803f5018578e18ffe4283a17ecf2f427f91c3d42c2996b7fd
[INFO] running `"docker" "start" "-a" "12e931d5c80257e803f5018578e18ffe4283a17ecf2f427f91c3d42c2996b7fd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_variables-4a0558796d7528f9
[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" "12e931d5c80257e803f5018578e18ffe4283a17ecf2f427f91c3d42c2996b7fd"`
[INFO] running `"docker" "rm" "-f" "12e931d5c80257e803f5018578e18ffe4283a17ecf2f427f91c3d42c2996b7fd"`
[INFO] [stdout] 12e931d5c80257e803f5018578e18ffe4283a17ecf2f427f91c3d42c2996b7fd