[INFO] updating cached repository ElectricCoffee/stack_calculator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ElectricCoffee/stack_calculator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ElectricCoffee/stack_calculator" "work/ex/beta-1.38-1/sources/1.37.0/gh/ElectricCoffee/stack_calculator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ElectricCoffee/stack_calculator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ElectricCoffee/stack_calculator" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ElectricCoffee/stack_calculator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ElectricCoffee/stack_calculator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1b6ac349bec4ef430cd8ad665ad3de5c1386b6cf
[INFO] sha for GitHub repo ElectricCoffee/stack_calculator: 1b6ac349bec4ef430cd8ad665ad3de5c1386b6cf
[INFO] validating manifest of ElectricCoffee/stack_calculator 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 ElectricCoffee/stack_calculator 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 ElectricCoffee/stack_calculator
[INFO] finished frobbing ElectricCoffee/stack_calculator
[INFO] frobbed toml for ElectricCoffee/stack_calculator written to work/ex/beta-1.38-1/sources/1.37.0/gh/ElectricCoffee/stack_calculator/Cargo.toml
[INFO] started frobbing ElectricCoffee/stack_calculator
[INFO] finished frobbing ElectricCoffee/stack_calculator
[INFO] frobbed toml for ElectricCoffee/stack_calculator written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ElectricCoffee/stack_calculator/Cargo.toml
[INFO] crate ElectricCoffee/stack_calculator 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 ElectricCoffee/stack_calculator 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/gh/ElectricCoffee/stack_calculator:/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] 2b82b90737b5accaf3afcc76776fde29b436f6cbb614ff03bad405d41bc4b9bc
[INFO] running `"docker" "start" "-a" "2b82b90737b5accaf3afcc76776fde29b436f6cbb614ff03bad405d41bc4b9bc"`
[INFO] [stderr]    Compiling stack_calc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "2b82b90737b5accaf3afcc76776fde29b436f6cbb614ff03bad405d41bc4b9bc"`
[INFO] running `"docker" "rm" "-f" "2b82b90737b5accaf3afcc76776fde29b436f6cbb614ff03bad405d41bc4b9bc"`
[INFO] [stdout] 2b82b90737b5accaf3afcc76776fde29b436f6cbb614ff03bad405d41bc4b9bc
[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/gh/ElectricCoffee/stack_calculator:/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] 1eb8b0351e7ddfd4f3ae838ceb7945ec211219ad7220a1ba3d9b9cbfc4e8a8a4
[INFO] running `"docker" "start" "-a" "1eb8b0351e7ddfd4f3ae838ceb7945ec211219ad7220a1ba3d9b9cbfc4e8a8a4"`
[INFO] [stderr]    Compiling stack_calc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "1eb8b0351e7ddfd4f3ae838ceb7945ec211219ad7220a1ba3d9b9cbfc4e8a8a4"`
[INFO] running `"docker" "rm" "-f" "1eb8b0351e7ddfd4f3ae838ceb7945ec211219ad7220a1ba3d9b9cbfc4e8a8a4"`
[INFO] [stdout] 1eb8b0351e7ddfd4f3ae838ceb7945ec211219ad7220a1ba3d9b9cbfc4e8a8a4
[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/gh/ElectricCoffee/stack_calculator:/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] 370588fa7a71a7dc0409954485aba1675510eb7c25f4a6ef7e1c09b19225446e
[INFO] running `"docker" "start" "-a" "370588fa7a71a7dc0409954485aba1675510eb7c25f4a6ef7e1c09b19225446e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/stack_calc-f66e47bc0827b5d6
[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" "370588fa7a71a7dc0409954485aba1675510eb7c25f4a6ef7e1c09b19225446e"`
[INFO] running `"docker" "rm" "-f" "370588fa7a71a7dc0409954485aba1675510eb7c25f4a6ef7e1c09b19225446e"`
[INFO] [stdout] 370588fa7a71a7dc0409954485aba1675510eb7c25f4a6ef7e1c09b19225446e