[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-1.37-6/sources/1.36.0/gh/ElectricCoffee/stack_calculator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ElectricCoffee/stack_calculator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ElectricCoffee/stack_calculator" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ElectricCoffee/stack_calculator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ElectricCoffee/stack_calculator 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 ElectricCoffee/stack_calculator
[INFO] finished frobbing ElectricCoffee/stack_calculator
[INFO] frobbed toml for ElectricCoffee/stack_calculator written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ElectricCoffee/stack_calculator 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-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 47b849967039019a4fc7550bd2c3d6f2485ddf691353ece87fe3d0041cb48f34
[INFO] running `"docker" "start" "-a" "47b849967039019a4fc7550bd2c3d6f2485ddf691353ece87fe3d0041cb48f34"`
[INFO] [stderr]    Compiling stack_calc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "47b849967039019a4fc7550bd2c3d6f2485ddf691353ece87fe3d0041cb48f34"`
[INFO] running `"docker" "rm" "-f" "47b849967039019a4fc7550bd2c3d6f2485ddf691353ece87fe3d0041cb48f34"`
[INFO] [stdout] 47b849967039019a4fc7550bd2c3d6f2485ddf691353ece87fe3d0041cb48f34
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1370666b4658a1d8aa3e18aa7f106206aeda97f8e785a1240e5beb390cd58a7b
[INFO] running `"docker" "start" "-a" "1370666b4658a1d8aa3e18aa7f106206aeda97f8e785a1240e5beb390cd58a7b"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stack_calc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "1370666b4658a1d8aa3e18aa7f106206aeda97f8e785a1240e5beb390cd58a7b"`
[INFO] running `"docker" "rm" "-f" "1370666b4658a1d8aa3e18aa7f106206aeda97f8e785a1240e5beb390cd58a7b"`
[INFO] [stdout] 1370666b4658a1d8aa3e18aa7f106206aeda97f8e785a1240e5beb390cd58a7b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] d3e311e8d0648a954af18df41b5ae813d4460d8c124b5146eafd52cdad8d6fed
[INFO] running `"docker" "start" "-a" "d3e311e8d0648a954af18df41b5ae813d4460d8c124b5146eafd52cdad8d6fed"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/stack_calc-1853f8677d7ce977
[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" "d3e311e8d0648a954af18df41b5ae813d4460d8c124b5146eafd52cdad8d6fed"`
[INFO] running `"docker" "rm" "-f" "d3e311e8d0648a954af18df41b5ae813d4460d8c124b5146eafd52cdad8d6fed"`
[INFO] [stdout] d3e311e8d0648a954af18df41b5ae813d4460d8c124b5146eafd52cdad8d6fed