[INFO] updating cached repository AlexABallWebDev/rust_playground
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AlexABallWebDev/rust_playground
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AlexABallWebDev/rust_playground" "work/ex/beta-1.37-6/sources/1.36.0/gh/AlexABallWebDev/rust_playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/AlexABallWebDev/rust_playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AlexABallWebDev/rust_playground" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AlexABallWebDev/rust_playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AlexABallWebDev/rust_playground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1784c69f7bb2a7c150a86ea21e63bc1b73cb90dc
[INFO] sha for GitHub repo AlexABallWebDev/rust_playground: 1784c69f7bb2a7c150a86ea21e63bc1b73cb90dc
[INFO] validating manifest of AlexABallWebDev/rust_playground 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 AlexABallWebDev/rust_playground 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 AlexABallWebDev/rust_playground
[INFO] finished frobbing AlexABallWebDev/rust_playground
[INFO] frobbed toml for AlexABallWebDev/rust_playground written to work/ex/beta-1.37-6/sources/1.36.0/gh/AlexABallWebDev/rust_playground/Cargo.toml
[INFO] started frobbing AlexABallWebDev/rust_playground
[INFO] finished frobbing AlexABallWebDev/rust_playground
[INFO] frobbed toml for AlexABallWebDev/rust_playground written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AlexABallWebDev/rust_playground/Cargo.toml
[INFO] crate AlexABallWebDev/rust_playground 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 AlexABallWebDev/rust_playground against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/AlexABallWebDev/rust_playground:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 6ac806be6594d572b2bd729b17db0cdbb921a841f4e3a9986b585644d26fdeb9
[INFO] running `"docker" "start" "-a" "6ac806be6594d572b2bd729b17db0cdbb921a841f4e3a9986b585644d26fdeb9"`
[INFO] [stderr]    Compiling rust_playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "6ac806be6594d572b2bd729b17db0cdbb921a841f4e3a9986b585644d26fdeb9"`
[INFO] running `"docker" "rm" "-f" "6ac806be6594d572b2bd729b17db0cdbb921a841f4e3a9986b585644d26fdeb9"`
[INFO] [stdout] 6ac806be6594d572b2bd729b17db0cdbb921a841f4e3a9986b585644d26fdeb9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/AlexABallWebDev/rust_playground:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4945e7e4aeb23a3664426071ad3b5129db6c7ba108ecba6a69b74964606995a1
[INFO] running `"docker" "start" "-a" "4945e7e4aeb23a3664426071ad3b5129db6c7ba108ecba6a69b74964606995a1"`
[INFO] [stderr]    Compiling rust_playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "4945e7e4aeb23a3664426071ad3b5129db6c7ba108ecba6a69b74964606995a1"`
[INFO] running `"docker" "rm" "-f" "4945e7e4aeb23a3664426071ad3b5129db6c7ba108ecba6a69b74964606995a1"`
[INFO] [stdout] 4945e7e4aeb23a3664426071ad3b5129db6c7ba108ecba6a69b74964606995a1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/AlexABallWebDev/rust_playground:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 95b27bf3e44102d60665cf50d9cc500107fb7b48b9f796a567699a58d234c02f
[INFO] running `"docker" "start" "-a" "95b27bf3e44102d60665cf50d9cc500107fb7b48b9f796a567699a58d234c02f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_playground-8ab025420bf710d4
[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" "95b27bf3e44102d60665cf50d9cc500107fb7b48b9f796a567699a58d234c02f"`
[INFO] running `"docker" "rm" "-f" "95b27bf3e44102d60665cf50d9cc500107fb7b48b9f796a567699a58d234c02f"`
[INFO] [stdout] 95b27bf3e44102d60665cf50d9cc500107fb7b48b9f796a567699a58d234c02f