[INFO] updating cached repository Dusty-A/rust_guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Dusty-A/rust_guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Dusty-A/rust_guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/Dusty-A/rust_guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Dusty-A/rust_guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Dusty-A/rust_guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Dusty-A/rust_guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Dusty-A/rust_guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6034573e7e0d5e7a1c25bf7c2998d643e41ca504
[INFO] sha for GitHub repo Dusty-A/rust_guessing_game: 6034573e7e0d5e7a1c25bf7c2998d643e41ca504
[INFO] validating manifest of Dusty-A/rust_guessing_game 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 Dusty-A/rust_guessing_game 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 Dusty-A/rust_guessing_game
[INFO] finished frobbing Dusty-A/rust_guessing_game
[INFO] frobbed toml for Dusty-A/rust_guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/Dusty-A/rust_guessing_game/Cargo.toml
[INFO] started frobbing Dusty-A/rust_guessing_game
[INFO] finished frobbing Dusty-A/rust_guessing_game
[INFO] frobbed toml for Dusty-A/rust_guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Dusty-A/rust_guessing_game/Cargo.toml
[INFO] crate Dusty-A/rust_guessing_game 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 Dusty-A/rust_guessing_game against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Dusty-A/rust_guessing_game:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] e53aa9150f224ad12d02f21953770a65fec620f67163d625b539ee1ad8aabd16
[INFO] running `"docker" "start" "-a" "e53aa9150f224ad12d02f21953770a65fec620f67163d625b539ee1ad8aabd16"`
[INFO] [stderr]    Compiling rust_guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "e53aa9150f224ad12d02f21953770a65fec620f67163d625b539ee1ad8aabd16"`
[INFO] running `"docker" "rm" "-f" "e53aa9150f224ad12d02f21953770a65fec620f67163d625b539ee1ad8aabd16"`
[INFO] [stdout] e53aa9150f224ad12d02f21953770a65fec620f67163d625b539ee1ad8aabd16
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Dusty-A/rust_guessing_game:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] a1628276c3e0d04046d59ba74dcdf45945549a917fa8907f7c256a848304fe95
[INFO] running `"docker" "start" "-a" "a1628276c3e0d04046d59ba74dcdf45945549a917fa8907f7c256a848304fe95"`
[INFO] [stderr]    Compiling rust_guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "a1628276c3e0d04046d59ba74dcdf45945549a917fa8907f7c256a848304fe95"`
[INFO] running `"docker" "rm" "-f" "a1628276c3e0d04046d59ba74dcdf45945549a917fa8907f7c256a848304fe95"`
[INFO] [stdout] a1628276c3e0d04046d59ba74dcdf45945549a917fa8907f7c256a848304fe95
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Dusty-A/rust_guessing_game:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] c9a6b33dfa6ab819e7a319e61e648666a4148362167696c19be9f83de3afcb7a
[INFO] running `"docker" "start" "-a" "c9a6b33dfa6ab819e7a319e61e648666a4148362167696c19be9f83de3afcb7a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_guessing_game-af1b0b8ac544b1b8
[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" "c9a6b33dfa6ab819e7a319e61e648666a4148362167696c19be9f83de3afcb7a"`
[INFO] running `"docker" "rm" "-f" "c9a6b33dfa6ab819e7a319e61e648666a4148362167696c19be9f83de3afcb7a"`
[INFO] [stdout] c9a6b33dfa6ab819e7a319e61e648666a4148362167696c19be9f83de3afcb7a