[INFO] updating cached repository DLMousey/guessing-game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/DLMousey/guessing-game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/DLMousey/guessing-game" "work/ex/beta-1.38-1/sources/1.37.0/gh/DLMousey/guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/DLMousey/guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DLMousey/guessing-game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/DLMousey/guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/DLMousey/guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2c2d1ae2a4c9f6f33f42ba27f0bd1bdefa59a927
[INFO] sha for GitHub repo DLMousey/guessing-game: 2c2d1ae2a4c9f6f33f42ba27f0bd1bdefa59a927
[INFO] validating manifest of DLMousey/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 DLMousey/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 DLMousey/guessing-game
[INFO] finished frobbing DLMousey/guessing-game
[INFO] frobbed toml for DLMousey/guessing-game written to work/ex/beta-1.38-1/sources/1.37.0/gh/DLMousey/guessing-game/Cargo.toml
[INFO] started frobbing DLMousey/guessing-game
[INFO] finished frobbing DLMousey/guessing-game
[INFO] frobbed toml for DLMousey/guessing-game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/DLMousey/guessing-game/Cargo.toml
[INFO] crate DLMousey/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 DLMousey/guessing-game 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/DLMousey/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 2b6d58533a9f4721c42f9cece6d1d6a15bf1f8bded4ea290d8b5840c832a1c22
[INFO] running `"docker" "start" "-a" "2b6d58533a9f4721c42f9cece6d1d6a15bf1f8bded4ea290d8b5840c832a1c22"`
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling rand v0.4.5
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.30s
[INFO] running `"docker" "inspect" "2b6d58533a9f4721c42f9cece6d1d6a15bf1f8bded4ea290d8b5840c832a1c22"`
[INFO] running `"docker" "rm" "-f" "2b6d58533a9f4721c42f9cece6d1d6a15bf1f8bded4ea290d8b5840c832a1c22"`
[INFO] [stdout] 2b6d58533a9f4721c42f9cece6d1d6a15bf1f8bded4ea290d8b5840c832a1c22
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/DLMousey/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 07135df7e76439d5240f93a6d529108e2198117bb3d07b5b34affea2c2d0c22b
[INFO] running `"docker" "start" "-a" "07135df7e76439d5240f93a6d529108e2198117bb3d07b5b34affea2c2d0c22b"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "07135df7e76439d5240f93a6d529108e2198117bb3d07b5b34affea2c2d0c22b"`
[INFO] running `"docker" "rm" "-f" "07135df7e76439d5240f93a6d529108e2198117bb3d07b5b34affea2c2d0c22b"`
[INFO] [stdout] 07135df7e76439d5240f93a6d529108e2198117bb3d07b5b34affea2c2d0c22b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/DLMousey/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] b69481ba97dcb4a8984e1af3e4a2d22d4517e35808a07be575f9f12e9ca9fecb
[INFO] running `"docker" "start" "-a" "b69481ba97dcb4a8984e1af3e4a2d22d4517e35808a07be575f9f12e9ca9fecb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-5e64c3cdcd22d38f
[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" "b69481ba97dcb4a8984e1af3e4a2d22d4517e35808a07be575f9f12e9ca9fecb"`
[INFO] running `"docker" "rm" "-f" "b69481ba97dcb4a8984e1af3e4a2d22d4517e35808a07be575f9f12e9ca9fecb"`
[INFO] [stdout] b69481ba97dcb4a8984e1af3e4a2d22d4517e35808a07be575f9f12e9ca9fecb