[INFO] updating cached repository sadsa/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sadsa/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sadsa/guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/sadsa/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sadsa/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sadsa/guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sadsa/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sadsa/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7cb19cae481027844f2752b2188dbf796068ceda
[INFO] sha for GitHub repo sadsa/guessing_game: 7cb19cae481027844f2752b2188dbf796068ceda
[INFO] validating manifest of sadsa/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 sadsa/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 sadsa/guessing_game
[INFO] finished frobbing sadsa/guessing_game
[INFO] frobbed toml for sadsa/guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/sadsa/guessing_game/Cargo.toml
[INFO] started frobbing sadsa/guessing_game
[INFO] finished frobbing sadsa/guessing_game
[INFO] frobbed toml for sadsa/guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sadsa/guessing_game/Cargo.toml
[INFO] crate sadsa/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 sadsa/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/sadsa/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] a0d040d34954c311e2abd76608a79bedbb195e6de326f76aaf8b9b895db2fa6d
[INFO] running `"docker" "start" "-a" "a0d040d34954c311e2abd76608a79bedbb195e6de326f76aaf8b9b895db2fa6d"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "a0d040d34954c311e2abd76608a79bedbb195e6de326f76aaf8b9b895db2fa6d"`
[INFO] running `"docker" "rm" "-f" "a0d040d34954c311e2abd76608a79bedbb195e6de326f76aaf8b9b895db2fa6d"`
[INFO] [stdout] a0d040d34954c311e2abd76608a79bedbb195e6de326f76aaf8b9b895db2fa6d
[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/sadsa/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] d54fb9d9dd621aacf79808d0b8d9287abf94b4cb697fce6e2d65d87132ce5964
[INFO] running `"docker" "start" "-a" "d54fb9d9dd621aacf79808d0b8d9287abf94b4cb697fce6e2d65d87132ce5964"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "d54fb9d9dd621aacf79808d0b8d9287abf94b4cb697fce6e2d65d87132ce5964"`
[INFO] running `"docker" "rm" "-f" "d54fb9d9dd621aacf79808d0b8d9287abf94b4cb697fce6e2d65d87132ce5964"`
[INFO] [stdout] d54fb9d9dd621aacf79808d0b8d9287abf94b4cb697fce6e2d65d87132ce5964
[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/sadsa/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] bcb96e000f6af5f2e270fa2202999a07fce965889e8448f504753e69ffb8940e
[INFO] running `"docker" "start" "-a" "bcb96e000f6af5f2e270fa2202999a07fce965889e8448f504753e69ffb8940e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-cc786e3d167ec50c
[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" "bcb96e000f6af5f2e270fa2202999a07fce965889e8448f504753e69ffb8940e"`
[INFO] running `"docker" "rm" "-f" "bcb96e000f6af5f2e270fa2202999a07fce965889e8448f504753e69ffb8940e"`
[INFO] [stdout] bcb96e000f6af5f2e270fa2202999a07fce965889e8448f504753e69ffb8940e