[INFO] updating cached repository frolmr/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/frolmr/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/frolmr/guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/frolmr/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/frolmr/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/frolmr/guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/frolmr/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/frolmr/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 209c5de2b19cc75f692467a1c96a62679ca7191b
[INFO] sha for GitHub repo frolmr/guessing_game: 209c5de2b19cc75f692467a1c96a62679ca7191b
[INFO] validating manifest of frolmr/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 frolmr/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 frolmr/guessing_game
[INFO] finished frobbing frolmr/guessing_game
[INFO] frobbed toml for frolmr/guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/frolmr/guessing_game/Cargo.toml
[INFO] started frobbing frolmr/guessing_game
[INFO] finished frobbing frolmr/guessing_game
[INFO] frobbed toml for frolmr/guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/frolmr/guessing_game/Cargo.toml
[INFO] crate frolmr/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing frolmr/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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/frolmr/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] 08fe45aac1e7cf2eb35bd6552463e4271a3fe1b1fe2550bea7b1f818b7171373
[INFO] running `"docker" "start" "-a" "08fe45aac1e7cf2eb35bd6552463e4271a3fe1b1fe2550bea7b1f818b7171373"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "08fe45aac1e7cf2eb35bd6552463e4271a3fe1b1fe2550bea7b1f818b7171373"`
[INFO] running `"docker" "rm" "-f" "08fe45aac1e7cf2eb35bd6552463e4271a3fe1b1fe2550bea7b1f818b7171373"`
[INFO] [stdout] 08fe45aac1e7cf2eb35bd6552463e4271a3fe1b1fe2550bea7b1f818b7171373
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/frolmr/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] 35dc8754652b02da99cf0bc6388b7e4605c4ca73c75312ee7673fbe7741a1192
[INFO] running `"docker" "start" "-a" "35dc8754652b02da99cf0bc6388b7e4605c4ca73c75312ee7673fbe7741a1192"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "35dc8754652b02da99cf0bc6388b7e4605c4ca73c75312ee7673fbe7741a1192"`
[INFO] running `"docker" "rm" "-f" "35dc8754652b02da99cf0bc6388b7e4605c4ca73c75312ee7673fbe7741a1192"`
[INFO] [stdout] 35dc8754652b02da99cf0bc6388b7e4605c4ca73c75312ee7673fbe7741a1192
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/frolmr/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] 344153ad3d99aa5b88171666f74a10575389d82a99f5158b28abab67b744407f
[INFO] running `"docker" "start" "-a" "344153ad3d99aa5b88171666f74a10575389d82a99f5158b28abab67b744407f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-8ba694ee14b59170
[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" "344153ad3d99aa5b88171666f74a10575389d82a99f5158b28abab67b744407f"`
[INFO] running `"docker" "rm" "-f" "344153ad3d99aa5b88171666f74a10575389d82a99f5158b28abab67b744407f"`
[INFO] [stdout] 344153ad3d99aa5b88171666f74a10575389d82a99f5158b28abab67b744407f