[INFO] updating cached repository davidklett/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/davidklett/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/davidklett/guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/davidklett/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/davidklett/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/davidklett/guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davidklett/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davidklett/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4dc0c01b0698c9bd8bab1a680156ade56e5dd25d
[INFO] sha for GitHub repo davidklett/guessing_game: 4dc0c01b0698c9bd8bab1a680156ade56e5dd25d
[INFO] validating manifest of davidklett/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 davidklett/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 davidklett/guessing_game
[INFO] finished frobbing davidklett/guessing_game
[INFO] frobbed toml for davidklett/guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/davidklett/guessing_game/Cargo.toml
[INFO] started frobbing davidklett/guessing_game
[INFO] finished frobbing davidklett/guessing_game
[INFO] frobbed toml for davidklett/guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davidklett/guessing_game/Cargo.toml
[INFO] crate davidklett/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 davidklett/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-5/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/davidklett/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] 0250fe63b85cb74a9e88e1dc2a9dc79b8daaf3de1403ba93948dbc882d4a5663
[INFO] running `"docker" "start" "-a" "0250fe63b85cb74a9e88e1dc2a9dc79b8daaf3de1403ba93948dbc882d4a5663"`
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `"docker" "inspect" "0250fe63b85cb74a9e88e1dc2a9dc79b8daaf3de1403ba93948dbc882d4a5663"`
[INFO] running `"docker" "rm" "-f" "0250fe63b85cb74a9e88e1dc2a9dc79b8daaf3de1403ba93948dbc882d4a5663"`
[INFO] [stdout] 0250fe63b85cb74a9e88e1dc2a9dc79b8daaf3de1403ba93948dbc882d4a5663
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/davidklett/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] ca01bcef86d85b0b529ec7c5709a5c94f013480ee019c2f08042cf55edf82bfb
[INFO] running `"docker" "start" "-a" "ca01bcef86d85b0b529ec7c5709a5c94f013480ee019c2f08042cf55edf82bfb"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "ca01bcef86d85b0b529ec7c5709a5c94f013480ee019c2f08042cf55edf82bfb"`
[INFO] running `"docker" "rm" "-f" "ca01bcef86d85b0b529ec7c5709a5c94f013480ee019c2f08042cf55edf82bfb"`
[INFO] [stdout] ca01bcef86d85b0b529ec7c5709a5c94f013480ee019c2f08042cf55edf82bfb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/davidklett/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] bb476c4aac1a5bb44d96e0ed941397518d9f6e04cee2a796e19ffb1a5d925d63
[INFO] running `"docker" "start" "-a" "bb476c4aac1a5bb44d96e0ed941397518d9f6e04cee2a796e19ffb1a5d925d63"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-4638d2fd79bcec12
[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" "bb476c4aac1a5bb44d96e0ed941397518d9f6e04cee2a796e19ffb1a5d925d63"`
[INFO] running `"docker" "rm" "-f" "bb476c4aac1a5bb44d96e0ed941397518d9f6e04cee2a796e19ffb1a5d925d63"`
[INFO] [stdout] bb476c4aac1a5bb44d96e0ed941397518d9f6e04cee2a796e19ffb1a5d925d63