[INFO] updating cached repository cheeeeee/rust_guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cheeeeee/rust_guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cheeeeee/rust_guessing_game" "work/ex/beta-1.37-6/sources/1.36.0/gh/cheeeeee/rust_guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/cheeeeee/rust_guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cheeeeee/rust_guessing_game" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cheeeeee/rust_guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cheeeeee/rust_guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 68d325c72f9994430391e8b3cd1befc042232844
[INFO] sha for GitHub repo cheeeeee/rust_guessing_game: 68d325c72f9994430391e8b3cd1befc042232844
[INFO] validating manifest of cheeeeee/rust_guessing_game on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cheeeeee/rust_guessing_game on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cheeeeee/rust_guessing_game
[INFO] finished frobbing cheeeeee/rust_guessing_game
[INFO] frobbed toml for cheeeeee/rust_guessing_game written to work/ex/beta-1.37-6/sources/1.36.0/gh/cheeeeee/rust_guessing_game/Cargo.toml
[INFO] started frobbing cheeeeee/rust_guessing_game
[INFO] finished frobbing cheeeeee/rust_guessing_game
[INFO] frobbed toml for cheeeeee/rust_guessing_game written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cheeeeee/rust_guessing_game/Cargo.toml
[INFO] crate cheeeeee/rust_guessing_game already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing cheeeeee/rust_guessing_game against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cheeeeee/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 4fb41410b8f4d15e92c3f0d171c535821ce22b267acff90e310f571fe7e58ede
[INFO] running `"docker" "start" "-a" "4fb41410b8f4d15e92c3f0d171c535821ce22b267acff90e310f571fe7e58ede"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand v0.5.1
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.06s
[INFO] running `"docker" "inspect" "4fb41410b8f4d15e92c3f0d171c535821ce22b267acff90e310f571fe7e58ede"`
[INFO] running `"docker" "rm" "-f" "4fb41410b8f4d15e92c3f0d171c535821ce22b267acff90e310f571fe7e58ede"`
[INFO] [stdout] 4fb41410b8f4d15e92c3f0d171c535821ce22b267acff90e310f571fe7e58ede
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cheeeeee/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] afda386c8a237de92f9c1f1898e0310b7ef643e3c0630aece43966c68de46001
[INFO] running `"docker" "start" "-a" "afda386c8a237de92f9c1f1898e0310b7ef643e3c0630aece43966c68de46001"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "afda386c8a237de92f9c1f1898e0310b7ef643e3c0630aece43966c68de46001"`
[INFO] running `"docker" "rm" "-f" "afda386c8a237de92f9c1f1898e0310b7ef643e3c0630aece43966c68de46001"`
[INFO] [stdout] afda386c8a237de92f9c1f1898e0310b7ef643e3c0630aece43966c68de46001
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cheeeeee/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 24037572b199509e064f2c6e3d2dbc922a1ea3e2df2b73eca61252d377dd485e
[INFO] running `"docker" "start" "-a" "24037572b199509e064f2c6e3d2dbc922a1ea3e2df2b73eca61252d377dd485e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-fbe8ac63804ab1de
[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" "24037572b199509e064f2c6e3d2dbc922a1ea3e2df2b73eca61252d377dd485e"`
[INFO] running `"docker" "rm" "-f" "24037572b199509e064f2c6e3d2dbc922a1ea3e2df2b73eca61252d377dd485e"`
[INFO] [stdout] 24037572b199509e064f2c6e3d2dbc922a1ea3e2df2b73eca61252d377dd485e