[INFO] updating cached repository kjiakai/guessing-game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kjiakai/guessing-game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kjiakai/guessing-game" "work/ex/beta-1.38-1/sources/1.37.0/gh/kjiakai/guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kjiakai/guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kjiakai/guessing-game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kjiakai/guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kjiakai/guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 838314fb5cb79fc15338eb45360a8854336aaaa2
[INFO] sha for GitHub repo kjiakai/guessing-game: 838314fb5cb79fc15338eb45360a8854336aaaa2
[INFO] validating manifest of kjiakai/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 kjiakai/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 kjiakai/guessing-game
[INFO] finished frobbing kjiakai/guessing-game
[INFO] frobbed toml for kjiakai/guessing-game written to work/ex/beta-1.38-1/sources/1.37.0/gh/kjiakai/guessing-game/Cargo.toml
[INFO] started frobbing kjiakai/guessing-game
[INFO] finished frobbing kjiakai/guessing-game
[INFO] frobbed toml for kjiakai/guessing-game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kjiakai/guessing-game/Cargo.toml
[INFO] crate kjiakai/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 kjiakai/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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kjiakai/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] 51f0b24b82792c6ba96baa20bf541a6b99f45b1e28953aea235aa52a1f127c55
[INFO] running `"docker" "start" "-a" "51f0b24b82792c6ba96baa20bf541a6b99f45b1e28953aea235aa52a1f127c55"`
[INFO] [stderr]    Compiling libc v0.2.57
[INFO] [stderr]    Compiling rand v0.4.6
[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 5.37s
[INFO] running `"docker" "inspect" "51f0b24b82792c6ba96baa20bf541a6b99f45b1e28953aea235aa52a1f127c55"`
[INFO] running `"docker" "rm" "-f" "51f0b24b82792c6ba96baa20bf541a6b99f45b1e28953aea235aa52a1f127c55"`
[INFO] [stdout] 51f0b24b82792c6ba96baa20bf541a6b99f45b1e28953aea235aa52a1f127c55
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kjiakai/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] d905954a0575acd0bf4f544ad4f895bec79127ee731840e8b2524fe1bbb5eaa2
[INFO] running `"docker" "start" "-a" "d905954a0575acd0bf4f544ad4f895bec79127ee731840e8b2524fe1bbb5eaa2"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "d905954a0575acd0bf4f544ad4f895bec79127ee731840e8b2524fe1bbb5eaa2"`
[INFO] running `"docker" "rm" "-f" "d905954a0575acd0bf4f544ad4f895bec79127ee731840e8b2524fe1bbb5eaa2"`
[INFO] [stdout] d905954a0575acd0bf4f544ad4f895bec79127ee731840e8b2524fe1bbb5eaa2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kjiakai/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] cdb3b4f1c8b94a35b7aa47a54fa3e3c72f7a404ebb61853bf6471caeecf435ae
[INFO] running `"docker" "start" "-a" "cdb3b4f1c8b94a35b7aa47a54fa3e3c72f7a404ebb61853bf6471caeecf435ae"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-c447dd9d25b89cac
[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" "cdb3b4f1c8b94a35b7aa47a54fa3e3c72f7a404ebb61853bf6471caeecf435ae"`
[INFO] running `"docker" "rm" "-f" "cdb3b4f1c8b94a35b7aa47a54fa3e3c72f7a404ebb61853bf6471caeecf435ae"`
[INFO] [stdout] cdb3b4f1c8b94a35b7aa47a54fa3e3c72f7a404ebb61853bf6471caeecf435ae