[INFO] updating cached repository cystark/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cystark/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cystark/guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/cystark/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/cystark/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cystark/guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cystark/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cystark/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 412d130995f5459111f7288f51e97a0786974cf2
[INFO] sha for GitHub repo cystark/guessing_game: 412d130995f5459111f7288f51e97a0786974cf2
[INFO] validating manifest of cystark/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 cystark/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 cystark/guessing_game
[INFO] finished frobbing cystark/guessing_game
[INFO] frobbed toml for cystark/guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/cystark/guessing_game/Cargo.toml
[INFO] started frobbing cystark/guessing_game
[INFO] finished frobbing cystark/guessing_game
[INFO] frobbed toml for cystark/guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cystark/guessing_game/Cargo.toml
[INFO] crate cystark/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 cystark/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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cystark/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] 1c5e4a44881ec2a5aa14866af4293089014861729eefabe794469aa5850e04c7
[INFO] running `"docker" "start" "-a" "1c5e4a44881ec2a5aa14866af4293089014861729eefabe794469aa5850e04c7"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "1c5e4a44881ec2a5aa14866af4293089014861729eefabe794469aa5850e04c7"`
[INFO] running `"docker" "rm" "-f" "1c5e4a44881ec2a5aa14866af4293089014861729eefabe794469aa5850e04c7"`
[INFO] [stdout] 1c5e4a44881ec2a5aa14866af4293089014861729eefabe794469aa5850e04c7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cystark/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] 373f340e6a861ceddd4f3d0e9d5e6540021ac2ea68b9259770903884a7c7d5a2
[INFO] running `"docker" "start" "-a" "373f340e6a861ceddd4f3d0e9d5e6540021ac2ea68b9259770903884a7c7d5a2"`
[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" "373f340e6a861ceddd4f3d0e9d5e6540021ac2ea68b9259770903884a7c7d5a2"`
[INFO] running `"docker" "rm" "-f" "373f340e6a861ceddd4f3d0e9d5e6540021ac2ea68b9259770903884a7c7d5a2"`
[INFO] [stdout] 373f340e6a861ceddd4f3d0e9d5e6540021ac2ea68b9259770903884a7c7d5a2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cystark/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] 6cb8252e0cb5d13a2e6756d9414466e75b9fb4db154b06429ebeb4054c52044b
[INFO] running `"docker" "start" "-a" "6cb8252e0cb5d13a2e6756d9414466e75b9fb4db154b06429ebeb4054c52044b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-0b40dc66160f992c
[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" "6cb8252e0cb5d13a2e6756d9414466e75b9fb4db154b06429ebeb4054c52044b"`
[INFO] running `"docker" "rm" "-f" "6cb8252e0cb5d13a2e6756d9414466e75b9fb4db154b06429ebeb4054c52044b"`
[INFO] [stdout] 6cb8252e0cb5d13a2e6756d9414466e75b9fb4db154b06429ebeb4054c52044b