[INFO] updating cached repository gyaresu/rust_guessing
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gyaresu/rust_guessing
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gyaresu/rust_guessing" "work/ex/beta-1.38-1/sources/1.37.0/gh/gyaresu/rust_guessing"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/gyaresu/rust_guessing'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gyaresu/rust_guessing" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gyaresu/rust_guessing"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gyaresu/rust_guessing'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 840c6a4b87d1ee3c476a38338e4fa246540f2f74
[INFO] sha for GitHub repo gyaresu/rust_guessing: 840c6a4b87d1ee3c476a38338e4fa246540f2f74
[INFO] validating manifest of gyaresu/rust_guessing 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 gyaresu/rust_guessing 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 gyaresu/rust_guessing
[INFO] finished frobbing gyaresu/rust_guessing
[INFO] frobbed toml for gyaresu/rust_guessing written to work/ex/beta-1.38-1/sources/1.37.0/gh/gyaresu/rust_guessing/Cargo.toml
[INFO] started frobbing gyaresu/rust_guessing
[INFO] finished frobbing gyaresu/rust_guessing
[INFO] frobbed toml for gyaresu/rust_guessing written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gyaresu/rust_guessing/Cargo.toml
[INFO] crate gyaresu/rust_guessing 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] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/gyaresu/rust_guessing/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 gyaresu/rust_guessing 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-6/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/gyaresu/rust_guessing:/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] b3b5cb5a645206d5ea6da9ab6c020af78e56c16f119302c282ac9a109c42a6d9
[INFO] running `"docker" "start" "-a" "b3b5cb5a645206d5ea6da9ab6c020af78e56c16f119302c282ac9a109c42a6d9"`
[INFO] [stderr]    Compiling rust_guessing v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "b3b5cb5a645206d5ea6da9ab6c020af78e56c16f119302c282ac9a109c42a6d9"`
[INFO] running `"docker" "rm" "-f" "b3b5cb5a645206d5ea6da9ab6c020af78e56c16f119302c282ac9a109c42a6d9"`
[INFO] [stdout] b3b5cb5a645206d5ea6da9ab6c020af78e56c16f119302c282ac9a109c42a6d9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/gyaresu/rust_guessing:/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] f83033ec2713d130d34a25024e02980acb3f7e44b15387317b3d9501ed3722f0
[INFO] running `"docker" "start" "-a" "f83033ec2713d130d34a25024e02980acb3f7e44b15387317b3d9501ed3722f0"`
[INFO] [stderr]    Compiling rust_guessing v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "f83033ec2713d130d34a25024e02980acb3f7e44b15387317b3d9501ed3722f0"`
[INFO] running `"docker" "rm" "-f" "f83033ec2713d130d34a25024e02980acb3f7e44b15387317b3d9501ed3722f0"`
[INFO] [stdout] f83033ec2713d130d34a25024e02980acb3f7e44b15387317b3d9501ed3722f0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/gyaresu/rust_guessing:/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] 81d15ccf0b5fd96fe023d63fc6cf96c8fc87393ce6a1c87fba2e76564746de72
[INFO] running `"docker" "start" "-a" "81d15ccf0b5fd96fe023d63fc6cf96c8fc87393ce6a1c87fba2e76564746de72"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_guessing-27375ae54d47771b
[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" "81d15ccf0b5fd96fe023d63fc6cf96c8fc87393ce6a1c87fba2e76564746de72"`
[INFO] running `"docker" "rm" "-f" "81d15ccf0b5fd96fe023d63fc6cf96c8fc87393ce6a1c87fba2e76564746de72"`
[INFO] [stdout] 81d15ccf0b5fd96fe023d63fc6cf96c8fc87393ce6a1c87fba2e76564746de72