[INFO] updating cached repository joeywinsford/rust-guessing-game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/joeywinsford/rust-guessing-game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/joeywinsford/rust-guessing-game" "work/ex/beta-1.38-1/sources/1.37.0/gh/joeywinsford/rust-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/joeywinsford/rust-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/joeywinsford/rust-guessing-game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/joeywinsford/rust-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/joeywinsford/rust-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b3c73fc2c2bf7c50bff62a0f1943cde203a87ad5
[INFO] sha for GitHub repo joeywinsford/rust-guessing-game: b3c73fc2c2bf7c50bff62a0f1943cde203a87ad5
[INFO] validating manifest of joeywinsford/rust-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 joeywinsford/rust-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 joeywinsford/rust-guessing-game
[INFO] finished frobbing joeywinsford/rust-guessing-game
[INFO] frobbed toml for joeywinsford/rust-guessing-game written to work/ex/beta-1.38-1/sources/1.37.0/gh/joeywinsford/rust-guessing-game/Cargo.toml
[INFO] started frobbing joeywinsford/rust-guessing-game
[INFO] finished frobbing joeywinsford/rust-guessing-game
[INFO] frobbed toml for joeywinsford/rust-guessing-game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/joeywinsford/rust-guessing-game/Cargo.toml
[INFO] crate joeywinsford/rust-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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/joeywinsford/rust-guessing-game/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[INFO] the lockfile is outdated, regenerating it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 joeywinsford/rust-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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/joeywinsford/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] bca0a1e379ad68aab3b807ce89b79ead88ab34696d099a5616a7d1e0c1e8564f
[INFO] running `"docker" "start" "-a" "bca0a1e379ad68aab3b807ce89b79ead88ab34696d099a5616a7d1e0c1e8564f"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "bca0a1e379ad68aab3b807ce89b79ead88ab34696d099a5616a7d1e0c1e8564f"`
[INFO] running `"docker" "rm" "-f" "bca0a1e379ad68aab3b807ce89b79ead88ab34696d099a5616a7d1e0c1e8564f"`
[INFO] [stdout] bca0a1e379ad68aab3b807ce89b79ead88ab34696d099a5616a7d1e0c1e8564f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/joeywinsford/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 07fc88676b4d4b0e356f06a7c8d9b1f3b0da94d38a1bd2495bb22efac7991e98
[INFO] running `"docker" "start" "-a" "07fc88676b4d4b0e356f06a7c8d9b1f3b0da94d38a1bd2495bb22efac7991e98"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "07fc88676b4d4b0e356f06a7c8d9b1f3b0da94d38a1bd2495bb22efac7991e98"`
[INFO] running `"docker" "rm" "-f" "07fc88676b4d4b0e356f06a7c8d9b1f3b0da94d38a1bd2495bb22efac7991e98"`
[INFO] [stdout] 07fc88676b4d4b0e356f06a7c8d9b1f3b0da94d38a1bd2495bb22efac7991e98
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/joeywinsford/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] bbe2792e2be2198838990625565710cdb4b8b5ab496d49bd6e678407130841e1
[INFO] running `"docker" "start" "-a" "bbe2792e2be2198838990625565710cdb4b8b5ab496d49bd6e678407130841e1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-bb35a4df9ee8519d
[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" "bbe2792e2be2198838990625565710cdb4b8b5ab496d49bd6e678407130841e1"`
[INFO] running `"docker" "rm" "-f" "bbe2792e2be2198838990625565710cdb4b8b5ab496d49bd6e678407130841e1"`
[INFO] [stdout] bbe2792e2be2198838990625565710cdb4b8b5ab496d49bd6e678407130841e1