[INFO] updating cached repository deepak/guessing-game.rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/deepak/guessing-game.rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/deepak/guessing-game.rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/deepak/guessing-game.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/deepak/guessing-game.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/deepak/guessing-game.rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/deepak/guessing-game.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/deepak/guessing-game.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1e57cae071c7af2b2537ab35c4695f6895176ed2
[INFO] sha for GitHub repo deepak/guessing-game.rs: 1e57cae071c7af2b2537ab35c4695f6895176ed2
[INFO] validating manifest of deepak/guessing-game.rs 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 deepak/guessing-game.rs 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 deepak/guessing-game.rs
[INFO] finished frobbing deepak/guessing-game.rs
[INFO] frobbed toml for deepak/guessing-game.rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/deepak/guessing-game.rs/Cargo.toml
[INFO] started frobbing deepak/guessing-game.rs
[INFO] finished frobbing deepak/guessing-game.rs
[INFO] frobbed toml for deepak/guessing-game.rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/deepak/guessing-game.rs/Cargo.toml
[INFO] crate deepak/guessing-game.rs 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/deepak/guessing-game.rs/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[INFO] the lockfile is outdated, regenerating it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 deepak/guessing-game.rs 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/deepak/guessing-game.rs:/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] 8ea7123a2a0cbb88fe4f7bb489868a5b790596cb36b52c5beee7a08b16ade9d2
[INFO] running `"docker" "start" "-a" "8ea7123a2a0cbb88fe4f7bb489868a5b790596cb36b52c5beee7a08b16ade9d2"`
[INFO] [stderr]    Compiling guessing-game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "8ea7123a2a0cbb88fe4f7bb489868a5b790596cb36b52c5beee7a08b16ade9d2"`
[INFO] running `"docker" "rm" "-f" "8ea7123a2a0cbb88fe4f7bb489868a5b790596cb36b52c5beee7a08b16ade9d2"`
[INFO] [stdout] 8ea7123a2a0cbb88fe4f7bb489868a5b790596cb36b52c5beee7a08b16ade9d2
[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/deepak/guessing-game.rs:/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] 7bcce66c3dc4d2cf1f65fdea6537cfcc40e6987556429903261581bf720b6a1d
[INFO] running `"docker" "start" "-a" "7bcce66c3dc4d2cf1f65fdea6537cfcc40e6987556429903261581bf720b6a1d"`
[INFO] [stderr]    Compiling guessing-game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "7bcce66c3dc4d2cf1f65fdea6537cfcc40e6987556429903261581bf720b6a1d"`
[INFO] running `"docker" "rm" "-f" "7bcce66c3dc4d2cf1f65fdea6537cfcc40e6987556429903261581bf720b6a1d"`
[INFO] [stdout] 7bcce66c3dc4d2cf1f65fdea6537cfcc40e6987556429903261581bf720b6a1d
[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/deepak/guessing-game.rs:/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] 3db1c98715bd91a59cc75016add98bafdbd4f7a3e8747db8fa1f59c38e6bc06b
[INFO] running `"docker" "start" "-a" "3db1c98715bd91a59cc75016add98bafdbd4f7a3e8747db8fa1f59c38e6bc06b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-d78253fd9ee1eb17
[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" "3db1c98715bd91a59cc75016add98bafdbd4f7a3e8747db8fa1f59c38e6bc06b"`
[INFO] running `"docker" "rm" "-f" "3db1c98715bd91a59cc75016add98bafdbd4f7a3e8747db8fa1f59c38e6bc06b"`
[INFO] [stdout] 3db1c98715bd91a59cc75016add98bafdbd4f7a3e8747db8fa1f59c38e6bc06b