[INFO] updating cached repository samjulien/rust_guessinggame
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/samjulien/rust_guessinggame
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/samjulien/rust_guessinggame" "work/ex/beta-1.37-6/sources/1.36.0/gh/samjulien/rust_guessinggame"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/samjulien/rust_guessinggame'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/samjulien/rust_guessinggame" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/samjulien/rust_guessinggame"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/samjulien/rust_guessinggame'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5d468decf6cda8edecf4a457c6de6ccbf520356c
[INFO] sha for GitHub repo samjulien/rust_guessinggame: 5d468decf6cda8edecf4a457c6de6ccbf520356c
[INFO] validating manifest of samjulien/rust_guessinggame on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of samjulien/rust_guessinggame on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing samjulien/rust_guessinggame
[INFO] finished frobbing samjulien/rust_guessinggame
[INFO] frobbed toml for samjulien/rust_guessinggame written to work/ex/beta-1.37-6/sources/1.36.0/gh/samjulien/rust_guessinggame/Cargo.toml
[INFO] started frobbing samjulien/rust_guessinggame
[INFO] finished frobbing samjulien/rust_guessinggame
[INFO] frobbed toml for samjulien/rust_guessinggame written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/samjulien/rust_guessinggame/Cargo.toml
[INFO] crate samjulien/rust_guessinggame already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/samjulien/rust_guessinggame/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[INFO] the lockfile is outdated, regenerating it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" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing samjulien/rust_guessinggame against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/samjulien/rust_guessinggame:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 83e1c12d711ff632f170a2481fb797fafeff0cab330997658b261b81f8f66270
[INFO] running `"docker" "start" "-a" "83e1c12d711ff632f170a2481fb797fafeff0cab330997658b261b81f8f66270"`
[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" "83e1c12d711ff632f170a2481fb797fafeff0cab330997658b261b81f8f66270"`
[INFO] running `"docker" "rm" "-f" "83e1c12d711ff632f170a2481fb797fafeff0cab330997658b261b81f8f66270"`
[INFO] [stdout] 83e1c12d711ff632f170a2481fb797fafeff0cab330997658b261b81f8f66270
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/samjulien/rust_guessinggame:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] bb4c0f1d529a0fa19d27071826d7a5eff225541ddb49b7527d6780d240bbfb0e
[INFO] running `"docker" "start" "-a" "bb4c0f1d529a0fa19d27071826d7a5eff225541ddb49b7527d6780d240bbfb0e"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "bb4c0f1d529a0fa19d27071826d7a5eff225541ddb49b7527d6780d240bbfb0e"`
[INFO] running `"docker" "rm" "-f" "bb4c0f1d529a0fa19d27071826d7a5eff225541ddb49b7527d6780d240bbfb0e"`
[INFO] [stdout] bb4c0f1d529a0fa19d27071826d7a5eff225541ddb49b7527d6780d240bbfb0e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/samjulien/rust_guessinggame:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 58f1924b80b0c917ab89dde39a1eb30080913d67731db8ab2f59ecc8bdd762da
[INFO] running `"docker" "start" "-a" "58f1924b80b0c917ab89dde39a1eb30080913d67731db8ab2f59ecc8bdd762da"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-e6d3c22e39ae6a54
[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" "58f1924b80b0c917ab89dde39a1eb30080913d67731db8ab2f59ecc8bdd762da"`
[INFO] running `"docker" "rm" "-f" "58f1924b80b0c917ab89dde39a1eb30080913d67731db8ab2f59ecc8bdd762da"`
[INFO] [stdout] 58f1924b80b0c917ab89dde39a1eb30080913d67731db8ab2f59ecc8bdd762da