[INFO] updating cached repository marcgarreau/rust-guessing-game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/marcgarreau/rust-guessing-game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/marcgarreau/rust-guessing-game" "work/ex/beta-1.37-6/sources/1.36.0/gh/marcgarreau/rust-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/marcgarreau/rust-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/marcgarreau/rust-guessing-game" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/marcgarreau/rust-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/marcgarreau/rust-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c1d167b272546466d89b89d3a42949a192f3723e
[INFO] sha for GitHub repo marcgarreau/rust-guessing-game: c1d167b272546466d89b89d3a42949a192f3723e
[INFO] validating manifest of marcgarreau/rust-guessing-game 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 marcgarreau/rust-guessing-game 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 marcgarreau/rust-guessing-game
[INFO] finished frobbing marcgarreau/rust-guessing-game
[INFO] frobbed toml for marcgarreau/rust-guessing-game written to work/ex/beta-1.37-6/sources/1.36.0/gh/marcgarreau/rust-guessing-game/Cargo.toml
[INFO] started frobbing marcgarreau/rust-guessing-game
[INFO] finished frobbing marcgarreau/rust-guessing-game
[INFO] frobbed toml for marcgarreau/rust-guessing-game written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/marcgarreau/rust-guessing-game/Cargo.toml
[INFO] crate marcgarreau/rust-guessing-game 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/marcgarreau/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[INFO] the lockfile is outdated, regenerating it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" "+1.36.0" "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 marcgarreau/rust-guessing-game 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/marcgarreau/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 4d997b4dd179f8a5344eae2de4edb3d9153274978cace6ed8c6e7cd5b2825a16
[INFO] running `"docker" "start" "-a" "4d997b4dd179f8a5344eae2de4edb3d9153274978cace6ed8c6e7cd5b2825a16"`
[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" "4d997b4dd179f8a5344eae2de4edb3d9153274978cace6ed8c6e7cd5b2825a16"`
[INFO] running `"docker" "rm" "-f" "4d997b4dd179f8a5344eae2de4edb3d9153274978cace6ed8c6e7cd5b2825a16"`
[INFO] [stdout] 4d997b4dd179f8a5344eae2de4edb3d9153274978cace6ed8c6e7cd5b2825a16
[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/marcgarreau/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 652d912dd567cc8682bffc06981816fa46bb78c92f78317932fe4a49a4fa4f88
[INFO] running `"docker" "start" "-a" "652d912dd567cc8682bffc06981816fa46bb78c92f78317932fe4a49a4fa4f88"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "652d912dd567cc8682bffc06981816fa46bb78c92f78317932fe4a49a4fa4f88"`
[INFO] running `"docker" "rm" "-f" "652d912dd567cc8682bffc06981816fa46bb78c92f78317932fe4a49a4fa4f88"`
[INFO] [stdout] 652d912dd567cc8682bffc06981816fa46bb78c92f78317932fe4a49a4fa4f88
[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/marcgarreau/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 79c17350dbcb47e0e1f9b18c4be14a85eacc51fd34deedca62ac2612946b8773
[INFO] running `"docker" "start" "-a" "79c17350dbcb47e0e1f9b18c4be14a85eacc51fd34deedca62ac2612946b8773"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[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" "79c17350dbcb47e0e1f9b18c4be14a85eacc51fd34deedca62ac2612946b8773"`
[INFO] running `"docker" "rm" "-f" "79c17350dbcb47e0e1f9b18c4be14a85eacc51fd34deedca62ac2612946b8773"`
[INFO] [stdout] 79c17350dbcb47e0e1f9b18c4be14a85eacc51fd34deedca62ac2612946b8773