[INFO] updating cached repository potatogopher/rust-guessing-game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/potatogopher/rust-guessing-game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/potatogopher/rust-guessing-game" "work/ex/beta-1.38-1/sources/1.37.0/gh/potatogopher/rust-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/potatogopher/rust-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/potatogopher/rust-guessing-game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/potatogopher/rust-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/potatogopher/rust-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 30146aecce4c4d523023f424f6d6da602b175284
[INFO] sha for GitHub repo potatogopher/rust-guessing-game: 30146aecce4c4d523023f424f6d6da602b175284
[INFO] validating manifest of potatogopher/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 potatogopher/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 potatogopher/rust-guessing-game
[INFO] finished frobbing potatogopher/rust-guessing-game
[INFO] frobbed toml for potatogopher/rust-guessing-game written to work/ex/beta-1.38-1/sources/1.37.0/gh/potatogopher/rust-guessing-game/Cargo.toml
[INFO] started frobbing potatogopher/rust-guessing-game
[INFO] finished frobbing potatogopher/rust-guessing-game
[INFO] frobbed toml for potatogopher/rust-guessing-game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/potatogopher/rust-guessing-game/Cargo.toml
[INFO] crate potatogopher/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]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing potatogopher/rust-guessing-game 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-4/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/potatogopher/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 7511c26cd5d0e32ef7c15fd4fca1004f6298874d243041140a8c7756a2a0e59a
[INFO] running `"docker" "start" "-a" "7511c26cd5d0e32ef7c15fd4fca1004f6298874d243041140a8c7756a2a0e59a"`
[INFO] [stderr]    Compiling guessing-game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "7511c26cd5d0e32ef7c15fd4fca1004f6298874d243041140a8c7756a2a0e59a"`
[INFO] running `"docker" "rm" "-f" "7511c26cd5d0e32ef7c15fd4fca1004f6298874d243041140a8c7756a2a0e59a"`
[INFO] [stdout] 7511c26cd5d0e32ef7c15fd4fca1004f6298874d243041140a8c7756a2a0e59a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/potatogopher/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 55967abe041cd8c024e660fc584e2d0eb05f4cac60c289030c9def744805276b
[INFO] running `"docker" "start" "-a" "55967abe041cd8c024e660fc584e2d0eb05f4cac60c289030c9def744805276b"`
[INFO] [stderr]    Compiling guessing-game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "55967abe041cd8c024e660fc584e2d0eb05f4cac60c289030c9def744805276b"`
[INFO] running `"docker" "rm" "-f" "55967abe041cd8c024e660fc584e2d0eb05f4cac60c289030c9def744805276b"`
[INFO] [stdout] 55967abe041cd8c024e660fc584e2d0eb05f4cac60c289030c9def744805276b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/potatogopher/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 0085fbe28ec33b104390b98baa3febc4f96f4cdb721c2a0a895ed426da13e915
[INFO] running `"docker" "start" "-a" "0085fbe28ec33b104390b98baa3febc4f96f4cdb721c2a0a895ed426da13e915"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-6510c97354aa7c16
[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" "0085fbe28ec33b104390b98baa3febc4f96f4cdb721c2a0a895ed426da13e915"`
[INFO] running `"docker" "rm" "-f" "0085fbe28ec33b104390b98baa3febc4f96f4cdb721c2a0a895ed426da13e915"`
[INFO] [stdout] 0085fbe28ec33b104390b98baa3febc4f96f4cdb721c2a0a895ed426da13e915