[INFO] updating cached repository justinjrussell/rust-guessing-game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/justinjrussell/rust-guessing-game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/justinjrussell/rust-guessing-game" "work/ex/beta-1.38-1/sources/1.37.0/gh/justinjrussell/rust-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/justinjrussell/rust-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/justinjrussell/rust-guessing-game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/justinjrussell/rust-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/justinjrussell/rust-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e06579517895b64979682f19e3e3dc1d79bb87b5
[INFO] sha for GitHub repo justinjrussell/rust-guessing-game: e06579517895b64979682f19e3e3dc1d79bb87b5
[INFO] validating manifest of justinjrussell/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 justinjrussell/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 justinjrussell/rust-guessing-game
[INFO] finished frobbing justinjrussell/rust-guessing-game
[INFO] frobbed toml for justinjrussell/rust-guessing-game written to work/ex/beta-1.38-1/sources/1.37.0/gh/justinjrussell/rust-guessing-game/Cargo.toml
[INFO] started frobbing justinjrussell/rust-guessing-game
[INFO] finished frobbing justinjrussell/rust-guessing-game
[INFO] frobbed toml for justinjrussell/rust-guessing-game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/justinjrussell/rust-guessing-game/Cargo.toml
[INFO] crate justinjrussell/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing justinjrussell/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-0/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/justinjrussell/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] b1c51d9f8a37c780b3fa0ed5f6b46188b32b18cc76d6a17abd0b41e566b6c503
[INFO] running `"docker" "start" "-a" "b1c51d9f8a37c780b3fa0ed5f6b46188b32b18cc76d6a17abd0b41e566b6c503"`
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `"docker" "inspect" "b1c51d9f8a37c780b3fa0ed5f6b46188b32b18cc76d6a17abd0b41e566b6c503"`
[INFO] running `"docker" "rm" "-f" "b1c51d9f8a37c780b3fa0ed5f6b46188b32b18cc76d6a17abd0b41e566b6c503"`
[INFO] [stdout] b1c51d9f8a37c780b3fa0ed5f6b46188b32b18cc76d6a17abd0b41e566b6c503
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/justinjrussell/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] 3db12410131b9067b393bcf86117fd170d57e9cc152ac5448993b146c23da904
[INFO] running `"docker" "start" "-a" "3db12410131b9067b393bcf86117fd170d57e9cc152ac5448993b146c23da904"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "3db12410131b9067b393bcf86117fd170d57e9cc152ac5448993b146c23da904"`
[INFO] running `"docker" "rm" "-f" "3db12410131b9067b393bcf86117fd170d57e9cc152ac5448993b146c23da904"`
[INFO] [stdout] 3db12410131b9067b393bcf86117fd170d57e9cc152ac5448993b146c23da904
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/justinjrussell/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] 855fea2f5382b67c13a40a239b1e1254494bfc11160e9fbae7bc6100ba062dd9
[INFO] running `"docker" "start" "-a" "855fea2f5382b67c13a40a239b1e1254494bfc11160e9fbae7bc6100ba062dd9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-fbe2cdee540e1d08
[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" "855fea2f5382b67c13a40a239b1e1254494bfc11160e9fbae7bc6100ba062dd9"`
[INFO] running `"docker" "rm" "-f" "855fea2f5382b67c13a40a239b1e1254494bfc11160e9fbae7bc6100ba062dd9"`
[INFO] [stdout] 855fea2f5382b67c13a40a239b1e1254494bfc11160e9fbae7bc6100ba062dd9