[INFO] updating cached repository silvanocerza/rust-book-guessing-game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/silvanocerza/rust-book-guessing-game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/silvanocerza/rust-book-guessing-game" "work/ex/beta-1.38-1/sources/1.37.0/gh/silvanocerza/rust-book-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/silvanocerza/rust-book-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/silvanocerza/rust-book-guessing-game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/silvanocerza/rust-book-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/silvanocerza/rust-book-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 422de929b202d7bfc6d766c6283cb7298eebd0e3
[INFO] sha for GitHub repo silvanocerza/rust-book-guessing-game: 422de929b202d7bfc6d766c6283cb7298eebd0e3
[INFO] validating manifest of silvanocerza/rust-book-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 silvanocerza/rust-book-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 silvanocerza/rust-book-guessing-game
[INFO] finished frobbing silvanocerza/rust-book-guessing-game
[INFO] frobbed toml for silvanocerza/rust-book-guessing-game written to work/ex/beta-1.38-1/sources/1.37.0/gh/silvanocerza/rust-book-guessing-game/Cargo.toml
[INFO] started frobbing silvanocerza/rust-book-guessing-game
[INFO] finished frobbing silvanocerza/rust-book-guessing-game
[INFO] frobbed toml for silvanocerza/rust-book-guessing-game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/silvanocerza/rust-book-guessing-game/Cargo.toml
[INFO] crate silvanocerza/rust-book-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 silvanocerza/rust-book-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-6/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/silvanocerza/rust-book-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] df78abdb05433f8400b79d8846595ce2ab65aa1e6ddb55d94132a04001ca7e1c
[INFO] running `"docker" "start" "-a" "df78abdb05433f8400b79d8846595ce2ab65aa1e6ddb55d94132a04001ca7e1c"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `"docker" "inspect" "df78abdb05433f8400b79d8846595ce2ab65aa1e6ddb55d94132a04001ca7e1c"`
[INFO] running `"docker" "rm" "-f" "df78abdb05433f8400b79d8846595ce2ab65aa1e6ddb55d94132a04001ca7e1c"`
[INFO] [stdout] df78abdb05433f8400b79d8846595ce2ab65aa1e6ddb55d94132a04001ca7e1c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/silvanocerza/rust-book-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] a25b9535d88a6fe1e10a37e1e77dc4ebed38eed5d0cad77571df676a1f2c12c7
[INFO] running `"docker" "start" "-a" "a25b9535d88a6fe1e10a37e1e77dc4ebed38eed5d0cad77571df676a1f2c12c7"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "a25b9535d88a6fe1e10a37e1e77dc4ebed38eed5d0cad77571df676a1f2c12c7"`
[INFO] running `"docker" "rm" "-f" "a25b9535d88a6fe1e10a37e1e77dc4ebed38eed5d0cad77571df676a1f2c12c7"`
[INFO] [stdout] a25b9535d88a6fe1e10a37e1e77dc4ebed38eed5d0cad77571df676a1f2c12c7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/silvanocerza/rust-book-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] 666aa439b89e68b873120b4495415970a50ff38355e58cf8b62195b26ec84775
[INFO] running `"docker" "start" "-a" "666aa439b89e68b873120b4495415970a50ff38355e58cf8b62195b26ec84775"`
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-31c577c0c4e316c3
[INFO] running `"docker" "inspect" "666aa439b89e68b873120b4495415970a50ff38355e58cf8b62195b26ec84775"`
[INFO] running `"docker" "rm" "-f" "666aa439b89e68b873120b4495415970a50ff38355e58cf8b62195b26ec84775"`
[INFO] [stdout] 666aa439b89e68b873120b4495415970a50ff38355e58cf8b62195b26ec84775