[INFO] updating cached repository maryelizbeth/rust_guess
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/maryelizbeth/rust_guess
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/maryelizbeth/rust_guess" "work/ex/beta-1.38-1/sources/1.37.0/gh/maryelizbeth/rust_guess"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/maryelizbeth/rust_guess'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/maryelizbeth/rust_guess" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/maryelizbeth/rust_guess"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/maryelizbeth/rust_guess'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5358190e4ed3cdf6c081f1e1d62dd64a3d4344f1
[INFO] sha for GitHub repo maryelizbeth/rust_guess: 5358190e4ed3cdf6c081f1e1d62dd64a3d4344f1
[INFO] validating manifest of maryelizbeth/rust_guess 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 maryelizbeth/rust_guess 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 maryelizbeth/rust_guess
[INFO] finished frobbing maryelizbeth/rust_guess
[INFO] frobbed toml for maryelizbeth/rust_guess written to work/ex/beta-1.38-1/sources/1.37.0/gh/maryelizbeth/rust_guess/Cargo.toml
[INFO] started frobbing maryelizbeth/rust_guess
[INFO] finished frobbing maryelizbeth/rust_guess
[INFO] frobbed toml for maryelizbeth/rust_guess written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/maryelizbeth/rust_guess/Cargo.toml
[INFO] crate maryelizbeth/rust_guess 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] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/maryelizbeth/rust_guess/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[INFO] the lockfile is outdated, regenerating it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" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 maryelizbeth/rust_guess 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-1/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/maryelizbeth/rust_guess:/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] 7452ae8f9360d6761df977049c648b09318c6d121bd91afaf62e5df8238fbf8d
[INFO] running `"docker" "start" "-a" "7452ae8f9360d6761df977049c648b09318c6d121bd91afaf62e5df8238fbf8d"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "7452ae8f9360d6761df977049c648b09318c6d121bd91afaf62e5df8238fbf8d"`
[INFO] running `"docker" "rm" "-f" "7452ae8f9360d6761df977049c648b09318c6d121bd91afaf62e5df8238fbf8d"`
[INFO] [stdout] 7452ae8f9360d6761df977049c648b09318c6d121bd91afaf62e5df8238fbf8d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/maryelizbeth/rust_guess:/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] a2894de8687d01e7a1bb64def75a53bd8ddadf7a75435fc096b1588f65aaf140
[INFO] running `"docker" "start" "-a" "a2894de8687d01e7a1bb64def75a53bd8ddadf7a75435fc096b1588f65aaf140"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "a2894de8687d01e7a1bb64def75a53bd8ddadf7a75435fc096b1588f65aaf140"`
[INFO] running `"docker" "rm" "-f" "a2894de8687d01e7a1bb64def75a53bd8ddadf7a75435fc096b1588f65aaf140"`
[INFO] [stdout] a2894de8687d01e7a1bb64def75a53bd8ddadf7a75435fc096b1588f65aaf140
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/maryelizbeth/rust_guess:/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] d328d60d74e4112ead1698394cf947949b8b4c64be3d8c1bbf8fd63a423dcee2
[INFO] running `"docker" "start" "-a" "d328d60d74e4112ead1698394cf947949b8b4c64be3d8c1bbf8fd63a423dcee2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-d3b489c9cf77eea3
[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" "d328d60d74e4112ead1698394cf947949b8b4c64be3d8c1bbf8fd63a423dcee2"`
[INFO] running `"docker" "rm" "-f" "d328d60d74e4112ead1698394cf947949b8b4c64be3d8c1bbf8fd63a423dcee2"`
[INFO] [stdout] d328d60d74e4112ead1698394cf947949b8b4c64be3d8c1bbf8fd63a423dcee2