[INFO] updating cached repository Guillaume-Mayer/dumbchess-rust-cli
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Guillaume-Mayer/dumbchess-rust-cli
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Guillaume-Mayer/dumbchess-rust-cli" "work/ex/beta-1.38-1/sources/1.37.0/gh/Guillaume-Mayer/dumbchess-rust-cli"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Guillaume-Mayer/dumbchess-rust-cli'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Guillaume-Mayer/dumbchess-rust-cli" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Guillaume-Mayer/dumbchess-rust-cli"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Guillaume-Mayer/dumbchess-rust-cli'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f0de4938ad56ef4e01be5b4933f8bbef11e5d303
[INFO] sha for GitHub repo Guillaume-Mayer/dumbchess-rust-cli: f0de4938ad56ef4e01be5b4933f8bbef11e5d303
[INFO] validating manifest of Guillaume-Mayer/dumbchess-rust-cli 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 Guillaume-Mayer/dumbchess-rust-cli 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 Guillaume-Mayer/dumbchess-rust-cli
[INFO] removed path dependency chess from Guillaume-Mayer/dumbchess-rust-cli
[INFO] finished frobbing Guillaume-Mayer/dumbchess-rust-cli
[INFO] frobbed toml for Guillaume-Mayer/dumbchess-rust-cli written to work/ex/beta-1.38-1/sources/1.37.0/gh/Guillaume-Mayer/dumbchess-rust-cli/Cargo.toml
[INFO] started frobbing Guillaume-Mayer/dumbchess-rust-cli
[INFO] removed path dependency chess from Guillaume-Mayer/dumbchess-rust-cli
[INFO] finished frobbing Guillaume-Mayer/dumbchess-rust-cli
[INFO] frobbed toml for Guillaume-Mayer/dumbchess-rust-cli written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Guillaume-Mayer/dumbchess-rust-cli/Cargo.toml
[INFO] crate Guillaume-Mayer/dumbchess-rust-cli 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]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Guillaume-Mayer/dumbchess-rust-cli/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 Guillaume-Mayer/dumbchess-rust-cli against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Guillaume-Mayer/dumbchess-rust-cli:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 0c17ee065b73ddb4986fa7ab7ab8cb6c883df5b51341ef79d2adc42e300ae84a
[INFO] running `"docker" "start" "-a" "0c17ee065b73ddb4986fa7ab7ab8cb6c883df5b51341ef79d2adc42e300ae84a"`
[INFO] [stderr] warning: dependency (chess) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cc v1.0.40
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling backtrace v0.3.35
[INFO] [stderr]    Compiling chess v3.1.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling client v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0603]: module `game` is private
[INFO] [stderr]  --> src/lib.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | use chess::game::Game;
[INFO] [stderr]   |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0603`.
[INFO] [stderr] error: Could not compile `client`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0c17ee065b73ddb4986fa7ab7ab8cb6c883df5b51341ef79d2adc42e300ae84a"`
[INFO] running `"docker" "rm" "-f" "0c17ee065b73ddb4986fa7ab7ab8cb6c883df5b51341ef79d2adc42e300ae84a"`
[INFO] [stdout] 0c17ee065b73ddb4986fa7ab7ab8cb6c883df5b51341ef79d2adc42e300ae84a