[INFO] updating cached repository fede1024/2048-rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/fede1024/2048-rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/fede1024/2048-rust" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/fede1024/2048-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/fede1024/2048-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/fede1024/2048-rust" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/fede1024/2048-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/fede1024/2048-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0384714d89e139523f78d1aa6302e45700b681f5 [INFO] sha for GitHub repo fede1024/2048-rust: 0384714d89e139523f78d1aa6302e45700b681f5 [INFO] validating manifest of fede1024/2048-rust on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of fede1024/2048-rust on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing fede1024/2048-rust [INFO] finished frobbing fede1024/2048-rust [INFO] frobbed toml for fede1024/2048-rust written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/fede1024/2048-rust/Cargo.toml [INFO] started frobbing fede1024/2048-rust [INFO] finished frobbing fede1024/2048-rust [INFO] frobbed toml for fede1024/2048-rust written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/fede1024/2048-rust/Cargo.toml [INFO] crate fede1024/2048-rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/fede1024/2048-rust/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" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking fede1024/2048-rust against master#0f88167f89fffe321590c5148f21b7d51d44388d for pr-58948 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-0/master#0f88167f89fffe321590c5148f21b7d51d44388d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/fede1024/2048-rust:/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=forbid" "-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" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] daec6cb02b735a25f00f154e80e84b48bd9ae9d63ffd3f0a9a2e41d6c4b7fba2 [INFO] running `"docker" "start" "-a" "daec6cb02b735a25f00f154e80e84b48bd9ae9d63ffd3f0a9a2e41d6c4b7fba2"` [INFO] [stderr] Checking 2048-rust v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error[E0446]: private type `world::line_world_16::LineWorld16Iter<'a>` in public interface [INFO] [stderr] --> src/world/line_world_16.rs:108:5 [INFO] [stderr] | [INFO] [stderr] 73 | struct LineWorld16Iter<'a> { [INFO] [stderr] | - `world::line_world_16::LineWorld16Iter<'a>` declared as private [INFO] [stderr] ... [INFO] [stderr] 108 | type Iter = LineWorld16Iter<'a>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type [INFO] [stderr] [INFO] [stderr] warning: private type `world::line_world_16::LineWorld16Iter<'a>` in public interface (error E0446) [INFO] [stderr] --> src/world/line_world_16.rs:132:5 [INFO] [stderr] | [INFO] [stderr] 132 | / fn iterate(&'a self) -> LineWorld16Iter<'a> { [INFO] [stderr] 133 | | LineWorld16Iter { [INFO] [stderr] 134 | | world: self, [INFO] [stderr] 135 | | count: 0, [INFO] [stderr] 136 | | } [INFO] [stderr] 137 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(private_in_public)] on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #34537 [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `HEmpty` [INFO] [stderr] --> src/main.rs:27:1 [INFO] [stderr] | [INFO] [stderr] 27 | struct HEmpty; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `HSum` [INFO] [stderr] --> src/main.rs:37:1 [INFO] [stderr] | [INFO] [stderr] 37 | struct HSum; [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 E0446`. [INFO] [stderr] error[E0446]: private type `world::line_world_16::LineWorld16Iter<'a>` in public interface [INFO] [stderr] --> src/world/line_world_16.rs:108:5 [INFO] [stderr] | [INFO] [stderr] 73 | struct LineWorld16Iter<'a> { [INFO] [stderr] | - `world::line_world_16::LineWorld16Iter<'a>` declared as private [INFO] [stderr] ... [INFO] [stderr] 108 | type Iter = LineWorld16Iter<'a>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type [INFO] [stderr] [INFO] [stderr] warning: private type `world::line_world_16::LineWorld16Iter<'a>` in public interface (error E0446) [INFO] [stderr] --> src/world/line_world_16.rs:132:5 [INFO] [stderr] | [INFO] [stderr] 132 | / fn iterate(&'a self) -> LineWorld16Iter<'a> { [INFO] [stderr] 133 | | LineWorld16Iter { [INFO] [stderr] 134 | | world: self, [INFO] [stderr] 135 | | count: 0, [INFO] [stderr] 136 | | } [INFO] [stderr] 137 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(private_in_public)] on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #34537 [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `HEmpty` [INFO] [stderr] --> src/main.rs:27:1 [INFO] [stderr] | [INFO] [stderr] 27 | struct HEmpty; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `HSum` [INFO] [stderr] --> src/main.rs:37:1 [INFO] [stderr] | [INFO] [stderr] 37 | struct HSum; [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 E0446`. [INFO] [stderr] error: Could not compile `2048-rust`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: Could not compile `2048-rust`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "daec6cb02b735a25f00f154e80e84b48bd9ae9d63ffd3f0a9a2e41d6c4b7fba2"` [INFO] running `"docker" "rm" "-f" "daec6cb02b735a25f00f154e80e84b48bd9ae9d63ffd3f0a9a2e41d6c4b7fba2"` [INFO] [stdout] daec6cb02b735a25f00f154e80e84b48bd9ae9d63ffd3f0a9a2e41d6c4b7fba2