[INFO] updating cached repository https://github.com/J-esimo/ExampleNCursesRust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6cc81dc2b9b13dea5e663691eecd7449c11cb97d
[INFO] checking J-esimo/ExampleNCursesRust against try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJ-esimo%2FExampleNCursesRust" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/J-esimo/ExampleNCursesRust on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/J-esimo/ExampleNCursesRust
[INFO] finished tweaking git repo https://github.com/J-esimo/ExampleNCursesRust
[INFO] tweaked toml for git repo https://github.com/J-esimo/ExampleNCursesRust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/J-esimo/ExampleNCursesRust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 802df576ff3a2f5126ab31fbe6d1275d3c923fe132166a212377c804d0c06fb9
[INFO] running `"docker" "start" "-a" "802df576ff3a2f5126ab31fbe6d1275d3c923fe132166a212377c804d0c06fb9"`
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking GameOfLife v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0277]: the trait bound `u64: std::convert::From<char>` is not satisfied
[INFO] [stderr]   --> src/main.rs:33:30
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let space : chtype = chtype::from(' ');
[INFO] [stderr]    |                              ^^^^^^^^^^^^ the trait `std::convert::From<char>` is not implemented for `u64`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the following implementations were found:
[INFO] [stderr]              <u64 as std::convert::From<bool>>
[INFO] [stderr]              <u64 as std::convert::From<std::num::NonZeroU64>>
[INFO] [stderr]              <u64 as std::convert::From<u16>>
[INFO] [stderr]              <u64 as std::convert::From<u32>>
[INFO] [stderr]              <u64 as std::convert::From<u8>>
[INFO] [stderr]    = note: required by `std::convert::From::from`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `u64: std::convert::From<char>` is not satisfied
[INFO] [stderr]   --> src/main.rs:34:28
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let cell: chtype = chtype::from('0');
[INFO] [stderr]    |                            ^^^^^^^^^^^^ the trait `std::convert::From<char>` is not implemented for `u64`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the following implementations were found:
[INFO] [stderr]              <u64 as std::convert::From<bool>>
[INFO] [stderr]              <u64 as std::convert::From<std::num::NonZeroU64>>
[INFO] [stderr]              <u64 as std::convert::From<u16>>
[INFO] [stderr]              <u64 as std::convert::From<u32>>
[INFO] [stderr]              <u64 as std::convert::From<u8>>
[INFO] [stderr]    = note: required by `std::convert::From::from`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error[E0277]: the trait bound `u64: std::convert::From<char>` is not satisfied
[INFO] [stderr]   --> src/main.rs:33:30
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let space : chtype = chtype::from(' ');
[INFO] [stderr]    |                              ^^^^^^^^^^^^ the trait `std::convert::From<char>` is not implemented for `u64`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the following implementations were found:
[INFO] [stderr]              <u64 as std::convert::From<bool>>
[INFO] [stderr]              <u64 as std::convert::From<std::num::NonZeroU64>>
[INFO] [stderr]              <u64 as std::convert::From<u16>>
[INFO] [stderr]              <u64 as std::convert::From<u32>>
[INFO] [stderr]              <u64 as std::convert::From<u8>>
[INFO] [stderr]    = note: required by `std::convert::From::from`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `u64: std::convert::From<char>` is not satisfied
[INFO] [stderr]   --> src/main.rs:34:28
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let cell: chtype = chtype::from('0');
[INFO] [stderr]    |                            ^^^^^^^^^^^^ the trait `std::convert::From<char>` is not implemented for `u64`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the following implementations were found:
[INFO] [stderr]              <u64 as std::convert::From<bool>>
[INFO] [stderr]              <u64 as std::convert::From<std::num::NonZeroU64>>
[INFO] [stderr]              <u64 as std::convert::From<u16>>
[INFO] [stderr]              <u64 as std::convert::From<u32>>
[INFO] [stderr]              <u64 as std::convert::From<u8>>
[INFO] [stderr]    = note: required by `std::convert::From::from`
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `GameOfLife`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `GameOfLife`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "802df576ff3a2f5126ab31fbe6d1275d3c923fe132166a212377c804d0c06fb9"`
[INFO] running `"docker" "rm" "-f" "802df576ff3a2f5126ab31fbe6d1275d3c923fe132166a212377c804d0c06fb9"`
[INFO] [stdout] 802df576ff3a2f5126ab31fbe6d1275d3c923fe132166a212377c804d0c06fb9