[INFO] updating cached repository https://github.com/robinfriedli/rusty_snake
[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] 3e8e75f32f206ed97a145730eb25823df7759aaf
[INFO] checking robinfriedli/rusty_snake against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobinfriedli%2Frusty_snake" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/robinfriedli/rusty_snake on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/robinfriedli/rusty_snake
[INFO] finished tweaking git repo https://github.com/robinfriedli/rusty_snake
[INFO] tweaked toml for git repo https://github.com/robinfriedli/rusty_snake written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/robinfriedli/rusty_snake already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "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] f617d6d2a2c85fd45c36967dff7b14b06e2ffbef24c90a3f304b3f24de770848
[INFO] running `"docker" "start" "-a" "f617d6d2a2c85fd45c36967dff7b14b06e2ffbef24c90a3f304b3f24de770848"`
[INFO] [stderr]     Checking atomic_refcell v0.1.5
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking completable_future v0.1.0
[INFO] [stderr]     Checking quick-xml v0.17.1
[INFO] [stderr]     Checking rusty_snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:174:23
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 addch(WALL_SYMBOL as u32);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       expected `u64`, found `u32`
[INFO] [stderr]     |                       help: you can convert an `u32` to `u64`: `(WALL_SYMBOL as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:176:23
[INFO] [stderr]     |
[INFO] [stderr] 176 |                 addch(HEAD_SYMBOL as u32);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       expected `u64`, found `u32`
[INFO] [stderr]     |                       help: you can convert an `u32` to `u64`: `(HEAD_SYMBOL as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:178:23
[INFO] [stderr]     |
[INFO] [stderr] 178 |                 addch(FRUIT_SYMBOL as u32);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       expected `u64`, found `u32`
[INFO] [stderr]     |                       help: you can convert an `u32` to `u64`: `(FRUIT_SYMBOL as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:180:23
[INFO] [stderr]     |
[INFO] [stderr] 180 |                 addch(TAIL_SYMBOL as u32);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       expected `u64`, found `u32`
[INFO] [stderr]     |                       help: you can convert an `u32` to `u64`: `(TAIL_SYMBOL as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:182:23
[INFO] [stderr]     |
[INFO] [stderr] 182 |                 addch(' ' as u32);
[INFO] [stderr]     |                       ^^^^^^^^^^
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       expected `u64`, found `u32`
[INFO] [stderr]     |                       help: you can convert an `u32` to `u64`: `(' ' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:186:15
[INFO] [stderr]     |
[INFO] [stderr] 186 |         addch('\n' as u32);
[INFO] [stderr]     |               ^^^^^^^^^^^
[INFO] [stderr]     |               |
[INFO] [stderr]     |               expected `u64`, found `u32`
[INFO] [stderr]     |               help: you can convert an `u32` to `u64`: `('\n' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:188:11
[INFO] [stderr]     |
[INFO] [stderr] 188 |     addch('\n' as u32);
[INFO] [stderr]     |           ^^^^^^^^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           expected `u64`, found `u32`
[INFO] [stderr]     |           help: you can convert an `u32` to `u64`: `('\n' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:190:11
[INFO] [stderr]     |
[INFO] [stderr] 190 |     addch('\n' as u32);
[INFO] [stderr]     |           ^^^^^^^^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           expected `u64`, found `u32`
[INFO] [stderr]     |           help: you can convert an `u32` to `u64`: `('\n' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:192:11
[INFO] [stderr]     |
[INFO] [stderr] 192 |     addch('\n' as u32);
[INFO] [stderr]     |           ^^^^^^^^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           expected `u64`, found `u32`
[INFO] [stderr]     |           help: you can convert an `u32` to `u64`: `('\n' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:194:11
[INFO] [stderr]     |
[INFO] [stderr] 194 |     addch('\n' as u32);
[INFO] [stderr]     |           ^^^^^^^^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           expected `u64`, found `u32`
[INFO] [stderr]     |           help: you can convert an `u32` to `u64`: `('\n' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:196:11
[INFO] [stderr]     |
[INFO] [stderr] 196 |     addch('\n' as u32);
[INFO] [stderr]     |           ^^^^^^^^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           expected `u64`, found `u32`
[INFO] [stderr]     |           help: you can convert an `u32` to `u64`: `('\n' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:199:11
[INFO] [stderr]     |
[INFO] [stderr] 199 |     addch('\n' as u32);
[INFO] [stderr]     |           ^^^^^^^^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           expected `u64`, found `u32`
[INFO] [stderr]     |           help: you can convert an `u32` to `u64`: `('\n' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:224:39
[INFO] [stderr]     |
[INFO] [stderr] 224 | ...                   addch('\n' as u32);
[INFO] [stderr]     |                             ^^^^^^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             expected `u64`, found `u32`
[INFO] [stderr]     |                             help: you can convert an `u32` to `u64`: `('\n' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:233:31
[INFO] [stderr]     |
[INFO] [stderr] 233 |                         addch('\n' as u32);
[INFO] [stderr]     |                               ^^^^^^^^^^^
[INFO] [stderr]     |                               |
[INFO] [stderr]     |                               expected `u64`, found `u32`
[INFO] [stderr]     |                               help: you can convert an `u32` to `u64`: `('\n' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:242:23
[INFO] [stderr]     |
[INFO] [stderr] 242 |                 addch('\n' as u32);
[INFO] [stderr]     |                       ^^^^^^^^^^^
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       expected `u64`, found `u32`
[INFO] [stderr]     |                       help: you can convert an `u32` to `u64`: `('\n' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:248:11
[INFO] [stderr]     |
[INFO] [stderr] 248 |     addch('\n' as u32);
[INFO] [stderr]     |           ^^^^^^^^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           expected `u64`, found `u32`
[INFO] [stderr]     |           help: you can convert an `u32` to `u64`: `('\n' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:257:11
[INFO] [stderr]     |
[INFO] [stderr] 257 |     addch('\n' as u32);
[INFO] [stderr]     |           ^^^^^^^^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           expected `u64`, found `u32`
[INFO] [stderr]     |           help: you can convert an `u32` to `u64`: `('\n' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:259:11
[INFO] [stderr]     |
[INFO] [stderr] 259 |     addch('\n' as u32);
[INFO] [stderr]     |           ^^^^^^^^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           expected `u64`, found `u32`
[INFO] [stderr]     |           help: you can convert an `u32` to `u64`: `('\n' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:261:11
[INFO] [stderr]     |
[INFO] [stderr] 261 |     addch('\n' as u32);
[INFO] [stderr]     |           ^^^^^^^^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           expected `u64`, found `u32`
[INFO] [stderr]     |           help: you can convert an `u32` to `u64`: `('\n' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:263:11
[INFO] [stderr]     |
[INFO] [stderr] 263 |     addch('\n' as u32);
[INFO] [stderr]     |           ^^^^^^^^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           expected `u64`, found `u32`
[INFO] [stderr]     |           help: you can convert an `u32` to `u64`: `('\n' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 20 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `rusty_snake`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:174:23
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 addch(WALL_SYMBOL as u32);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       expected `u64`, found `u32`
[INFO] [stderr]     |                       help: you can convert an `u32` to `u64`: `(WALL_SYMBOL as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:176:23
[INFO] [stderr]     |
[INFO] [stderr] 176 |                 addch(HEAD_SYMBOL as u32);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       expected `u64`, found `u32`
[INFO] [stderr]     |                       help: you can convert an `u32` to `u64`: `(HEAD_SYMBOL as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:178:23
[INFO] [stderr]     |
[INFO] [stderr] 178 |                 addch(FRUIT_SYMBOL as u32);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       expected `u64`, found `u32`
[INFO] [stderr]     |                       help: you can convert an `u32` to `u64`: `(FRUIT_SYMBOL as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:180:23
[INFO] [stderr]     |
[INFO] [stderr] 180 |                 addch(TAIL_SYMBOL as u32);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       expected `u64`, found `u32`
[INFO] [stderr]     |                       help: you can convert an `u32` to `u64`: `(TAIL_SYMBOL as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:182:23
[INFO] [stderr]     |
[INFO] [stderr] 182 |                 addch(' ' as u32);
[INFO] [stderr]     |                       ^^^^^^^^^^
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       expected `u64`, found `u32`
[INFO] [stderr]     |                       help: you can convert an `u32` to `u64`: `(' ' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:186:15
[INFO] [stderr]     |
[INFO] [stderr] 186 |         addch('\n' as u32);
[INFO] [stderr]     |               ^^^^^^^^^^^
[INFO] [stderr]     |               |
[INFO] [stderr]     |               expected `u64`, found `u32`
[INFO] [stderr]     |               help: you can convert an `u32` to `u64`: `('\n' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:188:11
[INFO] [stderr]     |
[INFO] [stderr] 188 |     addch('\n' as u32);
[INFO] [stderr]     |           ^^^^^^^^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           expected `u64`, found `u32`
[INFO] [stderr]     |           help: you can convert an `u32` to `u64`: `('\n' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:190:11
[INFO] [stderr]     |
[INFO] [stderr] 190 |     addch('\n' as u32);
[INFO] [stderr]     |           ^^^^^^^^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           expected `u64`, found `u32`
[INFO] [stderr]     |           help: you can convert an `u32` to `u64`: `('\n' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:192:11
[INFO] [stderr]     |
[INFO] [stderr] 192 |     addch('\n' as u32);
[INFO] [stderr]     |           ^^^^^^^^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           expected `u64`, found `u32`
[INFO] [stderr]     |           help: you can convert an `u32` to `u64`: `('\n' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:194:11
[INFO] [stderr]     |
[INFO] [stderr] 194 |     addch('\n' as u32);
[INFO] [stderr]     |           ^^^^^^^^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           expected `u64`, found `u32`
[INFO] [stderr]     |           help: you can convert an `u32` to `u64`: `('\n' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:196:11
[INFO] [stderr]     |
[INFO] [stderr] 196 |     addch('\n' as u32);
[INFO] [stderr]     |           ^^^^^^^^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           expected `u64`, found `u32`
[INFO] [stderr]     |           help: you can convert an `u32` to `u64`: `('\n' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:199:11
[INFO] [stderr]     |
[INFO] [stderr] 199 |     addch('\n' as u32);
[INFO] [stderr]     |           ^^^^^^^^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           expected `u64`, found `u32`
[INFO] [stderr]     |           help: you can convert an `u32` to `u64`: `('\n' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:224:39
[INFO] [stderr]     |
[INFO] [stderr] 224 | ...                   addch('\n' as u32);
[INFO] [stderr]     |                             ^^^^^^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             expected `u64`, found `u32`
[INFO] [stderr]     |                             help: you can convert an `u32` to `u64`: `('\n' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:233:31
[INFO] [stderr]     |
[INFO] [stderr] 233 |                         addch('\n' as u32);
[INFO] [stderr]     |                               ^^^^^^^^^^^
[INFO] [stderr]     |                               |
[INFO] [stderr]     |                               expected `u64`, found `u32`
[INFO] [stderr]     |                               help: you can convert an `u32` to `u64`: `('\n' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:242:23
[INFO] [stderr]     |
[INFO] [stderr] 242 |                 addch('\n' as u32);
[INFO] [stderr]     |                       ^^^^^^^^^^^
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       expected `u64`, found `u32`
[INFO] [stderr]     |                       help: you can convert an `u32` to `u64`: `('\n' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:248:11
[INFO] [stderr]     |
[INFO] [stderr] 248 |     addch('\n' as u32);
[INFO] [stderr]     |           ^^^^^^^^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           expected `u64`, found `u32`
[INFO] [stderr]     |           help: you can convert an `u32` to `u64`: `('\n' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:257:11
[INFO] [stderr]     |
[INFO] [stderr] 257 |     addch('\n' as u32);
[INFO] [stderr]     |           ^^^^^^^^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           expected `u64`, found `u32`
[INFO] [stderr]     |           help: you can convert an `u32` to `u64`: `('\n' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:259:11
[INFO] [stderr]     |
[INFO] [stderr] 259 |     addch('\n' as u32);
[INFO] [stderr]     |           ^^^^^^^^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           expected `u64`, found `u32`
[INFO] [stderr]     |           help: you can convert an `u32` to `u64`: `('\n' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:261:11
[INFO] [stderr]     |
[INFO] [stderr] 261 |     addch('\n' as u32);
[INFO] [stderr]     |           ^^^^^^^^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           expected `u64`, found `u32`
[INFO] [stderr]     |           help: you can convert an `u32` to `u64`: `('\n' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:263:11
[INFO] [stderr]     |
[INFO] [stderr] 263 |     addch('\n' as u32);
[INFO] [stderr]     |           ^^^^^^^^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           expected `u64`, found `u32`
[INFO] [stderr]     |           help: you can convert an `u32` to `u64`: `('\n' as u32).into()`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 20 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `rusty_snake`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f617d6d2a2c85fd45c36967dff7b14b06e2ffbef24c90a3f304b3f24de770848"`
[INFO] running `"docker" "rm" "-f" "f617d6d2a2c85fd45c36967dff7b14b06e2ffbef24c90a3f304b3f24de770848"`
[INFO] [stdout] f617d6d2a2c85fd45c36967dff7b14b06e2ffbef24c90a3f304b3f24de770848