[INFO] updating cached repository https://github.com/jalc96/the_witness_cli_black_white_puzzle
[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] 0a9669cedc26040245c88b823c99a73c30d70968
[INFO] checking jalc96/the_witness_cli_black_white_puzzle against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjalc96%2Fthe_witness_cli_black_white_puzzle" "/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/jalc96/the_witness_cli_black_white_puzzle on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jalc96/the_witness_cli_black_white_puzzle
[INFO] finished tweaking git repo https://github.com/jalc96/the_witness_cli_black_white_puzzle
[INFO] tweaked toml for git repo https://github.com/jalc96/the_witness_cli_black_white_puzzle written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/jalc96/the_witness_cli_black_white_puzzle already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "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" "+d7b51666469c792a8a3f40849607739bae1e705e" "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] b930f8bb7477c865149df667f61694da6e8aa2d8db1723b6352407852d3d5bea
[INFO] running `"docker" "start" "-a" "b930f8bb7477c865149df667f61694da6e8aa2d8db1723b6352407852d3d5bea"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking console_the_witness v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::clone`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::clone;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::PartialEq`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::cmp::PartialEq;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `Position_2d` should have an upper camel case name
[INFO] [stderr]   --> src/main.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 | struct Position_2d {
[INFO] [stderr]    |        ^^^^^^^^^^^ help: convert the identifier to upper camel case: `Position2d`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:321:9
[INFO] [stderr]     |
[INFO] [stderr] 321 |         /// Reads a command from std io and trims it so it doesnt have \n symbol or kind of like that
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 322 |         let mut input = String::from("");
[INFO] [stderr]     |         --------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::clone`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::clone;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::PartialEq`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::cmp::PartialEq;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `Position_2d` should have an upper camel case name
[INFO] [stderr]   --> src/main.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 | struct Position_2d {
[INFO] [stderr]    |        ^^^^^^^^^^^ help: convert the identifier to upper camel case: `Position2d`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:321:9
[INFO] [stderr]     |
[INFO] [stderr] 321 |         /// Reads a command from std io and trims it so it doesnt have \n symbol or kind of like that
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 322 |         let mut input = String::from("");
[INFO] [stderr]     |         --------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `checked_positions`
[INFO] [stderr]    --> src/main.rs:191:13
[INFO] [stderr]     |
[INFO] [stderr] 191 |         let mut checked_positions: Vec<Position_2d> = Vec::new();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checked_positions`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:191:13
[INFO] [stderr]     |
[INFO] [stderr] 191 |         let mut checked_positions: Vec<Position_2d> = Vec::new();
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:551:21
[INFO] [stderr]     |
[INFO] [stderr] 551 |                 let mut current_position = board.player_current_position.borrow_mut();
[INFO] [stderr]     |                     ----^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `rollback_to_original`
[INFO] [stderr]   --> src/main.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn rollback_to_original(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `equals`
[INFO] [stderr]   --> src/main.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn equals(&self, other: Position_2d) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `show_command`
[INFO] [stderr]    --> src/main.rs:329:5
[INFO] [stderr]     |
[INFO] [stderr] 329 |     fn show_command(self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `checked_positions`
[INFO] [stderr]    --> src/main.rs:191:13
[INFO] [stderr]     |
[INFO] [stderr] 191 |         let mut checked_positions: Vec<Position_2d> = Vec::new();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checked_positions`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:191:13
[INFO] [stderr]     |
[INFO] [stderr] 191 |         let mut checked_positions: Vec<Position_2d> = Vec::new();
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:551:21
[INFO] [stderr]     |
[INFO] [stderr] 551 |                 let mut current_position = board.player_current_position.borrow_mut();
[INFO] [stderr]     |                     ----^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `rollback_to_original`
[INFO] [stderr]   --> src/main.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn rollback_to_original(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `equals`
[INFO] [stderr]   --> src/main.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn equals(&self, other: Position_2d) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `show_command`
[INFO] [stderr]    --> src/main.rs:329:5
[INFO] [stderr]     |
[INFO] [stderr] 329 |     fn show_command(self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "b930f8bb7477c865149df667f61694da6e8aa2d8db1723b6352407852d3d5bea"`
[INFO] running `"docker" "rm" "-f" "b930f8bb7477c865149df667f61694da6e8aa2d8db1723b6352407852d3d5bea"`
[INFO] [stdout] b930f8bb7477c865149df667f61694da6e8aa2d8db1723b6352407852d3d5bea