[INFO] updating cached repository https://github.com/ArthurMatthys/Gomoku
[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] [stderr] From https://github.com/ArthurMatthys/Gomoku
[INFO] [stderr]    9df0d2e..183d010  bases      -> bases
[INFO] [stderr]    e6079f7..a6bb471  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a6bb4716786dfb13dc0af934db9c43ab997d5e03
[INFO] checking ArthurMatthys/Gomoku against master#6d69caba110c0c2fb90180df1cbc8be5033b91d4 for pr-69530
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArthurMatthys%2FGomoku" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ArthurMatthys/Gomoku on toolchain 6d69caba110c0c2fb90180df1cbc8be5033b91d4
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ArthurMatthys/Gomoku
[INFO] finished tweaking git repo https://github.com/ArthurMatthys/Gomoku
[INFO] tweaked toml for git repo https://github.com/ArthurMatthys/Gomoku written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ArthurMatthys/Gomoku already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 70b3ab30fbdefcf3ea2cdbf355c2a307f3aa84577699650f13fd72c33d01ae36
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "70b3ab30fbdefcf3ea2cdbf355c2a307f3aa84577699650f13fd72c33d01ae36"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling sdl2 v0.34.0
[INFO] [stderr]     Checking os_str_bytes v2.2.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking array_tool v1.0.3
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling sdl2-sys v0.34.0
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1 (https://github.com/clap-rs/clap/#5b9dbee5)
[INFO] [stderr]     Checking clap v3.0.0-beta.1 (https://github.com/clap-rs/clap/#5b9dbee5)
[INFO] [stderr]     Checking gomoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `super::valid_pos`
[INFO] [stderr]  --> src/checks/double_three.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use super::valid_pos;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::valid_pos`
[INFO] [stderr]  --> src/checks/double_three.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use super::valid_pos;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `count_again_until_none_or_curr_position`
[INFO] [stderr]  --> src/checks/double_three.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn count_again_until_none_or_curr_position(
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `free_three_present_at_index`
[INFO] [stderr]   --> src/checks/double_three.rs:32:4
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn free_three_present_at_index(
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `index_available`
[INFO] [stderr]   --> src/checks/double_three.rs:95:4
[INFO] [stderr]    |
[INFO] [stderr] 95 | fn index_available(
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `double_three_present`
[INFO] [stderr]    --> src/checks/double_three.rs:166:4
[INFO] [stderr]     |
[INFO] [stderr] 166 | fn double_three_present(
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `forbidden_indexes`
[INFO] [stderr]    --> src/checks/double_three.rs:183:8
[INFO] [stderr]     |
[INFO] [stderr] 183 | pub fn forbidden_indexes(game: &game::Game) -> Option<Vec<usize>> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `count_again_until_none_or_curr_position`
[INFO] [stderr]  --> src/checks/double_three.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn count_again_until_none_or_curr_position(
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `free_three_present_at_index`
[INFO] [stderr]   --> src/checks/double_three.rs:32:4
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn free_three_present_at_index(
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `index_available`
[INFO] [stderr]   --> src/checks/double_three.rs:95:4
[INFO] [stderr]    |
[INFO] [stderr] 95 | fn index_available(
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `double_three_present`
[INFO] [stderr]    --> src/checks/double_three.rs:166:4
[INFO] [stderr]     |
[INFO] [stderr] 166 | fn double_three_present(
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `forbidden_indexes`
[INFO] [stderr]    --> src/checks/double_three.rs:183:8
[INFO] [stderr]     |
[INFO] [stderr] 183 | pub fn forbidden_indexes(game: &game::Game) -> Option<Vec<usize>> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.75s
[INFO] running `"docker" "inspect" "70b3ab30fbdefcf3ea2cdbf355c2a307f3aa84577699650f13fd72c33d01ae36"`
[INFO] running `"docker" "rm" "-f" "70b3ab30fbdefcf3ea2cdbf355c2a307f3aa84577699650f13fd72c33d01ae36"`
[INFO] [stdout] 70b3ab30fbdefcf3ea2cdbf355c2a307f3aa84577699650f13fd72c33d01ae36