[INFO] cloning repository https://github.com/ColonelPhantom/fe_chess
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ColonelPhantom/fe_chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColonelPhantom%2Ffe_chess"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColonelPhantom%2Ffe_chess'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c784553c4f3dec464d9d5c78f848a2e2e1e32b83
[INFO] checking ColonelPhantom/fe_chess against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColonelPhantom%2Ffe_chess" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ColonelPhantom/fe_chess on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ColonelPhantom/fe_chess
[INFO] finished tweaking git repo https://github.com/ColonelPhantom/fe_chess
[INFO] tweaked toml for git repo https://github.com/ColonelPhantom/fe_chess written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ColonelPhantom/fe_chess already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 44ccecfc7886e0c5780c6667c9c230f55ab3524e574342db149667707313d97f
[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" "44ccecfc7886e0c5780c6667c9c230f55ab3524e574342db149667707313d97f"`
[INFO] [stderr]     Checking encode_unicode v0.3.5
[INFO] [stderr]     Checking memchr v2.2.0
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]     Checking csv v1.0.7
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking shrust v0.0.6
[INFO] [stderr]     Checking fe_chess v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/ui/interactive.rs:25:76
[INFO] [stderr]    |
[INFO] [stderr] 25 |     shell.new_command("fromfen", "Reinit board from a FEN string", 1, |_,s,a| {
[INFO] [stderr]    |                                                                            ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/ui/interactive.rs:25:76
[INFO] [stderr]    |
[INFO] [stderr] 25 |     shell.new_command("fromfen", "Reinit board from a FEN string", 1, |_,s,a| {
[INFO] [stderr]    |                                                                            ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_fen`
[INFO] [stderr]    --> src/board/text.rs:204:5
[INFO] [stderr]     |
[INFO] [stderr] 204 |     pub fn to_fen(&self) -> &str {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_decided`
[INFO] [stderr]    --> src/search/mod.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn is_decided(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_fen`
[INFO] [stderr]    --> src/board/text.rs:204:5
[INFO] [stderr]     |
[INFO] [stderr] 204 |     pub fn to_fen(&self) -> &str {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_decided`
[INFO] [stderr]    --> src/search/mod.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn is_decided(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.91s
[INFO] running `"docker" "inspect" "44ccecfc7886e0c5780c6667c9c230f55ab3524e574342db149667707313d97f"`
[INFO] running `"docker" "rm" "-f" "44ccecfc7886e0c5780c6667c9c230f55ab3524e574342db149667707313d97f"`
[INFO] [stdout] 44ccecfc7886e0c5780c6667c9c230f55ab3524e574342db149667707313d97f