[INFO] updating cached repository https://github.com/csreid/chess-engine [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] d026bd5a88da27b9e6a6d631a54d585ddafa7b92 [INFO] checking csreid/chess-engine against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsreid%2Fchess-engine" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/csreid/chess-engine on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494 [INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/csreid/chess-engine [INFO] finished tweaking git repo https://github.com/csreid/chess-engine [INFO] tweaked toml for git repo https://github.com/csreid/chess-engine written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/csreid/chess-engine already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 52e6ee0ebbc6b50acc818780d98746e8ddd940eb8afc62ef813caab71b8bc393 [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" "52e6ee0ebbc6b50acc818780d98746e8ddd940eb8afc62ef813caab71b8bc393"` [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling chess v2.0.1 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking rayon-core v1.4.1 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking rayon v1.0.3 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking stopwatch v0.0.7 [INFO] [stderr] Checking chess-engine v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused imports: `ALL_FILES`, `ALL_RANKS`, `Piece`, `Square` [INFO] [stderr] --> src/main.rs:9:2 [INFO] [stderr] | [INFO] [stderr] 9 | ALL_FILES, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] 10 | ALL_RANKS, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 16 | Piece, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 17 | Square, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::*` [INFO] [stderr] --> src/main.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | use rand::*; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `finished_count` [INFO] [stderr] --> src/main.rs:86:10 [INFO] [stderr] | [INFO] [stderr] 86 | let mut finished_count = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_finished_count` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `total_count` [INFO] [stderr] --> src/main.rs:87:10 [INFO] [stderr] | [INFO] [stderr] 87 | let mut total_count = 0; [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_total_count` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rng` [INFO] [stderr] --> src/main.rs:91:10 [INFO] [stderr] | [INFO] [stderr] 91 | let mut rng = rand::thread_rng(); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_rng` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `iter2` [INFO] [stderr] --> src/main.rs:93:10 [INFO] [stderr] | [INFO] [stderr] 93 | let mut iter2 = MoveGen::new_legal(&board); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_iter2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `count` [INFO] [stderr] --> src/main.rs:94:10 [INFO] [stderr] | [INFO] [stderr] 94 | let mut count = 0; [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_count` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:86:6 [INFO] [stderr] | [INFO] [stderr] 86 | let mut finished_count = 0; [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:87:6 [INFO] [stderr] | [INFO] [stderr] 87 | let mut total_count = 0; [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:90:6 [INFO] [stderr] | [INFO] [stderr] 90 | let mut board = Board::from_fen(fen.to_string()).unwrap(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:91:6 [INFO] [stderr] | [INFO] [stderr] 91 | let mut rng = rand::thread_rng(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:93:6 [INFO] [stderr] | [INFO] [stderr] 93 | let mut iter2 = MoveGen::new_legal(&board); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:94:6 [INFO] [stderr] | [INFO] [stderr] 94 | let mut count = 0; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused imports: `ALL_FILES`, `ALL_RANKS`, `Piece`, `Square` [INFO] [stderr] --> src/main.rs:9:2 [INFO] [stderr] | [INFO] [stderr] 9 | ALL_FILES, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] 10 | ALL_RANKS, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 16 | Piece, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 17 | Square, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::*` [INFO] [stderr] --> src/main.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | use rand::*; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `finished_count` [INFO] [stderr] --> src/main.rs:86:10 [INFO] [stderr] | [INFO] [stderr] 86 | let mut finished_count = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_finished_count` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `total_count` [INFO] [stderr] --> src/main.rs:87:10 [INFO] [stderr] | [INFO] [stderr] 87 | let mut total_count = 0; [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_total_count` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rng` [INFO] [stderr] --> src/main.rs:91:10 [INFO] [stderr] | [INFO] [stderr] 91 | let mut rng = rand::thread_rng(); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_rng` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `iter2` [INFO] [stderr] --> src/main.rs:93:10 [INFO] [stderr] | [INFO] [stderr] 93 | let mut iter2 = MoveGen::new_legal(&board); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_iter2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `count` [INFO] [stderr] --> src/main.rs:94:10 [INFO] [stderr] | [INFO] [stderr] 94 | let mut count = 0; [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_count` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:86:6 [INFO] [stderr] | [INFO] [stderr] 86 | let mut finished_count = 0; [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:87:6 [INFO] [stderr] | [INFO] [stderr] 87 | let mut total_count = 0; [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:90:6 [INFO] [stderr] | [INFO] [stderr] 90 | let mut board = Board::from_fen(fen.to_string()).unwrap(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:91:6 [INFO] [stderr] | [INFO] [stderr] 91 | let mut rng = rand::thread_rng(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:93:6 [INFO] [stderr] | [INFO] [stderr] 93 | let mut iter2 = MoveGen::new_legal(&board); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:94:6 [INFO] [stderr] | [INFO] [stderr] 94 | let mut count = 0; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4m 57s [INFO] running `"docker" "inspect" "52e6ee0ebbc6b50acc818780d98746e8ddd940eb8afc62ef813caab71b8bc393"` [INFO] running `"docker" "rm" "-f" "52e6ee0ebbc6b50acc818780d98746e8ddd940eb8afc62ef813caab71b8bc393"` [INFO] [stdout] 52e6ee0ebbc6b50acc818780d98746e8ddd940eb8afc62ef813caab71b8bc393