[INFO] updating cached repository csreid/chess-engine [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/csreid/chess-engine [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/csreid/chess-engine" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/csreid/chess-engine"` [INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/csreid/chess-engine'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/csreid/chess-engine" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/csreid/chess-engine"` [INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/csreid/chess-engine'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d026bd5a88da27b9e6a6d631a54d585ddafa7b92 [INFO] sha for GitHub repo csreid/chess-engine: d026bd5a88da27b9e6a6d631a54d585ddafa7b92 [INFO] validating manifest of csreid/chess-engine on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of csreid/chess-engine on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing csreid/chess-engine [INFO] finished frobbing csreid/chess-engine [INFO] frobbed toml for csreid/chess-engine written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/csreid/chess-engine/Cargo.toml [INFO] started frobbing csreid/chess-engine [INFO] finished frobbing csreid/chess-engine [INFO] frobbed toml for csreid/chess-engine written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/csreid/chess-engine/Cargo.toml [INFO] crate csreid/chess-engine has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking csreid/chess-engine against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-0/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/csreid/chess-engine:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 35bb8993d0d98638e4dd240b38a0de4b1c0237a407a84774af303fb8bbda855e [INFO] running `"docker" "start" "-a" "35bb8993d0d98638e4dd240b38a0de4b1c0237a407a84774af303fb8bbda855e"` [INFO] [stderr] Compiling chess v2.0.1 [INFO] [stderr] Checking stopwatch v0.0.7 [INFO] [stderr] Checking chess-engine v0.1.0 (/opt/crater/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 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 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 45s [INFO] running `"docker" "inspect" "35bb8993d0d98638e4dd240b38a0de4b1c0237a407a84774af303fb8bbda855e"` [INFO] running `"docker" "rm" "-f" "35bb8993d0d98638e4dd240b38a0de4b1c0237a407a84774af303fb8bbda855e"` [INFO] [stdout] 35bb8993d0d98638e4dd240b38a0de4b1c0237a407a84774af303fb8bbda855e