[INFO] cloning repository https://github.com/sbesselsen/rust-chess [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sbesselsen/rust-chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbesselsen%2Frust-chess", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbesselsen%2Frust-chess'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 72eccbc1dea513ca60c938e49aa4d0a92b76bee5 [INFO] testing sbesselsen/rust-chess against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbesselsen%2Frust-chess" "/workspace/builds/worker-57/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-57/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sbesselsen/rust-chess on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sbesselsen/rust-chess [INFO] finished tweaking git repo https://github.com/sbesselsen/rust-chess [INFO] tweaked toml for git repo https://github.com/sbesselsen/rust-chess written to /workspace/builds/worker-57/source/Cargo.toml [INFO] crate git repo https://github.com/sbesselsen/rust-chess already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3d6a5d49ba787ad42d2e9f3f53b9da42070d1ccd1782223c3c1e834424bd9369 [INFO] running `Command { std: "docker" "start" "-a" "3d6a5d49ba787ad42d2e9f3f53b9da42070d1ccd1782223c3c1e834424bd9369", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3d6a5d49ba787ad42d2e9f3f53b9da42070d1ccd1782223c3c1e834424bd9369", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d6a5d49ba787ad42d2e9f3f53b9da42070d1ccd1782223c3c1e834424bd9369", kill_on_drop: false }` [INFO] [stdout] 3d6a5d49ba787ad42d2e9f3f53b9da42070d1ccd1782223c3c1e834424bd9369 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8052e81b8eea5429114d1ebcccf2718dfca2949965f31a3a4c21a3415d0c4116 [INFO] running `Command { std: "docker" "start" "-a" "8052e81b8eea5429114d1ebcccf2718dfca2949965f31a3a4c21a3415d0c4116", kill_on_drop: false }` [INFO] [stderr] Compiling chess v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `schaap_index` [INFO] [stdout] --> src/tests.rs:261:7 [INFO] [stdout] | [INFO] [stdout] 261 | let schaap_index = tree.add_child("schaap", 0); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_schaap_index` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `aap1` [INFO] [stdout] --> src/tests.rs:262:7 [INFO] [stdout] | [INFO] [stdout] 262 | let aap1 = tree.add_child("aap 1", aap_index); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_aap1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `aap1` [INFO] [stdout] --> src/tests.rs:267:7 [INFO] [stdout] | [INFO] [stdout] 267 | let aap1 = tree2.add_child("aap 1", aap_index); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_aap1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `board` [INFO] [stdout] --> src/tests.rs:297:7 [INFO] [stdout] | [INFO] [stdout] 297 | let board = Board::parse_str(" [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_board` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `len` [INFO] [stdout] --> src/util/grow_tree.rs:122:17 [INFO] [stdout] | [INFO] [stdout] 122 | let len = items.len(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `item` [INFO] [stdout] --> src/util/grow_tree.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn item(&self, index: usize) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `item_mut` [INFO] [stdout] --> src/util/grow_tree.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn item_mut(&mut self, index: usize) -> Option<&mut T> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `root` [INFO] [stdout] --> src/util/grow_tree.rs:44:12 [INFO] [stdout] | [INFO] [stdout] 44 | pub fn root(&self) -> &T { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parent` [INFO] [stdout] --> src/util/grow_tree.rs:52:12 [INFO] [stdout] | [INFO] [stdout] 52 | pub fn parent(&self, index: usize) -> Option<(usize, &T)> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `map` [INFO] [stdout] --> src/util/grow_tree.rs:60:12 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn map(&self, f: F) -> GrowTree [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 09s [INFO] running `Command { std: "docker" "inspect" "8052e81b8eea5429114d1ebcccf2718dfca2949965f31a3a4c21a3415d0c4116", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8052e81b8eea5429114d1ebcccf2718dfca2949965f31a3a4c21a3415d0c4116", kill_on_drop: false }` [INFO] [stdout] 8052e81b8eea5429114d1ebcccf2718dfca2949965f31a3a4c21a3415d0c4116 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b01fdd2c6508d3f82150f3fa750b304318b3a1d8fa791963330faafe45035d9e [INFO] running `Command { std: "docker" "start" "-a" "b01fdd2c6508d3f82150f3fa750b304318b3a1d8fa791963330faafe45035d9e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling chess v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `schaap_index` [INFO] [stdout] --> src/tests.rs:261:7 [INFO] [stdout] | [INFO] [stdout] 261 | let schaap_index = tree.add_child("schaap", 0); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_schaap_index` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `aap1` [INFO] [stdout] --> src/tests.rs:262:7 [INFO] [stdout] | [INFO] [stdout] 262 | let aap1 = tree.add_child("aap 1", aap_index); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_aap1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `aap1` [INFO] [stdout] --> src/tests.rs:267:7 [INFO] [stdout] | [INFO] [stdout] 267 | let aap1 = tree2.add_child("aap 1", aap_index); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_aap1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `board` [INFO] [stdout] --> src/tests.rs:297:7 [INFO] [stdout] | [INFO] [stdout] 297 | let board = Board::parse_str(" [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_board` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `len` [INFO] [stdout] --> src/util/grow_tree.rs:122:17 [INFO] [stdout] | [INFO] [stdout] 122 | let len = items.len(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `item` [INFO] [stdout] --> src/util/grow_tree.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn item(&self, index: usize) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `item_mut` [INFO] [stdout] --> src/util/grow_tree.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn item_mut(&mut self, index: usize) -> Option<&mut T> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `root` [INFO] [stdout] --> src/util/grow_tree.rs:44:12 [INFO] [stdout] | [INFO] [stdout] 44 | pub fn root(&self) -> &T { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parent` [INFO] [stdout] --> src/util/grow_tree.rs:52:12 [INFO] [stdout] | [INFO] [stdout] 52 | pub fn parent(&self, index: usize) -> Option<(usize, &T)> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `map` [INFO] [stdout] --> src/util/grow_tree.rs:60:12 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn map(&self, f: F) -> GrowTree [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `Command { std: "docker" "inspect" "b01fdd2c6508d3f82150f3fa750b304318b3a1d8fa791963330faafe45035d9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b01fdd2c6508d3f82150f3fa750b304318b3a1d8fa791963330faafe45035d9e", kill_on_drop: false }` [INFO] [stdout] b01fdd2c6508d3f82150f3fa750b304318b3a1d8fa791963330faafe45035d9e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d185105b61d62243bfb24ecfb35c8d1f8df6b33b41a5619992cf35c48379ae97 [INFO] running `Command { std: "docker" "start" "-a" "d185105b61d62243bfb24ecfb35c8d1f8df6b33b41a5619992cf35c48379ae97", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused variable: `schaap_index` [INFO] [stderr] --> src/tests.rs:261:7 [INFO] [stderr] | [INFO] [stderr] 261 | let schaap_index = tree.add_child("schaap", 0); [INFO] [stderr] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_schaap_index` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `aap1` [INFO] [stderr] --> src/tests.rs:262:7 [INFO] [stderr] | [INFO] [stderr] 262 | let aap1 = tree.add_child("aap 1", aap_index); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_aap1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `aap1` [INFO] [stderr] --> src/tests.rs:267:7 [INFO] [stderr] | [INFO] [stderr] 267 | let aap1 = tree2.add_child("aap 1", aap_index); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_aap1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `board` [INFO] [stderr] --> src/tests.rs:297:7 [INFO] [stderr] | [INFO] [stderr] 297 | let board = Board::parse_str(" [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_board` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/util/grow_tree.rs:122:17 [INFO] [stderr] | [INFO] [stderr] 122 | let len = items.len(); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `item` [INFO] [stderr] --> src/util/grow_tree.rs:36:12 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn item(&self, index: usize) -> Option<&T> { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `item_mut` [INFO] [stderr] --> src/util/grow_tree.rs:40:12 [INFO] [stderr] | [INFO] [stderr] 40 | pub fn item_mut(&mut self, index: usize) -> Option<&mut T> { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `root` [INFO] [stderr] --> src/util/grow_tree.rs:44:12 [INFO] [stderr] | [INFO] [stderr] 44 | pub fn root(&self) -> &T { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `parent` [INFO] [stderr] --> src/util/grow_tree.rs:52:12 [INFO] [stderr] | [INFO] [stderr] 52 | pub fn parent(&self, index: usize) -> Option<(usize, &T)> { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `map` [INFO] [stderr] --> src/util/grow_tree.rs:60:12 [INFO] [stderr] | [INFO] [stderr] 60 | pub fn map(&self, f: F) -> GrowTree [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: `chess` (bin "chess" test) generated 10 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 51.74s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/chess-5c5e5535b4cc2026) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d185105b61d62243bfb24ecfb35c8d1f8df6b33b41a5619992cf35c48379ae97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d185105b61d62243bfb24ecfb35c8d1f8df6b33b41a5619992cf35c48379ae97", kill_on_drop: false }` [INFO] [stdout] d185105b61d62243bfb24ecfb35c8d1f8df6b33b41a5619992cf35c48379ae97