[INFO] cloning repository https://github.com/Aerbon/chess_ai
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aerbon/chess_ai" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAerbon%2Fchess_ai", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAerbon%2Fchess_ai'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e73bbb8941c5fb076c85c8a876c63aa2e208db76
[INFO] testing Aerbon/chess_ai against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAerbon%2Fchess_ai" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Aerbon/chess_ai
[INFO] finished tweaking git repo https://github.com/Aerbon/chess_ai
[INFO] tweaked toml for git repo https://github.com/Aerbon/chess_ai written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Aerbon/chess_ai on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Aerbon/chess_ai already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7717ad3f5ca0d1a124a77f4915016c4f77e3c378ece10c3f3f565814908b69a
[INFO] running `Command { std: "docker" "start" "-a" "a7717ad3f5ca0d1a124a77f4915016c4f77e3c378ece10c3f3f565814908b69a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7717ad3f5ca0d1a124a77f4915016c4f77e3c378ece10c3f3f565814908b69a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7717ad3f5ca0d1a124a77f4915016c4f77e3c378ece10c3f3f565814908b69a", kill_on_drop: false }`
[INFO] [stdout] a7717ad3f5ca0d1a124a77f4915016c4f77e3c378ece10c3f3f565814908b69a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f102fd619c94821f46ec79261915f55da664c278d03baf8e47caf74477e91f04
[INFO] running `Command { std: "docker" "start" "-a" "f102fd619c94821f46ec79261915f55da664c278d03baf8e47caf74477e91f04", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling cc v1.0.97
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling either v1.11.0
[INFO] [stderr]    Compiling thiserror v1.0.60
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling phf v0.11.2
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling phf_codegen v0.11.2
[INFO] [stderr]    Compiling serde v1.0.201
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling text_io v0.1.12
[INFO] [stderr]    Compiling terminfo v0.8.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.61
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling which v6.0.1
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.60
[INFO] [stderr]    Compiling clearscreen v3.0.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling chess v3.2.0
[INFO] [stderr]    Compiling chess_ai v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]   --> src/lib.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let item = queue.pop();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `Command { std: "docker" "inspect" "f102fd619c94821f46ec79261915f55da664c278d03baf8e47caf74477e91f04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f102fd619c94821f46ec79261915f55da664c278d03baf8e47caf74477e91f04", kill_on_drop: false }`
[INFO] [stdout] f102fd619c94821f46ec79261915f55da664c278d03baf8e47caf74477e91f04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21fdefc6e5f378db35b8f6458cf06c5734083809a4d40b6cd97bc56e2e410606
[INFO] running `Command { std: "docker" "start" "-a" "21fdefc6e5f378db35b8f6458cf06c5734083809a4d40b6cd97bc56e2e410606", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]   --> src/lib.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let item = queue.pop();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chess_ai v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]   --> src/lib.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let item = queue.pop();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "21fdefc6e5f378db35b8f6458cf06c5734083809a4d40b6cd97bc56e2e410606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21fdefc6e5f378db35b8f6458cf06c5734083809a4d40b6cd97bc56e2e410606", kill_on_drop: false }`
[INFO] [stdout] 21fdefc6e5f378db35b8f6458cf06c5734083809a4d40b6cd97bc56e2e410606
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e2c79522e99beefc5f392bd7ad3370050eeaa82af5bebc64c98466ec78bd6c50
[INFO] running `Command { std: "docker" "start" "-a" "e2c79522e99beefc5f392bd7ad3370050eeaa82af5bebc64c98466ec78bd6c50", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `item`
[INFO] [stderr]   --> src/lib.rs:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let item = queue.pop();
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chess_ai` (lib) generated 1 warning
[INFO] [stderr] warning: `chess_ai` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chess_ai-acca7a765cfb23f9)
[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] [stderr]      Running unittests src/bin/bench.rs (/opt/rustwide/target/debug/deps/bench-695fe7929df29859)
[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] [stderr]      Running unittests src/bin/play.rs (/opt/rustwide/target/debug/deps/play-caeae9d049a1398c)
[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] [stderr]    Doc-tests chess_ai
[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" "e2c79522e99beefc5f392bd7ad3370050eeaa82af5bebc64c98466ec78bd6c50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2c79522e99beefc5f392bd7ad3370050eeaa82af5bebc64c98466ec78bd6c50", kill_on_drop: false }`
[INFO] [stdout] e2c79522e99beefc5f392bd7ad3370050eeaa82af5bebc64c98466ec78bd6c50
