[INFO] fetching crate chess-engine 0.1.2...
[INFO] testing chess-engine-0.1.2 against 1.60.0 for beta-1.61-1
[INFO] extracting crate chess-engine 0.1.2 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate chess-engine 0.1.2 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chess-engine 0.1.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate chess-engine 0.1.2
[INFO] tweaked toml for crates.io crate chess-engine 0.1.2 written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] crate crates.io crate chess-engine 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] faf9121cbdb5b3f85af8fe5ed12e8b6f90ef404f60d9ea559b0748daed74dc78
[INFO] running `Command { std: "docker" "start" "-a" "faf9121cbdb5b3f85af8fe5ed12e8b6f90ef404f60d9ea559b0748daed74dc78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "faf9121cbdb5b3f85af8fe5ed12e8b6f90ef404f60d9ea559b0748daed74dc78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faf9121cbdb5b3f85af8fe5ed12e8b6f90ef404f60d9ea559b0748daed74dc78", kill_on_drop: false }`
[INFO] [stdout] faf9121cbdb5b3f85af8fe5ed12e8b6f90ef404f60d9ea559b0748daed74dc78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e132facc8593539b70c5b3bded46eb474705a67e3ae945bd908c0076e35f5a2d
[INFO] running `Command { std: "docker" "start" "-a" "e132facc8593539b70c5b3bded46eb474705a67e3ae945bd908c0076e35f5a2d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chess-engine v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.82s
[INFO] running `Command { std: "docker" "inspect" "e132facc8593539b70c5b3bded46eb474705a67e3ae945bd908c0076e35f5a2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e132facc8593539b70c5b3bded46eb474705a67e3ae945bd908c0076e35f5a2d", kill_on_drop: false }`
[INFO] [stdout] e132facc8593539b70c5b3bded46eb474705a67e3ae945bd908c0076e35f5a2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2143463b3496a651f52bdab36594a3617d3f508dc3c8f73cb7656b6cb1a41eac
[INFO] running `Command { std: "docker" "start" "-a" "2143463b3496a651f52bdab36594a3617d3f508dc3c8f73cb7656b6cb1a41eac", kill_on_drop: false }`
[INFO] [stderr]    Compiling chess-engine v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "2143463b3496a651f52bdab36594a3617d3f508dc3c8f73cb7656b6cb1a41eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2143463b3496a651f52bdab36594a3617d3f508dc3c8f73cb7656b6cb1a41eac", kill_on_drop: false }`
[INFO] [stdout] 2143463b3496a651f52bdab36594a3617d3f508dc3c8f73cb7656b6cb1a41eac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 041356ddc97bb7ec048cd31d9ca978f26e4a414712adee94867789544d3691f0
[INFO] running `Command { std: "docker" "start" "-a" "041356ddc97bb7ec048cd31d9ca978f26e4a414712adee94867789544d3691f0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chess_engine-cd04394628f9b156)
[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 (/opt/rustwide/target/debug/deps/chess-d05d4f4afbda1d7b)
[INFO] [stderr]    Doc-tests chess-engine
[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] [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" "041356ddc97bb7ec048cd31d9ca978f26e4a414712adee94867789544d3691f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "041356ddc97bb7ec048cd31d9ca978f26e4a414712adee94867789544d3691f0", kill_on_drop: false }`
[INFO] [stdout] 041356ddc97bb7ec048cd31d9ca978f26e4a414712adee94867789544d3691f0