[INFO] cloning repository https://github.com/RobbieGM/ladybug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RobbieGM/ladybug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobbieGM%2Fladybug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobbieGM%2Fladybug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29fedceaff8aa0dd23a0267fd86f447025af4767
[INFO] testing RobbieGM/ladybug against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobbieGM%2Fladybug" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RobbieGM/ladybug on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RobbieGM/ladybug
[INFO] finished tweaking git repo https://github.com/RobbieGM/ladybug
[INFO] tweaked toml for git repo https://github.com/RobbieGM/ladybug written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/RobbieGM/ladybug already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 548a8d94eb900d9a6d97df94279a4c52bd74cff5378304a81cf5124649582bd1
[INFO] running `Command { std: "docker" "start" "-a" "548a8d94eb900d9a6d97df94279a4c52bd74cff5378304a81cf5124649582bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "548a8d94eb900d9a6d97df94279a4c52bd74cff5378304a81cf5124649582bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "548a8d94eb900d9a6d97df94279a4c52bd74cff5378304a81cf5124649582bd1", kill_on_drop: false }`
[INFO] [stdout] 548a8d94eb900d9a6d97df94279a4c52bd74cff5378304a81cf5124649582bd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e2f244027bde23b6ff0d516f2b810584a93218c7dac4e5b219b5c090fc5fc84
[INFO] running `Command { std: "docker" "start" "-a" "8e2f244027bde23b6ff0d516f2b810584a93218c7dac4e5b219b5c090fc5fc84", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling shakmaty v0.18.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling btoi v0.4.2
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling ladybug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `leaf`
[INFO] [stdout]    --> src/engine.rs:156:13
[INFO] [stdout]     |
[INFO] [stdout] 156 |         let leaf = &self[leaf_id];
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_leaf`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `errors`
[INFO] [stdout]   --> src/board.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     errors: PositionErrorKinds,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `BughousePositionError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/board.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_material`
[INFO] [stdout]    --> src/board.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn add_material(mut self, material: Material) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.76s
[INFO] running `Command { std: "docker" "inspect" "8e2f244027bde23b6ff0d516f2b810584a93218c7dac4e5b219b5c090fc5fc84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e2f244027bde23b6ff0d516f2b810584a93218c7dac4e5b219b5c090fc5fc84", kill_on_drop: false }`
[INFO] [stdout] 8e2f244027bde23b6ff0d516f2b810584a93218c7dac4e5b219b5c090fc5fc84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 775f2a105af2555075336d185510900b253fbc951a0ec8485382e92d7fdb08f0
[INFO] running `Command { std: "docker" "start" "-a" "775f2a105af2555075336d185510900b253fbc951a0ec8485382e92d7fdb08f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling ladybug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `leaf`
[INFO] [stdout]    --> src/engine.rs:156:13
[INFO] [stdout]     |
[INFO] [stdout] 156 |         let leaf = &self[leaf_id];
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_leaf`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `errors`
[INFO] [stdout]   --> src/board.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     errors: PositionErrorKinds,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `BughousePositionError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/board.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_material`
[INFO] [stdout]    --> src/board.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn add_material(mut self, material: Material) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/ladybug-93e2b67624d44ada)
[INFO] running `Command { std: "docker" "inspect" "775f2a105af2555075336d185510900b253fbc951a0ec8485382e92d7fdb08f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "775f2a105af2555075336d185510900b253fbc951a0ec8485382e92d7fdb08f0", kill_on_drop: false }`
[INFO] [stdout] 775f2a105af2555075336d185510900b253fbc951a0ec8485382e92d7fdb08f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 14806ef621dd0ac1cb066e19c7e539ea7678ca5656eb516b6d7afd47d8ac925b
[INFO] running `Command { std: "docker" "start" "-a" "14806ef621dd0ac1cb066e19c7e539ea7678ca5656eb516b6d7afd47d8ac925b", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `leaf`
[INFO] [stdout] 
[INFO] [stderr]    --> src/engine.rs:156:13
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 156 |         let leaf = &self[leaf_id];
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_leaf`
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `errors`
[INFO] [stderr]   --> src/board.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     errors: PositionErrorKinds,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `BughousePositionError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/board.rs:10:10
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_material`
[INFO] [stderr]    --> src/board.rs:111:12
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn add_material(mut self, material: Material) -> Self {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ladybug` (bin "ladybug" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ladybug-93e2b67624d44ada)
[INFO] running `Command { std: "docker" "inspect" "14806ef621dd0ac1cb066e19c7e539ea7678ca5656eb516b6d7afd47d8ac925b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14806ef621dd0ac1cb066e19c7e539ea7678ca5656eb516b6d7afd47d8ac925b", kill_on_drop: false }`
[INFO] [stdout] 14806ef621dd0ac1cb066e19c7e539ea7678ca5656eb516b6d7afd47d8ac925b