[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 master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobbieGM%2Fladybug" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RobbieGM/ladybug on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-3/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac4aec8639d4182e0f5fb44e9c53f12cd8bd7cc5f565a12fe871af98e40640c8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ac4aec8639d4182e0f5fb44e9c53f12cd8bd7cc5f565a12fe871af98e40640c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac4aec8639d4182e0f5fb44e9c53f12cd8bd7cc5f565a12fe871af98e40640c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac4aec8639d4182e0f5fb44e9c53f12cd8bd7cc5f565a12fe871af98e40640c8", kill_on_drop: false }`
[INFO] [stdout] ac4aec8639d4182e0f5fb44e9c53f12cd8bd7cc5f565a12fe871af98e40640c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ce69220d2d9d099487b907290a734fdc909290bceda4ee92971dad60cf7ce18d
[INFO] running `Command { std: "docker" "start" "-a" "ce69220d2d9d099487b907290a734fdc909290bceda4ee92971dad60cf7ce18d", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling shakmaty v0.18.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling btoi v0.4.2
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[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: 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]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.61s
[INFO] running `Command { std: "docker" "inspect" "ce69220d2d9d099487b907290a734fdc909290bceda4ee92971dad60cf7ce18d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce69220d2d9d099487b907290a734fdc909290bceda4ee92971dad60cf7ce18d", kill_on_drop: false }`
[INFO] [stdout] ce69220d2d9d099487b907290a734fdc909290bceda4ee92971dad60cf7ce18d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2894f8fcd3b456f0492fc310d6788b0d6c8070e9136aea9bc5284cbc46d76e2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e2894f8fcd3b456f0492fc310d6788b0d6c8070e9136aea9bc5284cbc46d76e2", 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: 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]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e2894f8fcd3b456f0492fc310d6788b0d6c8070e9136aea9bc5284cbc46d76e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2894f8fcd3b456f0492fc310d6788b0d6c8070e9136aea9bc5284cbc46d76e2", kill_on_drop: false }`
[INFO] [stdout] e2894f8fcd3b456f0492fc310d6788b0d6c8070e9136aea9bc5284cbc46d76e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d7ba44a6f306c3db628cba7f90c9774838542dd32682a376dd865f4a268cbcf5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d7ba44a6f306c3db628cba7f90c9774838542dd32682a376dd865f4a268cbcf5", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `leaf`
[INFO] [stderr]    --> src/engine.rs:156:13
[INFO] [stderr]     |
[INFO] [stderr] 156 |         let leaf = &self[leaf_id];
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_leaf`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[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]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ladybug` (bin "ladybug" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ladybug-37ebde39d9f3c89e)
[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" "d7ba44a6f306c3db628cba7f90c9774838542dd32682a376dd865f4a268cbcf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7ba44a6f306c3db628cba7f90c9774838542dd32682a376dd865f4a268cbcf5", kill_on_drop: false }`
[INFO] [stdout] d7ba44a6f306c3db628cba7f90c9774838542dd32682a376dd865f4a268cbcf5