[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 try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobbieGM%2Fladybug" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[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-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/RobbieGM/ladybug on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/RobbieGM/ladybug 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getrandom v0.2.2
[INFO] [stderr]   Downloaded rand_core v0.6.2
[INFO] [stderr]   Downloaded rand_chacha v0.3.0
[INFO] [stderr]   Downloaded btoi v0.4.2
[INFO] [stderr]   Downloaded rand_hc v0.3.0
[INFO] [stderr]   Downloaded rand v0.8.3
[INFO] [stderr]   Downloaded shakmaty v0.18.0
[INFO] [stderr]   Downloaded libc v0.2.86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57b101d738db34fc4dcc5111f7f545c13eb625aa9078d4dda30ca82a2a8aac3a
[INFO] running `Command { std: "docker" "start" "-a" "57b101d738db34fc4dcc5111f7f545c13eb625aa9078d4dda30ca82a2a8aac3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57b101d738db34fc4dcc5111f7f545c13eb625aa9078d4dda30ca82a2a8aac3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57b101d738db34fc4dcc5111f7f545c13eb625aa9078d4dda30ca82a2a8aac3a", kill_on_drop: false }`
[INFO] [stdout] 57b101d738db34fc4dcc5111f7f545c13eb625aa9078d4dda30ca82a2a8aac3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 5161fa458fa77d207e9c43ba16eee3243bc7dd77af3d0911e5af3531d14ed2f0
[INFO] running `Command { std: "docker" "start" "-a" "5161fa458fa77d207e9c43ba16eee3243bc7dd77af3d0911e5af3531d14ed2f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling shakmaty v0.18.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[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 btoi v0.4.2
[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: field `errors` is never read
[INFO] [stdout]   --> src/board.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct BughousePositionError {
[INFO] [stdout]    |            --------------------- field in this struct
[INFO] [stdout] 12 |     errors: PositionErrorKinds,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BughousePositionError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_material` is never used
[INFO] [stdout]    --> src/board.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 48  | impl Bughouse {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 111 |     pub fn add_material(mut self, material: Material) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.77s
[INFO] running `Command { std: "docker" "inspect" "5161fa458fa77d207e9c43ba16eee3243bc7dd77af3d0911e5af3531d14ed2f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5161fa458fa77d207e9c43ba16eee3243bc7dd77af3d0911e5af3531d14ed2f0", kill_on_drop: false }`
[INFO] [stdout] 5161fa458fa77d207e9c43ba16eee3243bc7dd77af3d0911e5af3531d14ed2f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 02513587410ef99d35c4ebe55bdde15c49dc2feb1878d8c5d64669316079a941
[INFO] running `Command { std: "docker" "start" "-a" "02513587410ef99d35c4ebe55bdde15c49dc2feb1878d8c5d64669316079a941", 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 `errors` is never read
[INFO] [stdout]   --> src/board.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct BughousePositionError {
[INFO] [stdout]    |            --------------------- field in this struct
[INFO] [stdout] 12 |     errors: PositionErrorKinds,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BughousePositionError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_material` is never used
[INFO] [stdout]    --> src/board.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 48  | impl Bughouse {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 111 |     pub fn add_material(mut self, material: Material) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "02513587410ef99d35c4ebe55bdde15c49dc2feb1878d8c5d64669316079a941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02513587410ef99d35c4ebe55bdde15c49dc2feb1878d8c5d64669316079a941", kill_on_drop: false }`
[INFO] [stdout] 02513587410ef99d35c4ebe55bdde15c49dc2feb1878d8c5d64669316079a941
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 69eb9cb8770955e291728d804dabf5cf6aa9f8ed3eaaf1282a8739068375bffd
[INFO] running `Command { std: "docker" "start" "-a" "69eb9cb8770955e291728d804dabf5cf6aa9f8ed3eaaf1282a8739068375bffd", 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: field `errors` is never read
[INFO] [stderr]   --> src/board.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct BughousePositionError {
[INFO] [stderr]    |            --------------------- field in this struct
[INFO] [stderr] 12 |     errors: PositionErrorKinds,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `BughousePositionError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `add_material` is never used
[INFO] [stderr]    --> src/board.rs:111:12
[INFO] [stderr]     |
[INFO] [stderr] 48  | impl Bughouse {
[INFO] [stderr]     | ------------- method in this implementation
[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` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/ladybug-e74c8b0a76887a82)
[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" "69eb9cb8770955e291728d804dabf5cf6aa9f8ed3eaaf1282a8739068375bffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69eb9cb8770955e291728d804dabf5cf6aa9f8ed3eaaf1282a8739068375bffd", kill_on_drop: false }`
[INFO] [stdout] 69eb9cb8770955e291728d804dabf5cf6aa9f8ed3eaaf1282a8739068375bffd