[INFO] cloning repository https://github.com/me-unsolicited/rust-chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/me-unsolicited/rust-chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fme-unsolicited%2Frust-chess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fme-unsolicited%2Frust-chess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9d265c9021cac86c9d568529464cf4aa27b860a
[INFO] checking me-unsolicited/rust-chess against master#029c9e18dd1f4668e1d42bb187c1c263dfe20093 for pr-157562
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fme-unsolicited%2Frust-chess" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/me-unsolicited/rust-chess
[INFO] finished tweaking git repo https://github.com/me-unsolicited/rust-chess
[INFO] tweaked toml for git repo https://github.com/me-unsolicited/rust-chess written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/me-unsolicited/rust-chess on toolchain 029c9e18dd1f4668e1d42bb187c1c263dfe20093
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+029c9e18dd1f4668e1d42bb187c1c263dfe20093" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/me-unsolicited/rust-chess 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" "+029c9e18dd1f4668e1d42bb187c1c263dfe20093" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded colored v1.7.0
[INFO] [stderr]   Downloaded libc v0.2.51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ec19859a0328260422ef05caf85b2dbbcc4ada3a7c39dd2c0a7d272135ed98b8
[INFO] running `Command { std: "docker" "start" "ec19859a0328260422ef05caf85b2dbbcc4ada3a7c39dd2c0a7d272135ed98b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ec19859a0328260422ef05caf85b2dbbcc4ada3a7c39dd2c0a7d272135ed98b8" "/opt/rustwide/cargo-home/bin/cargo" "+029c9e18dd1f4668e1d42bb187c1c263dfe20093" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec19859a0328260422ef05caf85b2dbbcc4ada3a7c39dd2c0a7d272135ed98b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ec19859a0328260422ef05caf85b2dbbcc4ada3a7c39dd2c0a7d272135ed98b8" "/opt/rustwide/cargo-home/bin/cargo" "+029c9e18dd1f4668e1d42bb187c1c263dfe20093" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking colored v1.7.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking rust-chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:19:27
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut protocol: Box<Protocol> = match protocol_command.as_ref() {
[INFO] [stdout]    |                           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut protocol: Box<dyn Protocol> = match protocol_command.as_ref() {
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/engine/mod.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct GoParams {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 27 |     pub search_moves: Vec<Move>,
[INFO] [stdout] 28 |     pub ponder: bool,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 29 |     pub wtime: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 30 |     pub btime: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 31 |     pub winc: i32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 32 |     pub binc: i32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 33 |     pub movestogo: i32,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 34 |     pub depth: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 35 |     pub nodes: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 36 |     pub mate: i32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 37 |     pub movetime: i32,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 38 |     pub infinite: bool,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GoParams` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:19:27
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut protocol: Box<Protocol> = match protocol_command.as_ref() {
[INFO] [stdout]    |                           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut protocol: Box<dyn Protocol> = match protocol_command.as_ref() {
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/engine/mod.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct GoParams {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 27 |     pub search_moves: Vec<Move>,
[INFO] [stdout] 28 |     pub ponder: bool,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 29 |     pub wtime: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 30 |     pub btime: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 31 |     pub winc: i32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 32 |     pub binc: i32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 33 |     pub movestogo: i32,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 34 |     pub depth: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 35 |     pub nodes: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 36 |     pub mate: i32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 37 |     pub movetime: i32,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 38 |     pub infinite: bool,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GoParams` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `Command { std: "docker" "inspect" "ec19859a0328260422ef05caf85b2dbbcc4ada3a7c39dd2c0a7d272135ed98b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec19859a0328260422ef05caf85b2dbbcc4ada3a7c39dd2c0a7d272135ed98b8", kill_on_drop: false }`
[INFO] [stdout] ec19859a0328260422ef05caf85b2dbbcc4ada3a7c39dd2c0a7d272135ed98b8
