[INFO] fetching crate chessbored 0.4.0...
[INFO] testing chessbored-0.4.0 against 1.97.0-beta.6 for beta-1.98-2
[INFO] extracting crate chessbored 0.4.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate chessbored 0.4.0
[INFO] finished tweaking crates.io crate chessbored 0.4.0
[INFO] tweaked toml for crates.io crate chessbored 0.4.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate chessbored 0.4.0 on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate chessbored 0.4.0 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" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 677bf8593b41bed1f7ab8271da75b8b7091f44c12f59b5c852f76de8c471db86
[INFO] running `Command { std: "docker" "start" "677bf8593b41bed1f7ab8271da75b8b7091f44c12f59b5c852f76de8c471db86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "677bf8593b41bed1f7ab8271da75b8b7091f44c12f59b5c852f76de8c471db86", 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" "677bf8593b41bed1f7ab8271da75b8b7091f44c12f59b5c852f76de8c471db86" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "677bf8593b41bed1f7ab8271da75b8b7091f44c12f59b5c852f76de8c471db86", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "677bf8593b41bed1f7ab8271da75b8b7091f44c12f59b5c852f76de8c471db86" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling chessbored v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `dark_square_bytes` and `light_square_bytes` are never read
[INFO] [stdout]   --> src/assets.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct BoardAssets {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout]  9 |     pub dark_square_bytes: Vec<u8>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 10 |     pub light_square_bytes: Vec<u8>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BoardAssets` has a derived impl for the trait `Debug`, 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: struct `CopyElement` is never constructed
[INFO] [stdout]   --> src/fen.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct CopyElement;
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CopyText` is never constructed
[INFO] [stdout]   --> src/fen.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct CopyText;
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 57s
[INFO] running `Command { std: "docker" "inspect" "677bf8593b41bed1f7ab8271da75b8b7091f44c12f59b5c852f76de8c471db86", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "677bf8593b41bed1f7ab8271da75b8b7091f44c12f59b5c852f76de8c471db86" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling chessbored v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `dark_square_bytes` and `light_square_bytes` are never read
[INFO] [stdout]   --> src/assets.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct BoardAssets {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout]  9 |     pub dark_square_bytes: Vec<u8>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 10 |     pub light_square_bytes: Vec<u8>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BoardAssets` has a derived impl for the trait `Debug`, 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: struct `CopyElement` is never constructed
[INFO] [stdout]   --> src/fen.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct CopyElement;
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CopyText` is never constructed
[INFO] [stdout]   --> src/fen.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct CopyText;
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.16s
[INFO] running `Command { std: "docker" "inspect" "677bf8593b41bed1f7ab8271da75b8b7091f44c12f59b5c852f76de8c471db86", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "677bf8593b41bed1f7ab8271da75b8b7091f44c12f59b5c852f76de8c471db86" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: fields `dark_square_bytes` and `light_square_bytes` are never read
[INFO] [stderr]   --> src/assets.rs:9:9
[INFO] [stderr]    |
[INFO] [stderr]  8 | pub struct BoardAssets {
[INFO] [stderr]    |            ----------- fields in this struct
[INFO] [stderr]  9 |     pub dark_square_bytes: Vec<u8>,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 10 |     pub light_square_bytes: Vec<u8>,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `BoardAssets` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `CopyElement` is never constructed
[INFO] [stderr]   --> src/fen.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub struct CopyElement;
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `CopyText` is never constructed
[INFO] [stderr]   --> src/fen.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub struct CopyText;
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `chessbored` (bin "chessbored" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chessbored-8058334ded854a51)
[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" "677bf8593b41bed1f7ab8271da75b8b7091f44c12f59b5c852f76de8c471db86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "677bf8593b41bed1f7ab8271da75b8b7091f44c12f59b5c852f76de8c471db86", kill_on_drop: false }`
[INFO] [stdout] 677bf8593b41bed1f7ab8271da75b8b7091f44c12f59b5c852f76de8c471db86
