[INFO] fetching crate friendly-chess 0.6.0...
[INFO] checking friendly-chess-0.6.0 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate friendly-chess 0.6.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate friendly-chess 0.6.0 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate friendly-chess 0.6.0
[INFO] finished tweaking crates.io crate friendly-chess 0.6.0
[INFO] tweaked toml for crates.io crate friendly-chess 0.6.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a32a210655ddbc74673932eb1d9a58359338b2504a128d1ddac4cc5739c1d31d
[INFO] running `Command { std: "docker" "start" "-a" "a32a210655ddbc74673932eb1d9a58359338b2504a128d1ddac4cc5739c1d31d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a32a210655ddbc74673932eb1d9a58359338b2504a128d1ddac4cc5739c1d31d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a32a210655ddbc74673932eb1d9a58359338b2504a128d1ddac4cc5739c1d31d", kill_on_drop: false }`
[INFO] [stdout] a32a210655ddbc74673932eb1d9a58359338b2504a128d1ddac4cc5739c1d31d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4359fa06c5814785cfcb80808ea4ca3a386b5b7a5a997caa4d0fd0801f5c60e
[INFO] running `Command { std: "docker" "start" "-a" "b4359fa06c5814785cfcb80808ea4ca3a386b5b7a5a997caa4d0fd0801f5c60e", kill_on_drop: false }`
[INFO] [stderr]     Checking friendly-chess v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Castling`, `PieceType`, and `Piece`
[INFO] [stdout]  --> src/chess/history.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 |     castling::{Castling, CastlingRights},
[INFO] [stdout]   |                ^^^^^^^^
[INFO] [stdout] 3 |     play_move::InternalMove,
[INFO] [stdout] 4 |     Color, Kings, Piece, PieceType, SquareCoordinate,
[INFO] [stdout]   |                   ^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `__BAD_COORD` should have an upper camel case name
[INFO] [stdout]   --> src/chess/square.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     __BAD_COORD = 200
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `BadCoord`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `piece::*`
[INFO] [stdout]   --> src/chess/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use piece::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]     --> src/chess/mod.rs:1237:16
[INFO] [stdout]      |
[INFO] [stdout] 1237 |             if (rank == 8 || rank == 1) {
[INFO] [stdout]      |                ^                      ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1237 -             if (rank == 8 || rank == 1) {
[INFO] [stdout] 1237 +             if rank == 8 || rank == 1 {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Castling`, `PieceType`, and `Piece`
[INFO] [stdout]  --> src/chess/history.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 |     castling::{Castling, CastlingRights},
[INFO] [stdout]   |                ^^^^^^^^
[INFO] [stdout] 3 |     play_move::InternalMove,
[INFO] [stdout] 4 |     Color, Kings, Piece, PieceType, SquareCoordinate,
[INFO] [stdout]   |                   ^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `__BAD_COORD` should have an upper camel case name
[INFO] [stdout]   --> src/chess/square.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     __BAD_COORD = 200
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `BadCoord`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `piece::*`
[INFO] [stdout]   --> src/chess/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use piece::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]     --> src/chess/mod.rs:1237:16
[INFO] [stdout]      |
[INFO] [stdout] 1237 |             if (rank == 8 || rank == 1) {
[INFO] [stdout]      |                ^                      ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1237 -             if (rank == 8 || rank == 1) {
[INFO] [stdout] 1237 +             if rank == 8 || rank == 1 {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cnt` is never read
[INFO] [stdout]    --> src/chess/mod.rs:811:17
[INFO] [stdout]     |
[INFO] [stdout] 811 |         let mut cnt = Ok(0);
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]     --> src/chess/mod.rs:1091:29
[INFO] [stdout]      |
[INFO] [stdout] 1091 |                         let a = 1;
[INFO] [stdout]      |                             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cnt` is never read
[INFO] [stdout]    --> src/chess/mod.rs:811:17
[INFO] [stdout]     |
[INFO] [stdout] 811 |         let mut cnt = Ok(0);
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]     --> src/chess/mod.rs:1091:29
[INFO] [stdout]      |
[INFO] [stdout] 1091 |                         let a = 1;
[INFO] [stdout]      |                             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `checkmate`
[INFO] [stdout]  --> tests/checkmate.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use checkmate::chess::*;
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `checkmate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `checkmate`
[INFO] [stdout]  --> tests/stalemate.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use checkmate::chess::*;
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `checkmate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `checkmate`
[INFO] [stdout]  --> tests/check.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use checkmate::chess::*;
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `checkmate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `checkmate`
[INFO] [stdout]  --> tests/insufficient_materials.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use checkmate::chess::*;
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `checkmate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Chess`
[INFO] [stdout]   --> tests/stalemate.rs:15:21
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut chess = Chess::new();
[INFO] [stdout]    |                     ^^^^^ use of undeclared type `Chess`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  + use friendly_chess::chess::Chess;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Chess`
[INFO] [stdout]   --> tests/checkmate.rs:17:21
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut chess = Chess::new();
[INFO] [stdout]    |                     ^^^^^ use of undeclared type `Chess`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  + use friendly_chess::chess::Chess;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Chess`
[INFO] [stdout]   --> tests/insufficient_materials.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut chess = Chess::new();
[INFO] [stdout]    |                     ^^^^^ use of undeclared type `Chess`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  + use friendly_chess::chess::Chess;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Chess`
[INFO] [stdout]  --> tests/check.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut chess = Chess::new();
[INFO] [stdout]   |                     ^^^^^ use of undeclared type `Chess`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 1 + use friendly_chess::chess::Chess;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Chess`
[INFO] [stdout]   --> tests/check.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut chess = Chess::new();
[INFO] [stdout]    |                     ^^^^^ use of undeclared type `Chess`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  + use friendly_chess::chess::Chess;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Chess`
[INFO] [stdout]   --> tests/check.rs:23:21
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut chess = Chess::new();
[INFO] [stdout]    |                     ^^^^^ use of undeclared type `Chess`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  + use friendly_chess::chess::Chess;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Chess`
[INFO] [stdout]   --> tests/check.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut chess = Chess::new();
[INFO] [stdout]    |                     ^^^^^ use of undeclared type `Chess`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  + use friendly_chess::chess::Chess;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `friendly-chess` (test "stalemate") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `friendly-chess` (test "checkmate") due to 3 previous errors
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `friendly-chess` (test "insufficient_materials") due to 3 previous errors
[INFO] [stderr] error: could not compile `friendly-chess` (test "check") due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "b4359fa06c5814785cfcb80808ea4ca3a386b5b7a5a997caa4d0fd0801f5c60e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4359fa06c5814785cfcb80808ea4ca3a386b5b7a5a997caa4d0fd0801f5c60e", kill_on_drop: false }`
[INFO] [stdout] b4359fa06c5814785cfcb80808ea4ca3a386b5b7a5a997caa4d0fd0801f5c60e