[INFO] cloning repository https://github.com/CHB2025/chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CHB2025/chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCHB2025%2Fchess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCHB2025%2Fchess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85620cc30506f666b0a7f0fc93b70b2046c55ba0
[INFO] testing CHB2025/chess against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCHB2025%2Fchess" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/CHB2025/chess
[INFO] finished tweaking git repo https://github.com/CHB2025/chess
[INFO] tweaked toml for git repo https://github.com/CHB2025/chess written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CHB2025/chess on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/CHB2025/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" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b49a564727cc0a9daa258927ce554f6037e96a0af676cac4175dc3de5d741a79
[INFO] running `Command { std: "docker" "start" "-a" "b49a564727cc0a9daa258927ce554f6037e96a0af676cac4175dc3de5d741a79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b49a564727cc0a9daa258927ce554f6037e96a0af676cac4175dc3de5d741a79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b49a564727cc0a9daa258927ce554f6037e96a0af676cac4175dc3de5d741a79", kill_on_drop: false }`
[INFO] [stdout] b49a564727cc0a9daa258927ce554f6037e96a0af676cac4175dc3de5d741a79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 609fa26c2b3f8dcb678759126c001584e2fcfe66f17fbdbbebad71e20be85fa2
[INFO] running `Command { std: "docker" "start" "-a" "609fa26c2b3f8dcb678759126c001584e2fcfe66f17fbdbbebad71e20be85fa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.7.3
[INFO] [stderr]    Compiling serde_arrays v0.1.0
[INFO] [stderr]    Compiling chb_chess v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/board/builder.rs:369:26
[INFO] [stdout]     |
[INFO] [stdout] 369 |         board.modify(|m| (m.toggle_color_to_move()));
[INFO] [stdout]     |                          ^                        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 369 -         board.modify(|m| (m.toggle_color_to_move()));
[INFO] [stdout] 369 +         board.modify(|m| m.toggle_color_to_move() );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.08s
[INFO] running `Command { std: "docker" "inspect" "609fa26c2b3f8dcb678759126c001584e2fcfe66f17fbdbbebad71e20be85fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "609fa26c2b3f8dcb678759126c001584e2fcfe66f17fbdbbebad71e20be85fa2", kill_on_drop: false }`
[INFO] [stdout] 609fa26c2b3f8dcb678759126c001584e2fcfe66f17fbdbbebad71e20be85fa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dbf6f77b2e243f777213e5ebf179e4c2759d30014bf5e41cfba8bd54b36f43d
[INFO] running `Command { std: "docker" "start" "-a" "6dbf6f77b2e243f777213e5ebf179e4c2759d30014bf5e41cfba8bd54b36f43d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling ciborium-io v0.2.0
[INFO] [stderr]    Compiling os_str_bytes v6.5.0
[INFO] [stderr]    Compiling plotters-backend v0.3.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling plotters-svg v0.3.3
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6dbf6f77b2e243f777213e5ebf179e4c2759d30014bf5e41cfba8bd54b36f43d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dbf6f77b2e243f777213e5ebf179e4c2759d30014bf5e41cfba8bd54b36f43d", kill_on_drop: false }`
[INFO] [stdout] 6dbf6f77b2e243f777213e5ebf179e4c2759d30014bf5e41cfba8bd54b36f43d
