[INFO] cloning repository https://github.com/jameslinimk/chess-ai
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jameslinimk/chess-ai" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjameslinimk%2Fchess-ai", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjameslinimk%2Fchess-ai'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 420dc3e7d2e21fd4c6b69e6b694df2d54fe84416
[INFO] checking jameslinimk/chess-ai against master#6162f6f12339aa81fe16b8a64644ead497e411b2 for pr-113240
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjameslinimk%2Fchess-ai" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jameslinimk/chess-ai on toolchain 6162f6f12339aa81fe16b8a64644ead497e411b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/jameslinimk/chess-ai
[INFO] finished tweaking git repo https://github.com/jameslinimk/chess-ai
[INFO] tweaked toml for git repo https://github.com/jameslinimk/chess-ai written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jameslinimk/chess-ai 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" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quad-alsa-sys v0.3.2
[INFO] [stderr]   Downloaded audir-sles v0.1.0
[INFO] [stderr]   Downloaded quad-rand v0.2.1
[INFO] [stderr]   Downloaded lewton v0.9.4
[INFO] [stderr]   Downloaded ogg v0.7.1
[INFO] [stderr]   Downloaded bit_field v0.10.2
[INFO] [stderr]   Downloaded macroquad_macro v0.1.7
[INFO] [stderr]   Downloaded dasp_frame v0.11.0
[INFO] [stderr]   Downloaded dasp_sample v0.11.0
[INFO] [stderr]   Downloaded hound v3.5.0
[INFO] [stderr]   Downloaded zune-inflate v0.2.51
[INFO] [stderr]   Downloaded spin v0.9.5
[INFO] [stderr]   Downloaded serde_derive v1.0.155
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.7
[INFO] [stderr]   Downloaded miniquad v0.3.14
[INFO] [stderr]   Downloaded quad-snd v0.2.7
[INFO] [stderr]   Downloaded ttf-parser v0.15.2
[INFO] [stderr]   Downloaded exr v1.6.3
[INFO] [stderr]   Downloaded glam v0.21.3
[INFO] [stderr]   Downloaded macroquad v0.3.25
[INFO] [stderr]   Downloaded fontdue v0.7.2
[INFO] [stderr]   Downloaded serde v1.0.155
[INFO] [stderr]   Downloaded audrey v0.3.0
[INFO] [stderr]   Downloaded simd-adler32 v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b84a49954d3896b80668e27908fd66b3a896601a32180319a9e194de2e34b1dd
[INFO] running `Command { std: "docker" "start" "-a" "b84a49954d3896b80668e27908fd66b3a896601a32180319a9e194de2e34b1dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b84a49954d3896b80668e27908fd66b3a896601a32180319a9e194de2e34b1dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b84a49954d3896b80668e27908fd66b3a896601a32180319a9e194de2e34b1dd", kill_on_drop: false }`
[INFO] [stdout] b84a49954d3896b80668e27908fd66b3a896601a32180319a9e194de2e34b1dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e7ce8ff42379170e7f73128980257e23b9cf483f249622628f138bc70d3f9b5
[INFO] running `Command { std: "docker" "start" "-a" "2e7ce8ff42379170e7f73128980257e23b9cf483f249622628f138bc70d3f9b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]    Compiling openssl-sys v0.9.80
[INFO] [stderr]    Compiling futures-task v0.3.27
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling futures-util v0.3.27
[INFO] [stderr]    Compiling serde_derive v1.0.155
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking futures-sink v0.3.27
[INFO] [stderr]    Compiling futures-channel v0.3.27
[INFO] [stderr]    Compiling serde v1.0.155
[INFO] [stderr]    Compiling quad-alsa-sys v0.3.2
[INFO] [stderr]     Checking futures-io v0.3.27
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking ogg v0.7.1
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]     Checking dasp_sample v0.11.0
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/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]     Checking flate2 v1.0.25
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling quad-snd v0.2.7
[INFO] [stderr]    Compiling miniquad v0.3.14
[INFO] [stderr]     Checking hound v3.5.0
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2e7ce8ff42379170e7f73128980257e23b9cf483f249622628f138bc70d3f9b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e7ce8ff42379170e7f73128980257e23b9cf483f249622628f138bc70d3f9b5", kill_on_drop: false }`
[INFO] [stdout] 2e7ce8ff42379170e7f73128980257e23b9cf483f249622628f138bc70d3f9b5