[INFO] cloning repository https://github.com/Doublect/chip-8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Doublect/chip-8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDoublect%2Fchip-8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDoublect%2Fchip-8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34788bbf9c5a781c38586eb730deab98d9988a7f
[INFO] checking Doublect/chip-8 against try#73ffebff6f34db7eb167bf9edcf2afa19c3073e9 for pr-147841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDoublect%2Fchip-8" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Doublect/chip-8
[INFO] finished tweaking git repo https://github.com/Doublect/chip-8
[INFO] tweaked toml for git repo https://github.com/Doublect/chip-8 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Doublect/chip-8 on toolchain 73ffebff6f34db7eb167bf9edcf2afa19c3073e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Doublect/chip-8 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" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 571f2278a183a559eb44e0a24f4ce360624eadb73b696b6c0e300c5c57f47179
[INFO] running `Command { std: "docker" "start" "-a" "571f2278a183a559eb44e0a24f4ce360624eadb73b696b6c0e300c5c57f47179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "571f2278a183a559eb44e0a24f4ce360624eadb73b696b6c0e300c5c57f47179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "571f2278a183a559eb44e0a24f4ce360624eadb73b696b6c0e300c5c57f47179", kill_on_drop: false }`
[INFO] [stdout] 571f2278a183a559eb44e0a24f4ce360624eadb73b696b6c0e300c5c57f47179
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccb63124d97efca4f3fc572e024219af8715486b93f509be4fb776e38ab78645
[INFO] running `Command { std: "docker" "start" "-a" "ccb63124d97efca4f3fc572e024219af8715486b93f509be4fb776e38ab78645", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling ash v0.34.0+1.2.203
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking spirv v0.2.0+1.5.4
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.1
[INFO] [stderr]    Compiling wgpu-core v0.12.2
[INFO] [stderr]     Checking gpu-alloc v0.5.3
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling smithay-client-toolkit v0.15.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]     Checking wgpu-types v0.12.0
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling x11-dl v2.20.0
[INFO] [stderr]     Checking inplace_it v0.3.5
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking renderdoc-sys v0.7.1
[INFO] [stderr]     Checking profiling v1.0.7
[INFO] [stderr]     Checking bytemuck v1.12.1
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]    Compiling winit v0.26.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.6
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]    Compiling cpal v0.14.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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 regex-syntax v0.6.27
[INFO] [stderr]     Checking pollster v0.2.5
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking safe_arch v0.5.2
[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" "ccb63124d97efca4f3fc572e024219af8715486b93f509be4fb776e38ab78645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccb63124d97efca4f3fc572e024219af8715486b93f509be4fb776e38ab78645", kill_on_drop: false }`
[INFO] [stdout] ccb63124d97efca4f3fc572e024219af8715486b93f509be4fb776e38ab78645
