[INFO] cloning repository https://github.com/cephandrius22/kutaragi-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cephandrius22/kutaragi-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcephandrius22%2Fkutaragi-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcephandrius22%2Fkutaragi-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc9a72178a420f6fcfe2ee9e428a3f9b1e86b7ba
[INFO] checking cephandrius22/kutaragi-rs/dc9a72178a420f6fcfe2ee9e428a3f9b1e86b7ba against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcephandrius22%2Fkutaragi-rs" "/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/cephandrius22/kutaragi-rs on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cephandrius22/kutaragi-rs
[INFO] finished tweaking git repo https://github.com/cephandrius22/kutaragi-rs
[INFO] tweaked toml for git repo https://github.com/cephandrius22/kutaragi-rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cephandrius22/kutaragi-rs 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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded range-alloc v0.1.2
[INFO] [stderr]   Downloaded wgpu-types v0.14.1
[INFO] [stderr]   Downloaded pixels v0.11.0
[INFO] [stderr]   Downloaded winit_input_helper v0.13.0
[INFO] [stderr]   Downloaded x11-dl v2.20.1
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.33
[INFO] [stderr]   Downloaded pollster v0.2.5
[INFO] [stderr]   Downloaded d3d12 v0.5.0
[INFO] [stderr]   Downloaded calloop v0.10.4
[INFO] [stderr]   Downloaded ultraviolet v0.9.0
[INFO] [stderr]   Downloaded safe_arch v0.6.0
[INFO] [stderr]   Downloaded glam v0.22.0
[INFO] [stderr]   Downloaded naga v0.10.0
[INFO] [stderr]   Downloaded ash v0.37.1+1.3.235
[INFO] [stderr]   Downloaded wgpu v0.14.2
[INFO] [stderr]   Downloaded wide v0.7.5
[INFO] [stderr]   Downloaded wgpu-core v0.14.2
[INFO] [stderr]   Downloaded wgpu-hal v0.14.1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e3dbc0a0c5d42b9bbcb92b24a7d095fe6e3c2a5fb90c93f404a0c1cbeae556f
[INFO] running `Command { std: "docker" "start" "-a" "5e3dbc0a0c5d42b9bbcb92b24a7d095fe6e3c2a5fb90c93f404a0c1cbeae556f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e3dbc0a0c5d42b9bbcb92b24a7d095fe6e3c2a5fb90c93f404a0c1cbeae556f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e3dbc0a0c5d42b9bbcb92b24a7d095fe6e3c2a5fb90c93f404a0c1cbeae556f", kill_on_drop: false }`
[INFO] [stdout] 5e3dbc0a0c5d42b9bbcb92b24a7d095fe6e3c2a5fb90c93f404a0c1cbeae556f
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0036a7c22b9d8b3adf74551ba3fdbaf1b105dad047f07aa15e28f6ebb05d1a9a
[INFO] running `Command { std: "docker" "start" "-a" "0036a7c22b9d8b3adf74551ba3fdbaf1b105dad047f07aa15e28f6ebb05d1a9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]     Checking bytemuck v1.12.3
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/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 scoped-tls v1.0.1
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking raw-window-handle v0.5.0
[INFO] [stderr]    Compiling ash v0.37.1+1.3.235
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.0
[INFO] [stderr]    Compiling crossfont v0.5.1
[INFO] [stderr]    Compiling io-lifetimes v1.0.3
[INFO] [stderr]     Checking foreign-types-shared v0.3.1
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling wgpu-core v0.14.2
[INFO] [stdout] error: aborting due to 1 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" "0036a7c22b9d8b3adf74551ba3fdbaf1b105dad047f07aa15e28f6ebb05d1a9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0036a7c22b9d8b3adf74551ba3fdbaf1b105dad047f07aa15e28f6ebb05d1a9a", kill_on_drop: false }`
[INFO] [stdout] 0036a7c22b9d8b3adf74551ba3fdbaf1b105dad047f07aa15e28f6ebb05d1a9a