[INFO] fetching crate cuberef_client 0.0.1...
[INFO] checking cuberef_client-0.0.1 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate cuberef_client 0.0.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate cuberef_client 0.0.1 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 crates.io crate cuberef_client 0.0.1
[INFO] finished tweaking crates.io crate cuberef_client 0.0.1
[INFO] tweaked toml for crates.io crate cuberef_client 0.0.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate cuberef_client 0.0.1 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 strict-num v0.1.0
[INFO] [stderr]   Downloaded png v0.17.8
[INFO] [stderr]   Downloaded simd-adler32 v0.3.5
[INFO] [stderr]   Downloaded vulkano-macros v0.33.0
[INFO] [stderr]   Downloaded tokio-scoped v0.2.0
[INFO] [stderr]   Downloaded vulkano-win v0.33.0
[INFO] [stderr]   Downloaded tonic-build v0.9.1
[INFO] [stderr]   Downloaded float-cmp v0.4.0
[INFO] [stderr]   Downloaded nearly_eq v0.2.4
[INFO] [stderr]   Downloaded line_drawing v1.0.0
[INFO] [stderr]   Downloaded clap_derive v4.3.0
[INFO] [stderr]   Downloaded texture_packer v0.25.0
[INFO] [stderr]   Downloaded serde_derive v1.0.163
[INFO] [stderr]   Downloaded clap v4.3.0
[INFO] [stderr]   Downloaded clap_builder v4.3.0
[INFO] [stderr]   Downloaded rustix v0.37.8
[INFO] [stderr]   Downloaded image v0.24.6
[INFO] [stderr]   Downloaded exr v1.6.3
[INFO] [stderr]   Downloaded axum v0.6.12
[INFO] [stderr]   Downloaded vulkano v0.33.0
[INFO] [stderr]   Downloaded serde v1.0.163
[INFO] [stderr]   Downloaded winnow v0.4.5
[INFO] [stderr]   Downloaded ttf-parser v0.19.0
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.16.0
[INFO] [stderr]   Downloaded tokio-rustls v0.24.0
[INFO] [stderr]   Downloaded calloop v0.10.5
[INFO] [stderr]   Downloaded prost-build v0.11.8
[INFO] [stderr]   Downloaded xmlparser v0.13.5
[INFO] [stderr]   Downloaded vulkano-shaders v0.33.0
[INFO] [stderr]   Downloaded axum-core v0.3.3
[INFO] [stderr]   Downloaded shaderc v0.8.2
[INFO] [stderr]   Downloaded cuberef_core v0.0.1
[INFO] [stderr]   Downloaded vec3D v0.3.0
[INFO] [stderr]   Downloaded microbench v0.5.0
[INFO] [stderr]   Downloaded vk-parse v0.8.0
[INFO] [stderr]   Downloaded shaderc-sys v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6fa5fd936be9c9c0f58cc13e65f1ddb5da0ca2c6ad52fba318de9f3a93a0b14b
[INFO] running `Command { std: "docker" "start" "-a" "6fa5fd936be9c9c0f58cc13e65f1ddb5da0ca2c6ad52fba318de9f3a93a0b14b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fa5fd936be9c9c0f58cc13e65f1ddb5da0ca2c6ad52fba318de9f3a93a0b14b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fa5fd936be9c9c0f58cc13e65f1ddb5da0ca2c6ad52fba318de9f3a93a0b14b", kill_on_drop: false }`
[INFO] [stdout] 6fa5fd936be9c9c0f58cc13e65f1ddb5da0ca2c6ad52fba318de9f3a93a0b14b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a65948bc3e952a2c94088b298a1916fc428ea3dfd7e81d2a9c3ccb62f76f969f
[INFO] running `Command { std: "docker" "start" "-a" "a65948bc3e952a2c94088b298a1916fc428ea3dfd7e81d2a9c3ccb62f76f969f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]     Checking simd-adler32 v0.3.5
[INFO] [stderr]    Compiling tokio v1.28.0
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling rustix v0.37.8
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[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]    Compiling crossbeam-epoch v0.9.14
[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" "a65948bc3e952a2c94088b298a1916fc428ea3dfd7e81d2a9c3ccb62f76f969f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a65948bc3e952a2c94088b298a1916fc428ea3dfd7e81d2a9c3ccb62f76f969f", kill_on_drop: false }`
[INFO] [stdout] a65948bc3e952a2c94088b298a1916fc428ea3dfd7e81d2a9c3ccb62f76f969f
