[INFO] fetching crate uni-snd 0.2.1... [INFO] building uni-snd-0.2.1 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1 [INFO] extracting crate uni-snd 0.2.1 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate uni-snd 0.2.1 [INFO] finished tweaking crates.io crate uni-snd 0.2.1 [INFO] tweaked toml for crates.io crate uni-snd 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate uni-snd 0.2.1 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate uni-snd 0.2.1 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded downcast-rs v1.1.1 [INFO] [stderr] Downloaded xml-rs v0.8.0 [INFO] [stderr] Downloaded version_check v0.9.1 [INFO] [stderr] Downloaded cexpr v0.4.0 [INFO] [stderr] Downloaded coreaudio-sys v0.2.4 [INFO] [stderr] Downloaded uni-app v0.2.0 [INFO] [stderr] Downloaded glutin v0.29.1 [INFO] [stderr] Downloaded lazycell v1.2.1 [INFO] [stderr] Downloaded alsa v0.6.0 [INFO] [stderr] Downloaded clang-sys v0.29.2 [INFO] [stderr] Downloaded num-traits v0.2.11 [INFO] [stderr] Downloaded serde_derive v1.0.104 [INFO] [stderr] Downloaded bytes v1.2.1 [INFO] [stderr] Downloaded bindgen v0.53.2 [INFO] [stderr] Downloaded cpal v0.14.0 [INFO] [stderr] Downloaded bumpalo v3.2.0 [INFO] [stderr] Downloaded serde v1.0.104 [INFO] [stderr] Downloaded oboe v0.4.6 [INFO] [stderr] Downloaded x11-dl v2.18.5 [INFO] [stderr] Downloaded nom v5.1.1 [INFO] [stderr] Downloaded regex-syntax v0.6.17 [INFO] [stderr] Downloaded oboe-sys v0.4.5 [INFO] [stderr] Downloaded winit v0.27.4 [INFO] [stderr] Downloaded stdweb v0.1.3 [INFO] [stderr] Downloaded regex v1.3.5 [INFO] [stderr] Downloaded pkg-config v0.3.17 [INFO] [stderr] Downloaded wayland-egl v0.29.5 [INFO] [stderr] Downloaded shlex v0.1.1 [INFO] [stderr] Downloaded windows_x86_64_msvc v0.37.0 [INFO] [stderr] Downloaded windows_aarch64_msvc v0.37.0 [INFO] [stderr] Downloaded windows_i686_gnu v0.37.0 [INFO] [stderr] Downloaded windows_i686_msvc v0.37.0 [INFO] [stderr] Downloaded windows_x86_64_gnu v0.37.0 [INFO] [stderr] Downloaded windows v0.37.0 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cdc4d8897576cfe8891cdd37437c8f0aead138bbaa3769ec096521d65e1e560c [INFO] running `Command { std: "docker" "start" "-a" "cdc4d8897576cfe8891cdd37437c8f0aead138bbaa3769ec096521d65e1e560c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cdc4d8897576cfe8891cdd37437c8f0aead138bbaa3769ec096521d65e1e560c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cdc4d8897576cfe8891cdd37437c8f0aead138bbaa3769ec096521d65e1e560c", kill_on_drop: false }` [INFO] [stdout] cdc4d8897576cfe8891cdd37437c8f0aead138bbaa3769ec096521d65e1e560c [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d572c2b86e2eed7188c43987d6fe8e5eb415639ebc2e810b016482fcf1b81b93 [INFO] running `Command { std: "docker" "start" "-a" "d572c2b86e2eed7188c43987d6fe8e5eb415639ebc2e810b016482fcf1b81b93", kill_on_drop: false }` [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Compiling libc v0.2.134 [INFO] [stderr] Compiling proc-macro2 v1.0.46 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling unicode-ident v1.0.5 [INFO] [stderr] Compiling xml-rs v0.8.0 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling syn v1.0.102 [INFO] [stderr] Compiling smallvec v1.10.0 [INFO] [stderr] Compiling libloading v0.7.3 [INFO] [stderr] Compiling khronos_api v3.1.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling once_cell v1.15.0 [INFO] [stderr] Compiling thiserror v1.0.37 [INFO] [stderr] Compiling scoped-tls v1.0.0 [INFO] [stderr] Compiling dlib v0.5.0 [INFO] [stderr] Compiling downcast-rs v1.1.1 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling minimal-lexical v0.2.1 [INFO] [stderr] Compiling miniz_oxide v0.5.4 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Compiling bytemuck v1.12.1 [INFO] [stderr] Compiling foreign-types-shared v0.3.1 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.46/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 arrayref v0.3.6 [INFO] [stderr] Compiling lock_api v0.4.6 [INFO] [stderr] Compiling arrayvec v0.5.2 [INFO] [stderr] Compiling cty v0.2.2 [INFO] [stderr] Compiling cmake v0.1.48 [INFO] [stderr] Compiling nom v7.1.1 [INFO] [stderr] Compiling raw-window-handle v0.4.3 [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" "d572c2b86e2eed7188c43987d6fe8e5eb415639ebc2e810b016482fcf1b81b93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d572c2b86e2eed7188c43987d6fe8e5eb415639ebc2e810b016482fcf1b81b93", kill_on_drop: false }` [INFO] [stdout] d572c2b86e2eed7188c43987d6fe8e5eb415639ebc2e810b016482fcf1b81b93