[INFO] fetching crate audio-processor-graph 2.1.0...
[INFO] checking audio-processor-graph-2.1.0 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate audio-processor-graph 2.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate audio-processor-graph 2.1.0 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate audio-processor-graph 2.1.0
[INFO] finished tweaking crates.io crate audio-processor-graph 2.1.0
[INFO] tweaked toml for crates.io crate audio-processor-graph 2.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate audio-processor-graph 2.1.0 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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "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 cookie-factory v0.3.2
[INFO] [stderr]   Downloaded daggy v0.8.0
[INFO] [stderr]   Downloaded coremidi-sys v3.1.0
[INFO] [stderr]   Downloaded assert_no_alloc v1.1.2
[INFO] [stderr]   Downloaded memalloc v0.1.0
[INFO] [stderr]   Downloaded midir v0.8.0
[INFO] [stderr]   Downloaded augmented-midi v1.6.0
[INFO] [stderr]   Downloaded augmented-dsp-filters v2.2.0
[INFO] [stderr]   Downloaded coremidi v0.6.0
[INFO] [stderr]   Downloaded ringbuf v0.2.8
[INFO] [stderr]   Downloaded safe_arch v0.6.0
[INFO] [stderr]   Downloaded vst v0.3.0
[INFO] [stderr]   Downloaded wide v0.7.8
[INFO] [stderr]   Downloaded atomic-queue v1.0.1
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.32.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.32.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.32.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.32.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.32.0
[INFO] [stderr]   Downloaded audio-processor-standalone v3.1.0
[INFO] [stderr]   Downloaded petgraph v0.6.3
[INFO] [stderr]   Downloaded clap v3.2.23
[INFO] [stderr]   Downloaded alsa v0.6.0
[INFO] [stderr]   Downloaded matrixmultiply v0.3.2
[INFO] [stderr]   Downloaded textwrap v0.16.0
[INFO] [stderr]   Downloaded audio-processor-time v1.2.0
[INFO] [stderr]   Downloaded os_str_bytes v6.5.0
[INFO] [stderr]   Downloaded audio-processor-utility v2.1.0
[INFO] [stderr]   Downloaded audio-processor-standalone-midi v1.8.0
[INFO] [stderr]   Downloaded windows v0.32.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5febcc8b0d24017c8d47e06430a5be74eed969d934056884e40d985296777da4
[INFO] running `Command { std: "docker" "start" "-a" "5febcc8b0d24017c8d47e06430a5be74eed969d934056884e40d985296777da4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5febcc8b0d24017c8d47e06430a5be74eed969d934056884e40d985296777da4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5febcc8b0d24017c8d47e06430a5be74eed969d934056884e40d985296777da4", kill_on_drop: false }`
[INFO] [stdout] 5febcc8b0d24017c8d47e06430a5be74eed969d934056884e40d985296777da4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed327b4450a5bbdb40b5e03a86cf3919dbca51fa6e393140f99caa57df8561be
[INFO] running `Command { std: "docker" "start" "-a" "ed327b4450a5bbdb40b5e03a86cf3919dbca51fa6e393140f99caa57df8561be", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.53
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling winnow v0.3.6
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]    Compiling toml_datetime v0.6.1
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]     Checking basedrop v0.1.2
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.53/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 symphonia-core v0.5.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[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" "ed327b4450a5bbdb40b5e03a86cf3919dbca51fa6e393140f99caa57df8561be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed327b4450a5bbdb40b5e03a86cf3919dbca51fa6e393140f99caa57df8561be", kill_on_drop: false }`
[INFO] [stdout] ed327b4450a5bbdb40b5e03a86cf3919dbca51fa6e393140f99caa57df8561be
