[INFO] fetching crate midi_fundsp 0.2.1...
[INFO] checking midi_fundsp-0.2.1 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate midi_fundsp 0.2.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate midi_fundsp 0.2.1 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate midi_fundsp 0.2.1
[INFO] finished tweaking crates.io crate midi_fundsp 0.2.1
[INFO] tweaked toml for crates.io crate midi_fundsp 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate midi_fundsp 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded midi-msg v0.4.0
[INFO] [stderr]   Downloaded symphonia-codec-pcm v0.5.3
[INFO] [stderr]   Downloaded coremidi-sys v3.1.0
[INFO] [stderr]   Downloaded symphonia-codec-adpcm v0.5.3
[INFO] [stderr]   Downloaded symphonia-utils-xiph v0.5.3
[INFO] [stderr]   Downloaded symphonia-format-wav v0.5.3
[INFO] [stderr]   Downloaded coremidi v0.6.0
[INFO] [stderr]   Downloaded bare_metal_modulo v1.1.2
[INFO] [stderr]   Downloaded proc-macro-crate v1.2.1
[INFO] [stderr]   Downloaded dyn-clone v1.0.11
[INFO] [stderr]   Downloaded midir v0.9.1
[INFO] [stderr]   Downloaded duplicate v1.0.0
[INFO] [stderr]   Downloaded symphonia-codec-vorbis v0.5.3
[INFO] [stderr]   Downloaded symphonia-bundle-mp3 v0.5.3
[INFO] [stderr]   Downloaded bstr v1.0.1
[INFO] [stderr]   Downloaded rustfft v6.1.0
[INFO] [stderr]   Downloaded fundsp v0.15.0
[INFO] [stderr]   Downloaded symphonia-core v0.5.3
[INFO] [stderr]   Downloaded thingbuf v0.1.4
[INFO] [stderr]   Downloaded serde v1.0.148
[INFO] [stderr]   Downloaded micromath v1.1.1
[INFO] [stderr]   Downloaded symphonia-format-isomp4 v0.5.3
[INFO] [stderr]   Downloaded bytemuck v1.12.3
[INFO] [stderr]   Downloaded numeric-array v0.5.2
[INFO] [stderr]   Downloaded symphonia-codec-aac v0.5.3
[INFO] [stderr]   Downloaded symphonia-codec-alac v0.5.3
[INFO] [stderr]   Downloaded symphonia-format-mkv v0.5.3
[INFO] [stderr]   Downloaded symphonia-format-ogg v0.5.3
[INFO] [stderr]   Downloaded symphonia v0.5.3
[INFO] [stderr]   Downloaded read_input v0.8.6
[INFO] [stderr]   Downloaded rsor v0.1.3
[INFO] [stderr]   Downloaded primal-check v0.3.3
[INFO] [stderr]   Downloaded transpose v0.2.2
[INFO] [stderr]   Downloaded symphonia-bundle-flac v0.5.3
[INFO] [stderr]   Downloaded funutd v0.12.1
[INFO] [stderr]   Downloaded symphonia-metadata v0.5.3
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c3b1b4dda31959d745c7397687a26aa3158d78d0d58acf47030f8336bbaff08
[INFO] running `Command { std: "docker" "start" "-a" "8c3b1b4dda31959d745c7397687a26aa3158d78d0d58acf47030f8336bbaff08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c3b1b4dda31959d745c7397687a26aa3158d78d0d58acf47030f8336bbaff08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c3b1b4dda31959d745c7397687a26aa3158d78d0d58acf47030f8336bbaff08", kill_on_drop: false }`
[INFO] [stdout] 8c3b1b4dda31959d745c7397687a26aa3158d78d0d58acf47030f8336bbaff08
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c857692e3908f50da3c0e65b094062ab79fd823d5cd3f9e3c7ad3c77835233c8
[INFO] running `Command { std: "docker" "start" "-a" "c857692e3908f50da3c0e65b094062ab79fd823d5cd3f9e3c7ad3c77835233c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]     Checking bytemuck v1.12.3
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rustfft v6.1.0
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]     Checking glam v0.24.2
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]     Checking dyn-clone v1.0.11
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking symphonia-core v0.5.3
[INFO] [stderr]    Compiling cpal v0.15.0
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]     Checking rsor v0.1.3
[INFO] [stderr]     Checking micromath v1.1.1
[INFO] [stderr]     Checking dasp_sample v0.11.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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 read_input v0.8.6
[INFO] [stderr]     Checking primal-check v0.3.3
[INFO] [stderr]     Checking transpose v0.2.2
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking bstr v1.0.1
[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" "c857692e3908f50da3c0e65b094062ab79fd823d5cd3f9e3c7ad3c77835233c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c857692e3908f50da3c0e65b094062ab79fd823d5cd3f9e3c7ad3c77835233c8", kill_on_drop: false }`
[INFO] [stdout] c857692e3908f50da3c0e65b094062ab79fd823d5cd3f9e3c7ad3c77835233c8
