[INFO] fetching crate midi_fundsp 0.2.1...
[INFO] checking midi_fundsp-0.2.1 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[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 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded coremidi-sys v3.1.0
[INFO] [stderr]   Downloaded symphonia-codec-pcm v0.5.3
[INFO] [stderr]   Downloaded symphonia-utils-xiph v0.5.3
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.11
[INFO] [stderr]   Downloaded symphonia-codec-adpcm v0.5.3
[INFO] [stderr]   Downloaded read_input v0.8.6
[INFO] [stderr]   Downloaded symphonia-format-ogg v0.5.3
[INFO] [stderr]   Downloaded jobserver v0.1.25
[INFO] [stderr]   Downloaded bare_metal_modulo v1.1.2
[INFO] [stderr]   Downloaded duplicate v1.0.0
[INFO] [stderr]   Downloaded cpal v0.15.0
[INFO] [stderr]   Downloaded bindgen v0.61.0
[INFO] [stderr]   Downloaded fundsp v0.15.0
[INFO] [stderr]   Downloaded bstr v1.0.1
[INFO] [stderr]   Downloaded thingbuf v0.1.4
[INFO] [stderr]   Downloaded micromath v1.1.1
[INFO] [stderr]   Downloaded midi-msg v0.4.0
[INFO] [stderr]   Downloaded rsor v0.1.3
[INFO] [stderr]   Downloaded symphonia-bundle-flac v0.5.3
[INFO] [stderr]   Downloaded symphonia-codec-aac v0.5.3
[INFO] [stderr]   Downloaded symphonia-codec-alac v0.5.3
[INFO] [stderr]   Downloaded symphonia-format-isomp4 v0.5.3
[INFO] [stderr]   Downloaded symphonia-format-mkv v0.5.3
[INFO] [stderr]   Downloaded symphonia-format-wav v0.5.3
[INFO] [stderr]   Downloaded midir v0.9.1
[INFO] [stderr]   Downloaded symphonia-codec-vorbis v0.5.3
[INFO] [stderr]   Downloaded coremidi v0.6.0
[INFO] [stderr]   Downloaded funutd v0.12.1
[INFO] [stderr]   Downloaded windows v0.43.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b1f15f6192e3b22bff2a5a4084cc8f751d5c5db2490da3557edf058e9ed2dab
[INFO] running `Command { std: "docker" "start" "-a" "1b1f15f6192e3b22bff2a5a4084cc8f751d5c5db2490da3557edf058e9ed2dab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b1f15f6192e3b22bff2a5a4084cc8f751d5c5db2490da3557edf058e9ed2dab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b1f15f6192e3b22bff2a5a4084cc8f751d5c5db2490da3557edf058e9ed2dab", kill_on_drop: false }`
[INFO] [stdout] 1b1f15f6192e3b22bff2a5a4084cc8f751d5c5db2490da3557edf058e9ed2dab
[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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4558786c68a668c64e6ae513d03497bc4ef8a581c7cdfd80e053ea24ad30b36a
[INFO] running `Command { std: "docker" "start" "-a" "4558786c68a668c64e6ae513d03497bc4ef8a581c7cdfd80e053ea24ad30b36a", kill_on_drop: false }`
[INFO] [stderr]     Checking bytemuck v1.12.3
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking symphonia-core v0.5.3
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling pkg-config v0.3.26
[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] [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" "4558786c68a668c64e6ae513d03497bc4ef8a581c7cdfd80e053ea24ad30b36a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4558786c68a668c64e6ae513d03497bc4ef8a581c7cdfd80e053ea24ad30b36a", kill_on_drop: false }`
[INFO] [stdout] 4558786c68a668c64e6ae513d03497bc4ef8a581c7cdfd80e053ea24ad30b36a
[INFO] checking midi_fundsp-0.2.1 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate midi_fundsp 0.2.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate midi_fundsp 0.2.1 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "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-tc2/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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb821074228d7427b49c2746445c7c3dd18b683f46f968f9756682209cbe87fb
[INFO] running `Command { std: "docker" "start" "-a" "eb821074228d7427b49c2746445c7c3dd18b683f46f968f9756682209cbe87fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb821074228d7427b49c2746445c7c3dd18b683f46f968f9756682209cbe87fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb821074228d7427b49c2746445c7c3dd18b683f46f968f9756682209cbe87fb", kill_on_drop: false }`
[INFO] [stdout] eb821074228d7427b49c2746445c7c3dd18b683f46f968f9756682209cbe87fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a13dd8e4b7b081a9aead851ae51a49e9a47eb7a65f8c46e8dcf47f2a5862a10c
[INFO] running `Command { std: "docker" "start" "-a" "a13dd8e4b7b081a9aead851ae51a49e9a47eb7a65f8c46e8dcf47f2a5862a10c", kill_on_drop: false }`
[INFO] [stderr]     Checking bytemuck v1.12.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[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]     Checking symphonia-core v0.5.3
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling pkg-config v0.3.26
[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 smallvec v1.10.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[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" "a13dd8e4b7b081a9aead851ae51a49e9a47eb7a65f8c46e8dcf47f2a5862a10c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a13dd8e4b7b081a9aead851ae51a49e9a47eb7a65f8c46e8dcf47f2a5862a10c", kill_on_drop: false }`
[INFO] [stdout] a13dd8e4b7b081a9aead851ae51a49e9a47eb7a65f8c46e8dcf47f2a5862a10c
