[INFO] fetching crate flac_music 0.2.3...
[INFO] checking flac_music-0.2.3 against master#3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777 for pr-132289
[INFO] extracting crate flac_music 0.2.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate flac_music 0.2.3 on toolchain 3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flac_music 0.2.3
[INFO] finished tweaking crates.io crate flac_music 0.2.3
[INFO] tweaked toml for crates.io crate flac_music 0.2.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate flac_music 0.2.3 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" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded symphonia-format-wav v0.5.2
[INFO] [stderr]   Downloaded symphonia-utils-xiph v0.5.2
[INFO] [stderr]   Downloaded symphonia-format-isomp4 v0.5.2
[INFO] [stderr]   Downloaded symphonia-codec-adpcm v0.5.2
[INFO] [stderr]   Downloaded symphonia-codec-pcm v0.5.2
[INFO] [stderr]   Downloaded symphonia-format-mkv v0.5.2
[INFO] [stderr]   Downloaded symphonia-format-ogg v0.5.2
[INFO] [stderr]   Downloaded symphonia-codec-vorbis v0.5.2
[INFO] [stderr]   Downloaded unic-langid v0.9.1
[INFO] [stderr]   Downloaded float-cmp v0.5.3
[INFO] [stderr]   Downloaded rental v0.5.6
[INFO] [stderr]   Downloaded tinystr v0.7.1
[INFO] [stderr]   Downloaded freetype v0.5.1
[INFO] [stderr]   Downloaded unic-langid-impl v0.9.1
[INFO] [stderr]   Downloaded svgtypes v0.5.0
[INFO] [stderr]   Downloaded roxmltree v0.13.1
[INFO] [stderr]   Downloaded usvg v0.12.0
[INFO] [stderr]   Downloaded ffmpeg-next v5.1.1
[INFO] [stderr]   Downloaded symphonia-bundle-flac v0.5.2
[INFO] [stderr]   Downloaded symphonia-codec-aac v0.5.2
[INFO] [stderr]   Downloaded fontdb v0.3.0
[INFO] [stderr]   Downloaded unicode-general-category v0.2.0
[INFO] [stderr]   Downloaded winnow v0.3.4
[INFO] [stderr]   Downloaded data-url v0.1.1
[INFO] [stderr]   Downloaded pico-args v0.3.4
[INFO] [stderr]   Downloaded rctree v0.3.3
[INFO] [stderr]   Downloaded ffmpeg-sys-next v5.1.1
[INFO] [stderr]   Downloaded rustybuzz v0.3.0
[INFO] [stderr]   Downloaded freetype-sys v0.11.0
[INFO] [stderr]   Downloaded harfbuzz-sys v0.4.1
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e012bd2ceecd9ca8f782704ac2134a0fe2c13f0d1f4cb61975bcd54b3e8d791f
[INFO] running `Command { std: "docker" "start" "-a" "e012bd2ceecd9ca8f782704ac2134a0fe2c13f0d1f4cb61975bcd54b3e8d791f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e012bd2ceecd9ca8f782704ac2134a0fe2c13f0d1f4cb61975bcd54b3e8d791f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e012bd2ceecd9ca8f782704ac2134a0fe2c13f0d1f4cb61975bcd54b3e8d791f", kill_on_drop: false }`
[INFO] [stdout] e012bd2ceecd9ca8f782704ac2134a0fe2c13f0d1f4cb61975bcd54b3e8d791f
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9afe0ebd1877a844dda4e72d9ca98239b00d114f5d005d9aa2393ee8fe661a3f
[INFO] running `Command { std: "docker" "start" "-a" "9afe0ebd1877a844dda4e72d9ca98239b00d114f5d005d9aa2393ee8fe661a3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror v1.0.39
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking futures-io v0.3.26
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/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]    Compiling glob v0.3.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[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" "9afe0ebd1877a844dda4e72d9ca98239b00d114f5d005d9aa2393ee8fe661a3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9afe0ebd1877a844dda4e72d9ca98239b00d114f5d005d9aa2393ee8fe661a3f", kill_on_drop: false }`
[INFO] [stdout] 9afe0ebd1877a844dda4e72d9ca98239b00d114f5d005d9aa2393ee8fe661a3f
