[INFO] fetching crate hexodsp 0.2.1...
[INFO] checking hexodsp-0.2.1 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate hexodsp 0.2.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate hexodsp 0.2.1 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hexodsp 0.2.1
[INFO] finished tweaking crates.io crate hexodsp 0.2.1
[INFO] tweaked toml for crates.io crate hexodsp 0.2.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate hexodsp 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cranelift-bforest v0.86.1
[INFO] [stderr]   Downloaded cranelift v0.86.1
[INFO] [stderr]   Downloaded transpose v0.2.1
[INFO] [stderr]   Downloaded cranelift-module v0.86.1
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.86.1
[INFO] [stderr]   Downloaded cranelift-frontend v0.86.1
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.86.1
[INFO] [stderr]   Downloaded slice-group-by v0.3.0
[INFO] [stderr]   Downloaded region v2.2.0
[INFO] [stderr]   Downloaded target-lexicon v0.12.5
[INFO] [stderr]   Downloaded cranelift-entity v0.86.1
[INFO] [stderr]   Downloaded cranelift-isle v0.86.1
[INFO] [stderr]   Downloaded rustfft v6.0.1
[INFO] [stderr]   Downloaded cranelift-codegen v0.86.1
[INFO] [stderr]   Downloaded regalloc2 v0.3.2
[INFO] [stderr]   Downloaded jack v0.10.0
[INFO] [stderr]   Downloaded synfx-dsp-jit v0.6.1
[INFO] [stderr]   Downloaded jack-sys v0.4.0
[INFO] [stderr]   Downloaded ringbuf v0.2.8
[INFO] [stderr]   Downloaded strength_reduce v0.2.3
[INFO] [stderr]   Downloaded cranelift-native v0.86.1
[INFO] [stderr]   Downloaded triple_buffer v5.0.6
[INFO] [stderr]   Downloaded cranelift-jit v0.86.1
[INFO] [stderr]   Downloaded synfx-dsp v0.5.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22e90c185558a18aa763c1af61f1e52bcd4a968ecaa29e515c5fd5168d6d2495
[INFO] running `Command { std: "docker" "start" "-a" "22e90c185558a18aa763c1af61f1e52bcd4a968ecaa29e515c5fd5168d6d2495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22e90c185558a18aa763c1af61f1e52bcd4a968ecaa29e515c5fd5168d6d2495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22e90c185558a18aa763c1af61f1e52bcd4a968ecaa29e515c5fd5168d6d2495", kill_on_drop: false }`
[INFO] [stdout] 22e90c185558a18aa763c1af61f1e52bcd4a968ecaa29e515c5fd5168d6d2495
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5a93007d67fdebdf53af2f09e0ccabacc3af92de8635b88b470b332298622a0
[INFO] running `Command { std: "docker" "start" "-a" "b5a93007d67fdebdf53af2f09e0ccabacc3af92de8635b88b470b332298622a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling cranelift-isle v0.86.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.86.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling target-lexicon v0.12.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]     Checking slice-group-by v0.3.0
[INFO] [stderr]     Checking cranelift-entity v0.86.1
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.86.1
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking cranelift-bforest v0.86.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking regalloc2 v0.3.2
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling serde_json v1.0.87
[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]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling jack-sys v0.4.0
[INFO] [stderr]     Checking ringbuf v0.2.8
[INFO] [stderr]     Checking libloading v0.7.3
[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" "b5a93007d67fdebdf53af2f09e0ccabacc3af92de8635b88b470b332298622a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5a93007d67fdebdf53af2f09e0ccabacc3af92de8635b88b470b332298622a0", kill_on_drop: false }`
[INFO] [stdout] b5a93007d67fdebdf53af2f09e0ccabacc3af92de8635b88b470b332298622a0
