[INFO] fetching crate kord 0.6.1...
[INFO] checking kord-0.6.1 against master#bb89df6903539e7014b8db29bccd6a9ee9553122 for pr-121072
[INFO] extracting crate kord 0.6.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate kord 0.6.1 on toolchain bb89df6903539e7014b8db29bccd6a9ee9553122
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bb89df6903539e7014b8db29bccd6a9ee9553122" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kord 0.6.1
[INFO] finished tweaking crates.io crate kord 0.6.1
[INFO] tweaked toml for crates.io crate kord 0.6.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate kord 0.6.1 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" "+bb89df6903539e7014b8db29bccd6a9ee9553122" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pest_derive v2.5.6
[INFO] [stderr]   Downloaded burn-autodiff v0.6.0
[INFO] [stderr]   Downloaded thread-id v4.0.0
[INFO] [stderr]   Downloaded wrapcenum-derive v0.4.0
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.92
[INFO] [stderr]   Downloaded symphonia-codec-alac v0.5.2
[INFO] [stderr]   Downloaded drawille v0.3.0
[INFO] [stderr]   Downloaded pest_generator v2.5.6
[INFO] [stderr]   Downloaded burn-train v0.6.0
[INFO] [stderr]   Downloaded toml_edit v0.19.6
[INFO] [stderr]   Downloaded pest_meta v2.5.6
[INFO] [stderr]   Downloaded textplots v0.8.0
[INFO] [stderr]   Downloaded torch-sys v0.11.0
[INFO] [stderr]   Downloaded winnow v0.3.5
[INFO] [stderr]   Downloaded cxx-build v1.0.92
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.92
[INFO] [stderr]   Downloaded bincode v2.0.0-rc.3
[INFO] [stderr]   Downloaded tch v0.11.0
[INFO] [stderr]   Downloaded cpal v0.15.0
[INFO] [stderr]   Downloaded burn-tensor v0.6.0
[INFO] [stderr]   Downloaded nvml-wrapper-sys v0.6.0
[INFO] [stderr]   Downloaded thread-tree v0.3.3
[INFO] [stderr]   Downloaded nom v1.2.4
[INFO] [stderr]   Downloaded cxx v1.0.92
[INFO] [stderr]   Downloaded burn-derive v0.6.0
[INFO] [stderr]   Downloaded burn-tensor-testgen v0.6.0
[INFO] [stderr]   Downloaded parse_duration0 v3.0.0
[INFO] [stderr]   Downloaded burn v0.6.0
[INFO] [stderr]   Downloaded burn-common v0.6.0
[INFO] [stderr]   Downloaded burn-ndarray v0.6.0
[INFO] [stderr]   Downloaded burn-tch v0.6.0
[INFO] [stderr]   Downloaded burn-dataset v0.6.0
[INFO] [stderr]   Downloaded nvml-wrapper v0.8.0
[INFO] [stderr]   Downloaded meval v0.2.0
[INFO] [stderr]   Downloaded burn-core v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+bb89df6903539e7014b8db29bccd6a9ee9553122" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db18c854bb0f9ef46030ebcb3b82b029e110565c96a3644ff86514ab6b130dd0
[INFO] running `Command { std: "docker" "start" "-a" "db18c854bb0f9ef46030ebcb3b82b029e110565c96a3644ff86514ab6b130dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db18c854bb0f9ef46030ebcb3b82b029e110565c96a3644ff86514ab6b130dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db18c854bb0f9ef46030ebcb3b82b029e110565c96a3644ff86514ab6b130dd0", kill_on_drop: false }`
[INFO] [stdout] db18c854bb0f9ef46030ebcb3b82b029e110565c96a3644ff86514ab6b130dd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+bb89df6903539e7014b8db29bccd6a9ee9553122" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15acdd5611b4a5b72ddc01a2a3a67a48854f3b7faa05cd6fee21becf9ed3b06b
[INFO] running `Command { std: "docker" "start" "-a" "15acdd5611b4a5b72ddc01a2a3a67a48854f3b7faa05cd6fee21becf9ed3b06b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]    Compiling thiserror v1.0.39
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling futures-channel v0.3.27
[INFO] [stderr]    Compiling futures-task v0.3.27
[INFO] [stderr]    Compiling io-lifetimes v1.0.6
[INFO] [stderr]     Checking futures-sink v0.3.27
[INFO] [stderr]    Compiling futures-util v0.3.27
[INFO] [stderr]    Compiling rustix v0.36.9
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]     Checking parking_lot_core v0.9.7
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking futures-io v0.3.27
[INFO] [stderr]     Checking symphonia-core v0.5.2
[INFO] [stderr]    Compiling cpal v0.15.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling rustfft v6.1.0
[INFO] [stderr]     Checking dasp_sample v0.11.0
[INFO] [stderr]    Compiling async-trait v0.1.66
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking clap_lex v0.3.2
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]    Compiling kord v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.52/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 futures-timer v3.0.2
[INFO] [stderr]     Checking alsa v0.7.0
[INFO] [stderr]     Checking primal-check v0.3.3
[INFO] [stderr]     Checking transpose v0.2.2
[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" "15acdd5611b4a5b72ddc01a2a3a67a48854f3b7faa05cd6fee21becf9ed3b06b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15acdd5611b4a5b72ddc01a2a3a67a48854f3b7faa05cd6fee21becf9ed3b06b", kill_on_drop: false }`
[INFO] [stdout] 15acdd5611b4a5b72ddc01a2a3a67a48854f3b7faa05cd6fee21becf9ed3b06b