[INFO] fetching crate jiro_nn 0.8.1...
[INFO] checking jiro_nn-0.8.1 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate jiro_nn 0.8.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate jiro_nn 0.8.1 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 jiro_nn 0.8.1
[INFO] finished tweaking crates.io crate jiro_nn 0.8.1
[INFO] tweaked toml for crates.io crate jiro_nn 0.8.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate jiro_nn 0.8.1 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 libm v0.2.6
[INFO] [stderr]   Downloaded multiversion v0.7.1
[INFO] [stderr]   Downloaded polars-row v0.28.0
[INFO] [stderr]   Downloaded json-deserializer v0.4.4
[INFO] [stderr]   Downloaded array-init-cursor v0.2.0
[INFO] [stderr]   Downloaded multiversion-macros v0.7.1
[INFO] [stderr]   Downloaded planus v0.3.1
[INFO] [stderr]   Downloaded now v0.1.3
[INFO] [stderr]   Downloaded assert_float_eq v1.1.3
[INFO] [stderr]   Downloaded nalgebra-macros v0.2.0
[INFO] [stderr]   Downloaded nalgebra-glm v0.18.0
[INFO] [stderr]   Downloaded arrayfire v3.8.0
[INFO] [stderr]   Downloaded pest v2.7.0
[INFO] [stderr]   Downloaded nalgebra v0.32.2
[INFO] [stderr]   Downloaded tokio v1.27.0
[INFO] [stderr]   Downloaded arrow2 v0.17.0
[INFO] [stderr]   Downloaded zstd-sys v2.0.7+zstd.1.5.4
[INFO] [stderr]   Downloaded parquet2 v0.17.2
[INFO] [stderr]   Downloaded pest_meta v2.7.0
[INFO] [stderr]   Downloaded pest_generator v2.7.0
[INFO] [stderr]   Downloaded pest_derive v2.7.0
[INFO] [stderr]   Downloaded py_literal v0.4.0
[INFO] [stderr]   Downloaded ndarray-npy v0.8.1
[INFO] [stderr]   Downloaded wide v0.7.8
[INFO] [stderr]   Downloaded simba v0.8.0
[INFO] [stderr]   Downloaded enum_dispatch v0.3.11
[INFO] [stderr]   Downloaded fast-float v0.2.0
[INFO] [stderr]   Downloaded halfbrown v0.1.18
[INFO] [stderr]   Downloaded simd-json v0.7.0
[INFO] [stderr]   Downloaded polars-io v0.28.0
[INFO] [stderr]   Downloaded polars-plan v0.28.0
[INFO] [stderr]   Downloaded polars-lazy v0.28.0
[INFO] [stderr]   Downloaded rustversion v1.0.13
[INFO] [stderr]   Downloaded polars-arrow v0.28.0
[INFO] [stderr]   Downloaded ethnum v1.3.2
[INFO] [stderr]   Downloaded polars-core v0.28.0
[INFO] [stderr]   Downloaded convolutions-rs v0.3.4
[INFO] [stderr]   Downloaded polars-pipe v0.28.0
[INFO] [stderr]   Downloaded polars-time v0.28.0
[INFO] [stderr]   Downloaded hash_hasher v2.0.3
[INFO] [stderr]   Downloaded parquet-format-safe v0.2.4
[INFO] [stderr]   Downloaded value-trait v0.5.1
[INFO] [stderr]   Downloaded target-features v0.1.3
[INFO] [stderr]   Downloaded zstd-safe v6.0.4+zstd.1.5.4
[INFO] [stderr]   Downloaded polars-error v0.28.0
[INFO] [stderr]   Downloaded arrow-format v0.8.1
[INFO] [stderr]   Downloaded foreign_vec v0.1.0
[INFO] [stderr]   Downloaded seq-macro v0.3.4
[INFO] [stderr]   Downloaded strength_reduce v0.2.4
[INFO] [stderr]   Downloaded zstd v0.12.3+zstd.1.5.2
[INFO] [stderr]   Downloaded streaming-iterator v0.1.9
[INFO] [stderr]   Downloaded streaming-decompression v0.1.2
[INFO] [stderr]   Downloaded xxhash-rust v0.8.6
[INFO] [stderr]   Downloaded polars-utils v0.28.0
[INFO] [stderr]   Downloaded polars-ops v0.28.0
[INFO] [stderr]   Downloaded polars v0.28.0
[INFO] [stderr]   Downloaded serde-aux v4.2.0
[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] a2576f367dda6d8a8d9b9ba69acef95887fbcdeb9bc437e2d15aad19792765df
[INFO] running `Command { std: "docker" "start" "-a" "a2576f367dda6d8a8d9b9ba69acef95887fbcdeb9bc437e2d15aad19792765df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2576f367dda6d8a8d9b9ba69acef95887fbcdeb9bc437e2d15aad19792765df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2576f367dda6d8a8d9b9ba69acef95887fbcdeb9bc437e2d15aad19792765df", kill_on_drop: false }`
[INFO] [stdout] a2576f367dda6d8a8d9b9ba69acef95887fbcdeb9bc437e2d15aad19792765df
[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] 111a1bbbb913403076c9641b9ea41e0d3023ea9037321d01162d9d6d55a517b7
[INFO] running `Command { std: "docker" "start" "-a" "111a1bbbb913403076c9641b9ea41e0d3023ea9037321d01162d9d6d55a517b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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 crossbeam-epoch v0.9.14
[INFO] [stderr]     Checking lexical-util v0.8.5
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking num-traits v0.2.15
[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" "111a1bbbb913403076c9641b9ea41e0d3023ea9037321d01162d9d6d55a517b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "111a1bbbb913403076c9641b9ea41e0d3023ea9037321d01162d9d6d55a517b7", kill_on_drop: false }`
[INFO] [stdout] 111a1bbbb913403076c9641b9ea41e0d3023ea9037321d01162d9d6d55a517b7
