[INFO] fetching crate npcore 0.1.1...
[INFO] checking npcore-0.1.1 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate npcore 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate npcore 0.1.1 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate npcore 0.1.1
[INFO] finished tweaking crates.io crate npcore 0.1.1
[INFO] tweaked toml for crates.io crate npcore 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate npcore 0.1.1 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml v0.8.0
[INFO] [stderr]   Downloaded ode_solvers v0.3.7
[INFO] [stderr]   Downloaded sobol_burley v0.5.0
[INFO] [stderr]   Downloaded gemm-f32 v0.15.4
[INFO] [stderr]   Downloaded assert2-macros v0.3.11
[INFO] [stderr]   Downloaded gemm v0.15.4
[INFO] [stderr]   Downloaded gemm-c32 v0.15.4
[INFO] [stderr]   Downloaded slog-json v2.6.1
[INFO] [stderr]   Downloaded faer-lu v0.11.0
[INFO] [stderr]   Downloaded argmin-math v0.3.0
[INFO] [stderr]   Downloaded argmin v0.8.1
[INFO] [stderr]   Downloaded nalgebra v0.31.4
[INFO] [stderr]   Downloaded tokio v1.28.1
[INFO] [stderr]   Downloaded faer-evd v0.11.0
[INFO] [stderr]   Downloaded faer-svd v0.11.0
[INFO] [stderr]   Downloaded syn v2.0.16
[INFO] [stderr]   Downloaded slog-async v2.7.0
[INFO] [stderr]   Downloaded slog-term v2.9.0
[INFO] [stderr]   Downloaded faer-cholesky v0.11.0
[INFO] [stderr]   Downloaded dbgf v0.1.0
[INFO] [stderr]   Downloaded matrixcompare v0.3.0
[INFO] [stderr]   Downloaded faer v0.11.0
[INFO] [stderr]   Downloaded assert2 v0.3.11
[INFO] [stderr]   Downloaded gemm-f16 v0.15.4
[INFO] [stderr]   Downloaded gemm-f64 v0.15.4
[INFO] [stderr]   Downloaded faer-core v0.11.0
[INFO] [stderr]   Downloaded pulp v0.13.2
[INFO] [stderr]   Downloaded faer-qr v0.11.0
[INFO] [stderr]   Downloaded linfa-linalg v0.1.0
[INFO] [stderr]   Downloaded noisy_float v0.2.0
[INFO] [stderr]   Downloaded ndarray-stats v0.5.1
[INFO] [stderr]   Downloaded winnow v0.5.4
[INFO] [stderr]   Downloaded coe-rs v0.1.2
[INFO] [stderr]   Downloaded matrixcompare-core v0.1.0
[INFO] [stderr]   Downloaded gemm-common v0.15.4
[INFO] [stderr]   Downloaded thread-id v4.1.0
[INFO] [stderr]   Downloaded ndarray-csv v0.5.2
[INFO] [stderr]   Downloaded gemm-c64 v0.15.4
[INFO] [stderr]   Downloaded dyn-stack v0.9.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.58
[INFO] [stderr]   Downloaded toml_edit v0.20.0
[INFO] [stderr]   Downloaded reborrow v0.5.4
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc4ed0cde3656324a7c580cd2be7421c79a86a8e6d71a518f90e5ac4dc263733
[INFO] running `Command { std: "docker" "start" "-a" "fc4ed0cde3656324a7c580cd2be7421c79a86a8e6d71a518f90e5ac4dc263733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc4ed0cde3656324a7c580cd2be7421c79a86a8e6d71a518f90e5ac4dc263733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc4ed0cde3656324a7c580cd2be7421c79a86a8e6d71a518f90e5ac4dc263733", kill_on_drop: false }`
[INFO] [stdout] fc4ed0cde3656324a7c580cd2be7421c79a86a8e6d71a518f90e5ac4dc263733
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15eca747eb3bff90a6be350df297ecf6ba595f8f567a92eb2b99d1a3520b01ba
[INFO] running `Command { std: "docker" "start" "-a" "15eca747eb3bff90a6be350df297ecf6ba595f8f567a92eb2b99d1a3520b01ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking reborrow v0.5.4
[INFO] [stderr]     Checking raw-cpuid v10.7.0
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]    Compiling semver v1.0.19
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]    Compiling rustix v0.38.13
[INFO] [stderr]     Checking linux-raw-sys v0.4.7
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking dyn-stack v0.9.0
[INFO] [stderr]    Compiling faer-core v0.11.0
[INFO] [stderr]     Checking matrixcompare-core v0.1.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling matrixmultiply v0.3.7
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.58/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 rustc_version v0.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking coe-rs v0.1.2
[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]     Checking aligned-vec v0.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[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" "15eca747eb3bff90a6be350df297ecf6ba595f8f567a92eb2b99d1a3520b01ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15eca747eb3bff90a6be350df297ecf6ba595f8f567a92eb2b99d1a3520b01ba", kill_on_drop: false }`
[INFO] [stdout] 15eca747eb3bff90a6be350df297ecf6ba595f8f567a92eb2b99d1a3520b01ba
