[INFO] fetching crate ahrs 0.6.0...
[INFO] checking ahrs-0.6.0 against master#b286722878e18db29a7fbe672be7c4d3b02e8e4d for pr-127655
[INFO] extracting crate ahrs 0.6.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate ahrs 0.6.0 on toolchain b286722878e18db29a7fbe672be7c4d3b02e8e4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ahrs 0.6.0
[INFO] finished tweaking crates.io crate ahrs 0.6.0
[INFO] tweaked toml for crates.io crate ahrs 0.6.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate ahrs 0.6.0 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" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-complex v0.4.0
[INFO] [stderr]   Downloaded bytemuck v1.7.2
[INFO] [stderr]   Downloaded safe_arch v0.6.0
[INFO] [stderr]   Downloaded rawpointer v0.2.1
[INFO] [stderr]   Downloaded nalgebra-macros v0.1.0
[INFO] [stderr]   Downloaded plotters-svg v0.3.3
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.83
[INFO] [stderr]   Downloaded paste v1.0.6
[INFO] [stderr]   Downloaded ciborium-io v0.2.0
[INFO] [stderr]   Downloaded criterion-plot v0.5.0
[INFO] [stderr]   Downloaded either v1.5.3
[INFO] [stderr]   Downloaded winapi-util v0.1.5
[INFO] [stderr]   Downloaded tinytemplate v1.2.1
[INFO] [stderr]   Downloaded rand_hc v0.3.1
[INFO] [stderr]   Downloaded approx v0.5.0
[INFO] [stderr]   Downloaded anes v0.1.6
[INFO] [stderr]   Downloaded ciborium-ll v0.2.0
[INFO] [stderr]   Downloaded maybe-uninit v2.0.0
[INFO] [stderr]   Downloaded unicode-ident v1.0.6
[INFO] [stderr]   Downloaded half v1.8.2
[INFO] [stderr]   Downloaded serde_derive v1.0.110
[INFO] [stderr]   Downloaded js-sys v0.3.60
[INFO] [stderr]   Downloaded bumpalo v3.2.1
[INFO] [stderr]   Downloaded itertools v0.10.5
[INFO] [stderr]   Downloaded plotters v0.3.4
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.83
[INFO] [stderr]   Downloaded rayon v1.3.0
[INFO] [stderr]   Downloaded criterion v0.4.0
[INFO] [stderr]   Downloaded clap v3.2.23
[INFO] [stderr]   Downloaded syn v1.0.107
[INFO] [stderr]   Downloaded regex v1.7.1
[INFO] [stderr]   Downloaded libm v0.2.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.28
[INFO] [stderr]   Downloaded rayon-core v1.7.0
[INFO] [stderr]   Downloaded serde v1.0.110
[INFO] [stderr]   Downloaded nalgebra v0.31.4
[INFO] [stderr]   Downloaded serde_json v1.0.53
[INFO] [stderr]   Downloaded rand v0.8.4
[INFO] [stderr]   Downloaded wide v0.7.1
[INFO] [stderr]   Downloaded indexmap v1.9.2
[INFO] [stderr]   Downloaded textwrap v0.16.0
[INFO] [stderr]   Downloaded log v0.4.8
[INFO] [stderr]   Downloaded once_cell v1.17.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.7.2
[INFO] [stderr]   Downloaded libc v0.2.69
[INFO] [stderr]   Downloaded ryu v1.0.4
[INFO] [stderr]   Downloaded matrixmultiply v0.3.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.49
[INFO] [stderr]   Downloaded quote v1.0.4
[INFO] [stderr]   Downloaded num-rational v0.4.0
[INFO] [stderr]   Downloaded wasi v0.10.2+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded num-traits v0.2.15
[INFO] [stderr]   Downloaded ciborium v0.2.0
[INFO] [stderr]   Downloaded os_str_bytes v6.4.1
[INFO] [stderr]   Downloaded web-sys v0.3.60
[INFO] [stderr]   Downloaded cast v0.3.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.83
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.83
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.83
[INFO] [stderr]   Downloaded crossbeam-epoch v0.8.2
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.3
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.1
[INFO] [stderr]   Downloaded num_cpus v1.13.0
[INFO] [stderr]   Downloaded rand_core v0.6.3
[INFO] [stderr]   Downloaded simba v0.7.1
[INFO] [stderr]   Downloaded oorandom v11.1.1
[INFO] [stderr]   Downloaded plotters-backend v0.3.4
[INFO] [stderr]   Downloaded hermit-abi v0.1.12
[INFO] [stderr]   Downloaded itoa v0.4.5
[INFO] [stderr]   Downloaded same-file v1.0.6
[INFO] [stderr]   Downloaded num-integer v0.1.42
[INFO] [stderr]   Downloaded getrandom v0.2.3
[INFO] [stderr]   Downloaded memoffset v0.5.4
[INFO] [stderr]   Downloaded walkdir v2.3.1
[INFO] [stderr]   Downloaded winapi v0.3.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa9c1753e853d11fb7246776dab28a2b5cf33d76832dd68bb3b8c37d4a976625
[INFO] running `Command { std: "docker" "start" "-a" "fa9c1753e853d11fb7246776dab28a2b5cf33d76832dd68bb3b8c37d4a976625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa9c1753e853d11fb7246776dab28a2b5cf33d76832dd68bb3b8c37d4a976625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa9c1753e853d11fb7246776dab28a2b5cf33d76832dd68bb3b8c37d4a976625", kill_on_drop: false }`
[INFO] [stdout] fa9c1753e853d11fb7246776dab28a2b5cf33d76832dd68bb3b8c37d4a976625
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25d109e15a9ed7c7c110eba1887bb56ed1d729b9a37be694019bb665572fd704
[INFO] running `Command { std: "docker" "start" "-a" "25d109e15a9ed7c7c110eba1887bb56ed1d729b9a37be694019bb665572fd704", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/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 memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[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" "25d109e15a9ed7c7c110eba1887bb56ed1d729b9a37be694019bb665572fd704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25d109e15a9ed7c7c110eba1887bb56ed1d729b9a37be694019bb665572fd704", kill_on_drop: false }`
[INFO] [stdout] 25d109e15a9ed7c7c110eba1887bb56ed1d729b9a37be694019bb665572fd704
