[INFO] fetching crate simd-json 0.3.8...
[INFO] testing simd-json-0.3.8 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate simd-json 0.3.8 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate simd-json 0.3.8 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate simd-json 0.3.8
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate simd-json 0.3.8
[INFO] tweaked toml for crates.io crate simd-json 0.3.8 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate simd-json 0.3.8 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 38afa189e3152a4410555cac2295621db73fb5589a1d45d52f68f5e5fc67e708
[INFO] running `"docker" "start" "-a" "38afa189e3152a4410555cac2295621db73fb5589a1d45d52f68f5e5fc67e708"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling hashbrown v0.7.1
[INFO] [stderr]    Compiling float-cmp v0.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling const-random v0.1.8
[INFO] [stderr]    Compiling ahash v0.3.2
[INFO] [stderr]    Compiling halfbrown v0.1.11
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling value-trait v0.1.8
[INFO] [stderr]    Compiling simd-json v0.3.8 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:216:86
[INFO] [stderr]     |
[INFO] [stderr] 216 | fn please_compile_with_a_simd_compatible_cpu_setting_read_the_simdjonsrs_readme() -> ! {}
[INFO] [stderr]     |    ----------------------------------------------------------------------------      ^ expected `!`, found `()`
[INFO] [stderr]     |    |
[INFO] [stderr]     |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stderr]     |
[INFO] [stderr]     = note:   expected type `!`
[INFO] [stderr]             found unit type `()`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `simd-json`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "38afa189e3152a4410555cac2295621db73fb5589a1d45d52f68f5e5fc67e708"`
[INFO] running `"docker" "rm" "-f" "38afa189e3152a4410555cac2295621db73fb5589a1d45d52f68f5e5fc67e708"`
[INFO] [stdout] 38afa189e3152a4410555cac2295621db73fb5589a1d45d52f68f5e5fc67e708