[INFO] crate sift 0.1.0 is already in cache
[INFO] checking sift-0.1.0 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate sift 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate sift 0.1.0 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sift 0.1.0
[INFO] finished tweaking crates.io crate sift 0.1.0
[INFO] tweaked toml for crates.io crate sift 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 994224dee58120182beb1435a6ec436802386d38c45c78c6add102957dc58194
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "994224dee58120182beb1435a6ec436802386d38c45c78c6add102957dc58194"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unindent v0.1.5
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling pyo3-derive-backend v0.8.5
[INFO] [stderr]    Compiling ghost v0.1.1
[INFO] [stderr]    Compiling ctor v0.1.13
[INFO] [stderr]    Compiling inventory-impl v0.1.6
[INFO] [stderr]    Compiling paste-impl v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling indoc-impl v0.3.5
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.3.2
[INFO] [stderr]     Checking hashbrown v0.7.1
[INFO] [stderr]     Checking paste v0.1.10
[INFO] [stderr]     Checking indoc v0.3.5
[INFO] [stderr]     Checking inventory v0.1.6
[INFO] [stderr]     Checking halfbrown v0.1.11
[INFO] [stderr]    Compiling pyo3 v0.8.5
[INFO] [stderr]     Checking simd-json v0.2.5
[INFO] [stderr]    Compiling pyo3cls v0.8.5
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/simd-json-0.2.5/src/lib.rs:210:86
[INFO] [stderr]     |
[INFO] [stderr] 210 | 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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "994224dee58120182beb1435a6ec436802386d38c45c78c6add102957dc58194"`
[INFO] running `"docker" "rm" "-f" "994224dee58120182beb1435a6ec436802386d38c45c78c6add102957dc58194"`
[INFO] [stdout] 994224dee58120182beb1435a6ec436802386d38c45c78c6add102957dc58194