[INFO] crate sift 0.1.0 is already in cache
[INFO] checking sift-0.1.0 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate sift 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate sift 0.1.0 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "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-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fbd28bad2bcf98ed7a8ae4244ff11770f02504978b6451e5b2ea26344e5d7bf7
[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" "fbd28bad2bcf98ed7a8ae4244ff11770f02504978b6451e5b2ea26344e5d7bf7"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling inventory v0.1.6
[INFO] [stderr]     Checking ahash v0.3.3
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking unindent v0.1.5
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling pyo3-derive-backend v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling inventory-impl v0.1.6
[INFO] [stderr]    Compiling paste-impl v0.1.11
[INFO] [stderr]    Compiling indoc-impl v0.3.5
[INFO] [stderr]    Compiling ghost v0.1.1
[INFO] [stderr]    Compiling ctor v0.1.14
[INFO] [stderr]    Compiling pyo3cls v0.8.5
[INFO] [stderr]     Checking paste v0.1.11
[INFO] [stderr]     Checking indoc v0.3.5
[INFO] [stderr]     Checking halfbrown v0.1.11
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]     Checking simd-json v0.2.5
[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" "fbd28bad2bcf98ed7a8ae4244ff11770f02504978b6451e5b2ea26344e5d7bf7"`
[INFO] running `"docker" "rm" "-f" "fbd28bad2bcf98ed7a8ae4244ff11770f02504978b6451e5b2ea26344e5d7bf7"`
[INFO] [stdout] fbd28bad2bcf98ed7a8ae4244ff11770f02504978b6451e5b2ea26344e5d7bf7