[INFO] cloning repository https://github.com/drogus/simd-json-ruby
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drogus/simd-json-ruby" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrogus%2Fsimd-json-ruby", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrogus%2Fsimd-json-ruby'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc8ca2915108b8583014d2c940588340250b7a67
[INFO] checking drogus/simd-json-ruby/dc8ca2915108b8583014d2c940588340250b7a67 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrogus%2Fsimd-json-ruby" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/drogus/simd-json-ruby on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/drogus/simd-json-ruby
[INFO] finished tweaking git repo https://github.com/drogus/simd-json-ruby
[INFO] tweaked toml for git repo https://github.com/drogus/simd-json-ruby written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/drogus/simd-json-ruby 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded halfbrown v0.1.11
[INFO] [stderr]   Downloaded mimalloc v0.1.26
[INFO] [stderr]   Downloaded rutie v0.8.2
[INFO] [stderr]   Downloaded simdutf8 v0.1.3
[INFO] [stderr]   Downloaded value-trait v0.2.8
[INFO] [stderr]   Downloaded simd-json v0.4.6
[INFO] [stderr]   Downloaded libmimalloc-sys v0.1.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0c9a80dc99dcb2abc4cc833387b3d997ead1166c009890e46e7a332ba071f3f
[INFO] running `Command { std: "docker" "start" "-a" "a0c9a80dc99dcb2abc4cc833387b3d997ead1166c009890e46e7a332ba071f3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0c9a80dc99dcb2abc4cc833387b3d997ead1166c009890e46e7a332ba071f3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0c9a80dc99dcb2abc4cc833387b3d997ead1166c009890e46e7a332ba071f3f", kill_on_drop: false }`
[INFO] [stdout] a0c9a80dc99dcb2abc4cc833387b3d997ead1166c009890e46e7a332ba071f3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2b9cf202eb7934b1f85189c14799fd9af2a45210f3b5641242e5ecbd44d749e
[INFO] running `Command { std: "docker" "start" "-a" "b2b9cf202eb7934b1f85189c14799fd9af2a45210f3b5641242e5ecbd44d749e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling rutie v0.8.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking simdutf8 v0.1.3
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.22
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking mimalloc v0.1.26
[INFO] [stderr]     Checking halfbrown v0.1.11
[INFO] [stderr]     Checking value-trait v0.2.8
[INFO] [stderr]     Checking simd-json v0.4.6
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/simd-json-0.4.6/src/lib.rs:213:86
[INFO] [stdout]     |
[INFO] [stdout] 213 | fn please_compile_with_a_simd_compatible_cpu_setting_read_the_simdjonsrs_readme() -> ! {}
[INFO] [stdout]     |    ----------------------------------------------------------------------------      ^ expected `!`, found `()`
[INFO] [stdout]     |    |
[INFO] [stdout]     |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected type `!`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simd-json` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b2b9cf202eb7934b1f85189c14799fd9af2a45210f3b5641242e5ecbd44d749e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2b9cf202eb7934b1f85189c14799fd9af2a45210f3b5641242e5ecbd44d749e", kill_on_drop: false }`
[INFO] [stdout] b2b9cf202eb7934b1f85189c14799fd9af2a45210f3b5641242e5ecbd44d749e