[INFO] fetching crate alpha_g_detector 0.5.0...
[INFO] checking alpha_g_detector-0.5.0 against master#b286722878e18db29a7fbe672be7c4d3b02e8e4d for pr-127655
[INFO] extracting crate alpha_g_detector 0.5.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate alpha_g_detector 0.5.0 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 alpha_g_detector 0.5.0
[INFO] finished tweaking crates.io crate alpha_g_detector 0.5.0
[INFO] tweaked toml for crates.io crate alpha_g_detector 0.5.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate alpha_g_detector 0.5.0 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 thiserror v1.0.56
[INFO] [stderr]   Downloaded thiserror-impl v1.0.56
[INFO] [stderr]   Downloaded serde_derive v1.0.195
[INFO] [stderr]   Downloaded crc32c v0.6.4
[INFO] [stderr]   Downloaded semver v1.0.14
[INFO] [stderr]   Downloaded ron v0.8.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.76
[INFO] [stderr]   Downloaded serde v1.0.195
[INFO] [stderr]   Downloaded midasio v0.5.3
[INFO] [stderr]   Downloaded unicode-ident v1.0.4
[INFO] [stderr]   Downloaded winnow v0.5.30
[INFO] [stderr]   Downloaded winnow v0.6.1
[INFO] [stderr]   Downloaded syn v2.0.48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bfbfcb2c696b14401c27640a77f84a581e4c2ddbbcc4b0af87a225b6ad490004
[INFO] running `Command { std: "docker" "start" "-a" "bfbfcb2c696b14401c27640a77f84a581e4c2ddbbcc4b0af87a225b6ad490004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfbfcb2c696b14401c27640a77f84a581e4c2ddbbcc4b0af87a225b6ad490004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfbfcb2c696b14401c27640a77f84a581e4c2ddbbcc4b0af87a225b6ad490004", kill_on_drop: false }`
[INFO] [stdout] bfbfcb2c696b14401c27640a77f84a581e4c2ddbbcc4b0af87a225b6ad490004
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b4ba6df24363c9949452bf3e134da7e9226d725d44246fd53bc334c0f7f6f7d8
[INFO] running `Command { std: "docker" "start" "-a" "b4ba6df24363c9949452bf3e134da7e9226d725d44246fd53bc334c0f7f6f7d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking winnow v0.6.1
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking winnow v0.5.30
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling crc32c v0.6.4
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stdout] error[E0635]: unknown feature `stdsimd`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crc32c-0.6.4/src/lib.rs:23:30
[INFO] [stdout]    |
[INFO] [stdout] 23 | #![cfg_attr(nightly, feature(stdsimd))]
[INFO] [stdout]    |                              ^^^^^^^
[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 E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crc32c` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b4ba6df24363c9949452bf3e134da7e9226d725d44246fd53bc334c0f7f6f7d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4ba6df24363c9949452bf3e134da7e9226d725d44246fd53bc334c0f7f6f7d8", kill_on_drop: false }`
[INFO] [stdout] b4ba6df24363c9949452bf3e134da7e9226d725d44246fd53bc334c0f7f6f7d8
