[INFO] fetching crate regex_generate 0.2.1...
[INFO] checking regex_generate-0.2.1 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate regex_generate 0.2.1 into /workspace/builds/worker-63/source
[INFO] validating manifest of crates.io crate regex_generate 0.2.1 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate regex_generate 0.2.1
[INFO] finished tweaking crates.io crate regex_generate 0.2.1
[INFO] tweaked toml for crates.io crate regex_generate 0.2.1 written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] crate crates.io crate regex_generate 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasi v0.5.0
[INFO] [stderr]   Downloaded error-chain v0.12.1
[INFO] [stderr]   Downloaded cc v1.0.41
[INFO] [stderr]   Downloaded backtrace v0.3.35
[INFO] [stderr]   Downloaded getrandom v0.1.11
[INFO] [stderr]   Downloaded regex v1.2.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93bd4ed0a6cd474e55f6c3fc11229ca9685f6134b5b5422b6c7d69deeb5ff605
[INFO] running `Command { std: "docker" "start" "-a" "93bd4ed0a6cd474e55f6c3fc11229ca9685f6134b5b5422b6c7d69deeb5ff605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93bd4ed0a6cd474e55f6c3fc11229ca9685f6134b5b5422b6c7d69deeb5ff605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93bd4ed0a6cd474e55f6c3fc11229ca9685f6134b5b5422b6c7d69deeb5ff605", kill_on_drop: false }`
[INFO] [stdout] 93bd4ed0a6cd474e55f6c3fc11229ca9685f6134b5b5422b6c7d69deeb5ff605
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bdf7986ec3fb0ddf67383da2bebf05e2c43bc5be36d471268ea8826c21a7a5b
[INFO] running `Command { std: "docker" "start" "-a" "4bdf7986ec3fb0ddf67383da2bebf05e2c43bc5be36d471268ea8826c21a7a5b", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking regex-syntax v0.6.11
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]     Checking backtrace v0.3.35
[INFO] [stderr]     Checking regex_generate v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/bench.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex_generate` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4bdf7986ec3fb0ddf67383da2bebf05e2c43bc5be36d471268ea8826c21a7a5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bdf7986ec3fb0ddf67383da2bebf05e2c43bc5be36d471268ea8826c21a7a5b", kill_on_drop: false }`
[INFO] [stdout] 4bdf7986ec3fb0ddf67383da2bebf05e2c43bc5be36d471268ea8826c21a7a5b
