[INFO] fetching crate spartan 0.4.1...
[INFO] checking spartan-0.4.1 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate spartan 0.4.1 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate spartan 0.4.1 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] removed /workspace/builds/worker-57/source/.cargo/config
[INFO] started tweaking crates.io crate spartan 0.4.1
[INFO] finished tweaking crates.io crate spartan 0.4.1
[INFO] tweaked toml for crates.io crate spartan 0.4.1 written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] crate crates.io crate spartan 0.4.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] 9ff6f053e0e6a50c939e9be6fc195d34aa9201646f311a6db160cc571180c3aa
[INFO] running `Command { std: "docker" "start" "-a" "9ff6f053e0e6a50c939e9be6fc195d34aa9201646f311a6db160cc571180c3aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ff6f053e0e6a50c939e9be6fc195d34aa9201646f311a6db160cc571180c3aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ff6f053e0e6a50c939e9be6fc195d34aa9201646f311a6db160cc571180c3aa", kill_on_drop: false }`
[INFO] [stdout] 9ff6f053e0e6a50c939e9be6fc195d34aa9201646f311a6db160cc571180c3aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] 69db270e0c8d4c88c680e9c50d2f0e187f23f71578d0c35975a7dcdd5f34c7ae
[INFO] running `Command { std: "docker" "start" "-a" "69db270e0c8d4c88c680e9c50d2f0e187f23f71578d0c35975a7dcdd5f34c7ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling packed_simd_2 v0.3.6
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking half v1.8.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/packed_simd_2-0.3.6/src/lib.rs:214:1
[INFO] [stdout]     |
[INFO] [stdout] 214 | / #![feature(
[INFO] [stdout] 215 | |     adt_const_params,
[INFO] [stdout] 216 | |     repr_simd,
[INFO] [stdout] 217 | |     rustc_attrs,
[INFO] [stdout] ...   |
[INFO] [stdout] 227 | |     llvm_asm
[INFO] [stdout] 228 | | )]
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling zeroize_derive v1.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking zeroize v1.4.2
[INFO] [stderr]     Checking merlin v3.0.0
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `packed_simd_2` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "69db270e0c8d4c88c680e9c50d2f0e187f23f71578d0c35975a7dcdd5f34c7ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69db270e0c8d4c88c680e9c50d2f0e187f23f71578d0c35975a7dcdd5f34c7ae", kill_on_drop: false }`
[INFO] [stdout] 69db270e0c8d4c88c680e9c50d2f0e187f23f71578d0c35975a7dcdd5f34c7ae
