[INFO] fetching crate fss-rs 0.6.0...
[INFO] testing fss-rs-0.6.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate fss-rs 0.6.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate fss-rs 0.6.0
[INFO] finished tweaking crates.io crate fss-rs 0.6.0
[INFO] tweaked toml for crates.io crate fss-rs 0.6.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fss-rs 0.6.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 92 packages to highest compatible versions
[INFO] [stderr]       Adding aes v0.8.4 (available: v0.9.3)
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.8.2)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding rand v0.8.8 (available: v0.10.3)
[INFO] [stderr]       Adding wide v0.7.33 (available: v1.7.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arbtest v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c86088ddba7f8337338872e4c4555ff0505f1345f26637895c44b39ba66e6cdf
[INFO] running `Command { std: "docker" "start" "c86088ddba7f8337338872e4c4555ff0505f1345f26637895c44b39ba66e6cdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c86088ddba7f8337338872e4c4555ff0505f1345f26637895c44b39ba66e6cdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c86088ddba7f8337338872e4c4555ff0505f1345f26637895c44b39ba66e6cdf" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c86088ddba7f8337338872e4c4555ff0505f1345f26637895c44b39ba66e6cdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c86088ddba7f8337338872e4c4555ff0505f1345f26637895c44b39ba66e6cdf" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.23
[INFO] [stderr]    Compiling typenum v1.20.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.21
[INFO] [stderr]    Compiling crossbeam-deque v0.8.8
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling either v1.19.0
[INFO] [stderr]    Compiling cfg-if v1.0.5
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling bitvec v1.1.1
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling fss-rs v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(not(feature = "stable"), feature(portable_simd))]
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fss-rs` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c86088ddba7f8337338872e4c4555ff0505f1345f26637895c44b39ba66e6cdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c86088ddba7f8337338872e4c4555ff0505f1345f26637895c44b39ba66e6cdf", kill_on_drop: false }`
[INFO] [stdout] c86088ddba7f8337338872e4c4555ff0505f1345f26637895c44b39ba66e6cdf
