[INFO] fetching crate eeric-core 0.1.4...
[INFO] testing eeric-core-0.1.4 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate eeric-core 0.1.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate eeric-core 0.1.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate eeric-core 0.1.4
[INFO] tweaked toml for crates.io crate eeric-core 0.1.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate eeric-core 0.1.4 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate eeric-core 0.1.4 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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] 25a511fb4c464f4225af19eb97a99b52aaa89e2624ae4cfb8835f71d7955b52d
[INFO] running `Command { std: "docker" "start" "25a511fb4c464f4225af19eb97a99b52aaa89e2624ae4cfb8835f71d7955b52d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25a511fb4c464f4225af19eb97a99b52aaa89e2624ae4cfb8835f71d7955b52d", 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" "25a511fb4c464f4225af19eb97a99b52aaa89e2624ae4cfb8835f71d7955b52d" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25a511fb4c464f4225af19eb97a99b52aaa89e2624ae4cfb8835f71d7955b52d", 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" "25a511fb4c464f4225af19eb97a99b52aaa89e2624ae4cfb8835f71d7955b52d" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling derive_builder_core v0.20.2
[INFO] [stderr]    Compiling derive_builder_macro v0.20.2
[INFO] [stderr]    Compiling derive_builder v0.20.2
[INFO] [stderr]    Compiling eeric-core v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(unboxed_closures)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DoubleFpSew`, `DoubleSew`, `VectorEngineBuilder`, `Vlen`, `WideVreg`, `float::*`, and `vector::*`
[INFO] [stdout]   --> src/rv_core/instruction/executor/prelude.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 |         aliases::{csr::*, float::*, integer::*, vector::*},
[INFO] [stdout]    |                           ^^^^^^^^              ^^^^^^^^^
[INFO] [stdout] 13 |         vector::{Vreg, WideVreg},
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |         sew::{BaseSew, DoubleFpSew, DoubleSew, EighthSew, FourthSew, FpSew, HalfSew, Sew},
[INFO] [stdout]    |                        ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 18 |         Lmul, MaskBehavior, VectorEngine, VectorEngineBuilder, Vlen,
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::rv_core::registers::aliases::vector::*`
[INFO] [stdout]   --> src/prelude.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub use crate::rv_core::registers::aliases::vector::*;
[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 `eeric-core` (lib) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "25a511fb4c464f4225af19eb97a99b52aaa89e2624ae4cfb8835f71d7955b52d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25a511fb4c464f4225af19eb97a99b52aaa89e2624ae4cfb8835f71d7955b52d", kill_on_drop: false }`
[INFO] [stdout] 25a511fb4c464f4225af19eb97a99b52aaa89e2624ae4cfb8835f71d7955b52d
