[INFO] fetching crate eeric-interpreter 0.1.2...
[INFO] testing eeric-interpreter-0.1.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate eeric-interpreter 0.1.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate eeric-interpreter 0.1.2
[INFO] finished tweaking crates.io crate eeric-interpreter 0.1.2
[INFO] tweaked toml for crates.io crate eeric-interpreter 0.1.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate eeric-interpreter 0.1.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_builder_core v0.12.0
[INFO] [stderr]   Downloaded derive_builder_macro v0.12.0
[INFO] [stderr]   Downloaded derive_builder v0.12.0
[INFO] [stderr]   Downloaded darling_macro v0.14.4
[INFO] [stderr]   Downloaded eeric-core v0.1.2
[INFO] [stderr]   Downloaded darling v0.14.4
[INFO] [stderr]   Downloaded darling_core v0.14.4
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 621b8fff3370cebd16cba241dbb493b4058eb81ad18de16d7267f0e81a16fd1f
[INFO] running `Command { std: "docker" "start" "-a" "621b8fff3370cebd16cba241dbb493b4058eb81ad18de16d7267f0e81a16fd1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "621b8fff3370cebd16cba241dbb493b4058eb81ad18de16d7267f0e81a16fd1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "621b8fff3370cebd16cba241dbb493b4058eb81ad18de16d7267f0e81a16fd1f", kill_on_drop: false }`
[INFO] [stdout] 621b8fff3370cebd16cba241dbb493b4058eb81ad18de16d7267f0e81a16fd1f
[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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 766c5515f82a0b7ffb97375c12112ea5f626b58bc3f7ffa2ca54d408ff44cfc6
[INFO] running `Command { std: "docker" "start" "-a" "766c5515f82a0b7ffb97375c12112ea5f626b58bc3f7ffa2ca54d408ff44cfc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling derive_builder_core v0.12.0
[INFO] [stderr]    Compiling derive_builder_macro v0.12.0
[INFO] [stderr]    Compiling derive_builder v0.12.0
[INFO] [stderr]    Compiling eeric-core v0.1.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/eeric-core-0.1.2/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(unboxed_closures)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/eeric-core-0.1.2/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(fn_traits)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/eeric-core-0.1.2/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(iter_next_chunk)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/eeric-core-0.1.2/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(array_chunks)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `array_chunks`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/eeric-core-0.1.2/src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(array_chunks)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `array_chunks` found for struct `Vec<arbitrary_float::ArbitraryFloat>` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/eeric-core-0.1.2/src/rv_core/instruction/executor/v/vfredusum.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |       let result: Vec<ArbitraryFloat> = input_vec
[INFO] [stdout]    |  _______________________________________-
[INFO] [stdout] 13 | |         .array_chunks::<2>()
[INFO] [stdout]    | |         -^^^^^^^^^^^^ `Vec<arbitrary_float::ArbitraryFloat>` is not an iterator
[INFO] [stdout]    | |_________|
[INFO] [stdout]    |
[INFO] [stdout]    |
[INFO] [stdout] help: call `.into_iter()` first
[INFO] [stdout]    |
[INFO] [stdout] 13 |         .into_iter().array_chunks::<2>()
[INFO] [stdout]    |          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `eeric-core` (lib) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "766c5515f82a0b7ffb97375c12112ea5f626b58bc3f7ffa2ca54d408ff44cfc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "766c5515f82a0b7ffb97375c12112ea5f626b58bc3f7ffa2ca54d408ff44cfc6", kill_on_drop: false }`
[INFO] [stdout] 766c5515f82a0b7ffb97375c12112ea5f626b58bc3f7ffa2ca54d408ff44cfc6
