[INFO] fetching crate zekin_data_structure 1.0.0...
[INFO] testing zekin_data_structure-1.0.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate zekin_data_structure 1.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate zekin_data_structure 1.0.0
[INFO] finished tweaking crates.io crate zekin_data_structure 1.0.0
[INFO] tweaked toml for crates.io crate zekin_data_structure 1.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zekin_data_structure 1.0.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 51 packages to highest compatible versions
[INFO] [stderr]       Adding float-cmp v0.8.0 (available: v0.10.0)
[INFO] [stderr]       Adding itertools v0.9.0 (available: v0.15.0)
[INFO] [stderr]       Adding minicov v0.3.8 (available: v0.3.9)
[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-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ee8d4e5cf753b2b09eef93eed4a002a81bfe9b03f783d4f3b2749e1bdb57d648
[INFO] running `Command { std: "docker" "start" "ee8d4e5cf753b2b09eef93eed4a002a81bfe9b03f783d4f3b2749e1bdb57d648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee8d4e5cf753b2b09eef93eed4a002a81bfe9b03f783d4f3b2749e1bdb57d648", 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" "ee8d4e5cf753b2b09eef93eed4a002a81bfe9b03f783d4f3b2749e1bdb57d648" "/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" "ee8d4e5cf753b2b09eef93eed4a002a81bfe9b03f783d4f3b2749e1bdb57d648", 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" "ee8d4e5cf753b2b09eef93eed4a002a81bfe9b03f783d4f3b2749e1bdb57d648" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.129
[INFO] [stderr]    Compiling serde_json v1.0.154
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling either v1.19.0
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling wasm-bindgen-test-shared v0.2.129
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling wasm-bindgen v0.2.129
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling getset v0.1.7
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.129
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling async-trait v0.1.92
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.79
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.129
[INFO] [stderr]    Compiling js-sys v0.3.106
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.79
[INFO] [stderr]    Compiling wasm-bindgen-test v0.3.79
[INFO] [stderr]    Compiling zekin_data_structure v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(get_mut_unchecked)]
[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 `zekin_data_structure` (lib) due to 1 previous error
[INFO] [stderr] warning: unused dependency `float-cmp`
[INFO] [stderr]  --> Cargo.toml:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | [dependencies.float-cmp]
[INFO] [stderr]   |               ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `float-cmp`
[INFO] [stderr] warning: unused dependency `wasm-bindgen-test`
[INFO] [stderr]   --> Cargo.toml:24:15
[INFO] [stderr]    |
[INFO] [stderr] 24 | [dependencies.wasm-bindgen-test]
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the dependency on `wasm-bindgen-test`
[INFO] [stderr] warning: `zekin_data_structure` (manifest) generated 2 warnings
[INFO] running `Command { std: "docker" "inspect" "ee8d4e5cf753b2b09eef93eed4a002a81bfe9b03f783d4f3b2749e1bdb57d648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee8d4e5cf753b2b09eef93eed4a002a81bfe9b03f783d4f3b2749e1bdb57d648", kill_on_drop: false }`
[INFO] [stdout] ee8d4e5cf753b2b09eef93eed4a002a81bfe9b03f783d4f3b2749e1bdb57d648
