[INFO] fetching crate mleml 0.2.1...
[INFO] testing mleml-0.2.1 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate mleml 0.2.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate mleml 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mleml 0.2.1
[INFO] tweaked toml for crates.io crate mleml 0.2.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mleml 0.2.1 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 mleml 0.2.1 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-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c621b049841d5325b53ce170c5ce56f8f91334c36f3de3a5230c9cca563b9b3a
[INFO] running `Command { std: "docker" "start" "c621b049841d5325b53ce170c5ce56f8f91334c36f3de3a5230c9cca563b9b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c621b049841d5325b53ce170c5ce56f8f91334c36f3de3a5230c9cca563b9b3a", 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" "c621b049841d5325b53ce170c5ce56f8f91334c36f3de3a5230c9cca563b9b3a" "/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" "c621b049841d5325b53ce170c5ce56f8f91334c36f3de3a5230c9cca563b9b3a", 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" "c621b049841d5325b53ce170c5ce56f8f91334c36f3de3a5230c9cca563b9b3a" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling dasp_sample v0.11.0
[INFO] [stderr]    Compiling dasp_ring_buffer v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling erasable v1.2.1
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling slice-dst v1.5.1
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling dasp_frame v0.11.0
[INFO] [stderr]    Compiling dasp_window v0.11.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling dasp_rms v0.11.0
[INFO] [stderr]    Compiling dasp_peak v0.11.0
[INFO] [stderr]    Compiling dasp_interpolate v0.11.0
[INFO] [stderr]    Compiling dasp_slice v0.11.0
[INFO] [stderr]    Compiling dasp_envelope v0.11.0
[INFO] [stderr]    Compiling dasp_signal v0.11.0
[INFO] [stderr]    Compiling dasp v0.11.0
[INFO] [stderr]    Compiling ordered-float v4.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling sealed v0.5.0
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling mleml v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | #![feature(ptr_from_ref)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/resource.rs:56:22
[INFO] [stdout]    |
[INFO] [stdout] 56 |             .any(|x| (x.is_array() | x.is_object()))
[INFO] [stdout]    |                      ^                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 56 -             .any(|x| (x.is_array() | x.is_object()))
[INFO] [stdout] 56 +             .any(|x| x.is_array() | x.is_object())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/resource.rs:79:22
[INFO] [stdout]    |
[INFO] [stdout] 79 |             .any(|x| (x.is_array() | x.is_object()))
[INFO] [stdout]    |                      ^                            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 79 -             .any(|x| (x.is_array() | x.is_object()))
[INFO] [stdout] 79 +             .any(|x| x.is_array() | x.is_object())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `ptr_from_ref` has been stable since 1.76.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | #![feature(ptr_from_ref)]
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_or_insert_owned` found for mutable reference `&mut HashSet<Rc<T>>` in the current scope
[INFO] [stdout]   --> src/extra/storage.rs:88:14
[INFO] [stdout]    |
[INFO] [stdout] 88 |         self.get_or_insert_owned(&new).clone()
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `get_or_insert` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 88 -         self.get_or_insert_owned(&new).clone()
[INFO] [stdout] 88 +         self.get_or_insert(&new).clone()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mleml` (lib) due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c621b049841d5325b53ce170c5ce56f8f91334c36f3de3a5230c9cca563b9b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c621b049841d5325b53ce170c5ce56f8f91334c36f3de3a5230c9cca563b9b3a", kill_on_drop: false }`
[INFO] [stdout] c621b049841d5325b53ce170c5ce56f8f91334c36f3de3a5230c9cca563b9b3a
