[INFO] fetching crate proto_rs 0.11.26...
[INFO] testing proto_rs-0.11.26 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate proto_rs 0.11.26 into /workspace/builds/worker-4-tc2/source
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate proto_rs 0.11.26
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate proto_rs 0.11.26
[INFO] tweaked toml for crates.io crate proto_rs 0.11.26 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate proto_rs 0.11.26 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 proto_rs 0.11.26 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] [stderr] warning: Cargo.toml: `lints.clippy.unused-async-trait-impl` is deprecated in favor of `lints.clippy.unused_async_trait_impl` and will not work in a future edition
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]    --> Cargo.toml:220:12
[INFO] [stderr]     |
[INFO] [stderr] 220 | homepage = "https://github.com/4r33x/proto_rs"
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 225 | repository = "https://github.com/4r33x/proto_rs"
[INFO] [stderr]     |              -----------------------------------
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `proto_rs` (manifest) generated 2 warnings
[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] 1333407bf99ad316d8fd74eb4039e370232cf8d5e1fc9c2083f6af42f60ce253
[INFO] running `Command { std: "docker" "start" "1333407bf99ad316d8fd74eb4039e370232cf8d5e1fc9c2083f6af42f60ce253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1333407bf99ad316d8fd74eb4039e370232cf8d5e1fc9c2083f6af42f60ce253", 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" "1333407bf99ad316d8fd74eb4039e370232cf8d5e1fc9c2083f6af42f60ce253" "/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" "1333407bf99ad316d8fd74eb4039e370232cf8d5e1fc9c2083f6af42f60ce253", 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" "1333407bf99ad316d8fd74eb4039e370232cf8d5e1fc9c2083f6af42f60ce253" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `lints.clippy.unused-async-trait-impl` is deprecated in favor of `lints.clippy.unused_async_trait_impl` and will not work in a future edition
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]    --> Cargo.toml:220:12
[INFO] [stderr]     |
[INFO] [stderr] 220 | homepage = "https://github.com/4r33x/proto_rs"
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 225 | repository = "https://github.com/4r33x/proto_rs"
[INFO] [stderr]     |              -----------------------------------
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `proto_rs` (manifest) generated 2 warnings
[INFO] [stderr]    Compiling quote v1.0.46
[INFO] [stderr]    Compiling http v1.4.2
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling typewit v1.15.2
[INFO] [stderr]    Compiling socket2 v0.6.5
[INFO] [stderr]    Compiling mio v1.2.2
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]    Compiling http-body v1.1.0
[INFO] [stderr]    Compiling http-body-util v0.1.4
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling pin-project-internal v1.1.13
[INFO] [stderr]    Compiling const_panic_proc_macros v0.2.15
[INFO] [stderr]    Compiling prosto_derive v0.11.26
[INFO] [stderr]    Compiling tokio v1.52.3
[INFO] [stderr]    Compiling const_panic v0.2.15
[INFO] [stderr]    Compiling pin-project v1.1.13
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling tokio-stream v0.1.18
[INFO] [stderr]    Compiling h2 v0.4.15
[INFO] [stderr]    Compiling tower v0.5.3
[INFO] [stderr]    Compiling hyper v1.10.1
[INFO] [stderr]    Compiling hyper-util v0.1.20
[INFO] [stderr]    Compiling hyper-timeout v0.5.2
[INFO] [stderr]    Compiling tonic v0.14.6
[INFO] [stderr]    Compiling proto_rs v0.11.26 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(not(feature = "stable"), feature(impl_trait_in_assoc_type, maybe_uninit_array_assume_init))]
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/wrappers/maps/btree.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             Self::merge(value, wire_type, buf, ctx)
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `decode::ProtoDecoder::merge(...)` to keep using the current method
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proto_rs` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "1333407bf99ad316d8fd74eb4039e370232cf8d5e1fc9c2083f6af42f60ce253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1333407bf99ad316d8fd74eb4039e370232cf8d5e1fc9c2083f6af42f60ce253", kill_on_drop: false }`
[INFO] [stdout] 1333407bf99ad316d8fd74eb4039e370232cf8d5e1fc9c2083f6af42f60ce253
