[INFO] fetching crate rpc-rs 0.1.1...
[INFO] testing rpc-rs-0.1.1 against 1.95.0 for beta-1.96-2
[INFO] extracting crate rpc-rs 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate rpc-rs 0.1.1
[INFO] finished tweaking crates.io crate rpc-rs 0.1.1
[INFO] tweaked toml for crates.io crate rpc-rs 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rpc-rs 0.1.1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] [stderr]      Locking 604 packages to latest compatible versions
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[INFO] [stderr]       Adding tauri v1.8.3 (available: v2.10.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9d37fd8bd83c7a6946613c862b39dbf2a9553088dd6efe169b20728508273b4
[INFO] running `Command { std: "docker" "start" "-a" "d9d37fd8bd83c7a6946613c862b39dbf2a9553088dd6efe169b20728508273b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9d37fd8bd83c7a6946613c862b39dbf2a9553088dd6efe169b20728508273b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9d37fd8bd83c7a6946613c862b39dbf2a9553088dd6efe169b20728508273b4", kill_on_drop: false }`
[INFO] [stdout] d9d37fd8bd83c7a6946613c862b39dbf2a9553088dd6efe169b20728508273b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5db3f26d777b747a68c85141ac4e05128d066cca962caa9afef603b6809ce76
[INFO] running `Command { std: "docker" "start" "-a" "a5db3f26d777b747a68c85141ac4e05128d066cca962caa9afef603b6809ce76", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling ctor v0.2.9
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling specta-macros v2.0.0-rc.13
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling specta v2.0.0-rc.13
[INFO] [stderr]    Compiling rpc-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(associated_type_defaults, trait_alias, async_closure)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `async_closure` has been stable since `1.85.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `async_closure` has been stable since 1.85.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:7:51
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(associated_type_defaults, trait_alias, async_closure)]
[INFO] [stdout]   |                                                   ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` 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 `rpc-rs` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a5db3f26d777b747a68c85141ac4e05128d066cca962caa9afef603b6809ce76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5db3f26d777b747a68c85141ac4e05128d066cca962caa9afef603b6809ce76", kill_on_drop: false }`
[INFO] [stdout] a5db3f26d777b747a68c85141ac4e05128d066cca962caa9afef603b6809ce76
