[INFO] fetching crate swapkit-rs 0.0.11...
[INFO] testing swapkit-rs-0.0.11 against 1.91.0 for beta-1.92-2
[INFO] extracting crate swapkit-rs 0.0.11 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate swapkit-rs 0.0.11
[INFO] finished tweaking crates.io crate swapkit-rs 0.0.11
[INFO] tweaked toml for crates.io crate swapkit-rs 0.0.11 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate swapkit-rs 0.0.11 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 244 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-aux v4.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b897d81a6d65cf5b89b6d9a30adf9cd27fc6b8d1113442f6b81356c19506715e
[INFO] running `Command { std: "docker" "start" "-a" "b897d81a6d65cf5b89b6d9a30adf9cd27fc6b8d1113442f6b81356c19506715e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b897d81a6d65cf5b89b6d9a30adf9cd27fc6b8d1113442f6b81356c19506715e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b897d81a6d65cf5b89b6d9a30adf9cd27fc6b8d1113442f6b81356c19506715e", kill_on_drop: false }`
[INFO] [stdout] b897d81a6d65cf5b89b6d9a30adf9cd27fc6b8d1113442f6b81356c19506715e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b5f54c26d916f4748bec9f2dbe4be6ad1cbae999b921807c0f8f114132ed051
[INFO] running `Command { std: "docker" "start" "-a" "9b5f54c26d916f4748bec9f2dbe4be6ad1cbae999b921807c0f8f114132ed051", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling openssl v0.10.74
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling rust_decimal v1.39.0
[INFO] [stderr]    Compiling rustls-pki-types v1.13.0
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling serde_with_macros v3.15.1
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling serde-value v0.7.0
[INFO] [stderr]    Compiling tokio-util v0.7.17
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling tower-http v0.6.6
[INFO] [stderr]    Compiling h2 v0.4.12
[INFO] [stderr]    Compiling serde_with v3.15.1
[INFO] [stderr]    Compiling serde-aux v4.7.0
[INFO] [stderr]    Compiling hyper v1.7.0
[INFO] [stderr]    Compiling hyper-util v0.1.17
[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling reqwest v0.12.24
[INFO] [stderr]    Compiling swapkit-rs v0.0.11 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(const_trait_impl)]
[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 `swapkit-rs` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "9b5f54c26d916f4748bec9f2dbe4be6ad1cbae999b921807c0f8f114132ed051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b5f54c26d916f4748bec9f2dbe4be6ad1cbae999b921807c0f8f114132ed051", kill_on_drop: false }`
[INFO] [stdout] 9b5f54c26d916f4748bec9f2dbe4be6ad1cbae999b921807c0f8f114132ed051
