[INFO] fetching crate hydroflow_plus_cli_integration 0.8.0...
[INFO] checking hydroflow_plus_cli_integration-0.8.0 against 1.95.0 for pr-155915
[INFO] extracting crate hydroflow_plus_cli_integration 0.8.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate hydroflow_plus_cli_integration 0.8.0
[INFO] finished tweaking crates.io crate hydroflow_plus_cli_integration 0.8.0
[INFO] tweaked toml for crates.io crate hydroflow_plus_cli_integration 0.8.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate hydroflow_plus_cli_integration 0.8.0 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
[INFO] [stderr]      Locking 242 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding hydro_deploy v0.8.0 (available: v0.16.0)
[INFO] [stderr]       Adding hydroflow_plus v0.8.0 (available: v0.10.0)
[INFO] [stderr]       Adding stageleft v0.3.0 (available: v0.13.5)
[INFO] [stderr]       Adding stageleft_tool v0.2.0 (available: v0.13.5)
[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 }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha256 v1.6.0
[INFO] [stderr]   Downloaded stageleft_tool v0.2.0
[INFO] [stderr]   Downloaded hydroflow_plus v0.8.0
[INFO] [stderr]   Downloaded syn-inline-mod v0.6.0
[INFO] [stderr]   Downloaded variadics v0.0.5
[INFO] [stderr]   Downloaded stageleft v0.3.0
[INFO] [stderr]   Downloaded stageleft_macro v0.2.0
[INFO] [stderr]   Downloaded lattices_macro v0.5.11
[INFO] [stderr]   Downloaded hydro_build_utils v0.0.1
[INFO] [stderr]   Downloaded variadics_macro v0.5.6
[INFO] [stderr]   Downloaded pusherator v0.0.7
[INFO] [stderr]   Downloaded hydroflow_cli_integration v0.5.2
[INFO] [stderr]   Downloaded variadics v0.0.8
[INFO] [stderr]   Downloaded async-ssh2-lite v0.4.7
[INFO] [stderr]   Downloaded cc-traits v2.0.0
[INFO] [stderr]   Downloaded ssh2 v0.9.5
[INFO] [stderr]   Downloaded hydroflow_lang v0.8.0
[INFO] [stderr]   Downloaded sealed v0.5.0
[INFO] [stderr]   Downloaded lattices v0.5.9
[INFO] [stderr]   Downloaded insta v1.47.2
[INFO] [stderr]   Downloaded hydroflow v0.8.0
[INFO] [stderr]   Downloaded hydro_deploy v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ca0bc6d103ea750e11a7661b86aac47a54b10c743e19f5d7650d42bbeaf267b8
[INFO] running `Command { std: "docker" "start" "-a" "ca0bc6d103ea750e11a7661b86aac47a54b10c743e19f5d7650d42bbeaf267b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca0bc6d103ea750e11a7661b86aac47a54b10c743e19f5d7650d42bbeaf267b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca0bc6d103ea750e11a7661b86aac47a54b10c743e19f5d7650d42bbeaf267b8", kill_on_drop: false }`
[INFO] [stdout] ca0bc6d103ea750e11a7661b86aac47a54b10c743e19f5d7650d42bbeaf267b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c71cf6a15c312df597a1420b1d3151220e43f15d6168aba4a206e8fac080ca05
[INFO] running `Command { std: "docker" "start" "-a" "c71cf6a15c312df597a1420b1d3151220e43f15d6168aba4a206e8fac080ca05", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling bitflags v2.11.1
[INFO] [stderr]    Compiling tokio v1.52.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling console v0.16.3
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling slotmap v1.1.1
[INFO] [stderr]     Checking winnow v0.5.40
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]     Checking cc-traits v2.0.0
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]     Checking web-time v1.1.0
[INFO] [stderr]     Checking quote v1.0.45
[INFO] [stderr]     Checking syn v2.0.117
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]    Compiling insta v1.47.2
[INFO] [stderr]     Checking proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling hydro_build_utils v0.0.1
[INFO] [stderr]    Compiling lattices_macro v0.5.11
[INFO] [stderr]    Compiling syn-inline-mod v0.6.0
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling sealed v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling pin-project-internal v1.1.12
[INFO] [stderr]    Compiling hydroflow_lang v0.8.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling async-recursion v1.1.1
[INFO] [stderr]    Compiling auto_impl v1.3.0
[INFO] [stderr]    Compiling variadics v0.0.8
[INFO] [stderr]     Checking variadics v0.0.5
[INFO] [stderr]     Checking pusherator v0.0.7
[INFO] [stderr]    Compiling variadics_macro v0.5.6
[INFO] [stderr]     Checking ref-cast v1.0.25
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking pin-project v1.1.12
[INFO] [stderr]    Compiling sha256 v1.6.0
[INFO] [stderr]    Compiling stageleft_tool v0.2.0
[INFO] [stderr]    Compiling stageleft_macro v0.2.0
[INFO] [stderr]    Compiling hydroflow_plus v0.8.0
[INFO] [stderr]    Compiling hydroflow_plus_cli_integration v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking stageleft v0.3.0
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking lattices v0.5.9
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking futures-executor v0.3.32
[INFO] [stderr]     Checking futures v0.3.32
[INFO] [stderr]     Checking tokio-util v0.7.18
[INFO] [stderr]     Checking tokio-stream v0.1.18
[INFO] [stderr]     Checking hydroflow_cli_integration v0.5.2
[INFO] [stderr]     Checking hydroflow v0.8.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/hydroflow_plus-0.8.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_patterns)]
[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 `hydroflow_plus` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c71cf6a15c312df597a1420b1d3151220e43f15d6168aba4a206e8fac080ca05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c71cf6a15c312df597a1420b1d3151220e43f15d6168aba4a206e8fac080ca05", kill_on_drop: false }`
[INFO] [stdout] c71cf6a15c312df597a1420b1d3151220e43f15d6168aba4a206e8fac080ca05