[INFO] fetching crate hydroflow 0.5.0...
[INFO] testing hydroflow-0.5.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate hydroflow 0.5.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate hydroflow 0.5.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hydroflow 0.5.0
[INFO] removed 2 missing examples
[INFO] finished tweaking crates.io crate hydroflow 0.5.0
[INFO] tweaked toml for crates.io crate hydroflow 0.5.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate hydroflow 0.5.0 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ref-cast-impl v1.0.16
[INFO] [stderr]   Downloaded webbrowser v0.8.11
[INFO] [stderr]   Downloaded anstyle-parse v0.1.1
[INFO] [stderr]   Downloaded libm v0.2.6
[INFO] [stderr]   Downloaded zipf v7.0.0
[INFO] [stderr]   Downloaded auto_impl v1.0.1
[INFO] [stderr]   Downloaded cc-traits v2.0.0
[INFO] [stderr]   Downloaded clap_builder v4.2.1
[INFO] [stderr]   Downloaded syn v2.0.14
[INFO] [stderr]   Downloaded tree-sitter-cli v0.20.8
[INFO] [stderr]   Downloaded insta v1.29.0
[INFO] [stderr]   Downloaded tree-sitter-c2rust v0.20.10
[INFO] [stderr]   Downloaded clap v4.2.1
[INFO] [stderr]   Downloaded hydroflow_lang v0.5.0
[INFO] [stderr]   Downloaded winnow v0.4.1
[INFO] [stderr]   Downloaded rust-sitter-tool v0.3.3
[INFO] [stderr]   Downloaded hydroflow_datalog_core v0.5.0
[INFO] [stderr]   Downloaded rust-sitter v0.3.3
[INFO] [stderr]   Downloaded textnonce v1.0.0
[INFO] [stderr]   Downloaded utf8-width v0.1.6
[INFO] [stderr]   Downloaded sealed v0.5.0
[INFO] [stderr]   Downloaded concolor-query v0.3.3
[INFO] [stderr]   Downloaded anstyle v0.3.5
[INFO] [stderr]   Downloaded tokio-stream v0.1.12
[INFO] [stderr]   Downloaded anstream v0.2.6
[INFO] [stderr]   Downloaded tree-sitter-highlight v0.20.1
[INFO] [stderr]   Downloaded c2rust-bitfields v0.3.0
[INFO] [stderr]   Downloaded tree-sitter-tags v0.20.2
[INFO] [stderr]   Downloaded tree-sitter-loader v0.20.0
[INFO] [stderr]   Downloaded smallbitvec v2.5.1
[INFO] [stderr]   Downloaded c2rust-bitfields-derive v0.2.1
[INFO] [stderr]   Downloaded concolor-override v1.0.0
[INFO] [stderr]   Downloaded ctor v0.2.2
[INFO] [stderr]   Downloaded ref-cast v1.0.16
[INFO] [stderr]   Downloaded hydroflow_cli_integration v0.3.0
[INFO] [stderr]   Downloaded rust-sitter-common v0.3.3
[INFO] [stderr]   Downloaded syn-inline-mod v0.5.0
[INFO] [stderr]   Downloaded tree-sitter-config v0.19.0
[INFO] [stderr]   Downloaded hydroflow_datalog v0.5.0
[INFO] [stderr]   Downloaded anstyle-wincon v0.2.0
[INFO] [stderr]   Downloaded hydroflow_macro v0.5.0
[INFO] [stderr]   Downloaded variadics v0.0.2
[INFO] [stderr]   Downloaded multiplatform_test v0.0.0
[INFO] [stderr]   Downloaded pusherator v0.0.3
[INFO] [stderr]   Downloaded rust-sitter-macro v0.3.3
[INFO] [stderr]   Downloaded lattices v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdf80f70edfd772664398fa773f2293b096968efca7f381df88f07f381a63a9d
[INFO] running `Command { std: "docker" "start" "-a" "bdf80f70edfd772664398fa773f2293b096968efca7f381df88f07f381a63a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdf80f70edfd772664398fa773f2293b096968efca7f381df88f07f381a63a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdf80f70edfd772664398fa773f2293b096968efca7f381df88f07f381a63a9d", kill_on_drop: false }`
[INFO] [stdout] bdf80f70edfd772664398fa773f2293b096968efca7f381df88f07f381a63a9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14892bdd002ce32e445d290a504fa518492ecba8d56e7d3f5620bc4bbd2225e5
[INFO] running `Command { std: "docker" "start" "-a" "14892bdd002ce32e445d290a504fa518492ecba8d56e7d3f5620bc4bbd2225e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling regex-syntax v0.7.2
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling bitflags v1.3.2
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[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling linux-raw-sys v0.3.1
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling prettyplease v0.2.4
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling tinyvec v1.6.0
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[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
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[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling home v0.5.5
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[INFO] [stderr]    Compiling unicode-normalization v0.1.22
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[INFO] [stderr]    Compiling syn v2.0.14
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[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling webbrowser v0.8.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling smallbitvec v2.5.1
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling toml_datetime v0.6.1
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling winnow v0.4.1
[INFO] [stderr]    Compiling anstyle-parse v0.1.1
[INFO] [stderr]    Compiling tokio v1.27.0
[INFO] [stderr]    Compiling concolor-override v1.0.0
[INFO] [stderr]    Compiling concolor-query v0.3.3
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling anstyle v0.3.5
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling mio v0.8.6
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling is-terminal v0.4.7
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling anstream v0.2.6
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling bytes v1.4.0
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[INFO] [stderr]    Compiling clap_lex v0.4.1
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling clap_builder v4.2.1
[INFO] [stderr]    Compiling ref-cast v1.0.16
[INFO] [stderr]    Compiling toml_edit v0.19.8
[INFO] [stderr]    Compiling cc-traits v2.0.0
[INFO] [stderr]    Compiling variadics v0.0.2
[INFO] [stderr]    Compiling data-encoding v2.4.0
[INFO] [stderr]    Compiling pusherator v0.0.3
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling rust-sitter-common v0.3.3
[INFO] [stderr]    Compiling syn-inline-mod v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling hydroflow_lang v0.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.0.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.24
[INFO] [stderr]    Compiling clap_derive v4.2.0
[INFO] [stderr]    Compiling ref-cast-impl v1.0.16
[INFO] [stderr]    Compiling sealed v0.5.0
[INFO] [stderr]    Compiling auto_impl v1.0.1
[INFO] [stderr]    Compiling c2rust-bitfields-derive v0.2.1
[INFO] [stderr]    Compiling rust-sitter-macro v0.3.3
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling c2rust-bitfields v0.3.0
[INFO] [stderr]    Compiling tree-sitter-c2rust v0.20.10
[INFO] [stderr]    Compiling tree-sitter-tags v0.20.2
[INFO] [stderr]    Compiling tree-sitter-highlight v0.20.1
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling clap v4.2.1
[INFO] [stderr]    Compiling rust-sitter v0.3.3
[INFO] [stderr]    Compiling futures-executor v0.3.28
[INFO] [stderr]    Compiling futures v0.3.28
[INFO] [stderr]    Compiling tokio-util v0.7.7
[INFO] [stderr]    Compiling tokio-stream v0.1.12
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling lattices v0.5.0
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling tree-sitter-config v0.19.0
[INFO] [stderr]    Compiling tree-sitter-cli v0.20.8
[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-6f17d22bba15001f/hydroflow_lang-0.5.0/src/lib.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     feature(proc_macro_diagnostic, proc_macro_span)
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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-6f17d22bba15001f/hydroflow_lang-0.5.0/src/lib.rs:6:36
[INFO] [stdout]   |
[INFO] [stdout] 6 |     feature(proc_macro_diagnostic, proc_macro_span)
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[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_lang` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "14892bdd002ce32e445d290a504fa518492ecba8d56e7d3f5620bc4bbd2225e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14892bdd002ce32e445d290a504fa518492ecba8d56e7d3f5620bc4bbd2225e5", kill_on_drop: false }`
[INFO] [stdout] 14892bdd002ce32e445d290a504fa518492ecba8d56e7d3f5620bc4bbd2225e5
