[INFO] fetching crate catnip 0.3.1... [INFO] testing catnip-0.3.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate catnip 0.3.1 into /workspace/builds/worker-3-tc2/source [INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain.toml [INFO] started tweaking crates.io crate catnip 0.3.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate catnip 0.3.1 [INFO] tweaked toml for crates.io crate catnip 0.3.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate catnip 0.3.1 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate catnip 0.3.1 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f7dcdf27429ad5bea720545b7cb2b2517ba42ed6306d211e1b67efcba8e35407 [INFO] running `Command { std: "docker" "start" "-a" "f7dcdf27429ad5bea720545b7cb2b2517ba42ed6306d211e1b67efcba8e35407", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f7dcdf27429ad5bea720545b7cb2b2517ba42ed6306d211e1b67efcba8e35407", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7dcdf27429ad5bea720545b7cb2b2517ba42ed6306d211e1b67efcba8e35407", kill_on_drop: false }` [INFO] [stdout] f7dcdf27429ad5bea720545b7cb2b2517ba42ed6306d211e1b67efcba8e35407 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fa451a48a41a2c37aa94cc3aef6c29ccaddc656214fc258c0a1fd752db51923b [INFO] running `Command { std: "docker" "start" "-a" "fa451a48a41a2c37aa94cc3aef6c29ccaddc656214fc258c0a1fd752db51923b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.58 [INFO] [stderr] Compiling quote v1.0.27 [INFO] [stderr] Compiling unicode-ident v1.0.2 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling ufmt-write v0.1.0 [INFO] [stderr] Compiling syn v2.0.16 [INFO] [stderr] Compiling byte_struct_derive v0.9.0 [INFO] [stderr] Compiling byte_struct v0.9.0 [INFO] [stderr] Compiling modular-bitfield-impl v0.11.2 [INFO] [stderr] Compiling ufmt-macros v0.3.0 [INFO] [stderr] Compiling ufmt v0.2.0 [INFO] [stderr] Compiling modular-bitfield v0.11.2 [INFO] [stderr] Compiling catnip v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:67:1 [INFO] [stdout] | [INFO] [stdout] 67 | #![feature(generic_const_exprs)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:67:12 [INFO] [stdout] | [INFO] [stdout] 67 | #![feature(generic_const_exprs)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #76560 for more information [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/ip.rs:101:5 [INFO] [stdout] | [INFO] [stdout] 101 | unused: B1, [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 101 - unused: B1, [INFO] [stdout] 101 + nuse: B1, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/ip.rs:102:5 [INFO] [stdout] | [INFO] [stdout] 102 | /// Flag for routers to drop packets instead of fragmenting [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 102 - /// Flag for routers to drop packets instead of fragmenting [INFO] [stdout] 102 + // Flag for routers to drop packets instead of fragmentin [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/ip.rs:104:5 [INFO] [stdout] | [INFO] [stdout] 104 | /// Flag that there are more fragments coming [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 104 - /// Flag that there are more fragments coming [INFO] [stdout] 104 + // Flag that there are more fragments comin [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/ip.rs:106:5 [INFO] [stdout] | [INFO] [stdout] 106 | /// Where we are in a set of fragments [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 106 - /// Where we are in a set of fragments [INFO] [stdout] 106 + // Where we are in a set of fragment [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/ip.rs:133:5 [INFO] [stdout] | [INFO] [stdout] 133 | /// Length of IP header in 32-bit words (usually 5 words, or 20 bytes) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 133 - /// Length of IP header in 32-bit words (usually 5 words, or 20 bytes) [INFO] [stdout] 133 + // Length of IP header in 32-bit words (usually 5 words, or 20 bytes [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/ip.rs:135:5 [INFO] [stdout] | [INFO] [stdout] 135 | /// IP version number [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 135 - /// IP version number [INFO] [stdout] 135 + // IP version numbe [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 `catnip` (lib) due to 1 previous error; 7 warnings emitted [INFO] running `Command { std: "docker" "inspect" "fa451a48a41a2c37aa94cc3aef6c29ccaddc656214fc258c0a1fd752db51923b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa451a48a41a2c37aa94cc3aef6c29ccaddc656214fc258c0a1fd752db51923b", kill_on_drop: false }` [INFO] [stdout] fa451a48a41a2c37aa94cc3aef6c29ccaddc656214fc258c0a1fd752db51923b