[INFO] fetching crate pipec 0.2.1... [INFO] testing pipec-0.2.1 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate pipec 0.2.1 into /workspace/builds/worker-4-tc2/source [INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml [INFO] started tweaking crates.io crate pipec 0.2.1 [INFO] finished tweaking crates.io crate pipec 0.2.1 [INFO] tweaked toml for crates.io crate pipec 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate pipec 0.2.1 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate pipec 0.2.1 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a0f3e3d9864fcee7dd0ab9ff7ad77b81136ca7cf985dded491c28f7e5b817fc5 [INFO] running `Command { std: "docker" "start" "-a" "a0f3e3d9864fcee7dd0ab9ff7ad77b81136ca7cf985dded491c28f7e5b817fc5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a0f3e3d9864fcee7dd0ab9ff7ad77b81136ca7cf985dded491c28f7e5b817fc5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0f3e3d9864fcee7dd0ab9ff7ad77b81136ca7cf985dded491c28f7e5b817fc5", kill_on_drop: false }` [INFO] [stdout] a0f3e3d9864fcee7dd0ab9ff7ad77b81136ca7cf985dded491c28f7e5b817fc5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 55269b305ee31e9de9fb5bd9758f6c8e6e22132e7f48c15f3d71708186e19ed9 [INFO] running `Command { std: "docker" "start" "-a" "55269b305ee31e9de9fb5bd9758f6c8e6e22132e7f48c15f3d71708186e19ed9", kill_on_drop: false }` [INFO] [stderr] Compiling bitflags v2.9.1 [INFO] [stderr] Compiling rustversion v1.0.21 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling regex-syntax v0.8.5 [INFO] [stderr] Compiling itertools v0.13.0 [INFO] [stderr] Compiling cc v1.2.29 [INFO] [stderr] Compiling unicode-width v0.2.0 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Compiling mio v1.0.4 [INFO] [stderr] Compiling indoc v2.0.6 [INFO] [stderr] Compiling lru v0.14.0 [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Compiling convert_case v0.7.1 [INFO] [stderr] Compiling hashbrown v0.15.4 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Compiling rustix v1.0.7 [INFO] [stderr] Compiling deranged v0.4.0 [INFO] [stderr] Compiling signal-hook v0.3.18 [INFO] [stderr] Compiling time-core v0.1.4 [INFO] [stderr] Compiling memchr v2.7.5 [INFO] [stderr] Compiling litrs v0.4.1 [INFO] [stderr] Compiling num_threads v0.1.7 [INFO] [stderr] Compiling linux-raw-sys v0.9.4 [INFO] [stderr] Compiling parking_lot v0.12.4 [INFO] [stderr] Compiling signal-hook-mio v0.2.4 [INFO] [stderr] Compiling colored v2.2.0 [INFO] [stderr] Compiling indexmap v2.10.0 [INFO] [stderr] Compiling anyhow v1.0.98 [INFO] [stderr] Compiling line-clipping v0.3.3 [INFO] [stderr] Compiling castaway v0.2.3 [INFO] [stderr] Compiling compact_str v0.9.0 [INFO] [stderr] Compiling crc32fast v1.4.2 [INFO] [stderr] Compiling time v0.3.41 [INFO] [stderr] Compiling peginator_codegen v0.7.0 [INFO] [stderr] Compiling rustix v0.38.44 [INFO] [stderr] Compiling crc-catalog v2.4.0 [INFO] [stderr] Compiling peginator v0.7.0 [INFO] [stderr] Compiling crc v3.3.0 [INFO] [stderr] Compiling anstream v0.6.19 [INFO] [stderr] Compiling document-features v0.2.11 [INFO] [stderr] Compiling flate2 v1.1.2 [INFO] [stderr] Compiling unicode-truncate v2.0.0 [INFO] [stderr] Compiling tree-sitter-language v0.1.5 [INFO] [stderr] Compiling linux-raw-sys v0.4.15 [INFO] [stderr] Compiling tree-sitter-bash v0.25.0 [INFO] [stderr] Compiling streaming-iterator v0.1.9 [INFO] [stderr] Compiling x11rb-protocol v0.13.1 [INFO] [stderr] Compiling bytemuck v1.23.1 [INFO] [stderr] Compiling clap_builder v4.5.40 [INFO] [stderr] Compiling png v0.17.16 [INFO] [stderr] Compiling recycle_vec v1.1.2 [INFO] [stderr] Compiling append-only-bytes v0.1.12 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling image v0.25.6 [INFO] [stderr] Compiling pipec v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Compiling darling_core v0.20.11 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling bstr v1.12.0 [INFO] [stderr] Compiling env_filter v0.1.3 [INFO] [stderr] Compiling env_logger v0.11.8 [INFO] [stderr] Compiling tree-sitter v0.25.8 [INFO] [stderr] Compiling thiserror-impl v2.0.12 [INFO] [stderr] Compiling strum_macros v0.27.1 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling derive_more-impl v2.0.1 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling clap_derive v4.5.40 [INFO] [stderr] Compiling x11rb v0.13.1 [INFO] [stderr] Compiling derive_more v2.0.1 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling thiserror v2.0.12 [INFO] [stderr] Compiling tokio v1.46.1 [INFO] [stderr] Compiling kasuari v0.4.7 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling filedescriptor v0.8.3 [INFO] [stderr] Compiling darling_macro v0.20.11 [INFO] [stderr] Compiling crossterm v0.29.0 [INFO] [stderr] Compiling strum v0.27.1 [INFO] [stderr] Compiling darling v0.20.11 [INFO] [stderr] Compiling instability v0.3.7 [INFO] [stderr] Compiling ratatui-core v0.1.0-alpha.6 [INFO] [stderr] Compiling arboard v3.6.0 [INFO] [stderr] Compiling clap v4.5.40 [INFO] [stderr] Compiling tree-sitter-highlight v0.25.8 [INFO] [stderr] Compiling ratatui-widgets v0.3.0-alpha.5 [INFO] [stderr] Compiling ratatui-crossterm v0.1.0-alpha.5 [INFO] [stderr] Compiling async-tempfile v0.7.0 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling ratatui-macros v0.7.0-alpha.4 [INFO] [stderr] Compiling ratatui v0.30.0-alpha.5 [INFO] [stderr] Compiling tui-input v0.12.1 [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(result_option_map_or_default, box_patterns, import_trait_associated_functions, exit_status_error)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `iterations` is never read [INFO] [stdout] --> /opt/rustwide/target/debug/build/pipec-e261bb7a5f5302c0/out/pipeline_ebnf.rs:6:4784 [INFO] [stdout] | [INFO] [stdout] 6 | ...err) => { state = state . record_error (err) ; break ; } } iterations += 1 ; } Ok (ParseOk { result : rest_commands , state }) } pub t... [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `iterations` is never read [INFO] [stdout] --> /opt/rustwide/target/debug/build/pipec-e261bb7a5f5302c0/out/pipeline_ebnf.rs:6:7773 [INFO] [stdout] | [INFO] [stdout] 6 | ...err) => { state = state . record_error (err) ; break ; } } iterations += 1 ; } Ok (ParseOk { result : () , state }) } pub type Parsed ... [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `iterations` is never read [INFO] [stdout] --> /opt/rustwide/target/debug/build/pipec-e261bb7a5f5302c0/out/pipeline_ebnf.rs:6:17710 [INFO] [stdout] | [INFO] [stdout] 6 | ...err) => { state = state . record_error (err) ; break ; } } iterations += 1 ; } Ok (ParseOk { result : () , state }) } pub type Parsed ... [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `iterations` is never read [INFO] [stdout] --> /opt/rustwide/target/debug/build/pipec-e261bb7a5f5302c0/out/pipeline_ebnf.rs:6:20496 [INFO] [stdout] | [INFO] [stdout] 6 | ...err) => { state = state . record_error (err) ; break ; } } iterations += 1 ; } Ok (ParseOk { result : () , state }) } pub type Parsed ... [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `iterations` is never read [INFO] [stdout] --> /opt/rustwide/target/debug/build/pipec-e261bb7a5f5302c0/out/pipeline_ebnf.rs:6:22414 [INFO] [stdout] | [INFO] [stdout] 6 | ...err) => { state = state . record_error (err) ; break ; } } iterations += 1 ; } Ok (ParseOk { result : () , state }) } pub type Parsed ... [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `pipec` (bin "pipec") due to 1 previous error; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "55269b305ee31e9de9fb5bd9758f6c8e6e22132e7f48c15f3d71708186e19ed9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55269b305ee31e9de9fb5bd9758f6c8e6e22132e7f48c15f3d71708186e19ed9", kill_on_drop: false }` [INFO] [stdout] 55269b305ee31e9de9fb5bd9758f6c8e6e22132e7f48c15f3d71708186e19ed9