[INFO] fetching crate json-lines-viewer 0.5.0...
[INFO] testing json-lines-viewer-0.5.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate json-lines-viewer 0.5.0 into /workspace/builds/worker-5-tc2/source
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate json-lines-viewer 0.5.0
[INFO] finished tweaking crates.io crate json-lines-viewer 0.5.0
[INFO] tweaked toml for crates.io crate json-lines-viewer 0.5.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate json-lines-viewer 0.5.0 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 json-lines-viewer 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" "+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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9461e612713a3f19e2637f4d5aa2a79c89696b0dc1d83d467ee3671b60df63b4
[INFO] running `Command { std: "docker" "start" "-a" "9461e612713a3f19e2637f4d5aa2a79c89696b0dc1d83d467ee3671b60df63b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9461e612713a3f19e2637f4d5aa2a79c89696b0dc1d83d467ee3671b60df63b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9461e612713a3f19e2637f4d5aa2a79c89696b0dc1d83d467ee3671b60df63b4", kill_on_drop: false }`
[INFO] [stdout] 9461e612713a3f19e2637f4d5aa2a79c89696b0dc1d83d467ee3671b60df63b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 93e015447e0004cd34c9bf9fb1ca11d8a66727b826b2019832f4ce3ec81bb63c
[INFO] running `Command { std: "docker" "start" "-a" "93e015447e0004cd34c9bf9fb1ca11d8a66727b826b2019832f4ce3ec81bb63c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling unicode-width v0.2.0
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling convert_case v0.7.1
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling line-clipping v0.3.3
[INFO] [stderr]    Compiling zlib-rs v0.5.1
[INFO] [stderr]    Compiling anstyle-query v1.1.3
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling anstream v0.6.19
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling bumpalo v3.18.1
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling lru v0.14.0
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling castaway v0.2.3
[INFO] [stderr]    Compiling winnow v0.7.10
[INFO] [stderr]    Compiling zopfli v0.8.2
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling clap_builder v4.5.39
[INFO] [stderr]    Compiling compact_str v0.9.0
[INFO] [stderr]    Compiling pbkdf2 v0.12.2
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling deflate64 v0.1.9
[INFO] [stderr]    Compiling constant_time_eq v0.3.1
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling unicode-truncate v2.0.0
[INFO] [stderr]    Compiling cc v1.2.26
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]    Compiling liblzma-sys v0.4.4
[INFO] [stderr]    Compiling bzip2-sys v0.1.13+1.0.8
[INFO] [stderr]    Compiling bzip2 v0.5.2
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling liblzma v0.4.1
[INFO] [stderr]    Compiling libz-rs-sys v0.5.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling strum_macros v0.27.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling crossterm v0.29.0
[INFO] [stderr]    Compiling kasuari v0.4.6
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling instability v0.3.7
[INFO] [stderr]    Compiling clap v4.5.39
[INFO] [stderr]    Compiling zstd v0.13.3
[INFO] [stderr]    Compiling strum v0.27.1
[INFO] [stderr]    Compiling zip v4.0.0
[INFO] [stderr]    Compiling ratatui-core v0.1.0-alpha.5
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling ratatui-widgets v0.3.0-alpha.4
[INFO] [stderr]    Compiling ratatui-crossterm v0.1.0-alpha.4
[INFO] [stderr]    Compiling ratatui-macros v0.7.0-alpha.3
[INFO] [stderr]    Compiling ratatui v0.30.0-alpha.4
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling json-lines-viewer v0.5.0 (/opt/rustwide/workdir)
[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(iter_advance_by)]
[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 `json-lines-viewer` (bin "json-lines-viewer") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "93e015447e0004cd34c9bf9fb1ca11d8a66727b826b2019832f4ce3ec81bb63c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93e015447e0004cd34c9bf9fb1ca11d8a66727b826b2019832f4ce3ec81bb63c", kill_on_drop: false }`
[INFO] [stdout] 93e015447e0004cd34c9bf9fb1ca11d8a66727b826b2019832f4ce3ec81bb63c
