[INFO] fetching crate pack-it 0.2.2...
[INFO] testing pack-it-0.2.2 against 1.91.0 for beta-1.92-2
[INFO] extracting crate pack-it 0.2.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate pack-it 0.2.2
[INFO] finished tweaking crates.io crate pack-it 0.2.2
[INFO] tweaked toml for crates.io crate pack-it 0.2.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pack-it 0.2.2 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--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]      Locking 95 packages to latest compatible versions
[INFO] [stderr]       Adding arrow2 v0.16.0 (available: v0.18.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parquet-format-safe v0.2.4
[INFO] [stderr]   Downloaded foreign_vec v0.1.0
[INFO] [stderr]   Downloaded hash_hasher v2.0.4
[INFO] [stderr]   Downloaded seq-macro v0.3.6
[INFO] [stderr]   Downloaded snap v1.1.1
[INFO] [stderr]   Downloaded planus v0.3.1
[INFO] [stderr]   Downloaded arrow-format v0.8.1
[INFO] [stderr]   Downloaded brotli-decompressor v2.5.1
[INFO] [stderr]   Downloaded arrow2 v0.16.0
[INFO] [stderr]   Downloaded brotli v3.5.0
[INFO] [stderr]   Downloaded parquet2 v0.17.2
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 534d2c28c3573c1c935dc462263975ab92a4ed8db9cd320545db4efd32d9070f
[INFO] running `Command { std: "docker" "start" "-a" "534d2c28c3573c1c935dc462263975ab92a4ed8db9cd320545db4efd32d9070f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "534d2c28c3573c1c935dc462263975ab92a4ed8db9cd320545db4efd32d9070f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "534d2c28c3573c1c935dc462263975ab92a4ed8db9cd320545db4efd32d9070f", kill_on_drop: false }`
[INFO] [stdout] 534d2c28c3573c1c935dc462263975ab92a4ed8db9cd320545db4efd32d9070f
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fae9366b953481ac79a1789ac29434e5a341a9ac0ec217bcb89e804b79bf1083
[INFO] running `Command { std: "docker" "start" "-a" "fae9366b953481ac79a1789ac29434e5a341a9ac0ec217bcb89e804b79bf1083", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling zstd-safe v6.0.6
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling snap v1.1.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling brotli-decompressor v2.5.1
[INFO] [stderr]    Compiling array-init-cursor v0.2.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling streaming-decompression v0.1.2
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling planus v0.3.1
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling ethnum v1.5.2
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling cc v1.2.44
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling hash_hasher v2.0.4
[INFO] [stderr]    Compiling foreign_vec v0.1.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling streaming-iterator v0.1.9
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling arrow2 v0.16.0
[INFO] [stderr]    Compiling flate2 v1.1.5
[INFO] [stderr]    Compiling brotli v3.5.0
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling lz4-sys v1.11.1+lz4-1.10.0
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling zstd v0.12.4
[INFO] [stderr]    Compiling arrow-format v0.8.1
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling parquet-format-safe v0.2.4
[INFO] [stderr]    Compiling lz4 v1.28.1
[INFO] [stderr]    Compiling parquet2 v0.17.2
[INFO] [stderr]    Compiling pack-it v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_blocks)]
[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 `pack-it` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "fae9366b953481ac79a1789ac29434e5a341a9ac0ec217bcb89e804b79bf1083", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fae9366b953481ac79a1789ac29434e5a341a9ac0ec217bcb89e804b79bf1083", kill_on_drop: false }`
[INFO] [stdout] fae9366b953481ac79a1789ac29434e5a341a9ac0ec217bcb89e804b79bf1083