[INFO] fetching crate ezel 0.0.1...
[INFO] testing ezel-0.0.1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate ezel 0.0.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate ezel 0.0.1 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] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate ezel 0.0.1
[INFO] finished tweaking crates.io crate ezel 0.0.1
[INFO] tweaked toml for crates.io crate ezel 0.0.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate ezel 0.0.1 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded svg v0.10.0
[INFO] [stderr]   Downloaded unic-common v0.9.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.8
[INFO] [stderr]   Downloaded lexical v6.1.0
[INFO] [stderr]   Downloaded num-rational v0.4.0
[INFO] [stderr]   Downloaded parking_lot_core v0.9.2
[INFO] [stderr]   Downloaded unic-char-range v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-version v0.9.0
[INFO] [stderr]   Downloaded version-compare v0.0.11
[INFO] [stderr]   Downloaded associative-cache v1.0.1
[INFO] [stderr]   Downloaded system-deps v3.2.0
[INFO] [stderr]   Downloaded piet-direct2d v0.5.0
[INFO] [stderr]   Downloaded unic-bidi v0.9.0
[INFO] [stderr]   Downloaded lexical-parse-integer v0.8.3
[INFO] [stderr]   Downloaded lexical-util v0.8.3
[INFO] [stderr]   Downloaded euclid v0.22.6
[INFO] [stderr]   Downloaded lexical-write-integer v0.8.3
[INFO] [stderr]   Downloaded windows-sys v0.34.0
[INFO] [stderr]   Downloaded polars-utils v0.20.0
[INFO] [stderr]   Downloaded polars-time v0.20.0
[INFO] [stderr]   Downloaded pango v0.14.8
[INFO] [stderr]   Downloaded memmap2 v0.5.3
[INFO] [stderr]   Downloaded crossterm v0.23.1
[INFO] [stderr]   Downloaded polars-arrow v0.20.0
[INFO] [stderr]   Downloaded lexical-parse-float v0.8.3
[INFO] [stderr]   Downloaded piet-svg v0.5.0
[INFO] [stderr]   Downloaded streaming-iterator v0.1.5
[INFO] [stderr]   Downloaded pango-sys v0.14.0
[INFO] [stderr]   Downloaded comfy-table v5.0.1
[INFO] [stderr]   Downloaded glib v0.14.8
[INFO] [stderr]   Downloaded core-text v19.2.0
[INFO] [stderr]   Downloaded syn v1.0.89
[INFO] [stderr]   Downloaded polars-io v0.20.0
[INFO] [stderr]   Downloaded libm v0.2.2
[INFO] [stderr]   Downloaded polars v0.20.0
[INFO] [stderr]   Downloaded piet v0.5.0
[INFO] [stderr]   Downloaded glib-sys v0.14.0
[INFO] [stderr]   Downloaded lexical-write-float v0.8.4
[INFO] [stderr]   Downloaded hashbrown v0.12.0
[INFO] [stderr]   Downloaded piet-cairo v0.5.0
[INFO] [stderr]   Downloaded bytemuck_derive v1.1.0
[INFO] [stderr]   Downloaded proc-macro-crate v1.1.3
[INFO] [stderr]   Downloaded quote v1.0.17
[INFO] [stderr]   Downloaded gobject-sys v0.14.0
[INFO] [stderr]   Downloaded strength_reduce v0.2.3
[INFO] [stderr]   Downloaded pangocairo v0.14.0
[INFO] [stderr]   Downloaded polars-lazy v0.20.0
[INFO] [stderr]   Downloaded piet-coregraphics v0.5.0
[INFO] [stderr]   Downloaded cairo-rs v0.14.9
[INFO] [stderr]   Downloaded piet-web v0.5.0
[INFO] [stderr]   Downloaded bytemuck v1.9.0
[INFO] [stderr]   Downloaded hash_hasher v2.0.3
[INFO] [stderr]   Downloaded multiversion v0.6.1
[INFO] [stderr]   Downloaded utf16_lit v2.0.2
[INFO] [stderr]   Downloaded dwrote v0.11.0
[INFO] [stderr]   Downloaded multiversion-macros v0.6.1
[INFO] [stderr]   Downloaded anyhow v1.0.56
[INFO] [stderr]   Downloaded unic-char-property v0.9.0
[INFO] [stderr]   Downloaded num-complex v0.4.0
[INFO] [stderr]   Downloaded glib-macros v0.14.1
[INFO] [stderr]   Downloaded log v0.4.16
[INFO] [stderr]   Downloaded simdutf8 v0.1.3
[INFO] [stderr]   Downloaded cfg-expr v0.8.1
[INFO] [stderr]   Downloaded unic-ucd-bidi v0.9.0
[INFO] [stderr]   Downloaded lexical-core v0.8.3
[INFO] [stderr]   Downloaded cairo-sys-rs v0.14.9
[INFO] [stderr]   Downloaded pangocairo-sys v0.14.0
[INFO] [stderr]   Downloaded piet-common v0.5.0
[INFO] [stderr]   Downloaded libc v0.2.121
[INFO] [stderr]   Downloaded polars-core v0.20.0
[INFO] [stderr]   Downloaded arrow2 v0.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ee8baa8eb3c2344c78310c7c0f34921a457746fbe869b5c9bb9a96b0eed3cd35
[INFO] running `Command { std: "docker" "start" "-a" "ee8baa8eb3c2344c78310c7c0f34921a457746fbe869b5c9bb9a96b0eed3cd35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee8baa8eb3c2344c78310c7c0f34921a457746fbe869b5c9bb9a96b0eed3cd35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee8baa8eb3c2344c78310c7c0f34921a457746fbe869b5c9bb9a96b0eed3cd35", kill_on_drop: false }`
[INFO] [stdout] ee8baa8eb3c2344c78310c7c0f34921a457746fbe869b5c9bb9a96b0eed3cd35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b3d96f7ee379f4b2947619fcb4ec35a0e798845d4419bc171c11e0bce10f19b2
[INFO] running `Command { std: "docker" "start" "-a" "b3d96f7ee379f4b2947619fcb4ec35a0e798845d4419bc171c11e0bce10f19b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling cfg-expr v0.8.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling version-compare v0.0.11
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling lexical-util v0.8.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling lexical-write-integer v0.8.3
[INFO] [stderr]    Compiling lexical-parse-integer v0.8.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling lexical-parse-float v0.8.3
[INFO] [stderr]    Compiling lexical-write-float v0.8.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling lexical-core v0.8.3
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling parking_lot v0.12.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling unic-common v0.9.0
[INFO] [stderr]    Compiling simdutf8 v0.1.3
[INFO] [stderr]    Compiling streaming-iterator v0.1.5
[INFO] [stderr]    Compiling unic-char-range v0.9.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling strength_reduce v0.2.3
[INFO] [stderr]    Compiling hash_hasher v2.0.3
[INFO] [stderr]    Compiling unic-char-property v0.9.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling hashbrown v0.12.0
[INFO] [stderr]    Compiling crossterm v0.23.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling strum v0.23.0
[INFO] [stderr]    Compiling deflate v1.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.5.1
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling unic-ucd-bidi v0.9.0
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling kurbo v0.8.3
[INFO] [stderr]    Compiling unic-bidi v0.9.0
[INFO] [stderr]    Compiling png v0.17.5
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling lexical v6.1.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling memmap2 v0.5.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling bytemuck_derive v1.1.0
[INFO] [stderr]    Compiling multiversion-macros v0.6.1
[INFO] [stderr]    Compiling strum_macros v0.23.1
[INFO] [stderr]    Compiling piet v0.5.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling polars-utils v0.20.0
[INFO] [stderr]    Compiling bytemuck v1.9.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling xi-unicode v0.3.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling svg v0.10.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling euclid v0.22.6
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling multiversion v0.6.1
[INFO] [stderr]    Compiling arrow2 v0.10.1
[INFO] [stderr]    Compiling glib-macros v0.14.1
[INFO] [stderr]    Compiling system-deps v3.2.0
[INFO] [stderr]    Compiling piet-svg v0.5.0
[INFO] [stderr]    Compiling comfy-table v5.0.1
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling glib-sys v0.14.0
[INFO] [stderr]    Compiling gobject-sys v0.14.0
[INFO] [stderr]    Compiling pango-sys v0.14.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.14.9
[INFO] [stderr]    Compiling pangocairo-sys v0.14.0
[INFO] [stderr]    Compiling glib v0.14.8
[INFO] [stderr]    Compiling polars-arrow v0.20.0
[INFO] [stderr]    Compiling polars-core v0.20.0
[INFO] [stderr]    Compiling cairo-rs v0.14.9
[INFO] [stderr]    Compiling pango v0.14.8
[INFO] [stderr]    Compiling pangocairo v0.14.0
[INFO] [stderr]    Compiling piet-cairo v0.5.0
[INFO] [stderr]    Compiling piet-common v0.5.0
[INFO] [stderr]    Compiling polars-io v0.20.0
[INFO] [stderr]    Compiling polars-time v0.20.0
[INFO] [stderr]    Compiling polars-lazy v0.20.0
[INFO] [stderr]    Compiling polars v0.20.0
[INFO] [stderr]    Compiling ezel v0.0.1 (/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(min_specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ezel` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `polars-core` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name polars_core --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/polars-core-0.20.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="chrono"' --cfg 'feature="comfy-table"' --cfg 'feature="default"' --cfg 'feature="docs"' --cfg 'feature="dtype-date"' --cfg 'feature="dtype-datetime"' --cfg 'feature="dtype-duration"' --cfg 'feature="fmt"' --cfg 'feature="lazy"' --cfg 'feature="performant"' --cfg 'feature="private"' --cfg 'feature="regex"' --cfg 'feature="sort_multiple"' --cfg 'feature="temporal"' --cfg 'feature="zip_with"' -C metadata=35d6c3ed37001589 -C extra-filename=-35d6c3ed37001589 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ahash=/opt/rustwide/target/debug/deps/libahash-a06576f1c4e32818.rmeta --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-e494d85fe3320118.rmeta --extern arrow=/opt/rustwide/target/debug/deps/libarrow2-1ce5ef719dce1222.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-b21a756a6736b006.rmeta --extern comfy_table=/opt/rustwide/target/debug/deps/libcomfy_table-b59642f1983279be.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-3f4d5b65f707d945.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-c6b645aaab4ca847.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-591486ebcb9a7ead.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-492aa80283b6053a.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-9d9bef46951f4dc8.rmeta --extern polars_arrow=/opt/rustwide/target/debug/deps/libpolars_arrow-6c7c93fd4ffdcf06.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-0d92408b2d996278.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-6f701831efb68404.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-79de92de3ad833e9.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "b3d96f7ee379f4b2947619fcb4ec35a0e798845d4419bc171c11e0bce10f19b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3d96f7ee379f4b2947619fcb4ec35a0e798845d4419bc171c11e0bce10f19b2", kill_on_drop: false }`
[INFO] [stdout] b3d96f7ee379f4b2947619fcb4ec35a0e798845d4419bc171c11e0bce10f19b2
[INFO] testing ezel-0.0.1 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate ezel 0.0.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate ezel 0.0.1 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate ezel 0.0.1
[INFO] finished tweaking crates.io crate ezel 0.0.1
[INFO] tweaked toml for crates.io crate ezel 0.0.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate ezel 0.0.1 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-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40b449574cb6e43e47343e593459a2d2303d518903da5b70b8ecfeeb66d5cf19
[INFO] running `Command { std: "docker" "start" "-a" "40b449574cb6e43e47343e593459a2d2303d518903da5b70b8ecfeeb66d5cf19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40b449574cb6e43e47343e593459a2d2303d518903da5b70b8ecfeeb66d5cf19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40b449574cb6e43e47343e593459a2d2303d518903da5b70b8ecfeeb66d5cf19", kill_on_drop: false }`
[INFO] [stdout] 40b449574cb6e43e47343e593459a2d2303d518903da5b70b8ecfeeb66d5cf19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d413886e5083a5b9b59f3ed36f7fd8c67336145e8e057bc86c62c5cb465b51ce
[INFO] running `Command { std: "docker" "start" "-a" "d413886e5083a5b9b59f3ed36f7fd8c67336145e8e057bc86c62c5cb465b51ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling cfg-expr v0.8.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling version-compare v0.0.11
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling lexical-util v0.8.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling lexical-write-integer v0.8.3
[INFO] [stderr]    Compiling lexical-parse-integer v0.8.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling lexical-parse-float v0.8.3
[INFO] [stderr]    Compiling lexical-write-float v0.8.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling lexical-core v0.8.3
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling parking_lot v0.12.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling simdutf8 v0.1.3
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling unic-common v0.9.0
[INFO] [stderr]    Compiling unic-char-range v0.9.0
[INFO] [stderr]    Compiling streaming-iterator v0.1.5
[INFO] [stderr]    Compiling strength_reduce v0.2.3
[INFO] [stderr]    Compiling hash_hasher v2.0.3
[INFO] [stderr]    Compiling unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling unic-char-property v0.9.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling hashbrown v0.12.0
[INFO] [stderr]    Compiling crossterm v0.23.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling strum v0.23.0
[INFO] [stderr]    Compiling deflate v1.0.0
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling miniz_oxide v0.5.1
[INFO] [stderr]    Compiling unic-ucd-bidi v0.9.0
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling unic-bidi v0.9.0
[INFO] [stderr]    Compiling png v0.17.5
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling multiversion-macros v0.6.1
[INFO] [stderr]    Compiling bytemuck_derive v1.1.0
[INFO] [stderr]    Compiling strum_macros v0.23.1
[INFO] [stderr]    Compiling kurbo v0.8.3
[INFO] [stderr]    Compiling piet v0.5.0
[INFO] [stderr]    Compiling bytemuck v1.9.0
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling lexical v6.1.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling memmap2 v0.5.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling polars-utils v0.20.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling xi-unicode v0.3.0
[INFO] [stderr]    Compiling multiversion v0.6.1
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling system-deps v3.2.0
[INFO] [stderr]    Compiling arrow2 v0.10.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling svg v0.10.0
[INFO] [stderr]    Compiling glib-macros v0.14.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling comfy-table v5.0.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling glib-sys v0.14.0
[INFO] [stderr]    Compiling gobject-sys v0.14.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.14.9
[INFO] [stderr]    Compiling pango-sys v0.14.0
[INFO] [stderr]    Compiling pangocairo-sys v0.14.0
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling piet-svg v0.5.0
[INFO] [stderr]    Compiling euclid v0.22.6
[INFO] [stderr]    Compiling glib v0.14.8
[INFO] [stderr]    Compiling polars-arrow v0.20.0
[INFO] [stderr]    Compiling polars-core v0.20.0
[INFO] [stderr]    Compiling pango v0.14.8
[INFO] [stderr]    Compiling cairo-rs v0.14.9
[INFO] [stderr]    Compiling pangocairo v0.14.0
[INFO] [stderr]    Compiling piet-cairo v0.5.0
[INFO] [stderr]    Compiling piet-common v0.5.0
[INFO] [stderr]    Compiling polars-io v0.20.0
[INFO] [stderr]    Compiling polars-time v0.20.0
[INFO] [stderr]    Compiling polars-lazy v0.20.0
[INFO] [stderr]    Compiling polars v0.20.0
[INFO] [stderr]    Compiling ezel v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(min_specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ezel` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `polars-core` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/bin/rustc --crate-name polars_core --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/polars-core-0.20.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="chrono"' --cfg 'feature="comfy-table"' --cfg 'feature="default"' --cfg 'feature="docs"' --cfg 'feature="dtype-date"' --cfg 'feature="dtype-datetime"' --cfg 'feature="dtype-duration"' --cfg 'feature="fmt"' --cfg 'feature="lazy"' --cfg 'feature="performant"' --cfg 'feature="private"' --cfg 'feature="regex"' --cfg 'feature="sort_multiple"' --cfg 'feature="temporal"' --cfg 'feature="zip_with"' -C metadata=b6205428d8bdbf74 -C extra-filename=-b6205428d8bdbf74 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ahash=/opt/rustwide/target/debug/deps/libahash-2ea867f75d08ac4b.rmeta --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-13789d6de28d2396.rmeta --extern arrow=/opt/rustwide/target/debug/deps/libarrow2-5c8056af3a36602c.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-6a6901f53b3d7e2f.rmeta --extern comfy_table=/opt/rustwide/target/debug/deps/libcomfy_table-544f9c9dcd2ea3d3.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-7e32f49af61e0371.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-22b42f71e80895ce.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-efa3519517df6cf0.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-398c3ac45449b4bc.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-73e9d76b49c11c1f.rmeta --extern polars_arrow=/opt/rustwide/target/debug/deps/libpolars_arrow-71b29d8962d754dc.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-4df112831fff9a10.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-a597e9f26b0ea7ec.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-1ade79f4dbffcedf.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "d413886e5083a5b9b59f3ed36f7fd8c67336145e8e057bc86c62c5cb465b51ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d413886e5083a5b9b59f3ed36f7fd8c67336145e8e057bc86c62c5cb465b51ce", kill_on_drop: false }`
[INFO] [stdout] d413886e5083a5b9b59f3ed36f7fd8c67336145e8e057bc86c62c5cb465b51ce
