[INFO] fetching crate rem-server 0.1.1...
[INFO] testing rem-server-0.1.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rem-server 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rem-server 0.1.1
[INFO] finished tweaking crates.io crate rem-server 0.1.1
[INFO] tweaked toml for crates.io crate rem-server 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rem-server 0.1.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rem-server 0.1.1 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17beb65e453ff9cf9f83be15a5a35b9eb55c132d9e167b91f0c580f9160e4f95
[INFO] running `Command { std: "docker" "start" "-a" "17beb65e453ff9cf9f83be15a5a35b9eb55c132d9e167b91f0c580f9160e4f95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17beb65e453ff9cf9f83be15a5a35b9eb55c132d9e167b91f0c580f9160e4f95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17beb65e453ff9cf9f83be15a5a35b9eb55c132d9e167b91f0c580f9160e4f95", kill_on_drop: false }`
[INFO] [stdout] 17beb65e453ff9cf9f83be15a5a35b9eb55c132d9e167b91f0c580f9160e4f95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f720cc7d2ebd282bb8ccda163b9364bb823eb53341db617f844bec417f4c92d3
[INFO] running `Command { std: "docker" "start" "-a" "f720cc7d2ebd282bb8ccda163b9364bb823eb53341db617f844bec417f4c92d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling camino v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-properties v0.1.4
[INFO] [stderr]    Compiling jod-thread v0.1.2
[INFO] [stderr]    Compiling text-size v1.1.1
[INFO] [stderr]    Compiling fst v0.4.7
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling ra_ap_limit v0.0.262
[INFO] [stderr]    Compiling ra_ap_edition v0.0.262
[INFO] [stderr]    Compiling countme v3.0.1
[INFO] [stderr]    Compiling drop_bomb v0.1.5
[INFO] [stderr]    Compiling ra-ap-rustc_lexer v0.91.0
[INFO] [stderr]    Compiling cov-mark v2.2.0
[INFO] [stderr]    Compiling smol_str v0.3.4
[INFO] [stderr]    Compiling la-arena v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling ena v0.14.3
[INFO] [stderr]    Compiling rustc_apfloat v0.2.3+llvm-462a31f5a5ab
[INFO] [stderr]    Compiling lz4_flex v0.11.5
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[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling ra_ap_paths v0.0.262
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
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[INFO] [stderr]    Compiling hashlink v0.10.0
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]    Compiling pest_meta v2.8.3
[INFO] [stderr]    Compiling inotify-sys v0.1.5
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[INFO] [stderr]    Compiling arraydeque v0.5.1
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[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
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[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling toml v0.9.8
[INFO] [stderr]    Compiling convert_case v0.6.0
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[INFO] [stderr]    Compiling inotify v0.11.0
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling dlv-list v0.5.2
[INFO] [stderr]    Compiling ra_ap_toolchain v0.0.262
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[INFO] [stderr]    Compiling protobuf v3.7.1
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[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling notify-types v2.0.0
[INFO] [stderr]    Compiling time-core v0.1.6
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[INFO] [stderr]    Compiling rust-ini v0.21.3
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling clap_builder v4.5.51
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[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
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[INFO] [stderr]    Compiling pulldown-cmark-to-cmark v10.0.4
[INFO] [stderr]    Compiling dirs-sys v0.4.1
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[INFO] [stderr]    Compiling digest v0.10.7
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[INFO] [stderr]    Compiling tracing-tree v0.3.1
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[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
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[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
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[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling pest_derive v2.8.3
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]    Compiling serde_repr v0.1.20
[INFO] [stderr]    Compiling ra-ap-rustc_index v0.91.0
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[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling protobuf-support v3.7.1
[INFO] [stderr]    Compiling zerofrom v0.1.6
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[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling always-assert v0.2.0
[INFO] [stderr]    Compiling ra_ap_stdx v0.0.262
[INFO] [stderr]    Compiling ra_ap_parser v0.0.262
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling ra-ap-rustc_abi v0.91.0
[INFO] [stderr]    Compiling ra-ap-rustc_pattern_analysis v0.91.0
[INFO] [stderr]    Compiling flexi_logger v0.31.7
[INFO] [stderr]    Compiling clap v4.5.51
[INFO] [stderr]    Compiling process-wrap v8.2.1
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling ra_ap_vfs v0.0.262
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling icu_collections v2.1.1
[INFO] [stderr]    Compiling ra_ap_vfs-notify v0.0.262
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling chalk-solve v0.99.0
[INFO] [stderr]    Compiling triomphe v0.1.15
[INFO] [stderr]    Compiling json5 v0.4.1
[INFO] [stderr]    Compiling ron v0.8.1
[INFO] [stderr]    Compiling cargo-platform v0.1.9
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling string_cache v0.8.9
[INFO] [stderr]    Compiling lsp-server v0.7.9
[INFO] [stderr]    Compiling rem-interface v0.1.0
[INFO] [stderr]    Compiling rustfix v0.9.3
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling ra_ap_intern v0.0.262
[INFO] [stderr]    Compiling ra_ap_salsa v0.0.262
[INFO] [stderr]    Compiling ra_ap_syntax v0.0.262
[INFO] [stderr]    Compiling cargo_metadata v0.18.1
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling icu_properties v2.1.1
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling config v0.15.18
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling lsp-types v0.95.0
[INFO] [stderr]    Compiling ra_ap_tt v0.0.262
[INFO] [stderr]    Compiling rem-utils v0.2.1
[INFO] [stderr]    Compiling scip v0.5.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rem-utils-0.2.1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ra_ap_cfg v0.0.262
[INFO] [stderr]    Compiling chalk-recursive v0.99.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rem-utils` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f720cc7d2ebd282bb8ccda163b9364bb823eb53341db617f844bec417f4c92d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f720cc7d2ebd282bb8ccda163b9364bb823eb53341db617f844bec417f4c92d3", kill_on_drop: false }`
[INFO] [stdout] f720cc7d2ebd282bb8ccda163b9364bb823eb53341db617f844bec417f4c92d3
