[INFO] fetching crate nickel-lang-core 0.14.0...
[INFO] testing nickel-lang-core-0.14.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate nickel-lang-core 0.14.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate nickel-lang-core 0.14.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate nickel-lang-core 0.14.0
[INFO] tweaked toml for crates.io crate nickel-lang-core 0.14.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nickel-lang-core 0.14.0 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 nickel-lang-core 0.14.0 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] eafdb9ba642920bad83e35bb1f38546364662cff7c70cfbcab68059bb8f446b7
[INFO] running `Command { std: "docker" "start" "-a" "eafdb9ba642920bad83e35bb1f38546364662cff7c70cfbcab68059bb8f446b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eafdb9ba642920bad83e35bb1f38546364662cff7c70cfbcab68059bb8f446b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eafdb9ba642920bad83e35bb1f38546364662cff7c70cfbcab68059bb8f446b7", kill_on_drop: false }`
[INFO] [stdout] eafdb9ba642920bad83e35bb1f38546364662cff7c70cfbcab68059bb8f446b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 69de843adfd53b06a83024f2e9465fc47adedf6062088fffdf09051e61633e00
[INFO] running `Command { std: "docker" "start" "-a" "69de843adfd53b06a83024f2e9465fc47adedf6062088fffdf09051e61633e00", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling cc v1.2.17
[INFO] [stderr]    Compiling indexmap v2.8.0
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling rustix v1.0.3
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling once_cell v1.21.1
[INFO] [stderr]    Compiling linux-raw-sys v0.9.3
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling onig_sys v69.8.1
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling tree-sitter v0.25.5
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling malachite-nz v0.5.1
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling prettyplease v0.2.31
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling malachite-base v0.5.1
[INFO] [stderr]    Compiling logos-codegen v0.15.0
[INFO] [stderr]    Compiling term v1.0.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling tree-sitter-language v0.1.5
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling streaming-iterator v0.1.9
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling owo-colors v4.2.1
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling string_cache v0.8.8
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling miniz_oxide v0.8.5
[INFO] [stderr]    Compiling tinyvec v1.9.0
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling ascii-canvas v4.0.0
[INFO] [stderr]    Compiling crossterm v0.28.1
[INFO] [stderr]    Compiling terminal_size v0.4.2
[INFO] [stderr]    Compiling lalrpop-util v0.22.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling ena v0.14.3
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling strict v0.2.0
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling clap_builder v4.5.32
[INFO] [stderr]    Compiling onig v6.4.0
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]    Compiling crokey-proc_macros v1.1.0
[INFO] [stderr]    Compiling flate2 v1.1.0
[INFO] [stderr]    Compiling bon-macros v3.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling lalrpop v0.22.1
[INFO] [stderr]    Compiling lazy-regex-proc_macros v3.4.1
[INFO] [stderr]    Compiling pad v0.1.6
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling tree-sitter-nickel v0.5.0
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling deunicode v1.6.1
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]    Compiling bitmaps v3.2.1
[INFO] [stderr]    Compiling winnow v0.7.4
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling ouroboros_macro v0.18.5
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling imbl-sized-chunks v0.1.3
[INFO] [stderr]    Compiling syntect v5.2.0
[INFO] [stderr]    Compiling crokey v1.1.0
[INFO] [stderr]    Compiling bon v3.5.1
[INFO] [stderr]    Compiling codespan-reporting v0.12.0
[INFO] [stderr]    Compiling tokio v1.44.2
[INFO] [stderr]    Compiling slug v0.1.6
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling prettydiff v0.8.0
[INFO] [stderr]    Compiling lazy-regex v3.4.1
[INFO] [stderr]    Compiling clap v4.5.32
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling caseless v0.2.2
[INFO] [stderr]    Compiling logos-derive v0.15.0
[INFO] [stderr]    Compiling coolor v1.0.0
[INFO] [stderr]    Compiling topiary-tree-sitter-facade v0.6.1
[INFO] [stderr]    Compiling fd-lock v4.0.4
[INFO] [stderr]    Compiling minimad v0.13.1
[INFO] [stderr]    Compiling vte v0.14.1
[INFO] [stderr]    Compiling xdg v2.5.2
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling entities v1.0.1
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling aliasable v0.1.3
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling pretty v0.12.4
[INFO] [stderr]    Compiling comrak v0.36.0
[INFO] [stderr]    Compiling ouroboros v0.18.5
[INFO] [stderr]    Compiling termimad v0.31.2
[INFO] [stderr]    Compiling rustyline v15.0.0
[INFO] [stderr]    Compiling strip-ansi-escapes v0.2.1
[INFO] [stderr]    Compiling toml v0.8.20
[INFO] [stderr]    Compiling topiary-core v0.6.1
[INFO] [stderr]    Compiling logos v0.15.0
[INFO] [stderr]    Compiling codespan v0.12.0
[INFO] [stderr]    Compiling nickel-lang-vector v0.1.0
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling malachite-q v0.5.1
[INFO] [stderr]    Compiling sha-1 v0.10.1
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling rustyline-derive v0.11.0
[INFO] [stderr]    Compiling topiary-queries v0.6.2
[INFO] [stderr]    Compiling bumpalo v3.17.0
[INFO] [stderr]    Compiling simple-counter v0.1.0
[INFO] [stderr]    Compiling malachite-float v0.5.1
[INFO] [stderr]    Compiling malachite v0.5.1
[INFO] [stderr]    Compiling nickel-lang-core v0.14.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/cache.rs:555:44
[INFO] [stdout]     |
[INFO] [stdout] 555 | ...                   .map_err(|err| (ParseError::from_serde_yaml(err, file_id)))
[INFO] [stdout]     |                                      ^                                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 555 -                             .map_err(|err| (ParseError::from_serde_yaml(err, file_id)))
[INFO] [stdout] 555 +                             .map_err(|err| ParseError::from_serde_yaml(err, file_id))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/cache.rs:574:32
[INFO] [stdout]     |
[INFO] [stdout] 574 |                 .map_err(|err| (ParseError::from_toml(err, file_id))),
[INFO] [stdout]     |                                ^                                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 574 -                 .map_err(|err| (ParseError::from_toml(err, file_id))),
[INFO] [stdout] 574 +                 .map_err(|err| ParseError::from_toml(err, file_id)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nickel-lang-core` (lib); 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name nickel_lang_core --edition=2021 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 '--allow=clippy::new_without_default' --cfg 'feature="default"' --cfg 'feature="doc"' --cfg 'feature="format"' --cfg 'feature="markdown"' --cfg 'feature="repl"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("benchmark-ci", "clap", "default", "doc", "format", "markdown", "metrics", "nix-experimental", "repl", "repl-wasm"))' -C metadata=c51902eb45bd1a26 -C extra-filename=-15d4669d93b18595 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-74ae5010905c21da.rmeta --extern bumpalo=/opt/rustwide/target/debug/deps/libbumpalo-e310eb73f2ab1349.rmeta --extern codespan=/opt/rustwide/target/debug/deps/libcodespan-22da8e59550cf7a0.rmeta --extern codespan_reporting=/opt/rustwide/target/debug/deps/libcodespan_reporting-1e56537277d2c3d2.rmeta --extern colorchoice=/opt/rustwide/target/debug/deps/libcolorchoice-c3c00c022d852059.rmeta --extern comrak=/opt/rustwide/target/debug/deps/libcomrak-876a6ec3b03795df.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-458d9da2898b2eb4.rmeta --extern indoc=/opt/rustwide/target/debug/deps/libindoc-4b5291e93ee93d8f.so --extern lalrpop_util=/opt/rustwide/target/debug/deps/liblalrpop_util-d54d855cdc35e5ce.rmeta --extern logos=/opt/rustwide/target/debug/deps/liblogos-35f5ce3c9e65c8c5.rmeta --extern malachite=/opt/rustwide/target/debug/deps/libmalachite-eb1f9442252e09d5.rmeta --extern malachite_q=/opt/rustwide/target/debug/deps/libmalachite_q-69ad41722e04c0a0.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-e051820aa45fc8e0.rmeta --extern nickel_lang_vector=/opt/rustwide/target/debug/deps/libnickel_lang_vector-1f41d0a957cb1cb6.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-d7a5b5d3f8ed20f2.rmeta --extern ouroboros=/opt/rustwide/target/debug/deps/libouroboros-c4da71e0f94ec89a.rmeta --extern pretty=/opt/rustwide/target/debug/deps/libpretty-911b8eabb1e74417.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-58a86d8b06441b02.rmeta --extern rustyline=/opt/rustwide/target/debug/deps/librustyline-ca6986f019362423.rmeta --extern rustyline_derive=/opt/rustwide/target/debug/deps/librustyline_derive-29abffb73804e0ea.so --extern serde=/opt/rustwide/target/debug/deps/libserde-2b4a6408c6c74557.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-db66d81ff4f7b53c.rmeta --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-31e73172683452b5.rmeta --extern sha1=/opt/rustwide/target/debug/deps/libsha1-98e89e48574b2a52.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-922a4f54b2a39622.rmeta --extern simple_counter=/opt/rustwide/target/debug/deps/libsimple_counter-daf3c50d75f18aa1.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-7901128ccdfc41d2.rmeta --extern strip_ansi_escapes=/opt/rustwide/target/debug/deps/libstrip_ansi_escapes-761b79045a3b5b76.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-4d1ed08a123238dc.rmeta --extern termimad=/opt/rustwide/target/debug/deps/libtermimad-2106a822847ca054.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-c9b500891355f982.rmeta --extern toml_edit=/opt/rustwide/target/debug/deps/libtoml_edit-b551e73222f03bea.rmeta --extern topiary_core=/opt/rustwide/target/debug/deps/libtopiary_core-94c73702e7b9239c.rmeta --extern topiary_queries=/opt/rustwide/target/debug/deps/libtopiary_queries-beb0164fc8af4ce6.rmeta --extern tree_sitter_nickel=/opt/rustwide/target/debug/deps/libtree_sitter_nickel-663918fd6d183a2a.rmeta --extern typed_arena=/opt/rustwide/target/debug/deps/libtyped_arena-76aa4bfb127f070d.rmeta --extern unicode_segmentation=/opt/rustwide/target/debug/deps/libunicode_segmentation-421de088ab714999.rmeta --cap-lints=warn -L native=/opt/rustwide/target/debug/build/onig_sys-b5438a974f8e9bad/out -L native=/opt/rustwide/target/debug/build/tree-sitter-46d977ed1f806073/out -L native=/opt/rustwide/target/debug/build/tree-sitter-nickel-690d354c1cdffcd7/out` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "69de843adfd53b06a83024f2e9465fc47adedf6062088fffdf09051e61633e00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69de843adfd53b06a83024f2e9465fc47adedf6062088fffdf09051e61633e00", kill_on_drop: false }`
[INFO] [stdout] 69de843adfd53b06a83024f2e9465fc47adedf6062088fffdf09051e61633e00