[INFO] cloning repository https://github.com/Canop/btree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Canop/btree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCanop%2Fbtree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCanop%2Fbtree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89762bbffb2991dda5287cefedc00e86a7d10921
[INFO] building Canop/btree against master#eb171a227f9e5de5d376b6edb56b174bc8235fb3 for pr-149937
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCanop%2Fbtree" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Canop/btree
[INFO] finished tweaking git repo https://github.com/Canop/btree
[INFO] tweaked toml for git repo https://github.com/Canop/btree written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Canop/btree on toolchain eb171a227f9e5de5d376b6edb56b174bc8235fb3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Canop/btree 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" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded is_executable v1.0.5
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a591e3a55a68091a668dd9f1b23741176031ccae39d6c0aa1caa31ba10ddc99
[INFO] running `Command { std: "docker" "start" "-a" "8a591e3a55a68091a668dd9f1b23741176031ccae39d6c0aa1caa31ba10ddc99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a591e3a55a68091a668dd9f1b23741176031ccae39d6c0aa1caa31ba10ddc99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a591e3a55a68091a668dd9f1b23741176031ccae39d6c0aa1caa31ba10ddc99", kill_on_drop: false }`
[INFO] [stdout] 8a591e3a55a68091a668dd9f1b23741176031ccae39d6c0aa1caa31ba10ddc99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8655f91f76760e1a65e31e7d038bd4556d78e0536ea6e9cf07f4dd8786b23b9d
[INFO] running `Command { std: "docker" "start" "-a" "8655f91f76760e1a65e31e7d038bd4556d78e0536ea6e9cf07f4dd8786b23b9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling convert_case v0.7.1
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.2
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling litrs v1.0.0
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling jxl-bitstream v0.2.3
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling scopeguard v1.2.0
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[INFO] [stderr]    Compiling clap_lex v0.7.6
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[INFO] [stderr]    Compiling document-features v0.2.12
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling writeable v0.6.2
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling cc v1.2.44
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling mio v1.1.0
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling icu_properties_data v2.1.1
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling signal-hook-mio v0.2.5
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling jxl-modular v0.3.0
[INFO] [stderr]    Compiling jxl-color v0.3.2
[INFO] [stderr]    Compiling clap_builder v4.5.51
[INFO] [stderr]    Compiling core_maths v0.1.1
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling built v0.7.7
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling libz-sys v1.1.22
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]    Compiling jxl-image v0.5.0
[INFO] [stderr]    Compiling strict-num v0.1.1
[INFO] [stderr]    Compiling jxl-vardct v0.3.0
[INFO] [stderr]    Compiling ttf-parser v0.25.1
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling rgb v0.8.52
[INFO] [stderr]    Compiling nom v8.0.0
[INFO] [stderr]    Compiling zune-inflate v0.2.54
[INFO] [stderr]    Compiling strict v0.2.0
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling arrayref v0.3.9
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling doc-comment v0.3.4
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling roxmltree v0.20.0
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling weezl v0.1.10
[INFO] [stderr]    Compiling jxl-frame v0.5.0
[INFO] [stderr]    Compiling deranged v0.5.5
[INFO] [stderr]    Compiling tiny-skia-path v0.11.4
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling fontconfig-parser v0.5.8
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling libgit2-sys v0.18.2+1.9.1
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling memmap2 v0.9.9
[INFO] [stderr]    Compiling phf_shared v0.13.1
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling kurbo v0.11.3
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/eb171a227f9e5de5d376b6edb56b174bc8235fb3/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.108/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 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=eb71ca84f12403c9 -C extra-filename=-12cafbf4c42ad6c1 --out-dir /opt/rustwide/target/debug/deps -C strip=debuginfo -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-e95ecd9b7a86d230.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e6660890fcd7bfd5.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-35dcc6e3b07e117f.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8655f91f76760e1a65e31e7d038bd4556d78e0536ea6e9cf07f4dd8786b23b9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8655f91f76760e1a65e31e7d038bd4556d78e0536ea6e9cf07f4dd8786b23b9d", kill_on_drop: false }`
[INFO] [stdout] 8655f91f76760e1a65e31e7d038bd4556d78e0536ea6e9cf07f4dd8786b23b9d