[INFO] fetching crate nanokit 0.2.1...
[INFO] testing nanokit-0.2.1 against master#d933cf483edf1605142ac6899ff32536c0ad8b22 for pr-150933
[INFO] extracting crate nanokit 0.2.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate nanokit 0.2.1
[INFO] finished tweaking crates.io crate nanokit 0.2.1
[INFO] tweaked toml for crates.io crate nanokit 0.2.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nanokit 0.2.1 on toolchain d933cf483edf1605142ac6899ff32536c0ad8b22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nanokit 0.2.1 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" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded str_stack v0.1.0
[INFO] [stderr]   Downloaded pprof v0.15.0
[INFO] [stderr]   Downloaded findshlibs v0.10.2
[INFO] [stderr]   Downloaded cpp_demangle v0.4.4
[INFO] [stderr]   Downloaded clap v4.5.40
[INFO] [stderr]   Downloaded num-format v0.4.4
[INFO] [stderr]   Downloaded symbolic-common v12.15.5
[INFO] [stderr]   Downloaded quick-xml v0.26.0
[INFO] [stderr]   Downloaded criterion v0.6.0
[INFO] [stderr]   Downloaded winnow v0.7.11
[INFO] [stderr]   Downloaded inferno v0.11.21
[INFO] [stderr]   Downloaded clap_builder v4.5.40
[INFO] [stderr]   Downloaded symbolic-demangle v12.15.5
[INFO] [stderr]   Downloaded is-terminal v0.4.16
[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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2e8f4da9edfa56c1472b11f5bba5531d942a516c8096aad5c661e4126d62e1d
[INFO] running `Command { std: "docker" "start" "-a" "d2e8f4da9edfa56c1472b11f5bba5531d942a516c8096aad5c661e4126d62e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2e8f4da9edfa56c1472b11f5bba5531d942a516c8096aad5c661e4126d62e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2e8f4da9edfa56c1472b11f5bba5531d942a516c8096aad5c661e4126d62e1d", kill_on_drop: false }`
[INFO] [stdout] d2e8f4da9edfa56c1472b11f5bba5531d942a516c8096aad5c661e4126d62e1d
[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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2e78938c624b59d0fdb9c701975556663c0de947a47134d003abff35a57f291
[INFO] running `Command { std: "docker" "start" "-a" "f2e78938c624b59d0fdb9c701975556663c0de947a47134d003abff35a57f291", kill_on_drop: false }`
[INFO] [stderr]    Compiling nanokit v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "f2e78938c624b59d0fdb9c701975556663c0de947a47134d003abff35a57f291", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2e78938c624b59d0fdb9c701975556663c0de947a47134d003abff35a57f291", kill_on_drop: false }`
[INFO] [stdout] f2e78938c624b59d0fdb9c701975556663c0de947a47134d003abff35a57f291
[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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38f70da4bd954541d8685529bbe0f3d46fa968bb99a14783796b6c7a00168714
[INFO] running `Command { std: "docker" "start" "-a" "38f70da4bd954541d8685529bbe0f3d46fa968bb99a14783796b6c7a00168714", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling uuid v1.17.0
[INFO] [stderr]    Compiling cpp_demangle v0.4.4
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling clap_builder v4.5.40
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling winnow v0.7.11
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling debugid v0.8.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling symbolic-demangle v12.15.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.25
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling bytemuck v1.23.1
[INFO] [stderr]    Compiling rstest_macros v0.25.0
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling rgb v0.8.50
[INFO] [stderr]    Compiling symbolic-common v12.15.5
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling num-format v0.4.4
[INFO] [stderr]    Compiling quick-xml v0.26.0
[INFO] [stderr]    Compiling pprof v0.15.0
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]    Compiling findshlibs v0.10.2
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling str_stack v0.1.0
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling spin v0.10.0
[INFO] [stderr]    Compiling clap v4.5.40
[INFO] [stderr]    Compiling inferno v0.11.21
[INFO] [stderr]    Compiling futures-timer v3.0.3
[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/d933cf483edf1605142ac6899ff32536c0ad8b22/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.104/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --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=aa02e072e4fdc47d -C extra-filename=-ce2817c4002079ca --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d8665169c487d19b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-60c6fa93c90874f2.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3925cc8f83e9ac1.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" "38f70da4bd954541d8685529bbe0f3d46fa968bb99a14783796b6c7a00168714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38f70da4bd954541d8685529bbe0f3d46fa968bb99a14783796b6c7a00168714", kill_on_drop: false }`
[INFO] [stdout] 38f70da4bd954541d8685529bbe0f3d46fa968bb99a14783796b6c7a00168714