[INFO] fetching crate rsvart 0.1.5...
[INFO] checking rsvart-0.1.5 against try#b4c55082edd8dec08ce8af276d7054d9c4db20c4 for pr-147984
[INFO] extracting crate rsvart 0.1.5 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate rsvart 0.1.5
[INFO] finished tweaking crates.io crate rsvart 0.1.5
[INFO] tweaked toml for crates.io crate rsvart 0.1.5 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rsvart 0.1.5 on toolchain b4c55082edd8dec08ce8af276d7054d9c4db20c4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rsvart 0.1.5 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" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fafd328372cf15f7fa931cb0d948b79dedd2c27bd601a85bc04c3ea172fd72d3
[INFO] running `Command { std: "docker" "start" "-a" "fafd328372cf15f7fa931cb0d948b79dedd2c27bd601a85bc04c3ea172fd72d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fafd328372cf15f7fa931cb0d948b79dedd2c27bd601a85bc04c3ea172fd72d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fafd328372cf15f7fa931cb0d948b79dedd2c27bd601a85bc04c3ea172fd72d3", kill_on_drop: false }`
[INFO] [stdout] fafd328372cf15f7fa931cb0d948b79dedd2c27bd601a85bc04c3ea172fd72d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 339985032c56d60402ac1b613de2664e6873283e4af37db530f39efcaa6096aa
[INFO] running `Command { std: "docker" "start" "-a" "339985032c56d60402ac1b613de2664e6873283e4af37db530f39efcaa6096aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking bitflags v2.8.0
[INFO] [stderr]     Checking bytes v1.9.0
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]     Checking log v0.4.25
[INFO] [stderr]    Compiling syn v2.0.97
[INFO] [stderr]    Compiling openssl v0.10.69
[INFO] [stderr]    Compiling native-tls v0.2.13
[INFO] [stderr]    Compiling httparse v1.10.0
[INFO] [stderr]     Checking miniz_oxide v0.8.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling serde_json v1.0.138
[INFO] [stderr]     Checking chrono v0.4.39
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]     Checking unicode-ident v1.0.16
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling camino v1.1.9
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking gzip-header v1.0.0
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking flate2 v1.0.35
[INFO] [stderr]    Compiling llvm_profparser v0.3.3
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking winnow v0.7.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling procfs v0.16.0
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]     Checking clap_builder v4.5.27
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]     Checking quote v1.0.38
[INFO] [stderr]    Compiling rstest_macros v0.18.2
[INFO] [stderr]    Compiling cargo-tarpaulin v0.27.3
[INFO] [stderr]     Checking procfs-core v0.16.0
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking fallible-iterator v0.3.0
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking quick-xml v0.31.0
[INFO] [stderr]     Checking rsvart v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cc v1.2.11
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stdout] warning: function `get_contigs` is never used
[INFO] [stdout]  --> src/experimental/test_data.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn get_contigs() -> Vec<Contig<u32>> {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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/b4c55082edd8dec08ce8af276d7054d9c4db20c4/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.97/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"' --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=eb3654a4f4db6fe1 -C extra-filename=-83d1de0b0961ae8c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-ba1164ef8c5072f6.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-45812ef4b8688a30.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-a3690edd3a41f0e2.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" "339985032c56d60402ac1b613de2664e6873283e4af37db530f39efcaa6096aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "339985032c56d60402ac1b613de2664e6873283e4af37db530f39efcaa6096aa", kill_on_drop: false }`
[INFO] [stdout] 339985032c56d60402ac1b613de2664e6873283e4af37db530f39efcaa6096aa