[INFO] cloning repository https://github.com/Feng-758/huub
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Feng-758/huub" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFeng-758%2Fhuub", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFeng-758%2Fhuub'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b96d185137484506914d8472fe83434dea484bf3
[INFO] testing Feng-758/huub against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFeng-758%2Fhuub" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Feng-758/huub
[INFO] finished tweaking git repo https://github.com/Feng-758/huub
[INFO] tweaked toml for git repo https://github.com/Feng-758/huub written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Feng-758/huub on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Feng-758/huub 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused workspace dependency `index_vec`
[INFO] [stderr]   --> Cargo.toml:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | index_vec = "0.1.3"
[INFO] [stderr]    | ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_workspace_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the workspace dependency `index_vec`
[INFO] [stderr] warning: workspace (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7e0eb010334b839949f840e0c050cd17dfdcbefd2fc2ada2458e3c455978e562
[INFO] running `Command { std: "docker" "start" "7e0eb010334b839949f840e0c050cd17dfdcbefd2fc2ada2458e3c455978e562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e0eb010334b839949f840e0c050cd17dfdcbefd2fc2ada2458e3c455978e562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7e0eb010334b839949f840e0c050cd17dfdcbefd2fc2ada2458e3c455978e562" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e0eb010334b839949f840e0c050cd17dfdcbefd2fc2ada2458e3c455978e562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7e0eb010334b839949f840e0c050cd17dfdcbefd2fc2ada2458e3c455978e562" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unused workspace dependency `index_vec`
[INFO] [stderr]   --> Cargo.toml:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | index_vec = "0.1.3"
[INFO] [stderr]    | ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_workspace_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the workspace dependency `index_vec`
[INFO] [stderr] warning: workspace (manifest) generated 1 warning
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling libc v0.2.179
[INFO] [stderr]    Compiling find-msvc-tools v0.1.6
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling zmij v1.0.12
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling rangelist v0.3.2
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling rangelist v0.4.0
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling dyn-clone v1.0.20
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling humantime v2.3.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling tracing-subscriber v0.3.22
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling cc v1.2.51
[INFO] [stderr]    Compiling pindakaas-cadical v0.2.1
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.44
[INFO] [stderr]    Compiling ctrlc v3.5.1
[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/1.100.0-beta.1-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.114/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debug-assertions=off --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=266f2f845b219137 -C extra-filename=-8e127e3bccb016ef --out-dir /opt/rustwide/target/release/build/syn/8e127e3bccb016ef/out -C strip=symbols -L dependency=/opt/rustwide/target/release/build/proc-macro2/ed51f1ec309c93e0/out -L dependency=/opt/rustwide/target/release/build/unicode-ident/f4a4b829b520b383/out --extern proc_macro2=/opt/rustwide/target/release/build/proc-macro2/ed51f1ec309c93e0/out/libproc_macro2-ed51f1ec309c93e0.rmeta --extern quote=/opt/rustwide/target/release/build/quote/dea8e4b9a94d3293/out/libquote-dea8e4b9a94d3293.rmeta --extern unicode_ident=/opt/rustwide/target/release/build/unicode-ident/f4a4b829b520b383/out/libunicode_ident-f4a4b829b520b383.rmeta --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7e0eb010334b839949f840e0c050cd17dfdcbefd2fc2ada2458e3c455978e562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e0eb010334b839949f840e0c050cd17dfdcbefd2fc2ada2458e3c455978e562", kill_on_drop: false }`
[INFO] [stdout] 7e0eb010334b839949f840e0c050cd17dfdcbefd2fc2ada2458e3c455978e562
