[INFO] cloning repository https://github.com/cobalt-org/cobalt.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cobalt-org/cobalt.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcobalt-org%2Fcobalt.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcobalt-org%2Fcobalt.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc311460a24550fe3ebc15234cb677555e594059
[INFO] checking cobalt-org/cobalt.rs against 416264364aa47959f5827723e1d7dabc95d0744b for pr-162242
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcobalt-org%2Fcobalt.rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/cobalt-org/cobalt.rs
[INFO] finished tweaking git repo https://github.com/cobalt-org/cobalt.rs
[INFO] tweaked toml for git repo https://github.com/cobalt-org/cobalt.rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cobalt-org/cobalt.rs on toolchain 416264364aa47959f5827723e1d7dabc95d0744b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+416264364aa47959f5827723e1d7dabc95d0744b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cobalt-org/cobalt.rs 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" "+416264364aa47959f5827723e1d7dabc95d0744b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]    --> Cargo.toml:116:1
[INFO] [stderr]     |
[INFO] [stderr] 116 | readme = "README.md"
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `cobalt-bin` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 017872cab55778584e55e8d3400334a3b5059efdb6b1fbb95d6e25ffc83cea20
[INFO] running `Command { std: "docker" "start" "017872cab55778584e55e8d3400334a3b5059efdb6b1fbb95d6e25ffc83cea20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "017872cab55778584e55e8d3400334a3b5059efdb6b1fbb95d6e25ffc83cea20", 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" "017872cab55778584e55e8d3400334a3b5059efdb6b1fbb95d6e25ffc83cea20" "/opt/rustwide/cargo-home/bin/cargo" "+416264364aa47959f5827723e1d7dabc95d0744b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "017872cab55778584e55e8d3400334a3b5059efdb6b1fbb95d6e25ffc83cea20", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "017872cab55778584e55e8d3400334a3b5059efdb6b1fbb95d6e25ffc83cea20" "/opt/rustwide/cargo-home/bin/cargo" "+416264364aa47959f5827723e1d7dabc95d0744b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]    --> Cargo.toml:116:1
[INFO] [stderr]     |
[INFO] [stderr] 116 | readme = "README.md"
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `cobalt-bin` (manifest) generated 1 warning
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking colorchoice v1.0.4
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking anstyle v1.0.13
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]     Checking anstream v0.6.21
[INFO] [stderr]     Checking either v1.14.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking litemap v0.7.5
[INFO] [stderr]     Checking writeable v0.5.5
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]     Checking ryu v1.0.19
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking deranged v0.4.1
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking indexmap v2.13.0
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking miniz_oxide v0.8.8
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]     Checking anymap2 v0.13.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking icu_locid_transform_data v1.5.0
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking icu_properties_data v1.5.0
[INFO] [stderr]     Checking deunicode v1.6.2
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking smallvec v1.14.0
[INFO] [stderr]    Compiling pulldown-cmark v0.13.0
[INFO] [stderr]     Checking icu_normalizer_data v1.5.0
[INFO] [stderr]     Checking toml_writer v1.0.6+spec-1.1.0
[INFO] [stderr]     Checking utf16_iter v1.0.5
[INFO] [stderr]     Checking unsafe-libyaml v0.2.11
[INFO] [stderr]     Checking write16 v1.0.0
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]     Checking status v0.0.10
[INFO] [stderr]     Checking itertools v0.15.0
[INFO] [stderr]     Checking bstr v1.11.3
[INFO] [stderr]     Checking object v0.36.7
[INFO] [stderr] error: could not compile `serde_core` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/416264364aa47959f5827723e1d7dabc95d0744b/bin/rustc --crate-name serde_core --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="default"' --cfg 'feature="result"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "default", "rc", "result", "std", "unstable"))' -C metadata=13ffaf9328f0fbd5 -C extra-filename=-4eaec148b7690d44 --out-dir /opt/rustwide/target/debug/build/serde_core/4eaec148b7690d44/out --cap-lints allow --cap-lints=forbid --force-warn=unused_crate_dependencies --check-cfg 'cfg(if_docsrs_then_no_serde_core)' --check-cfg 'cfg(no_core_cstr)' --check-cfg 'cfg(no_core_error)' --check-cfg 'cfg(no_core_net)' --check-cfg 'cfg(no_core_num_saturating)' --check-cfg 'cfg(no_diagnostic_namespace)' --check-cfg 'cfg(no_serde_derive)' --check-cfg 'cfg(no_std_atomic)' --check-cfg 'cfg(no_std_atomic64)' --check-cfg 'cfg(no_target_has_atomic)'` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "017872cab55778584e55e8d3400334a3b5059efdb6b1fbb95d6e25ffc83cea20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "017872cab55778584e55e8d3400334a3b5059efdb6b1fbb95d6e25ffc83cea20", kill_on_drop: false }`
[INFO] [stdout] 017872cab55778584e55e8d3400334a3b5059efdb6b1fbb95d6e25ffc83cea20
