[INFO] crate pwasm-utils 0.12.0 is already in cache
[INFO] checking pwasm-utils-0.12.0 against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] extracting crate pwasm-utils 0.12.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate pwasm-utils 0.12.0 on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pwasm-utils 0.12.0
[INFO] finished tweaking crates.io crate pwasm-utils 0.12.0
[INFO] tweaked toml for crates.io crate pwasm-utils 0.12.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate pwasm-utils 0.12.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6c8f06eaf9a87cbae5774988585c3062b3af9d865f199b168d35c44bdcb58a8f
[INFO] running `"docker" "start" "-a" "6c8f06eaf9a87cbae5774988585c3062b3af9d865f199b168d35c44bdcb58a8f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]    Compiling unindent v0.1.3
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking diff v0.1.11
[INFO] [stderr]    Compiling syntex_pos v0.58.1
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling cmake v0.1.38
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling clang-sys v0.19.0
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling wabt-sys v0.1.4
[INFO] [stderr]    Compiling syntex_errors v0.58.1
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]     Checking getrandom v0.1.7
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking pwasm-utils v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling syntex_syntax v0.58.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr] error[E0423]: expected function, tuple struct or tuple variant, found struct `ast::Name`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.58.1/src/symbol.rs:146:27
[INFO] [stderr]     |
[INFO] [stderr] 146 |                       name: ast::Name($index),
[INFO] [stderr]     |                             ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 165 | / declare_keywords! {
[INFO] [stderr] 166 | |     // Invalid identifier
[INFO] [stderr] 167 | |     (0,  Invalid,        "")
[INFO] [stderr] 168 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 231 | |     (56, CrateRoot, "{{root}}")
[INFO] [stderr] 232 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> src/optimizer.rs:32:2
[INFO] [stderr]    |
[INFO] [stderr] 32 |     mem::replace(module, module_temp);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/optimizer.rs:312:7
[INFO] [stderr]     |
[INFO] [stderr] 312 |                         mem::replace(func_name.names_mut(), updated_map);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/optimizer.rs:325:7
[INFO] [stderr]     |
[INFO] [stderr] 325 |                         mem::replace(local_name.local_names_mut(), updated_map);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr] error: could not compile `regex-syntax`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.6/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 -C metadata=6ba14c97f5dd869e -C extra-filename=-6ba14c97f5dd869e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-d53d87dc51df252e.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "6c8f06eaf9a87cbae5774988585c3062b3af9d865f199b168d35c44bdcb58a8f"`
[INFO] running `"docker" "rm" "-f" "6c8f06eaf9a87cbae5774988585c3062b3af9d865f199b168d35c44bdcb58a8f"`
[INFO] [stdout] 6c8f06eaf9a87cbae5774988585c3062b3af9d865f199b168d35c44bdcb58a8f