[INFO] fetching crate cobalt-bin 0.15.11...
[INFO] checking cobalt-bin-0.15.11 against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788
[INFO] extracting crate cobalt-bin 0.15.11 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate cobalt-bin 0.15.11 on toolchain 74e80468347471779be6060d8d7d6d04e98e467f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cobalt-bin 0.15.11
[INFO] finished tweaking crates.io crate cobalt-bin 0.15.11
[INFO] tweaked toml for crates.io crate cobalt-bin 0.15.11 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate cobalt-bin 0.15.11 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+74e80468347471779be6060d8d7d6d04e98e467f" "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] 3d2384b52aa97bd98a84065070ff4d730044062d7f6f9f19c68b8c49c76181b7
[INFO] running `"docker" "start" "-a" "3d2384b52aa97bd98a84065070ff4d730044062d7f6f9f19c68b8c49c76181b7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling liquid-error v0.19.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]    Compiling pulldown-cmark v0.6.1
[INFO] [stderr]    Compiling escargot v0.5.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking normalize-line-endings v0.2.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking chunked_transfer v0.3.1
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking deunicode v1.1.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking ascii v0.8.7
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking open v1.4.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling onig_sys v69.1.0
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking encoding_rs v0.8.22
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.8
[INFO] [stderr]     Checking bstr v0.2.11
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking inotify v0.7.0
[INFO] [stderr]     Checking backtrace v0.3.43
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]     Checking walkdir v0.1.8
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking ghp v0.1.2
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking float-cmp v0.6.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling sass-sys v0.4.17
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking quick-xml v0.17.2
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr] error: could not compile `syn`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.14/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 --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="quote"' --cfg 'feature="visit"' -C metadata=ecb8e873d104e9fd -C extra-filename=-ecb8e873d104e9fd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-58a6ffc9f82d27a6.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-56428ca7f8b93d1c.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-78174849e41719c0.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" "3d2384b52aa97bd98a84065070ff4d730044062d7f6f9f19c68b8c49c76181b7"`
[INFO] running `"docker" "rm" "-f" "3d2384b52aa97bd98a84065070ff4d730044062d7f6f9f19c68b8c49c76181b7"`
[INFO] [stdout] 3d2384b52aa97bd98a84065070ff4d730044062d7f6f9f19c68b8c49c76181b7