[INFO] crate cobalt-bin 0.15.11 is already in cache
[INFO] checking cobalt-bin-0.15.11 against master#6d69caba110c0c2fb90180df1cbc8be5033b91d4 for pr-69530
[INFO] extracting crate cobalt-bin 0.15.11 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cobalt-bin 0.15.11 on toolchain 6d69caba110c0c2fb90180df1cbc8be5033b91d4
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "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-2/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" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "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] 180e5685ea27d0ee712dfff63e93a53e49c147213e91fcb02c4b232ced915082
[INFO] running `"docker" "start" "-a" "180e5685ea27d0ee712dfff63e93a53e49c147213e91fcb02c4b232ced915082"`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling liquid-error v0.19.0
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]    Compiling escargot v0.5.0
[INFO] [stderr]     Checking deunicode v1.1.0
[INFO] [stderr]     Checking normalize-line-endings v0.2.2
[INFO] [stderr]     Checking open v1.4.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling onig_sys v69.1.0
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking bstr v0.2.11
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking quick-xml v0.17.2
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking inotify v0.7.0
[INFO] [stderr]     Checking float-cmp v0.6.0
[INFO] [stderr]    Compiling sass-sys v0.4.17
[INFO] [stderr]     Checking pulldown-cmark v0.6.1
[INFO] [stderr]     Checking walkdir v0.1.8
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking ghp v0.1.2
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking backtrace v0.3.43
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking tempfile v3.1.0
[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 -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=9767db95da851973 -C extra-filename=-9767db95da851973 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-40cb64056d46811b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-d60b034464c60f2b.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-c4ee25233e00c6b3.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: could not compile `pest_meta`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name pest_meta /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pest_meta-2.1.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=f0da0dcf2e7a8f21 -C extra-filename=-f0da0dcf2e7a8f21 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-ce2a98b1dc134aca.rmeta --extern pest=/opt/rustwide/target/debug/deps/libpest-903259ccc8d3fe79.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" "180e5685ea27d0ee712dfff63e93a53e49c147213e91fcb02c4b232ced915082"`
[INFO] running `"docker" "rm" "-f" "180e5685ea27d0ee712dfff63e93a53e49c147213e91fcb02c4b232ced915082"`
[INFO] [stdout] 180e5685ea27d0ee712dfff63e93a53e49c147213e91fcb02c4b232ced915082