[INFO] crate rrss2imap 0.2.42 is already in cache
[INFO] checking rrss2imap-0.2.42 against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] extracting crate rrss2imap 0.2.42 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rrss2imap 0.2.42 on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rrss2imap 0.2.42
[INFO] finished tweaking crates.io crate rrss2imap 0.2.42
[INFO] tweaked toml for crates.io crate rrss2imap 0.2.42 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate rrss2imap 0.2.42 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2b65fa1ad6c1a2784e89e349dae825603bf2a22f6b60e8d44c4bf60a4cd3c616
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "2b65fa1ad6c1a2784e89e349dae825603bf2a22f6b60e8d44c4bf60a4cd3c616"`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]     Checking quoted_printable v0.4.1
[INFO] [stderr]     Checking unidecode v0.3.0
[INFO] [stderr]     Checking xhtmlchardet v2.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking getrandom v0.1.11
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking backtrace-sys v0.1.31
[INFO] [stderr]     Checking openssl-sys v0.9.49
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking imap-proto v0.7.0
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking backtrace v0.3.35
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking os_type v2.2.0
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling parse-zoneinfo v0.2.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking openssl v0.10.24
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking ignore v0.4.10
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking tree_magic v0.2.1
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.18
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking globwalk v0.7.1
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling chrono-tz v0.5.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking async-std v1.4.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]    Compiling selectors v0.21.0
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking hyperx v0.13.2
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling cssparser v0.25.9
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling html5ever v0.23.0
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking tokio v0.2.4
[INFO] [stderr] error: could not compile `darling_core`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name darling_core /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/darling_core-0.9.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="strsim"' --cfg 'feature="suggestions"' -C metadata=f3b2d9368595aba7 -C extra-filename=-f3b2d9368595aba7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern fnv=/opt/rustwide/target/debug/deps/libfnv-f8e87a5136ce03da.rmeta --extern ident_case=/opt/rustwide/target/debug/deps/libident_case-a584c1c737290c78.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-bc931ad735837863.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-7c7aa95f68deced8.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-230b49fe1ebd2f58.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-93d56702c1bafd27.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 `cssparser`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.9/build.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=8741d814cf5ca4b1 -C extra-filename=-8741d814cf5ca4b1 --out-dir /opt/rustwide/target/debug/build/cssparser-8741d814cf5ca4b1 -L dependency=/opt/rustwide/target/debug/deps --extern autocfg=/opt/rustwide/target/debug/deps/libautocfg-1f642369f9e0e0a3.rlib --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-60fbe866c3df2052.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-4e5b6efbfc69e6b0.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-eb18e47d353f4d14.rlib --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 `html5ever`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/html5ever-0.23.0/build.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=0019f93058df2732 -C extra-filename=-0019f93058df2732 --out-dir /opt/rustwide/target/debug/build/html5ever-0019f93058df2732 -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-bc931ad735837863.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-7c7aa95f68deced8.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-93d56702c1bafd27.rlib --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" "2b65fa1ad6c1a2784e89e349dae825603bf2a22f6b60e8d44c4bf60a4cd3c616"`
[INFO] running `"docker" "rm" "-f" "2b65fa1ad6c1a2784e89e349dae825603bf2a22f6b60e8d44c4bf60a4cd3c616"`
[INFO] [stdout] 2b65fa1ad6c1a2784e89e349dae825603bf2a22f6b60e8d44c4bf60a4cd3c616