[INFO] crate yarws 0.3.0 is already in cache
[INFO] testing yarws-0.3.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate yarws 0.3.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate yarws 0.3.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate yarws 0.3.0
[INFO] finished tweaking crates.io crate yarws 0.3.0
[INFO] tweaked toml for crates.io crate yarws 0.3.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate yarws 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 150947af92db4a13bbae322f6511ae3c8e9857404ea07819835e27c515dd97b2
[INFO] running `"docker" "start" "-a" "150947af92db4a13bbae322f6511ae3c8e9857404ea07819835e27c515dd97b2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro-hack v0.5.14
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling arc-swap v0.4.5
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling slog-scope v4.3.0
[INFO] [stderr]    Compiling slog-term v2.5.0
[INFO] [stderr]    Compiling slog-async v2.5.0
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling slog-stdlog v4.0.0
[INFO] [stderr]    Compiling hex-literal-impl v0.2.1
[INFO] [stderr]    Compiling hex-literal v0.2.1
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling tokio v0.2.13
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling structopt v0.3.14
[INFO] [stderr]    Compiling tokio-tls v0.3.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling serde_json v1.0.52
[INFO] [stderr]    Compiling yarws v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `yarws`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name chat_server --edition=2018 src/bin/chat_server.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=c8a989343edc9420 -C extra-filename=-c8a989343edc9420 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-71b6bee6e83bef38.rlib --extern colored=/opt/rustwide/target/debug/deps/libcolored-3722d18469ce16b2.rlib --extern failure=/opt/rustwide/target/debug/deps/libfailure-a5e7c01b5080ab70.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-dd295f9cb3949b37.rlib --extern hex_literal=/opt/rustwide/target/debug/deps/libhex_literal-13ba90e190b8f9ab.rlib --extern inflate=/opt/rustwide/target/debug/deps/libinflate-acf2a0e9b3891205.rlib --extern miniz_oxide=/opt/rustwide/target/debug/deps/libminiz_oxide-905c74556db94ffd.rlib --extern native_tls=/opt/rustwide/target/debug/deps/libnative_tls-96cb572745426795.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-7d0bc12d8205ccca.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-ece30f41f64fd037.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-93ae6bbdbfa1d456.rlib --extern sha1=/opt/rustwide/target/debug/deps/libsha1-994fadb2b8ebb233.rlib --extern slog=/opt/rustwide/target/debug/deps/libslog-0f5f27876c3f0f27.rlib --extern slog_async=/opt/rustwide/target/debug/deps/libslog_async-5d9a6c7185aa7529.rlib --extern slog_stdlog=/opt/rustwide/target/debug/deps/libslog_stdlog-1f068b4c8667bca2.rlib --extern slog_term=/opt/rustwide/target/debug/deps/libslog_term-0be21fa56a34ac86.rlib --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-62547f86e7cc861f.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-91adfa24f05fb9c0.rlib --extern tokio_tls=/opt/rustwide/target/debug/deps/libtokio_tls-99b35488d24f474f.rlib --extern url=/opt/rustwide/target/debug/deps/liburl-6a87d4249e8f10d9.rlib --extern yarws=/opt/rustwide/target/debug/deps/libyarws-3734b675aeff708f.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/backtrace-sys-a5368775f40a9b7f/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "150947af92db4a13bbae322f6511ae3c8e9857404ea07819835e27c515dd97b2"`
[INFO] running `"docker" "rm" "-f" "150947af92db4a13bbae322f6511ae3c8e9857404ea07819835e27c515dd97b2"`
[INFO] [stdout] 150947af92db4a13bbae322f6511ae3c8e9857404ea07819835e27c515dd97b2