[INFO] crate yarws 0.3.0 is already in cache
[INFO] testing yarws-0.3.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate yarws 0.3.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate yarws 0.3.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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-13/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" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2020-06-03" "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] 245790271f0db2a9283cf6aac0678519b66202d865fd066dc5bc6cef5c067897
[INFO] running `"docker" "start" "-a" "245790271f0db2a9283cf6aac0678519b66202d865fd066dc5bc6cef5c067897"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.14
[INFO] [stderr]    Compiling arc-swap v0.4.5
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling smallvec v1.3.0
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling base64 v0.12.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[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 atty v0.2.14
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling slog-scope v4.3.0
[INFO] [stderr]    Compiling slog-async v2.5.0
[INFO] [stderr]    Compiling hex-literal-impl v0.2.1
[INFO] [stderr]    Compiling slog-stdlog v4.0.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling slog-term v2.5.0
[INFO] [stderr]    Compiling hex-literal v0.2.1
[INFO] [stderr]    Compiling url v2.1.1
[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 tokio v0.2.13
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling structopt v0.3.14
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling futures v0.3.4
[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 -Cembed-bitcode=no -C debuginfo=2 -C metadata=2d82353d2426269c -C extra-filename=-2d82353d2426269c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-340ed093df94b2cc.rlib --extern colored=/opt/rustwide/target/debug/deps/libcolored-7ad74413926ea1d9.rlib --extern failure=/opt/rustwide/target/debug/deps/libfailure-35051b02c84ce20e.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-223c836eb262b251.rlib --extern hex_literal=/opt/rustwide/target/debug/deps/libhex_literal-7587cb7e5eb0bd05.rlib --extern inflate=/opt/rustwide/target/debug/deps/libinflate-c136b13ddac0b16a.rlib --extern miniz_oxide=/opt/rustwide/target/debug/deps/libminiz_oxide-6eca02b8afa79989.rlib --extern native_tls=/opt/rustwide/target/debug/deps/libnative_tls-4d4b298ab15364b4.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-cbd345e53664e780.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-8f8ce3f9e7ca4e1d.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-65c7c58d5b07078c.rlib --extern sha1=/opt/rustwide/target/debug/deps/libsha1-90396d8799a0835c.rlib --extern slog=/opt/rustwide/target/debug/deps/libslog-b5981b06ccbe0e14.rlib --extern slog_async=/opt/rustwide/target/debug/deps/libslog_async-f81dabb7637afdc8.rlib --extern slog_stdlog=/opt/rustwide/target/debug/deps/libslog_stdlog-2880c10fa2607c9e.rlib --extern slog_term=/opt/rustwide/target/debug/deps/libslog_term-2280c3931c5b9fe7.rlib --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-7222090c005c11d3.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-ddc31ff486541b3c.rlib --extern tokio_tls=/opt/rustwide/target/debug/deps/libtokio_tls-a0ae6b2b7f42db5c.rlib --extern url=/opt/rustwide/target/debug/deps/liburl-7963c3421afc26d5.rlib --extern yarws=/opt/rustwide/target/debug/deps/libyarws-b2232af194b9bc84.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/backtrace-sys-a6883f7591dba0e5/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" "245790271f0db2a9283cf6aac0678519b66202d865fd066dc5bc6cef5c067897"`
[INFO] running `"docker" "rm" "-f" "245790271f0db2a9283cf6aac0678519b66202d865fd066dc5bc6cef5c067897"`
[INFO] [stdout] 245790271f0db2a9283cf6aac0678519b66202d865fd066dc5bc6cef5c067897