[INFO] updating cached repository https://github.com/ianic/yarws
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a30d5b5f8d8f367f3fd92d7aa03a2a8fa957c9e6
[INFO] testing ianic/yarws against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianic%2Fyarws" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ianic/yarws on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ianic/yarws
[INFO] finished tweaking git repo https://github.com/ianic/yarws
[INFO] tweaked toml for git repo https://github.com/ianic/yarws written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ianic/yarws already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0745b5d05803334ee0c30909e83e127a0fd6d9e8f1b34235e595fad5af94081f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0745b5d05803334ee0c30909e83e127a0fd6d9e8f1b34235e595fad5af94081f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0745b5d05803334ee0c30909e83e127a0fd6d9e8f1b34235e595fad5af94081f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0745b5d05803334ee0c30909e83e127a0fd6d9e8f1b34235e595fad5af94081f", kill_on_drop: false }`
[INFO] [stdout] 0745b5d05803334ee0c30909e83e127a0fd6d9e8f1b34235e595fad5af94081f
[INFO] running `Command { std: "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=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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1fa102ac64cdde25e46b7b529292ec1f551aee746a5bef51118253f6696cd6f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c1fa102ac64cdde25e46b7b529292ec1f551aee746a5bef51118253f6696cd6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling crossbeam-channel v0.4.3
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling hex-literal v0.2.1
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling slog-scope v4.3.0
[INFO] [stderr]    Compiling slog-term v2.6.0
[INFO] [stderr]    Compiling slog-async v2.5.0
[INFO] [stderr]    Compiling slog-stdlog v4.0.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling structopt v0.3.16
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling yarws v0.3.1 (/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=ad493cbc93fdacce -C extra-filename=-ad493cbc93fdacce --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-f30e53356525a43a.rlib --extern colored=/opt/rustwide/target/debug/deps/libcolored-9c6b9fdec69445ea.rlib --extern failure=/opt/rustwide/target/debug/deps/libfailure-61692011d5da34c3.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-8ff8e607fe580ca6.rlib --extern hex_literal=/opt/rustwide/target/debug/deps/libhex_literal-c097b4019093af77.rlib --extern inflate=/opt/rustwide/target/debug/deps/libinflate-71a832fa287018fb.rlib --extern miniz_oxide=/opt/rustwide/target/debug/deps/libminiz_oxide-0a014852c9909444.rlib --extern native_tls=/opt/rustwide/target/debug/deps/libnative_tls-4392dfcb97823822.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-4cf512b29e26b073.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-99568298b41904df.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-0b1696e463620324.rlib --extern sha1=/opt/rustwide/target/debug/deps/libsha1-cf5f72813136e08b.rlib --extern slog=/opt/rustwide/target/debug/deps/libslog-cdd54f35c03124aa.rlib --extern slog_async=/opt/rustwide/target/debug/deps/libslog_async-229215ad6b295eae.rlib --extern slog_stdlog=/opt/rustwide/target/debug/deps/libslog_stdlog-7300556e8d05aa29.rlib --extern slog_term=/opt/rustwide/target/debug/deps/libslog_term-738fc184f6d56a2b.rlib --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-f56e0e82bf65358c.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-872488b57691a9ae.rlib --extern tokio_tls=/opt/rustwide/target/debug/deps/libtokio_tls-e6c34e42deaa8186.rlib --extern url=/opt/rustwide/target/debug/deps/liburl-7854435f19ecb222.rlib --extern yarws=/opt/rustwide/target/debug/deps/libyarws-e4c0cdf5ee3abfa5.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c1fa102ac64cdde25e46b7b529292ec1f551aee746a5bef51118253f6696cd6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1fa102ac64cdde25e46b7b529292ec1f551aee746a5bef51118253f6696cd6f", kill_on_drop: false }`
[INFO] [stdout] c1fa102ac64cdde25e46b7b529292ec1f551aee746a5bef51118253f6696cd6f