[INFO] crate yarws 0.3.0 is already in cache
[INFO] testing yarws-0.3.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate yarws 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate yarws 0.3.0 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 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-6/source/Cargo.toml
[INFO] crate crates.io crate yarws 0.3.0 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] dde555171918e1b62c474d6b491eed365a891b39ddcb690ef394f289aad7fa0c
[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" "dde555171918e1b62c474d6b491eed365a891b39ddcb690ef394f289aad7fa0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dde555171918e1b62c474d6b491eed365a891b39ddcb690ef394f289aad7fa0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dde555171918e1b62c474d6b491eed365a891b39ddcb690ef394f289aad7fa0c", kill_on_drop: false }`
[INFO] [stdout] dde555171918e1b62c474d6b491eed365a891b39ddcb690ef394f289aad7fa0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 7c34a88f058e1c1365791fb4eb337608d4c04d933d7118831ecb16f414ab4082
[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" "7c34a88f058e1c1365791fb4eb337608d4c04d933d7118831ecb16f414ab4082", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling hex-literal-impl v0.2.1
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling hex-literal v0.2.1
[INFO] [stderr]    Compiling slog-scope v4.3.0
[INFO] [stderr]    Compiling slog-async v2.5.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling slog-stdlog v4.0.0
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling slog-term v2.5.0
[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 proc-macro-error-attr v1.0.2
[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 proc-macro-error v1.0.2
[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=d36e6ecc5055c105 -C extra-filename=-d36e6ecc5055c105 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-e57d7beff71c72af.rlib --extern colored=/opt/rustwide/target/debug/deps/libcolored-5b046d1807012c4d.rlib --extern failure=/opt/rustwide/target/debug/deps/libfailure-cb21d937fa4b5d1c.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-e852e8777979aba7.rlib --extern hex_literal=/opt/rustwide/target/debug/deps/libhex_literal-344efe14b3d898f8.rlib --extern inflate=/opt/rustwide/target/debug/deps/libinflate-8e7098ef8e469113.rlib --extern miniz_oxide=/opt/rustwide/target/debug/deps/libminiz_oxide-5549534d486152bb.rlib --extern native_tls=/opt/rustwide/target/debug/deps/libnative_tls-2f740c6d0e824721.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-6d482456543448e9.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-224899c537224579.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-1f9bad7796bd7860.rlib --extern sha1=/opt/rustwide/target/debug/deps/libsha1-8e60d5b8adf6e377.rlib --extern slog=/opt/rustwide/target/debug/deps/libslog-cdd54f35c03124aa.rlib --extern slog_async=/opt/rustwide/target/debug/deps/libslog_async-ccd67665d39cdd2e.rlib --extern slog_stdlog=/opt/rustwide/target/debug/deps/libslog_stdlog-f3ebee75166f5e3c.rlib --extern slog_term=/opt/rustwide/target/debug/deps/libslog_term-4705a15405d2119e.rlib --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-4a8c01fe40e1cfc0.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-d0f039dd1618281d.rlib --extern tokio_tls=/opt/rustwide/target/debug/deps/libtokio_tls-3f2a7f28922239ac.rlib --extern url=/opt/rustwide/target/debug/deps/liburl-a2f046d76b4c1349.rlib --extern yarws=/opt/rustwide/target/debug/deps/libyarws-826387c76bfcc333.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/backtrace-sys-dced74f3458f3034/out` (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" "7c34a88f058e1c1365791fb4eb337608d4c04d933d7118831ecb16f414ab4082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c34a88f058e1c1365791fb4eb337608d4c04d933d7118831ecb16f414ab4082", kill_on_drop: false }`
[INFO] [stdout] 7c34a88f058e1c1365791fb4eb337608d4c04d933d7118831ecb16f414ab4082