[INFO] fetching crate lspower 0.2.0...
[INFO] testing lspower-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate lspower 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate lspower 0.2.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lspower 0.2.0
[INFO] finished tweaking crates.io crate lspower 0.2.0
[INFO] tweaked toml for crates.io crate lspower 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate lspower 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lspower-macros v0.1.0
[INFO] [stderr]   Downloaded lsp-types v0.86.0
[INFO] [stderr]   Downloaded tokio-test v0.2.1
[INFO] [stderr]   Downloaded tower-test v0.3.0
[INFO] [stderr]   Downloaded dashmap v4.0.1
[INFO] [stderr]   Downloaded auto_impl v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bebaeb01436652fbe119720eca301a046b52e696ce1d39b52dfe7c8f9a178ab
[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" "0bebaeb01436652fbe119720eca301a046b52e696ce1d39b52dfe7c8f9a178ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bebaeb01436652fbe119720eca301a046b52e696ce1d39b52dfe7c8f9a178ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bebaeb01436652fbe119720eca301a046b52e696ce1d39b52dfe7c8f9a178ab", kill_on_drop: false }`
[INFO] [stdout] 0bebaeb01436652fbe119720eca301a046b52e696ce1d39b52dfe7c8f9a178ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2057655baa402854c1276f85cae4cbc69c5303de108f76928ac81a97808aa373
[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" "2057655baa402854c1276f85cae4cbc69c5303de108f76928ac81a97808aa373", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling tap v1.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling dashmap v4.0.1
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling bitvec v0.19.4
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]    Compiling lspower-macros v0.1.0
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling auto_impl v0.4.1
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling lsp-types v0.86.0
[INFO] [stderr]    Compiling lspower v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 41s
[INFO] running `Command { std: "docker" "inspect" "2057655baa402854c1276f85cae4cbc69c5303de108f76928ac81a97808aa373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2057655baa402854c1276f85cae4cbc69c5303de108f76928ac81a97808aa373", kill_on_drop: false }`
[INFO] [stdout] 2057655baa402854c1276f85cae4cbc69c5303de108f76928ac81a97808aa373
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7d3f2ad61bd69f2426e8bcab6dd6212ba7e6a0207574c476cc013f9f03b96b17
[INFO] running `Command { std: "docker" "start" "-a" "7d3f2ad61bd69f2426e8bcab6dd6212ba7e6a0207574c476cc013f9f03b96b17", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling humantime v2.0.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling tokio-test v0.2.1
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling tower-test v0.3.0
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling lspower v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `lspower`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name custom_notification --edition=2018 examples/custom_notification.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="proposed"' -C metadata=a98239abcdd2f5a7 -C extra-filename=-a98239abcdd2f5a7 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-2f32bd08b936bee4.so --extern auto_impl=/opt/rustwide/target/debug/deps/libauto_impl-8bf35f7f558f62d6.so --extern bytes=/opt/rustwide/target/debug/deps/libbytes-ae8e0e99d586d290.rlib --extern dashmap=/opt/rustwide/target/debug/deps/libdashmap-1db44580ff3d98ba.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-b546c7cbf4ef312b.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-72c3e14279935886.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-93afe3d9087c158b.rlib --extern lsp_types=/opt/rustwide/target/debug/deps/liblsp_types-b9fe20a6a87e3176.rlib --extern lspower=/opt/rustwide/target/debug/deps/liblspower-8ce9b62a90ea96f2.rlib --extern lspower_macros=/opt/rustwide/target/debug/deps/liblspower_macros-12acdc40cc571afd.so --extern nom=/opt/rustwide/target/debug/deps/libnom-dc1a7d095fe9ec96.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-aef0b1a417baad5f.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-3476cc86f8d72fc6.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-f7a39232a90f7c71.rlib --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-143f66b28f3ee4b5.rlib --extern tower_service=/opt/rustwide/target/debug/deps/libtower_service-b46ab647ec6da3c5.rlib --extern tower_test=/opt/rustwide/target/debug/deps/libtower_test-2312b95ec4e4a656.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" "7d3f2ad61bd69f2426e8bcab6dd6212ba7e6a0207574c476cc013f9f03b96b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d3f2ad61bd69f2426e8bcab6dd6212ba7e6a0207574c476cc013f9f03b96b17", kill_on_drop: false }`
[INFO] [stdout] 7d3f2ad61bd69f2426e8bcab6dd6212ba7e6a0207574c476cc013f9f03b96b17