[INFO] fetching crate lspower 0.2.0...
[INFO] testing lspower-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate lspower 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate lspower 0.2.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-1/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab7b6b94be419730603901291ac8b52f3fa1cfea254a112f21914d18599f64ac
[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" "ab7b6b94be419730603901291ac8b52f3fa1cfea254a112f21914d18599f64ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab7b6b94be419730603901291ac8b52f3fa1cfea254a112f21914d18599f64ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab7b6b94be419730603901291ac8b52f3fa1cfea254a112f21914d18599f64ac", kill_on_drop: false }`
[INFO] [stdout] ab7b6b94be419730603901291ac8b52f3fa1cfea254a112f21914d18599f64ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "build" "--frozen" "--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] 850300adb576d294adea9a9e981b70095c0b04c2c525f7ff6a0787b9027aee84
[INFO] running `Command { std: "docker" "start" "-a" "850300adb576d294adea9a9e981b70095c0b04c2c525f7ff6a0787b9027aee84", 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 unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling tap v1.0.0
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling dashmap v4.0.1
[INFO] [stderr]    Compiling mio v0.6.23
[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 proc-macro-error v1.0.4
[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 auto_impl v0.4.1
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling lspower-macros v0.1.0
[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 serde v1.0.118
[INFO] [stderr]    Compiling tokio-util v0.3.1
[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 48s
[INFO] running `Command { std: "docker" "inspect" "850300adb576d294adea9a9e981b70095c0b04c2c525f7ff6a0787b9027aee84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "850300adb576d294adea9a9e981b70095c0b04c2c525f7ff6a0787b9027aee84", kill_on_drop: false }`
[INFO] [stdout] 850300adb576d294adea9a9e981b70095c0b04c2c525f7ff6a0787b9027aee84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "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] 81452274a541e41f7d2e989dad9db3a8c6076e2c848a53f1a1964294a6dbba07
[INFO] running `Command { std: "docker" "start" "-a" "81452274a541e41f7d2e989dad9db3a8c6076e2c848a53f1a1964294a6dbba07", kill_on_drop: false }`
[INFO] [stderr]    Compiling tower-layer v0.3.0
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling tokio-test v0.2.1
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling tower-test v0.3.0
[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=15d2b50a957b4ac2 -C extra-filename=-15d2b50a957b4ac2 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-25ea504f4ae4a5c2.so --extern auto_impl=/opt/rustwide/target/debug/deps/libauto_impl-6065c1a9e1d4bfaf.so --extern bytes=/opt/rustwide/target/debug/deps/libbytes-8f475ca97d0bfeee.rlib --extern dashmap=/opt/rustwide/target/debug/deps/libdashmap-e00c3a80e59e59b0.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-237a2974e418f2b8.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-a20d7dbb7c365076.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-e85f58044ae91ffe.rlib --extern lsp_types=/opt/rustwide/target/debug/deps/liblsp_types-c4d720aac41ffcf1.rlib --extern lspower=/opt/rustwide/target/debug/deps/liblspower-fd20a2f7523841a7.rlib --extern lspower_macros=/opt/rustwide/target/debug/deps/liblspower_macros-09b90ad13e0c3ff5.so --extern nom=/opt/rustwide/target/debug/deps/libnom-32130e940940baa2.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-a018c3b43256f734.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-d3c5778a5eeb00d5.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-ac3b492d8b0b5db4.rlib --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-94107bc25ad8b552.rlib --extern tower_service=/opt/rustwide/target/debug/deps/libtower_service-f22dd29b73135e87.rlib --extern tower_test=/opt/rustwide/target/debug/deps/libtower_test-7fd6cabc2cad16d2.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" "81452274a541e41f7d2e989dad9db3a8c6076e2c848a53f1a1964294a6dbba07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81452274a541e41f7d2e989dad9db3a8c6076e2c848a53f1a1964294a6dbba07", kill_on_drop: false }`
[INFO] [stdout] 81452274a541e41f7d2e989dad9db3a8c6076e2c848a53f1a1964294a6dbba07