[INFO] fetching crate lspower 1.1.0...
[INFO] testing lspower-1.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate lspower 1.1.0 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate lspower 1.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-23/source/.cargo/config
[INFO] started tweaking crates.io crate lspower 1.1.0
[INFO] finished tweaking crates.io crate lspower 1.1.0
[INFO] tweaked toml for crates.io crate lspower 1.1.0 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate crates.io crate lspower 1.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad87d6ab8481b8ad5302d4374abc2f2fad7db242e22face98fd366dd2b407a83
[INFO] running `Command { std: "docker" "start" "-a" "ad87d6ab8481b8ad5302d4374abc2f2fad7db242e22face98fd366dd2b407a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad87d6ab8481b8ad5302d4374abc2f2fad7db242e22face98fd366dd2b407a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad87d6ab8481b8ad5302d4374abc2f2fad7db242e22face98fd366dd2b407a83", kill_on_drop: false }`
[INFO] [stdout] ad87d6ab8481b8ad5302d4374abc2f2fad7db242e22face98fd366dd2b407a83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91e5c59b8d416ea2a86b20893000a923b59853235e3ce6eefc796eef81c3b9e1
[INFO] running `Command { std: "docker" "start" "-a" "91e5c59b8d416ea2a86b20893000a923b59853235e3ce6eefc796eef81c3b9e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-sink v0.3.14
[INFO] [stderr]    Compiling futures-core v0.3.14
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling futures-io v0.3.14
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling futures-task v0.3.14
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling unchecked-index v0.2.2
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling futures-channel v0.3.14
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling twoway v0.2.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling auto_impl v0.4.1
[INFO] [stderr]    Compiling lspower-macros v0.2.1
[INFO] [stderr]    Compiling futures-util v0.3.14
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling futures-executor v0.3.14
[INFO] [stderr]    Compiling futures v0.3.14
[INFO] [stderr]    Compiling tokio-util v0.6.6
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling lsp-types v0.89.0
[INFO] [stderr]    Compiling lspower v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.89s
[INFO] running `Command { std: "docker" "inspect" "91e5c59b8d416ea2a86b20893000a923b59853235e3ce6eefc796eef81c3b9e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91e5c59b8d416ea2a86b20893000a923b59853235e3ce6eefc796eef81c3b9e1", kill_on_drop: false }`
[INFO] [stdout] 91e5c59b8d416ea2a86b20893000a923b59853235e3ce6eefc796eef81c3b9e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b135f8141470da0ff8cb219fa39300cefd7c9a1d89c6b579556024b0dcd330b3
[INFO] running `Command { std: "docker" "start" "-a" "b135f8141470da0ff8cb219fa39300cefd7c9a1d89c6b579556024b0dcd330b3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling cpufeatures v0.1.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling tower-layer v0.3.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling input_buffer v0.4.0
[INFO] [stderr]    Compiling pharos v0.5.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling async-stream-impl v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling tokio-stream v0.1.5
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling async-stream v0.3.1
[INFO] [stderr]    Compiling tokio-test v0.4.1
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling sha-1 v0.9.5
[INFO] [stderr]    Compiling async_io_stream v0.3.1
[INFO] [stderr]    Compiling ws_stream_tungstenite v0.6.0
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling tungstenite v0.13.0
[INFO] [stderr]    Compiling tower-test v0.4.0
[INFO] [stderr]    Compiling async-tungstenite v0.13.1
[INFO] [stderr]    Compiling lspower v1.1.0 (/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="runtime-tokio"' --cfg 'feature="tokio"' --cfg 'feature="tokio-util"' -C metadata=823d4746c8a17d3b -C extra-filename=-823d4746c8a17d3b --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-f256151e77de7bfb.rlib --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-a806db9e1a9e4164.so --extern async_tungstenite=/opt/rustwide/target/debug/deps/libasync_tungstenite-42e5646ac07b02b0.rlib --extern auto_impl=/opt/rustwide/target/debug/deps/libauto_impl-bed064f1fb220149.so --extern bytes=/opt/rustwide/target/debug/deps/libbytes-e6eec5aeecffa8a4.rlib --extern dashmap=/opt/rustwide/target/debug/deps/libdashmap-1eb49b85a2457193.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-dbdbbef898b9904b.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-9cc1d3fb9299f4e1.rlib --extern httparse=/opt/rustwide/target/debug/deps/libhttparse-3bef57e72abf1d12.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-7914ddd45155fdc8.rlib --extern lsp=/opt/rustwide/target/debug/deps/liblsp_types-be46cbf725dc4c21.rlib --extern lspower=/opt/rustwide/target/debug/deps/liblspower-c6b7dc38bbdb8cfc.rlib --extern lspower_macros=/opt/rustwide/target/debug/deps/liblspower_macros-9914bf2b8b08e02b.so --extern serde=/opt/rustwide/target/debug/deps/libserde-612bb06a910b4c9a.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-a7eed96598452e72.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-3bcede332fdb6821.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-a88c7d34353e6077.rlib --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-a6380958068581e7.rlib --extern tower_service=/opt/rustwide/target/debug/deps/libtower_service-6990ec38e09d2cbe.rlib --extern tower_test=/opt/rustwide/target/debug/deps/libtower_test-966795a8168a7291.rlib --extern twoway=/opt/rustwide/target/debug/deps/libtwoway-fdd1d5e4be109e45.rlib --extern ws_stream_tungstenite=/opt/rustwide/target/debug/deps/libws_stream_tungstenite-fcbb291c3964a242.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" "b135f8141470da0ff8cb219fa39300cefd7c9a1d89c6b579556024b0dcd330b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b135f8141470da0ff8cb219fa39300cefd7c9a1d89c6b579556024b0dcd330b3", kill_on_drop: false }`
[INFO] [stdout] b135f8141470da0ff8cb219fa39300cefd7c9a1d89c6b579556024b0dcd330b3