[INFO] fetching crate tower-lsp 0.14.1...
[INFO] testing tower-lsp-0.14.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate tower-lsp 0.14.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate tower-lsp 0.14.1 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] started tweaking crates.io crate tower-lsp 0.14.1
[INFO] finished tweaking crates.io crate tower-lsp 0.14.1
[INFO] tweaked toml for crates.io crate tower-lsp 0.14.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate tower-lsp 0.14.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-stream v0.1.6
[INFO] [stderr]   Downloaded async-stream-impl v0.3.1
[INFO] [stderr]   Downloaded async-stream v0.3.1
[INFO] [stderr]   Downloaded lsp-types v0.89.0
[INFO] [stderr]   Downloaded tower-lsp-macros v0.4.1
[INFO] [stderr]   Downloaded tower-test v0.4.0
[INFO] [stderr]   Downloaded tokio v1.6.0
[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" "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] 414c066222dbda663806fda5c40bab5a998238b23927aab995bd0c3e4fcfc321
[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" "414c066222dbda663806fda5c40bab5a998238b23927aab995bd0c3e4fcfc321", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "414c066222dbda663806fda5c40bab5a998238b23927aab995bd0c3e4fcfc321", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "414c066222dbda663806fda5c40bab5a998238b23927aab995bd0c3e4fcfc321", kill_on_drop: false }`
[INFO] [stdout] 414c066222dbda663806fda5c40bab5a998238b23927aab995bd0c3e4fcfc321
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8800736785ac229a810af8362a5a6ff53c3b81fd3f1dadfa3de4fe4ffb450ab7
[INFO] running `Command { std: "docker" "start" "-a" "8800736785ac229a810af8362a5a6ff53c3b81fd3f1dadfa3de4fe4ffb450ab7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling tokio v1.6.0
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling nom v6.1.2
[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 bitvec v0.19.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]    Compiling tower-lsp-macros v0.4.1
[INFO] [stderr]    Compiling auto_impl v0.4.1
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling lsp-types v0.89.0
[INFO] [stderr]    Compiling tower-lsp v0.14.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.50s
[INFO] running `Command { std: "docker" "inspect" "8800736785ac229a810af8362a5a6ff53c3b81fd3f1dadfa3de4fe4ffb450ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8800736785ac229a810af8362a5a6ff53c3b81fd3f1dadfa3de4fe4ffb450ab7", kill_on_drop: false }`
[INFO] [stdout] 8800736785ac229a810af8362a5a6ff53c3b81fd3f1dadfa3de4fe4ffb450ab7
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 70ccddffaeb1c0eb258da05314cb98305f72fc92cd1599ff3309f95a1703d571
[INFO] running `Command { std: "docker" "start" "-a" "70ccddffaeb1c0eb258da05314cb98305f72fc92cd1599ff3309f95a1703d571", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[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 v0.1.6
[INFO] [stderr]    Compiling async-stream v0.3.1
[INFO] [stderr]    Compiling tokio-test v0.4.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling tower-test v0.4.0
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]    Compiling tower-lsp v0.14.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `tower-lsp`
[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 -C metadata=649f2fd6f2037a78 -C extra-filename=-649f2fd6f2037a78 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-024b7cbd55854182.so --extern auto_impl=/opt/rustwide/target/debug/deps/libauto_impl-5eae26503e2f3dcd.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-cd127a07de7bc479.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-7914ddd45155fdc8.rlib --extern lsp_types=/opt/rustwide/target/debug/deps/liblsp_types-b86646d38564887a.rlib --extern nom=/opt/rustwide/target/debug/deps/libnom-9cd10ee2df3a6fd7.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-5d9e0eedc33b193f.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-5adc05f2b2f7f409.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-26ecc1f5a6791fec.rlib --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-1e68dbbe45901ac4.rlib --extern tower_lsp=/opt/rustwide/target/debug/deps/libtower_lsp-54b5a8589a8847bc.rlib --extern tower_lsp_macros=/opt/rustwide/target/debug/deps/libtower_lsp_macros-4cd7533a5fa2bf74.so --extern tower_service=/opt/rustwide/target/debug/deps/libtower_service-6990ec38e09d2cbe.rlib --extern tower_test=/opt/rustwide/target/debug/deps/libtower_test-08321d4663c17f5f.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" "70ccddffaeb1c0eb258da05314cb98305f72fc92cd1599ff3309f95a1703d571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70ccddffaeb1c0eb258da05314cb98305f72fc92cd1599ff3309f95a1703d571", kill_on_drop: false }`
[INFO] [stdout] 70ccddffaeb1c0eb258da05314cb98305f72fc92cd1599ff3309f95a1703d571