[INFO] fetching crate tower-lsp 0.13.3...
[INFO] testing tower-lsp-0.13.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate tower-lsp 0.13.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate tower-lsp 0.13.3 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 tower-lsp 0.13.3
[INFO] finished tweaking crates.io crate tower-lsp 0.13.3
[INFO] tweaked toml for crates.io crate tower-lsp 0.13.3 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate tower-lsp 0.13.3 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e93c7bd61d615d247e85004ac938b0aab6fb79bdfbcba43718b51193b751f997
[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" "e93c7bd61d615d247e85004ac938b0aab6fb79bdfbcba43718b51193b751f997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e93c7bd61d615d247e85004ac938b0aab6fb79bdfbcba43718b51193b751f997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e93c7bd61d615d247e85004ac938b0aab6fb79bdfbcba43718b51193b751f997", kill_on_drop: false }`
[INFO] [stdout] e93c7bd61d615d247e85004ac938b0aab6fb79bdfbcba43718b51193b751f997
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5fe933f648b7b37b4d1cd2e109fcbd22da94235bba1c7f937fbf267908c2285
[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" "e5fe933f648b7b37b4d1cd2e109fcbd22da94235bba1c7f937fbf267908c2285", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling net2 v0.2.35
[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 const-random-macro v0.1.8
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling const-random v0.1.8
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling dashmap v3.11.10
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]    Compiling tower-lsp-macros v0.3.0
[INFO] [stderr]    Compiling async-trait v0.1.40
[INFO] [stderr]    Compiling auto_impl v0.4.1
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling lsp-types v0.81.0
[INFO] [stderr]    Compiling tower-lsp v0.13.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.07s
[INFO] running `Command { std: "docker" "inspect" "e5fe933f648b7b37b4d1cd2e109fcbd22da94235bba1c7f937fbf267908c2285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5fe933f648b7b37b4d1cd2e109fcbd22da94235bba1c7f937fbf267908c2285", kill_on_drop: false }`
[INFO] [stdout] e5fe933f648b7b37b4d1cd2e109fcbd22da94235bba1c7f937fbf267908c2285
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 831aa882962dde4f872560aedcf35ef6270fb5b43016b218a1c3ddca82fd6bdb
[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" "831aa882962dde4f872560aedcf35ef6270fb5b43016b218a1c3ddca82fd6bdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling tower-layer v0.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling tokio-test v0.2.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling tower-test v0.3.0
[INFO] [stderr]    Compiling tower-lsp v0.13.3 (/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 stdio --edition=2018 examples/stdio.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=a26dbf8cf356a921 -C extra-filename=-a26dbf8cf356a921 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-5b7474aa1721e9e2.so --extern auto_impl=/opt/rustwide/target/debug/deps/libauto_impl-186615df69327975.so --extern bytes=/opt/rustwide/target/debug/deps/libbytes-8f475ca97d0bfeee.rlib --extern dashmap=/opt/rustwide/target/debug/deps/libdashmap-0d293d0080cdc0d7.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-fa3a8ccd943f3b88.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-09e71e391ada2b0d.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-e85f58044ae91ffe.rlib --extern lsp_types=/opt/rustwide/target/debug/deps/liblsp_types-b906c8158ccd1e30.rlib --extern nom=/opt/rustwide/target/debug/deps/libnom-b2295ddd94a5f5c6.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-1cc4c844b1a38815.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-c41a33f483d14881.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-d58fb78de8d45536.rlib --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-9a292cf8d60c1655.rlib --extern tower_lsp=/opt/rustwide/target/debug/deps/libtower_lsp-432e67b17c77355c.rlib --extern tower_lsp_macros=/opt/rustwide/target/debug/deps/libtower_lsp_macros-7001bbdc5ae12178.so --extern tower_service=/opt/rustwide/target/debug/deps/libtower_service-f22dd29b73135e87.rlib --extern tower_test=/opt/rustwide/target/debug/deps/libtower_test-db1d5ee310220fd9.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" "831aa882962dde4f872560aedcf35ef6270fb5b43016b218a1c3ddca82fd6bdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "831aa882962dde4f872560aedcf35ef6270fb5b43016b218a1c3ddca82fd6bdb", kill_on_drop: false }`
[INFO] [stdout] 831aa882962dde4f872560aedcf35ef6270fb5b43016b218a1c3ddca82fd6bdb