[INFO] cloning repository https://github.com/AlexanderChen1989/grpc-lb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlexanderChen1989/grpc-lb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexanderChen1989%2Fgrpc-lb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexanderChen1989%2Fgrpc-lb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9159021d1833a51264fba3262da48971e02b2fa3
[INFO] documenting AlexanderChen1989/grpc-lb against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexanderChen1989%2Fgrpc-lb" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AlexanderChen1989/grpc-lb
[INFO] finished tweaking git repo https://github.com/AlexanderChen1989/grpc-lb
[INFO] tweaked toml for git repo https://github.com/AlexanderChen1989/grpc-lb written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AlexanderChen1989/grpc-lb on toolchain a394c9cd9ec93787f09a7ac445b14cc674a94549
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AlexanderChen1989/grpc-lb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2ab56c0e4bcf6537e1ecdc7ccd8808242e752b4bdb2079b6b19e67b6d14a12d
[INFO] running `Command { std: "docker" "start" "-a" "b2ab56c0e4bcf6537e1ecdc7ccd8808242e752b4bdb2079b6b19e67b6d14a12d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2ab56c0e4bcf6537e1ecdc7ccd8808242e752b4bdb2079b6b19e67b6d14a12d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2ab56c0e4bcf6537e1ecdc7ccd8808242e752b4bdb2079b6b19e67b6d14a12d", kill_on_drop: false }`
[INFO] [stdout] b2ab56c0e4bcf6537e1ecdc7ccd8808242e752b4bdb2079b6b19e67b6d14a12d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bdb8095a99a12127b2afb124be812bdcae597c6ac2191059324614da63812c6
[INFO] running `Command { std: "docker" "start" "-a" "1bdb8095a99a12127b2afb124be812bdcae597c6ac2191059324614da63812c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling httparse v1.7.0
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling prost-build v0.10.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]    Compiling clap_lex v0.1.1
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling cbindgen v0.23.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]     Checking ipnet v2.5.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking http-range-header v0.3.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking sync_wrapper v0.1.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking matchit v0.5.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]    Compiling clap v3.1.9
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking spin v0.9.3
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling prettyplease v0.1.9
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling prost-derive v0.10.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling enum-as-inner v0.4.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]     Checking async-stream v0.3.3
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking tracing-subscriber v0.3.11
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking flume v0.10.12
[INFO] [stderr]    Compiling prost v0.10.1
[INFO] [stderr]    Compiling prost-types v0.10.1
[INFO] [stderr]    Compiling tonic-build v0.7.0
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking axum-core v0.2.2
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking crossfire v0.1.7
[INFO] [stderr]     Checking tokio-util v0.7.1
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking tokio-io-timeout v1.2.0
[INFO] [stderr]     Checking trust-dns-proto v0.21.2
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking tower v0.4.12
[INFO] [stderr]     Checking tower-http v0.2.5
[INFO] [stderr]     Checking trust-dns-resolver v0.21.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]     Checking hyper v0.14.18
[INFO] [stderr]    Compiling nice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hyper-timeout v0.4.1
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking axum v0.5.3
[INFO] [stderr]     Checking reqwest v0.11.10
[INFO] [stderr]     Checking tonic v0.7.1
[INFO] [stderr]  Documenting nice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `nice`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/a394c9cd9ec93787f09a7ac445b14cc674a94549/bin/rustdoc --edition=2021 --crate-type bin --crate-name server3 src/bin/server3.rs -o /opt/rustwide/target/doc --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -C metadata=2133f012deb3b6a8 -L dependency=/opt/rustwide/target/debug/deps --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-098fc9292f48883a.so --extern axum=/opt/rustwide/target/debug/deps/libaxum-7d626bbf8f07efc5.rmeta --extern crossfire=/opt/rustwide/target/debug/deps/libcrossfire-e4f748470df255c8.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-41d077ccf2c03c20.rmeta --extern flume=/opt/rustwide/target/debug/deps/libflume-2a3a7ed438fa8063.rmeta --extern gethostname=/opt/rustwide/target/debug/deps/libgethostname-34538c4ee6d52df1.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-3dcad08886afe173.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-372055109d787e71.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-c0a176cef01ee653.rmeta --extern nice=/opt/rustwide/target/debug/deps/libnice-88bb73fc4847b800.rmeta --extern prost=/opt/rustwide/target/debug/deps/libprost-b1a8e52c7eab59d8.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-44d798d5fcdd3387.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-3458e0b2f6a03a47.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-ff2718ce5c0a56ad.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-1143920d030d7b6b.rmeta --extern tonic=/opt/rustwide/target/debug/deps/libtonic-ab9d12f9de16aaab.rmeta --extern tower=/opt/rustwide/target/debug/deps/libtower-c084e82e83882b56.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-34d3cf48d76c2e39.rmeta --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-565cf4831f04e72e.rmeta --extern trust_dns_resolver=/opt/rustwide/target/debug/deps/libtrust_dns_resolver-b98f2ca1d16492ef.rmeta --document-private-items '-Arustdoc::private-intra-doc-links' --cap-lints=forbid --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1bdb8095a99a12127b2afb124be812bdcae597c6ac2191059324614da63812c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bdb8095a99a12127b2afb124be812bdcae597c6ac2191059324614da63812c6", kill_on_drop: false }`
[INFO] [stdout] 1bdb8095a99a12127b2afb124be812bdcae597c6ac2191059324614da63812c6