[INFO] updating cached repository https://github.com/shadowsocks/shadowsocks-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a940a4085f3a90d015c9dd0ceb97995c3896829f
[INFO] documenting shadowsocks/shadowsocks-rust against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshadowsocks%2Fshadowsocks-rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shadowsocks/shadowsocks-rust on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shadowsocks/shadowsocks-rust
[INFO] finished tweaking git repo https://github.com/shadowsocks/shadowsocks-rust
[INFO] tweaked toml for git repo https://github.com/shadowsocks/shadowsocks-rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/shadowsocks/shadowsocks-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7245dd543fb0915b1dce46f6d59af3dd2350a5011e828f057004430b68291ad
[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" "d7245dd543fb0915b1dce46f6d59af3dd2350a5011e828f057004430b68291ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7245dd543fb0915b1dce46f6d59af3dd2350a5011e828f057004430b68291ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7245dd543fb0915b1dce46f6d59af3dd2350a5011e828f057004430b68291ad", kill_on_drop: false }`
[INFO] [stdout] d7245dd543fb0915b1dce46f6d59af3dd2350a5011e828f057004430b68291ad
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40a99777d160899994f5393a311878cfb727d31a7136a2270566bea88a51abd3
[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" "40a99777d160899994f5393a311878cfb727d31a7136a2270566bea88a51abd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]    Compiling cc v1.0.55
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking siphasher v0.3.3
[INFO] [stderr]     Checking checked_int_cast v1.0.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking byte_string v1.0.0
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]     Checking lru_time_cache v0.10.0
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling pest v2.1.3
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[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking iprange v0.6.3
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[INFO] [stderr]    Compiling libflate v0.1.27
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[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking hkdf v0.8.0
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking regex v1.3.9
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[INFO] [stderr]     Checking rand_core v0.5.1
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[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.10
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling tar v0.4.29
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]    Compiling libsodium-sys v0.2.5
[INFO] [stderr]     Checking bloomfilter v1.0.2
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling tracing-attributes v0.1.8
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling enum-as-inner v0.3.2
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking tracing v0.1.15
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tower-discover v0.3.0
[INFO] [stderr]     Checking tower-load-shed v0.3.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tower-load v0.3.0
[INFO] [stderr]     Checking tower-timeout v0.3.0
[INFO] [stderr]     Checking tower-retry v0.3.0
[INFO] [stderr]     Checking tower-buffer v0.3.0
[INFO] [stderr]     Checking tokio-native-tls v0.1.0
[INFO] [stderr]     Checking tower-limit v0.3.1
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking tower-util v0.3.1
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking tower v0.3.1
[INFO] [stderr]     Checking trust-dns-proto v0.19.5
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking json5 v0.2.7
[INFO] [stderr]     Checking hyper v0.13.6
[INFO] [stderr]     Checking trust-dns-resolver v0.19.5
[INFO] [stderr]     Checking shadowsocks-rust v1.8.13 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting shadowsocks-rust v1.8.13 (/opt/rustwide/workdir)
[INFO] [stderr] error: Could not document `shadowsocks-rust`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name shadowsocks src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="aes-cfb"' --cfg 'feature="aes-ctr"' --cfg 'feature="default"' --cfg 'feature="http"' --cfg 'feature="hyper"' --cfg 'feature="libsodium-sys"' --cfg 'feature="local-http"' --cfg 'feature="local-http-native-tls"' --cfg 'feature="local-socks4"' --cfg 'feature="local-tunnel"' --cfg 'feature="native-tls"' --cfg 'feature="openssl"' --cfg 'feature="rc4"' --cfg 'feature="sodium"' --cfg 'feature="tokio-native-tls"' --cfg 'feature="tower"' --cfg 'feature="trust-dns"' --cfg 'feature="trust-dns-resolver"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-cc84bf298bc50fa5.so --extern base64=/opt/rustwide/target/debug/deps/libbase64-41bd32f3dd480d61.rmeta --extern bloomfilter=/opt/rustwide/target/debug/deps/libbloomfilter-62ac14e268c4c903.rmeta --extern byte_string=/opt/rustwide/target/debug/deps/libbyte_string-52438a3cd5868ad9.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-75816ef8ceecf9ec.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-4291ca554a19dee5.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-4cb4e0a215a79e72.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-dbc339934adf8d15.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-b83d740c59ceecf2.rmeta --extern digest=/opt/rustwide/target/debug/deps/libdigest-a07e2281d0e876e5.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-b5718e2159a43a86.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-5410a69403caacc9.rmeta --extern hkdf=/opt/rustwide/target/debug/deps/libhkdf-e1457e8d0e6959ef.rmeta --extern hmac=/opt/rustwide/target/debug/deps/libhmac-cfe402ae08ca0176.rmeta --extern http=/opt/rustwide/target/debug/deps/libhttp-326d29802632980f.rmeta --extern hyper=/opt/rustwide/target/debug/deps/libhyper-ea510d42475fe657.rmeta --extern ipnet=/opt/rustwide/target/debug/deps/libipnet-d595fdcf506f9406.rmeta --extern iprange=/opt/rustwide/target/debug/deps/libiprange-1616cb15770f3690.rmeta --extern json5=/opt/rustwide/target/debug/deps/libjson5-6386443912417d22.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-b2c940d7bd864b5c.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-eaffe9296a03ec05.rmeta --extern libsodium_sys=/opt/rustwide/target/debug/deps/liblibsodium_sys-501e1d4a6b56a4c9.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-0aada07bd69e847b.rmeta --extern lru_time_cache=/opt/rustwide/target/debug/deps/liblru_time_cache-cfaec0402bdd8b5f.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-8f9782837135b283.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-be880606f4c251cc.rmeta --extern mio_uds=/opt/rustwide/target/debug/deps/libmio_uds-7812c132670699b8.rmeta --extern native_tls=/opt/rustwide/target/debug/deps/libnative_tls-c8a907347e0d6ca2.rmeta --extern openssl=/opt/rustwide/target/debug/deps/libopenssl-5d350da7bb57a97f.rmeta --extern pin_project=/opt/rustwide/target/debug/deps/libpin_project-41e9b74a1dc86407.rmeta --extern qrcode=/opt/rustwide/target/debug/deps/libqrcode-b12512db9ca44bae.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-c491f0bf45d52a6f.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-02df3c8f4aabc6bd.rmeta --extern ring=/opt/rustwide/target/debug/deps/libring-ec3c6db2919b83e1.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-3e0b4f16b207efde.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-bd66924cea85560e.rmeta --extern serde_urlencoded=/opt/rustwide/target/debug/deps/libserde_urlencoded-6fc041df363b3d2a.rmeta --extern sha1=/opt/rustwide/target/debug/deps/libsha1-2032e8462e5b57c1.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-8603d1ac1766e594.rmeta --extern spin=/opt/rustwide/target/debug/deps/libspin-47552da7e6533d11.rmeta --extern strum=/opt/rustwide/target/debug/deps/libstrum-489c235a735a8193.rmeta --extern strum_macros=/opt/rustwide/target/debug/deps/libstrum_macros-c21403aa8e8f84e8.so --extern tokio=/opt/rustwide/target/debug/deps/libtokio-312812d54d161a1a.rmeta --extern tokio_native_tls=/opt/rustwide/target/debug/deps/libtokio_native_tls-8807cc08daa1b514.rmeta --extern tower=/opt/rustwide/target/debug/deps/libtower-591519332b84a289.rmeta --extern trust_dns_proto=/opt/rustwide/target/debug/deps/libtrust_dns_proto-3181db2a770fa481.rmeta --extern trust_dns_resolver=/opt/rustwide/target/debug/deps/libtrust_dns_resolver-bea4fbe0643f3f29.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-6bc4cd4e4dba897b.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-24f95dd8495f3740.rmeta --cap-lints=forbid` (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" "40a99777d160899994f5393a311878cfb727d31a7136a2270566bea88a51abd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40a99777d160899994f5393a311878cfb727d31a7136a2270566bea88a51abd3", kill_on_drop: false }`
[INFO] [stdout] 40a99777d160899994f5393a311878cfb727d31a7136a2270566bea88a51abd3