[INFO] cloning repository https://github.com/hayeah/shadowsocks-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hayeah/shadowsocks-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhayeah%2Fshadowsocks-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhayeah%2Fshadowsocks-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a776fd85ab9bfa36d1cf5fdc23b2e0d07908a86b
[INFO] documenting hayeah/shadowsocks-rust against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhayeah%2Fshadowsocks-rust" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hayeah/shadowsocks-rust on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hayeah/shadowsocks-rust
[INFO] finished tweaking git repo https://github.com/hayeah/shadowsocks-rust
[INFO] tweaked toml for git repo https://github.com/hayeah/shadowsocks-rust written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4958777cb6f000b760c8d0d5a7649d0e365e1d22d4ff08a631f0e9d13e0a62b3
[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" "4958777cb6f000b760c8d0d5a7649d0e365e1d22d4ff08a631f0e9d13e0a62b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4958777cb6f000b760c8d0d5a7649d0e365e1d22d4ff08a631f0e9d13e0a62b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4958777cb6f000b760c8d0d5a7649d0e365e1d22d4ff08a631f0e9d13e0a62b3", kill_on_drop: false }`
[INFO] [stdout] 4958777cb6f000b760c8d0d5a7649d0e365e1d22d4ff08a631f0e9d13e0a62b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "RUSTDOCFLAGS=--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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 616d6eaea40cd93a0cb873f730b7e20c11b0f15100cb74ef636e49168ccc157e
[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" "616d6eaea40cd93a0cb873f730b7e20c11b0f15100cb74ef636e49168ccc157e", kill_on_drop: false }`
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]     Checking checked_int_cast v1.0.0
[INFO] [stderr]     Checking lru_time_cache v0.9.0
[INFO] [stderr]     Checking byte_string v1.0.0
[INFO] [stderr]    Compiling standback v0.2.10
[INFO] [stderr]    Compiling time v0.2.17
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking qrcode v0.11.2
[INFO] [stderr]     Checking hkdf v0.8.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking pin-project v0.4.23
[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 serde v1.0.115
[INFO] [stderr]     Checking tower-load v0.3.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tower-buffer v0.3.0
[INFO] [stderr]     Checking tower-timeout v0.3.0
[INFO] [stderr]     Checking tower-retry v0.3.0
[INFO] [stderr]     Checking tower-limit v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking tower-util v0.3.1
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking tower v0.3.1
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking json5 v0.2.8
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking shadowsocks-rust v1.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting shadowsocks-rust v1.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]    --> src/relay/tcprelay/mod.rs:191:5
[INFO] [stdout]     |
[INFO] [stdout] 191 |     context: &Context,
[INFO] [stdout]     |     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 40s
[INFO] running `Command { std: "docker" "inspect" "616d6eaea40cd93a0cb873f730b7e20c11b0f15100cb74ef636e49168ccc157e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "616d6eaea40cd93a0cb873f730b7e20c11b0f15100cb74ef636e49168ccc157e", kill_on_drop: false }`
[INFO] [stdout] 616d6eaea40cd93a0cb873f730b7e20c11b0f15100cb74ef636e49168ccc157e