[INFO] cloning repository https://github.com/k4rtik/ip-tcp-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/k4rtik/ip-tcp-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk4rtik%2Fip-tcp-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk4rtik%2Fip-tcp-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb9bec89e475af2a5ade4d00e4878df659589f2a
[INFO] documenting k4rtik/ip-tcp-rs against 1.47.0 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk4rtik%2Fip-tcp-rs" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/k4rtik/ip-tcp-rs on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/k4rtik/ip-tcp-rs
[INFO] finished tweaking git repo https://github.com/k4rtik/ip-tcp-rs
[INFO] tweaked toml for git repo https://github.com/k4rtik/ip-tcp-rs written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/k4rtik/ip-tcp-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 822782d05d1ded331302f2840332a0f5411d534181ccda70609b36ed6152bf74
[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" "822782d05d1ded331302f2840332a0f5411d534181ccda70609b36ed6152bf74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "822782d05d1ded331302f2840332a0f5411d534181ccda70609b36ed6152bf74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "822782d05d1ded331302f2840332a0f5411d534181ccda70609b36ed6152bf74", kill_on_drop: false }`
[INFO] [stdout] 822782d05d1ded331302f2840332a0f5411d534181ccda70609b36ed6152bf74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe208d3ad6fcad9217043c706ae54b6c04c33ff75dbf04171fd81b8caecbe14a
[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" "fe208d3ad6fcad9217043c706ae54b6c04c33ff75dbf04171fd81b8caecbe14a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]     Checking unicode-width v0.1.3
[INFO] [stderr]     Checking pnet_macros_support v0.1.1
[INFO] [stderr]     Checking crossbeam v0.2.10
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking bytes v0.4.0-dev (https://github.com/carllerche/bytes?branch=refactor#4886b445)
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]    Compiling term v0.4.4
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking clap v2.19.2
[INFO] [stderr]     Checking bytes-more v0.4.0-dev (https://github.com/carllerche/bytes-more#6cc4c2af)
[INFO] [stderr]     Checking syntex_errors v0.42.0
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking syntex_syntax v0.42.0
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking pretty_env_logger v0.1.0 (https://github.com/seanmonstar/pretty-env-logger#e589eb06)
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]     Checking syntex v0.42.2
[INFO] [stderr]     Checking pnet_macros v0.11.0
[INFO] [stderr]    Compiling pnet v0.14.0
[INFO] [stderr]    Compiling ip-tcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting ip-tcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/ip-tcp-eb49a91fd55f4974/out/rip_pkt.rs:480:13
[INFO] [stdout]     |
[INFO] [stdout] 480 |             (_self.packet[co] as u8)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/ip-tcp-eb49a91fd55f4974/out/rip_pkt.rs:487:13
[INFO] [stdout]     |
[INFO] [stdout] 487 |             (_self.packet[co] as u8)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/ip-tcp-eb49a91fd55f4974/out/rip_pkt.rs:494:13
[INFO] [stdout]     |
[INFO] [stdout] 494 |             (_self.packet[co] as u8)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/ip-tcp-eb49a91fd55f4974/out/rip_pkt.rs:501:13
[INFO] [stdout]     |
[INFO] [stdout] 501 |             (_self.packet[co] as u8)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/ip-tcp-eb49a91fd55f4974/out/rip_pkt.rs:567:13
[INFO] [stdout]     |
[INFO] [stdout] 567 |             (_self.packet[co] as u8)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/ip-tcp-eb49a91fd55f4974/out/rip_pkt.rs:574:13
[INFO] [stdout]     |
[INFO] [stdout] 574 |             (_self.packet[co] as u8)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/ip-tcp-eb49a91fd55f4974/out/rip_pkt.rs:581:13
[INFO] [stdout]     |
[INFO] [stdout] 581 |             (_self.packet[co] as u8)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/ip-tcp-eb49a91fd55f4974/out/rip_pkt.rs:588:13
[INFO] [stdout]     |
[INFO] [stdout] 588 |             (_self.packet[co] as u8)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.47s
[INFO] running `Command { std: "docker" "inspect" "fe208d3ad6fcad9217043c706ae54b6c04c33ff75dbf04171fd81b8caecbe14a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe208d3ad6fcad9217043c706ae54b6c04c33ff75dbf04171fd81b8caecbe14a", kill_on_drop: false }`
[INFO] [stdout] fe208d3ad6fcad9217043c706ae54b6c04c33ff75dbf04171fd81b8caecbe14a
