[INFO] fetching crate mdns-client 0.1.0...
[INFO] checking mdns-client-0.1.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate mdns-client 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mdns-client 0.1.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdns-client 0.1.0
[INFO] finished tweaking crates.io crate mdns-client 0.1.0
[INFO] tweaked toml for crates.io crate mdns-client 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dns-message-parser v0.4.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a05a5665fe0f037aa987d780501afdb06c02b851d05ceaf72410bd2d5132c69
[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" "8a05a5665fe0f037aa987d780501afdb06c02b851d05ceaf72410bd2d5132c69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a05a5665fe0f037aa987d780501afdb06c02b851d05ceaf72410bd2d5132c69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a05a5665fe0f037aa987d780501afdb06c02b851d05ceaf72410bd2d5132c69", kill_on_drop: false }`
[INFO] [stdout] 8a05a5665fe0f037aa987d780501afdb06c02b851d05ceaf72410bd2d5132c69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f6e76927407f57935bfcc377dcb1dce0ac5ccfd5646206704e638f17025866c
[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" "2f6e76927407f57935bfcc377dcb1dce0ac5ccfd5646206704e638f17025866c", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking pnet_base v0.27.2
[INFO] [stderr]    Compiling pnet v0.27.2
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking pnet_sys v0.27.2
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]     Checking pnet_macros_support v0.27.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking dns-message-parser v0.4.6
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.27.2
[INFO] [stderr]     Checking ipnetwork v0.17.0
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking pnet_datalink v0.27.2
[INFO] [stderr]    Compiling pnet_packet v0.27.2
[INFO] [stderr]     Checking pnet_transport v0.27.2
[INFO] [stderr]     Checking mdns-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Callback`
[INFO] [stdout]  --> src/tcp_server.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::types::{Callback, Metadata};
[INFO] [stdout]   |                    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `channel`
[INFO] [stdout]   --> src/tcp_server.rs:12:29
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::sync::mpsc::{self, channel, Sender};
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/drive_server.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::types::{ self, Metadata };
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `channel`
[INFO] [stdout]  --> src/drive_server.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::mpsc::{channel, Sender};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Callback`
[INFO] [stdout]  --> src/tcp_server.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::types::{Callback, Metadata};
[INFO] [stdout]   |                    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `channel`
[INFO] [stdout]   --> src/tcp_server.rs:12:29
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::sync::mpsc::{self, channel, Sender};
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/drive_server.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::types::{ self, Metadata };
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `channel`
[INFO] [stdout]  --> src/drive_server.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::mpsc::{channel, Sender};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_hash`
[INFO] [stdout]    --> src/tcp_server.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn check_hash() {}
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_hash`
[INFO] [stdout]    --> src/tcp_server.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn check_hash() {}
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.29s
[INFO] running `Command { std: "docker" "inspect" "2f6e76927407f57935bfcc377dcb1dce0ac5ccfd5646206704e638f17025866c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f6e76927407f57935bfcc377dcb1dce0ac5ccfd5646206704e638f17025866c", kill_on_drop: false }`
[INFO] [stdout] 2f6e76927407f57935bfcc377dcb1dce0ac5ccfd5646206704e638f17025866c