[INFO] cloning repository https://github.com/rk9109/net
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rk9109/net" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frk9109%2Fnet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frk9109%2Fnet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e86bd42cd712181ef217652c3262e90fce24728
[INFO] checking rk9109/net against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frk9109%2Fnet" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rk9109/net
[INFO] finished tweaking git repo https://github.com/rk9109/net
[INFO] tweaked toml for git repo https://github.com/rk9109/net written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rk9109/net on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rk9109/net 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59495e1aa9a83c76f920aed1efa5f2f8f96d76e147fe09f4e3b9fe773b9fad9b
[INFO] running `Command { std: "docker" "start" "-a" "59495e1aa9a83c76f920aed1efa5f2f8f96d76e147fe09f4e3b9fe773b9fad9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59495e1aa9a83c76f920aed1efa5f2f8f96d76e147fe09f4e3b9fe773b9fad9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59495e1aa9a83c76f920aed1efa5f2f8f96d76e147fe09f4e3b9fe773b9fad9b", kill_on_drop: false }`
[INFO] [stdout] 59495e1aa9a83c76f920aed1efa5f2f8f96d76e147fe09f4e3b9fe773b9fad9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc45eb5b97c5d992357420b825584eb11eecc705345d88997b403c035326deb1
[INFO] running `Command { std: "docker" "start" "-a" "cc45eb5b97c5d992357420b825584eb11eecc705345d88997b403c035326deb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling tun-tap v0.1.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `hrd`, `pro`, `hln`, and `pln` are never read
[INFO] [stdout]   --> src/arp.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub struct ArpHeader {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 73 |     hrd: ArpHardwareType, // Hardware type
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 74 |     pro: EthernetType,    // Protocol type
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 75 |     hln: u8,              // Hardware address length
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 76 |     pln: u8,              // Protocol address length
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ArpHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]    --> src/arp.rs:171:12
[INFO] [stdout]     |
[INFO] [stdout] 164 | impl ArpCache {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 171 |     pub fn get(&mut self, ipv4_address: Ipv4Address) -> Option<MacAddress> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `hrd`, `pro`, `hln`, and `pln` are never read
[INFO] [stdout]   --> src/arp.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub struct ArpHeader {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 73 |     hrd: ArpHardwareType, // Hardware type
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 74 |     pro: EthernetType,    // Protocol type
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 75 |     hln: u8,              // Hardware address length
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 76 |     pln: u8,              // Protocol address length
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ArpHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]    --> src/arp.rs:171:12
[INFO] [stdout]     |
[INFO] [stdout] 164 | impl ArpCache {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 171 |     pub fn get(&mut self, ipv4_address: Ipv4Address) -> Option<MacAddress> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.93s
[INFO] running `Command { std: "docker" "inspect" "cc45eb5b97c5d992357420b825584eb11eecc705345d88997b403c035326deb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc45eb5b97c5d992357420b825584eb11eecc705345d88997b403c035326deb1", kill_on_drop: false }`
[INFO] [stdout] cc45eb5b97c5d992357420b825584eb11eecc705345d88997b403c035326deb1
