[INFO] fetching crate coap-server 0.1.1...
[INFO] checking coap-server-0.1.1 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate coap-server 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate coap-server 0.1.1 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate coap-server 0.1.1
[INFO] finished tweaking crates.io crate coap-server 0.1.1
[INFO] tweaked toml for crates.io crate coap-server 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate coap-server 0.1.1 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" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lru_time_cache v0.11.11
[INFO] [stderr]   Downloaded getrandom v0.2.6
[INFO] [stderr]   Downloaded pin-project-internal v1.0.10
[INFO] [stderr]   Downloaded pin-project v1.0.10
[INFO] [stderr]   Downloaded tokio-stream v0.1.8
[INFO] [stderr]   Downloaded dyn-clone v1.0.5
[INFO] [stderr]   Downloaded tokio-util v0.7.0
[INFO] [stderr]   Downloaded coap-lite v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35236d7ba63341fd21339d96d72d6e13233bafe17ab41f5700f717b37c17b5c0
[INFO] running `Command { std: "docker" "start" "-a" "35236d7ba63341fd21339d96d72d6e13233bafe17ab41f5700f717b37c17b5c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35236d7ba63341fd21339d96d72d6e13233bafe17ab41f5700f717b37c17b5c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35236d7ba63341fd21339d96d72d6e13233bafe17ab41f5700f717b37c17b5c0", kill_on_drop: false }`
[INFO] [stdout] 35236d7ba63341fd21339d96d72d6e13233bafe17ab41f5700f717b37c17b5c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67a1b83c73c82c7dcc4a52b0915d15e7d2b52b12b5c036bc97f1dae985ffca26
[INFO] running `Command { std: "docker" "start" "-a" "67a1b83c73c82c7dcc4a52b0915d15e7d2b52b12b5c036bc97f1dae985ffca26", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking lru_time_cache v0.11.11
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking dyn-clone v1.0.5
[INFO] [stderr]     Checking sync_wrapper v0.1.1
[INFO] [stderr]     Checking coap-lite v0.9.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]     Checking async-stream v0.3.3
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking tokio-util v0.7.0
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking coap-server v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `message_id` is never read
[INFO] [stdout]    --> src/app/retransmission_manager.rs:257:17
[INFO] [stdout]     |
[INFO] [stdout] 257 |         let mut message_id = None;
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/app/retransmission_manager.rs:256:13
[INFO] [stdout]     |
[INFO] [stdout] 256 |         let mut sent_packet = Packet::new();
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `lookup_exact` is never used
[INFO] [stdout]   --> src/app/path_matcher.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<V> PathMatcher<V> {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn lookup_exact(&self, path: &[String]) -> Option<&V> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/udp/udp_framed_fork.rs:208:12
[INFO] [stdout]     |
[INFO] [stdout] 181 | impl<C, T> UdpFramed<C, T>
[INFO] [stdout]     | -------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 208 |     pub fn get_ref(&self) -> &T {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 219 |     pub fn get_mut(&mut self) -> &mut T {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 228 |     pub fn codec(&self) -> &C {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 237 |     pub fn codec_mut(&mut self) -> &mut C {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 242 |     pub fn read_buffer(&self) -> &BytesMut {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 247 |     pub fn read_buffer_mut(&mut self) -> &mut BytesMut {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 252 |     pub fn into_inner(self) -> T {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `lookup_exact` is never used
[INFO] [stdout]   --> src/app/path_matcher.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<V> PathMatcher<V> {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn lookup_exact(&self, path: &[String]) -> Option<&V> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/app/retransmission_manager.rs:128:12
[INFO] [stdout]     |
[INFO] [stdout] 127 | impl TransmissionParameters {
[INFO] [stdout]     | --------------------------- associated function in this implementation
[INFO] [stdout] 128 |     pub fn new(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_message_id` is never used
[INFO] [stdout]    --> src/app/retransmission_manager.rs:167:12
[INFO] [stdout]     |
[INFO] [stdout] 166 | impl<Endpoint: Debug> SendReliably<Endpoint> {
[INFO] [stdout]     | -------------------------------------------- method in this implementation
[INFO] [stdout] 167 |     pub fn get_message_id(&self) -> MessageId {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/udp/udp_framed_fork.rs:208:12
[INFO] [stdout]     |
[INFO] [stdout] 181 | impl<C, T> UdpFramed<C, T>
[INFO] [stdout]     | -------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 208 |     pub fn get_ref(&self) -> &T {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 219 |     pub fn get_mut(&mut self) -> &mut T {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 228 |     pub fn codec(&self) -> &C {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 237 |     pub fn codec_mut(&mut self) -> &mut C {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 242 |     pub fn read_buffer(&self) -> &BytesMut {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 247 |     pub fn read_buffer_mut(&mut self) -> &mut BytesMut {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 252 |     pub fn into_inner(self) -> T {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `coap_lite::link_format::LINK_ATTR_RESOURCE_TYPE`
[INFO] [stdout]  --> examples/app_default_handler.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use coap_lite::link_format::LINK_ATTR_RESOURCE_TYPE;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer`
[INFO] [stdout]   --> examples/custom_non_piggybacked_service.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         peer: SocketAddr,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[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 8.62s
[INFO] running `Command { std: "docker" "inspect" "67a1b83c73c82c7dcc4a52b0915d15e7d2b52b12b5c036bc97f1dae985ffca26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67a1b83c73c82c7dcc4a52b0915d15e7d2b52b12b5c036bc97f1dae985ffca26", kill_on_drop: false }`
[INFO] [stdout] 67a1b83c73c82c7dcc4a52b0915d15e7d2b52b12b5c036bc97f1dae985ffca26
