[INFO] cloning repository https://github.com/nayrpg/rustest_coaps [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nayrpg/rustest_coaps" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnayrpg%2Frustest_coaps"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnayrpg%2Frustest_coaps'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] eed84369f12a3ded699a9cf666ef222fb146e2f8 [INFO] checking nayrpg/rustest_coaps against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnayrpg%2Frustest_coaps" "/workspace/builds/worker-3/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nayrpg/rustest_coaps on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/nayrpg/rustest_coaps [INFO] finished tweaking git repo https://github.com/nayrpg/rustest_coaps [INFO] tweaked toml for git repo https://github.com/nayrpg/rustest_coaps written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/nayrpg/rustest_coaps already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded coap v0.7.4 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] bdd1dc2508ad1ccf655047072048f3a9152479e8a0ebe5a9966ceb15f908f5a9 [INFO] running `"docker" "start" "-a" "bdd1dc2508ad1ccf655047072048f3a9152479e8a0ebe5a9966ceb15f908f5a9"` [INFO] [stderr] Compiling openssl v0.10.19 [INFO] [stderr] Compiling openssl-src v111.2.1+1.1.1b [INFO] [stderr] Checking bincode v0.3.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking nix v0.5.1 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking threadpool v1.7.1 [INFO] [stderr] Checking miow v0.1.5 [INFO] [stderr] Compiling openssl-sys v0.9.42 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking mio v0.5.1 [INFO] [stderr] Checking coap v0.7.4 [INFO] [stderr] Checking rustest_coaps v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `len_received` [INFO] [stderr] --> src/lib.rs:145:9 [INFO] [stderr] | [INFO] [stderr] 145 | let len_received = coaps_stream.ssl_read(&mut buf); [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_len_received` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len_received` [INFO] [stderr] --> src/lib.rs:145:9 [INFO] [stderr] | [INFO] [stderr] 145 | let len_received = coaps_stream.ssl_read(&mut buf); [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_len_received` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/lib.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | fn new(port: u16, address: SocketAddr) -> Result> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `connect_to_google` [INFO] [stderr] --> src/lib.rs:73:1 [INFO] [stderr] | [INFO] [stderr] 73 | fn connect_to_google() -> Result, Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `send_get_request` [INFO] [stderr] --> src/lib.rs:85:1 [INFO] [stderr] | [INFO] [stderr] 85 | fn send_get_request(https_stream: &mut SslStream) -> Result, Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `connect_to_local_coaps_server` [INFO] [stderr] --> src/lib.rs:94:1 [INFO] [stderr] | [INFO] [stderr] 94 | fn connect_to_local_coaps_server() -> Result, Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `send_coaps_get_request` [INFO] [stderr] --> src/lib.rs:124:1 [INFO] [stderr] | [INFO] [stderr] 124 | / fn send_coaps_get_request( [INFO] [stderr] 125 | | coaps_stream: &mut SslStream, [INFO] [stderr] 126 | | ) -> Result, Box> { [INFO] [stderr] 127 | | let mut packet = CoAPRequest::new(); [INFO] [stderr] ... | [INFO] [stderr] 146 | | Ok(buf) [INFO] [stderr] 147 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 14s [INFO] running `"docker" "inspect" "bdd1dc2508ad1ccf655047072048f3a9152479e8a0ebe5a9966ceb15f908f5a9"` [INFO] running `"docker" "rm" "-f" "bdd1dc2508ad1ccf655047072048f3a9152479e8a0ebe5a9966ceb15f908f5a9"` [INFO] [stdout] bdd1dc2508ad1ccf655047072048f3a9152479e8a0ebe5a9966ceb15f908f5a9