[INFO] cloning repository https://github.com/friek/mqtt2tcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/friek/mqtt2tcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffriek%2Fmqtt2tcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffriek%2Fmqtt2tcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5044e6f8693514621991726d4e7edcb117ea2685
[INFO] testing friek/mqtt2tcp against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffriek%2Fmqtt2tcp" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/friek/mqtt2tcp on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/friek/mqtt2tcp
[INFO] finished tweaking git repo https://github.com/friek/mqtt2tcp
[INFO] tweaked toml for git repo https://github.com/friek/mqtt2tcp written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/friek/mqtt2tcp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded embedded-hal v0.2.5
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.2
[INFO] [stderr]   Downloaded heapless v0.7.3
[INFO] [stderr]   Downloaded mqttrs v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4fdfc468a8eda24ed3a18444721b678fae56e16dfc22df67e504f77a13dd6ca
[INFO] running `Command { std: "docker" "start" "-a" "f4fdfc468a8eda24ed3a18444721b678fae56e16dfc22df67e504f77a13dd6ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4fdfc468a8eda24ed3a18444721b678fae56e16dfc22df67e504f77a13dd6ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4fdfc468a8eda24ed3a18444721b678fae56e16dfc22df67e504f77a13dd6ca", kill_on_drop: false }`
[INFO] [stdout] f4fdfc468a8eda24ed3a18444721b678fae56e16dfc22df67e504f77a13dd6ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38b5b0ded2011baf6ecbc0307bda47b4c0065c9157355972bbaf0b5070c4315b
[INFO] running `Command { std: "docker" "start" "-a" "38b5b0ded2011baf6ecbc0307bda47b4c0065c9157355972bbaf0b5070c4315b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling heapless v0.7.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling os_str_bytes v2.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling textwrap v0.12.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling stderrlog v0.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling futures-executor v0.3.16
[INFO] [stderr]    Compiling futures v0.3.16
[INFO] [stderr]    Compiling mqttrs v0.4.1
[INFO] [stderr]    Compiling mqtt2tcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/main.rs:171:38
[INFO] [stdout]     |
[INFO] [stdout] 171 | ...                   for (addr, client_conn) in clients.iter_mut() {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]    --> src/main.rs:179:42
[INFO] [stdout]     |
[INFO] [stdout] 179 | ...                   for (pos, write_result) in write_results.iter().enumerate() {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.66s
[INFO] running `Command { std: "docker" "inspect" "38b5b0ded2011baf6ecbc0307bda47b4c0065c9157355972bbaf0b5070c4315b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38b5b0ded2011baf6ecbc0307bda47b4c0065c9157355972bbaf0b5070c4315b", kill_on_drop: false }`
[INFO] [stdout] 38b5b0ded2011baf6ecbc0307bda47b4c0065c9157355972bbaf0b5070c4315b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b805bc6c4d0a8bfb55ed480b77d6745c595456743093cc70d7f270543631aada
[INFO] running `Command { std: "docker" "start" "-a" "b805bc6c4d0a8bfb55ed480b77d6745c595456743093cc70d7f270543631aada", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mqtt2tcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/main.rs:171:38
[INFO] [stdout]     |
[INFO] [stdout] 171 | ...                   for (addr, client_conn) in clients.iter_mut() {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]    --> src/main.rs:179:42
[INFO] [stdout]     |
[INFO] [stdout] 179 | ...                   for (pos, write_result) in write_results.iter().enumerate() {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "b805bc6c4d0a8bfb55ed480b77d6745c595456743093cc70d7f270543631aada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b805bc6c4d0a8bfb55ed480b77d6745c595456743093cc70d7f270543631aada", kill_on_drop: false }`
[INFO] [stdout] b805bc6c4d0a8bfb55ed480b77d6745c595456743093cc70d7f270543631aada
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6000a8beb37c4ea95a53c003962be792be573ad1890ea33a0cdd9f9708eb0319
[INFO] running `Command { std: "docker" "start" "-a" "6000a8beb37c4ea95a53c003962be792be573ad1890ea33a0cdd9f9708eb0319", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]    --> src/main.rs:171:38
[INFO] [stderr]     |
[INFO] [stderr] 171 | ...                   for (addr, client_conn) in clients.iter_mut() {
[INFO] [stderr]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pos`
[INFO] [stderr]    --> src/main.rs:179:42
[INFO] [stderr]     |
[INFO] [stderr] 179 | ...                   for (pos, write_result) in write_results.iter().enumerate() {
[INFO] [stderr]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stderr] 
[INFO] [stderr] warning: `mqtt2tcp` (bin "mqtt2tcp" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mqtt2tcp-7620cd08fb490a69)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6000a8beb37c4ea95a53c003962be792be573ad1890ea33a0cdd9f9708eb0319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6000a8beb37c4ea95a53c003962be792be573ad1890ea33a0cdd9f9708eb0319", kill_on_drop: false }`
[INFO] [stdout] 6000a8beb37c4ea95a53c003962be792be573ad1890ea33a0cdd9f9708eb0319