[INFO] cloning repository https://github.com/vincent-tr/hello-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vincent-tr/hello-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvincent-tr%2Fhello-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvincent-tr%2Fhello-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a4a9f685714ee7c0ec2d5afd02fbe60cb566f545 [INFO] checking vincent-tr/hello-rust against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvincent-tr%2Fhello-rust" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vincent-tr/hello-rust on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/vincent-tr/hello-rust [INFO] finished tweaking git repo https://github.com/vincent-tr/hello-rust [INFO] tweaked toml for git repo https://github.com/vincent-tr/hello-rust written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/vincent-tr/hello-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a2b5ba68783b8dbc45f042bf4f9eb88beca4a52f935fb9566456c66dd60424ba [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" "a2b5ba68783b8dbc45f042bf4f9eb88beca4a52f935fb9566456c66dd60424ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a2b5ba68783b8dbc45f042bf4f9eb88beca4a52f935fb9566456c66dd60424ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2b5ba68783b8dbc45f042bf4f9eb88beca4a52f935fb9566456c66dd60424ba", kill_on_drop: false }` [INFO] [stdout] a2b5ba68783b8dbc45f042bf4f9eb88beca4a52f935fb9566456c66dd60424ba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8de09361d820204341c19d844e9201bbb45e96cbb3eb5b802bc915849b3efaeb [INFO] running `Command { std: "docker" "start" "-a" "8de09361d820204341c19d844e9201bbb45e96cbb3eb5b802bc915849b3efaeb", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.55 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling heapless v0.5.6 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking bytes v1.0.0 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Compiling tokio v1.0.1 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking generic-array v0.13.2 [INFO] [stderr] Checking log v0.4.11 [INFO] [stderr] Checking parking_lot_core v0.8.2 [INFO] [stderr] Checking mio v0.7.6 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Checking hash32 v0.1.1 [INFO] [stderr] Checking as-slice v0.1.4 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Compiling tokio-macros v1.0.0 [INFO] [stderr] Checking serde v1.0.118 [INFO] [stderr] Checking mqttrs v0.4.0 [INFO] [stderr] Checking hello-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `client` [INFO] [stdout] --> main.rs:8:7 [INFO] [stdout] | [INFO] [stdout] 8 | let client = MqttClient::new(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_client` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> mqtt.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let mut client = MqttClient {task: None, stream: None}; [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: field is never read: `task` [INFO] [stdout] --> mqtt.rs:4:3 [INFO] [stdout] | [INFO] [stdout] 4 | task: Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `stream` [INFO] [stdout] --> mqtt.rs:5:3 [INFO] [stdout] | [INFO] [stdout] 5 | stream: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `do_loop` [INFO] [stdout] --> mqtt.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | async fn do_loop(&mut self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `client` [INFO] [stdout] --> main.rs:8:7 [INFO] [stdout] | [INFO] [stdout] 8 | let client = MqttClient::new(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_client` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> mqtt.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let mut client = MqttClient {task: None, stream: None}; [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: field is never read: `task` [INFO] [stdout] --> mqtt.rs:4:3 [INFO] [stdout] | [INFO] [stdout] 4 | task: Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `stream` [INFO] [stdout] --> mqtt.rs:5:3 [INFO] [stdout] | [INFO] [stdout] 5 | stream: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `do_loop` [INFO] [stdout] --> mqtt.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | async fn do_loop(&mut self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 43.56s [INFO] running `Command { std: "docker" "inspect" "8de09361d820204341c19d844e9201bbb45e96cbb3eb5b802bc915849b3efaeb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8de09361d820204341c19d844e9201bbb45e96cbb3eb5b802bc915849b3efaeb", kill_on_drop: false }` [INFO] [stdout] 8de09361d820204341c19d844e9201bbb45e96cbb3eb5b802bc915849b3efaeb