[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] testing vincent-tr/hello-rust against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvincent-tr%2Fhello-rust" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vincent-tr/hello-rust on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-3/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded as-slice v0.1.4 [INFO] [stderr] Downloaded mio v0.7.6 [INFO] [stderr] Downloaded heapless v0.5.6 [INFO] [stderr] Downloaded mqttrs v0.4.0 [INFO] running `Command { std: "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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 04edd947e44f6cfac0f3a923323cde18a0edfbadcc52264564dcea879cd6ec47 [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" "04edd947e44f6cfac0f3a923323cde18a0edfbadcc52264564dcea879cd6ec47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "04edd947e44f6cfac0f3a923323cde18a0edfbadcc52264564dcea879cd6ec47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04edd947e44f6cfac0f3a923323cde18a0edfbadcc52264564dcea879cd6ec47", kill_on_drop: false }` [INFO] [stdout] 04edd947e44f6cfac0f3a923323cde18a0edfbadcc52264564dcea879cd6ec47 [INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3cd17eaf025d7df9ea7aca9b5484691a83b3b2de0934224768487a3187c7b53b [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" "3cd17eaf025d7df9ea7aca9b5484691a83b3b2de0934224768487a3187c7b53b", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.55 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling heapless v0.5.6 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling once_cell v1.5.2 [INFO] [stderr] Compiling tokio v1.0.1 [INFO] [stderr] Compiling lock_api v0.4.2 [INFO] [stderr] Compiling generic-array v0.13.2 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling instant v0.1.9 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling parking_lot_core v0.8.2 [INFO] [stderr] Compiling mio v0.7.6 [INFO] [stderr] Compiling as-slice v0.1.4 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Compiling hash32 v0.1.1 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Compiling tokio-macros v1.0.0 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Compiling mqttrs v0.4.0 [INFO] [stderr] Compiling 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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 47.42s [INFO] running `Command { std: "docker" "inspect" "3cd17eaf025d7df9ea7aca9b5484691a83b3b2de0934224768487a3187c7b53b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3cd17eaf025d7df9ea7aca9b5484691a83b3b2de0934224768487a3187c7b53b", kill_on_drop: false }` [INFO] [stdout] 3cd17eaf025d7df9ea7aca9b5484691a83b3b2de0934224768487a3187c7b53b [INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f395cfa12ca0198f72b7b001c5f612f3e7ba7f4d38791280e240a9c7b0c558ab [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" "f395cfa12ca0198f72b7b001c5f612f3e7ba7f4d38791280e240a9c7b0c558ab", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling 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] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.28s [INFO] running `Command { std: "docker" "inspect" "f395cfa12ca0198f72b7b001c5f612f3e7ba7f4d38791280e240a9c7b0c558ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f395cfa12ca0198f72b7b001c5f612f3e7ba7f4d38791280e240a9c7b0c558ab", kill_on_drop: false }` [INFO] [stdout] f395cfa12ca0198f72b7b001c5f612f3e7ba7f4d38791280e240a9c7b0c558ab [INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] cd3ac832ac9d474fe6265b700c4db32d3b6db6e64f5a22d2f337895d185dbe10 [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" "cd3ac832ac9d474fe6265b700c4db32d3b6db6e64f5a22d2f337895d185dbe10", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `client` [INFO] [stderr] --> main.rs:8:7 [INFO] [stderr] | [INFO] [stderr] 8 | let client = MqttClient::new(); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_client` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> mqtt.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | let mut client = MqttClient {task: None, stream: None}; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `task` [INFO] [stderr] --> mqtt.rs:4:3 [INFO] [stderr] | [INFO] [stderr] 4 | task: Option>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `stream` [INFO] [stderr] --> mqtt.rs:5:3 [INFO] [stderr] | [INFO] [stderr] 5 | stream: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `do_loop` [INFO] [stderr] --> mqtt.rs:20:12 [INFO] [stderr] | [INFO] [stderr] 20 | async fn do_loop(&mut self) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `hello-rust` (bin "hello-rust" test) generated 5 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/hello_rust-89ee50d50b23150f) [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" "cd3ac832ac9d474fe6265b700c4db32d3b6db6e64f5a22d2f337895d185dbe10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd3ac832ac9d474fe6265b700c4db32d3b6db6e64f5a22d2f337895d185dbe10", kill_on_drop: false }` [INFO] [stdout] cd3ac832ac9d474fe6265b700c4db32d3b6db6e64f5a22d2f337895d185dbe10