[INFO] cloning repository https://github.com/BeniReydman/LSTester
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BeniReydman/LSTester" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBeniReydman%2FLSTester", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBeniReydman%2FLSTester'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c422afca2d4a513a3fef84fa4726041138b5118c
[INFO] checking BeniReydman/LSTester against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBeniReydman%2FLSTester" "/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/BeniReydman/LSTester on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BeniReydman/LSTester
[INFO] finished tweaking git repo https://github.com/BeniReydman/LSTester
[INFO] tweaked toml for git repo https://github.com/BeniReydman/LSTester written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/BeniReydman/LSTester already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", 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] 2f8152da5607d2ea2ccada43c18ee4cd3201a05f27f906ed3fc9e27d43d523f4
[INFO] running `Command { std: "docker" "start" "-a" "2f8152da5607d2ea2ccada43c18ee4cd3201a05f27f906ed3fc9e27d43d523f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f8152da5607d2ea2ccada43c18ee4cd3201a05f27f906ed3fc9e27d43d523f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f8152da5607d2ea2ccada43c18ee4cd3201a05f27f906ed3fc9e27d43d523f4", kill_on_drop: false }`
[INFO] [stdout] 2f8152da5607d2ea2ccada43c18ee4cd3201a05f27f906ed3fc9e27d43d523f4
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] a1d302f4ebb0436c0e859a60a565c761992782dc661ced7be318266462ebcc67
[INFO] running `Command { std: "docker" "start" "-a" "a1d302f4ebb0436c0e859a60a565c761992782dc661ced7be318266462ebcc67", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking webpki v0.19.1
[INFO] [stderr]     Checking sct v0.5.0
[INFO] [stderr]     Checking rustls v0.15.2
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking tokio-rustls v0.9.4
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking mqtt311 v0.2.0
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking serde_json v1.0.55
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking rmp-serde v0.14.3
[INFO] [stderr]     Checking jsonwebtoken v6.0.1
[INFO] [stderr]     Checking rumqtt v0.31.0
[INFO] [stderr]     Checking local_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `notifications`
[INFO] [stdout]   --> src/main.rs:25:27
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let (mut mqtt_client, notifications) = MqttClient::start(mqtt_options).unwrap();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_notifications`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `s` is never read
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut s = String::new();
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `notifications`
[INFO] [stdout]   --> src/main.rs:25:27
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let (mut mqtt_client, notifications) = MqttClient::start(mqtt_options).unwrap();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_notifications`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `s` is never read
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut s = String::new();
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.74s
[INFO] running `Command { std: "docker" "inspect" "a1d302f4ebb0436c0e859a60a565c761992782dc661ced7be318266462ebcc67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d302f4ebb0436c0e859a60a565c761992782dc661ced7be318266462ebcc67", kill_on_drop: false }`
[INFO] [stdout] a1d302f4ebb0436c0e859a60a565c761992782dc661ced7be318266462ebcc67