[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 master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBeniReydman%2FLSTester" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [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-0-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/BeniReydman/LSTester on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/BeniReydman/LSTester already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded sct v0.5.0 [INFO] [stderr] Downloaded webpki v0.19.1 [INFO] [stderr] Downloaded adler32 v1.1.0 [INFO] [stderr] Downloaded base64 v0.10.1 [INFO] [stderr] Downloaded untrusted v0.6.2 [INFO] [stderr] Downloaded serde_derive v1.0.114 [INFO] [stderr] Downloaded cc v1.0.55 [INFO] [stderr] Downloaded rustc-demangle v0.1.16 [INFO] [stderr] Downloaded mqtt311 v0.2.0 [INFO] [stderr] Downloaded memoffset v0.5.4 [INFO] [stderr] Downloaded num-integer v0.1.43 [INFO] [stderr] Downloaded serde v1.0.114 [INFO] [stderr] Downloaded rmp v0.8.9 [INFO] [stderr] Downloaded rmp-serde v0.14.3 [INFO] [stderr] Downloaded serde_json v1.0.55 [INFO] [stderr] Downloaded crossbeam-channel v0.3.9 [INFO] [stderr] Downloaded chrono v0.4.11 [INFO] [stderr] Downloaded addr2line v0.12.2 [INFO] [stderr] Downloaded mio v0.6.22 [INFO] [stderr] Downloaded futures v0.1.29 [INFO] [stderr] Downloaded syn v0.15.44 [INFO] [stderr] Downloaded object v0.20.0 [INFO] [stderr] Downloaded syn v1.0.33 [INFO] [stderr] Downloaded backtrace v0.3.49 [INFO] [stderr] Downloaded jsonwebtoken v6.0.1 [INFO] [stderr] Downloaded net2 v0.2.34 [INFO] [stderr] Downloaded smallvec v0.6.13 [INFO] [stderr] Downloaded parking_lot_core v0.6.2 [INFO] [stderr] Downloaded tokio-rustls v0.9.4 [INFO] [stderr] Downloaded rustls v0.15.2 [INFO] [stderr] Downloaded uuid v0.7.4 [INFO] [stderr] Downloaded time v0.1.43 [INFO] [stderr] Downloaded quote v0.6.13 [INFO] [stderr] Downloaded derive_more v0.13.0 [INFO] [stderr] Downloaded hermit-abi v0.1.14 [INFO] [stderr] Downloaded autocfg v1.0.0 [INFO] [stderr] Downloaded libc v0.2.71 [INFO] [stderr] Downloaded proc-macro2 v1.0.18 [INFO] [stderr] Downloaded gimli v0.21.0 [INFO] [stderr] Downloaded rumqtt v0.31.0 [INFO] [stderr] Downloaded ring v0.14.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ec676a09139a049e51475167f8d14b702490fc43608fdb30a500b25c8ec885a8 [INFO] running `Command { std: "docker" "start" "-a" "ec676a09139a049e51475167f8d14b702490fc43608fdb30a500b25c8ec885a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ec676a09139a049e51475167f8d14b702490fc43608fdb30a500b25c8ec885a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec676a09139a049e51475167f8d14b702490fc43608fdb30a500b25c8ec885a8", kill_on_drop: false }` [INFO] [stdout] ec676a09139a049e51475167f8d14b702490fc43608fdb30a500b25c8ec885a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 75fc6a5089374e701bb92e48bd53f7e190997df52d98d9b607bf4d17d1e86dec [INFO] running `Command { std: "docker" "start" "-a" "75fc6a5089374e701bb92e48bd53f7e190997df52d98d9b607bf4d17d1e86dec", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling syn v1.0.33 [INFO] [stderr] Checking futures v0.1.29 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling cc v1.0.55 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Checking untrusted v0.6.2 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking gimli v0.21.0 [INFO] [stderr] Checking adler32 v1.1.0 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Compiling serde_json v1.0.55 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking object v0.20.0 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Compiling ring v0.14.6 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking rmp v0.8.9 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking addr2line v0.12.2 [INFO] [stderr] Checking backtrace v0.3.49 [INFO] [stderr] Compiling derive_more v0.13.0 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Checking sct v0.5.0 [INFO] [stderr] Checking webpki v0.19.1 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking rustls v0.15.2 [INFO] [stderr] Checking mqtt311 v0.2.0 [INFO] [stderr] Checking tokio-rustls v0.9.4 [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `s` is never read [INFO] [stdout] --> src/main.rs:26:17 [INFO] [stdout] | [INFO] [stdout] 26 | let mut s = String::new(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `s` is never read [INFO] [stdout] --> src/main.rs:26:17 [INFO] [stdout] | [INFO] [stdout] 26 | let mut s = String::new(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.56s [INFO] running `Command { std: "docker" "inspect" "75fc6a5089374e701bb92e48bd53f7e190997df52d98d9b607bf4d17d1e86dec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75fc6a5089374e701bb92e48bd53f7e190997df52d98d9b607bf4d17d1e86dec", kill_on_drop: false }` [INFO] [stdout] 75fc6a5089374e701bb92e48bd53f7e190997df52d98d9b607bf4d17d1e86dec