[INFO] cloning repository https://github.com/hnrklssn/coffeepot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hnrklssn/coffeepot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhnrklssn%2Fcoffeepot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhnrklssn%2Fcoffeepot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 38d9b7fdd48a43bb682f43d088eef7ea1b8effdd [INFO] checking hnrklssn/coffeepot against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhnrklssn%2Fcoffeepot" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hnrklssn/coffeepot on toolchain 2e6fc425411280c658d852813de01c5157255088 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hnrklssn/coffeepot [INFO] finished tweaking git repo https://github.com/hnrklssn/coffeepot [INFO] tweaked toml for git repo https://github.com/hnrklssn/coffeepot written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/hnrklssn/coffeepot 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" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ctrlc v3.1.4 [INFO] [stderr] Downloaded derive_more v0.13.0 [INFO] [stderr] Downloaded mqtt311 v0.2.0 [INFO] [stderr] Downloaded tokio-threadpool v0.1.16 [INFO] [stderr] Downloaded rppal v0.11.3 [INFO] [stderr] Downloaded simplelog v0.10.0 [INFO] [stderr] Downloaded rumqtt v0.31.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9db3f4eaaab12c41c0656d5cd07fc48959e2d58ff15f537e70516f3d87b86560 [INFO] running `Command { std: "docker" "start" "-a" "9db3f4eaaab12c41c0656d5cd07fc48959e2d58ff15f537e70516f3d87b86560", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9db3f4eaaab12c41c0656d5cd07fc48959e2d58ff15f537e70516f3d87b86560", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9db3f4eaaab12c41c0656d5cd07fc48959e2d58ff15f537e70516f3d87b86560", kill_on_drop: false }` [INFO] [stdout] 9db3f4eaaab12c41c0656d5cd07fc48959e2d58ff15f537e70516f3d87b86560 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 33268593ae3b739f2b45e50f49ee28fc97c2c06d58b434bddedd02685f6d2780 [INFO] running `Command { std: "docker" "start" "-a" "33268593ae3b739f2b45e50f49ee28fc97c2c06d58b434bddedd02685f6d2780", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling cc v1.0.45 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking futures v0.1.29 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling proc-macro2 v1.0.5 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking untrusted v0.6.2 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Checking lock_api v0.3.1 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling ring v0.14.6 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking tokio-executor v0.1.8 [INFO] [stderr] Checking tokio-sync v0.1.6 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking tokio-threadpool v0.1.16 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking chrono v0.4.9 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking backtrace v0.3.38 [INFO] [stderr] Checking tokio-reactor v0.1.10 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking simplelog v0.10.0 [INFO] [stderr] Checking timer v0.2.0 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Checking serde_json v1.0.41 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Compiling derive_more v0.13.0 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking webpki v0.19.1 [INFO] [stderr] Checking sct v0.5.0 [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 jsonwebtoken v6.0.1 [INFO] [stderr] Checking rumqtt v0.31.0 [INFO] [stderr] Checking coffeepot v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `DebounceData` is never constructed [INFO] [stdout] --> src/debounce.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | struct DebounceData { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DebounceData` is never constructed [INFO] [stdout] --> src/debounce.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | struct DebounceData { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `closure` is never used [INFO] [stdout] --> src/debounce.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn closure( [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `closure` is never used [INFO] [stdout] --> src/debounce.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn closure( [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/coffeepot.rs:33:17 [INFO] [stdout] | [INFO] [stdout] 33 | drop(guard); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Guard` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 33 - drop(guard); [INFO] [stdout] 33 + let _ = guard; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/debounce.rs:36:25 [INFO] [stdout] | [INFO] [stdout] 36 | drop(guard); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut Guard` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 36 - drop(guard); [INFO] [stdout] 36 + let _ = guard; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/coffeepot.rs:33:17 [INFO] [stdout] | [INFO] [stdout] 33 | drop(guard); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Guard` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 33 - drop(guard); [INFO] [stdout] 33 + let _ = guard; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/debounce.rs:36:25 [INFO] [stdout] | [INFO] [stdout] 36 | drop(guard); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut Guard` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 36 - drop(guard); [INFO] [stdout] 36 + let _ = guard; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.90s [INFO] running `Command { std: "docker" "inspect" "33268593ae3b739f2b45e50f49ee28fc97c2c06d58b434bddedd02685f6d2780", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33268593ae3b739f2b45e50f49ee28fc97c2c06d58b434bddedd02685f6d2780", kill_on_drop: false }` [INFO] [stdout] 33268593ae3b739f2b45e50f49ee28fc97c2c06d58b434bddedd02685f6d2780