[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 try#81ab7f2139295590561adbe6d5b0aaa2feff765f for pr-146470-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhnrklssn%2Fcoffeepot" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[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-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hnrklssn/coffeepot on toolchain 81ab7f2139295590561adbe6d5b0aaa2feff765f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-rustls v0.9.4
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[INFO] [stderr]   Downloaded rumqtt v0.31.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da842a5072e43ac30754bf31b9e668438605d5bc51f1ec49864d746e51d1496f
[INFO] running `Command { std: "docker" "start" "-a" "da842a5072e43ac30754bf31b9e668438605d5bc51f1ec49864d746e51d1496f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da842a5072e43ac30754bf31b9e668438605d5bc51f1ec49864d746e51d1496f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da842a5072e43ac30754bf31b9e668438605d5bc51f1ec49864d746e51d1496f", kill_on_drop: false }`
[INFO] [stdout] da842a5072e43ac30754bf31b9e668438605d5bc51f1ec49864d746e51d1496f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bad63c9d2425fe7a5793303911562b1061fd381e80f949e96690aa8671e5ca41
[INFO] running `Command { std: "docker" "start" "-a" "bad63c9d2425fe7a5793303911562b1061fd381e80f949e96690aa8671e5ca41", kill_on_drop: false }`
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[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
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[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling num-traits v0.2.8
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[INFO] [stderr]    Compiling rand_chacha v0.1.1
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[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
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[INFO] [stderr]     Checking time v0.1.42
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[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking serde_json v1.0.41
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[INFO] [stderr]     Checking uuid v0.7.4
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[INFO] [stderr]     Checking rustls v0.15.2
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[INFO] [stderr]     Checking coffeepot v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `toggle_active` is never used
[INFO] [stdout]    --> src/coffeepot.rs:155:12
[INFO] [stdout]     |
[INFO] [stdout]  80 | impl Coffeepot {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 155 |     pub fn toggle_active(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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<A, B: FnMut(A) + Send + Sync + 'static> {
[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<A: Eq + Copy + Send + Sync + Debug + 'static, B: FnMut(A) + Send + Sync + 'static>(
[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: method `toggle_active` is never used
[INFO] [stdout]    --> src/coffeepot.rs:155:12
[INFO] [stdout]     |
[INFO] [stdout]  80 | impl Coffeepot {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 155 |     pub fn toggle_active(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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<A, B: FnMut(A) + Send + Sync + 'static> {
[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<A: Eq + Copy + Send + Sync + Debug + 'static, B: FnMut(A) + Send + Sync + 'static>(
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.31s
[INFO] running `Command { std: "docker" "inspect" "bad63c9d2425fe7a5793303911562b1061fd381e80f949e96690aa8671e5ca41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bad63c9d2425fe7a5793303911562b1061fd381e80f949e96690aa8671e5ca41", kill_on_drop: false }`
[INFO] [stdout] bad63c9d2425fe7a5793303911562b1061fd381e80f949e96690aa8671e5ca41
