[INFO] updating cached repository https://github.com/hnrklssn/coffeepot
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3973bf4c98cedecb20cc70b58c46bb089656a7d3
[INFO] checking hnrklssn/coffeepot against try#e922e6444795ab795fab1943288aee3d543699b8 for pr-66852
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhnrklssn%2Fcoffeepot" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hnrklssn/coffeepot on toolchain e922e6444795ab795fab1943288aee3d543699b8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-14/source/Cargo.toml
[INFO] crate git repo https://github.com/hnrklssn/coffeepot already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a78b98013774ac62de259f805df4be1eaa38161c6fb3c0d8ca7b44a94a27975c
[INFO] running `"docker" "start" "-a" "a78b98013774ac62de259f805df4be1eaa38161c6fb3c0d8ca7b44a94a27975c"`
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking mqtt311 v0.2.0
[INFO] [stderr]     Checking timer v0.2.0
[INFO] [stderr]     Checking sct v0.5.0
[INFO] [stderr]     Checking webpki v0.19.1
[INFO] [stderr]     Checking rustls v0.15.2
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking tokio-rustls v0.9.4
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking jsonwebtoken v6.0.1
[INFO] [stderr]     Checking rumqtt v0.31.0
[INFO] [stderr]     Checking coffeepot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `toggle_active`
[INFO] [stderr]    --> src/coffeepot.rs:141:5
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn toggle_active(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `DebounceData`
[INFO] [stderr]  --> src/debounce.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct DebounceData<A, B: FnMut(A) + Send + Sync + 'static> {
[INFO] [stderr]   |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `closure`
[INFO] [stderr]   --> src/debounce.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn closure<A: Eq + Copy + Send + Sync + 'static, B: FnMut(A) + Send + Sync + 'static>(
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `toggle_active`
[INFO] [stderr]    --> src/coffeepot.rs:141:5
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn toggle_active(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `DebounceData`
[INFO] [stderr]  --> src/debounce.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct DebounceData<A, B: FnMut(A) + Send + Sync + 'static> {
[INFO] [stderr]   |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `closure`
[INFO] [stderr]   --> src/debounce.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn closure<A: Eq + Copy + Send + Sync + 'static, B: FnMut(A) + Send + Sync + 'static>(
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `"docker" "inspect" "a78b98013774ac62de259f805df4be1eaa38161c6fb3c0d8ca7b44a94a27975c"`
[INFO] running `"docker" "rm" "-f" "a78b98013774ac62de259f805df4be1eaa38161c6fb3c0d8ca7b44a94a27975c"`
[INFO] [stdout] a78b98013774ac62de259f805df4be1eaa38161c6fb3c0d8ca7b44a94a27975c