[INFO] fetching crate rumq-client 0.1.0-alpha.7...
[INFO] checking rumq-client-0.1.0-alpha.7 against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[INFO] extracting crate rumq-client 0.1.0-alpha.7 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rumq-client 0.1.0-alpha.7 on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rumq-client 0.1.0-alpha.7
[INFO] finished tweaking crates.io crate rumq-client 0.1.0-alpha.7
[INFO] tweaked toml for crates.io crate rumq-client 0.1.0-alpha.7 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate rumq-client 0.1.0-alpha.7 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+13f916f63bc6575d5ff1f989237dfabe88981368" "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] 172afdbc5c0fbbc8b5daedb9d1bdbb859e97f3200a3c08c3770823cf4e384848
[INFO] running `"docker" "start" "-a" "172afdbc5c0fbbc8b5daedb9d1bdbb859e97f3200a3c08c3770823cf4e384848"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ring v0.16.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.33
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking findshlibs v0.5.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking simple_asn1 v0.4.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking pem v0.7.0
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling scroll_derive v0.10.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling async-trait v0.1.24
[INFO] [stderr]    Compiling derive_more v0.99.3
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking async-stream v0.2.1
[INFO] [stderr]     Checking goblin v0.2.0
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-rustls v0.12.2
[INFO] [stderr]     Checking rumq-core v0.1.0-alpha.6
[INFO] [stderr]     Checking backtrace v0.3.45
[INFO] [stderr]     Checking rumq-client v0.1.0-alpha.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking color-backtrace v0.2.3
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking envy v0.4.1
[INFO] [stderr]     Checking jsonwebtoken v7.1.0
[INFO] [stderr] warning: unused variable: `client_cert`
[INFO] [stderr]   --> examples/tls.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let client_cert = fs::read("certs/tlsfiles/device-1.cert.pem").unwrap();
[INFO] [stderr]    |         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_client_cert`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `client_key`
[INFO] [stderr]   --> examples/tls.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let client_key = fs::read("certs/tlsfiles/device-1.key.pem").unwrap();
[INFO] [stderr]    |         ^^^^^^^^^^ help: consider prefixing with an underscore: `_client_key`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `throttled_requests_works_with_correct_delays_between_requests`
[INFO] [stderr]    --> src/eventloop.rs:397:14
[INFO] [stderr]     |
[INFO] [stderr] 397 |     async fn throttled_requests_works_with_correct_delays_between_requests() {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `start_requests`
[INFO] [stderr]    --> src/eventloop.rs:706:14
[INFO] [stderr]     |
[INFO] [stderr] 706 |     async fn start_requests(mut requests_tx: Sender<Request>) {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `"docker" "inspect" "172afdbc5c0fbbc8b5daedb9d1bdbb859e97f3200a3c08c3770823cf4e384848"`
[INFO] running `"docker" "rm" "-f" "172afdbc5c0fbbc8b5daedb9d1bdbb859e97f3200a3c08c3770823cf4e384848"`
[INFO] [stdout] 172afdbc5c0fbbc8b5daedb9d1bdbb859e97f3200a3c08c3770823cf4e384848