[INFO] fetching crate ntex-mqtt 0.7.5...
[INFO] testing ntex-mqtt-0.7.5 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate ntex-mqtt 0.7.5 into /workspace/builds/worker-66/source
[INFO] validating manifest of crates.io crate ntex-mqtt 0.7.5 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ntex-mqtt 0.7.5
[INFO] finished tweaking crates.io crate ntex-mqtt 0.7.5
[INFO] tweaked toml for crates.io crate ntex-mqtt 0.7.5 written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] crate crates.io crate ntex-mqtt 0.7.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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 tracing v0.1.27
[INFO] [stderr]   Downloaded ntex-codec v0.5.1
[INFO] [stderr]   Downloaded ntex-service v0.2.1
[INFO] [stderr]   Downloaded ntex v0.4.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6516206b282bae0233af25f60b51224ca043c64eee2287b01473cc34a6355a60
[INFO] running `Command { std: "docker" "start" "-a" "6516206b282bae0233af25f60b51224ca043c64eee2287b01473cc34a6355a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6516206b282bae0233af25f60b51224ca043c64eee2287b01473cc34a6355a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6516206b282bae0233af25f60b51224ca043c64eee2287b01473cc34a6355a60", kill_on_drop: false }`
[INFO] [stdout] 6516206b282bae0233af25f60b51224ca043c64eee2287b01473cc34a6355a60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cc5fe76b02425a75e31af005817ad40c574b5e7021ca953147de09184a29ed1
[INFO] running `Command { std: "docker" "start" "-a" "2cc5fe76b02425a75e31af005817ad40c574b5e7021ca953147de09184a29ed1", 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]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling tokio-openssl v0.6.2
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling nanorand v0.6.1
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling tracing-core v0.1.20
[INFO] [stderr]    Compiling futures-micro v0.5.0
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling async-oneshot v0.5.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling tracing v0.1.27
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling ntex-util v0.1.1
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling ntex-service v0.2.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling tokio-util v0.6.8
[INFO] [stderr]    Compiling ntex-rt v0.3.1
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling ntex-macros v0.1.3
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling tokio-rustls v0.22.0
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling h2 v0.3.4
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling ntex-bytes v0.1.4
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling ntex-router v0.5.1
[INFO] [stderr]    Compiling ntex-codec v0.5.1
[INFO] [stderr]    Compiling ntex v0.4.5
[INFO] [stderr]    Compiling ntex-mqtt v0.7.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.90s
[INFO] running `Command { std: "docker" "inspect" "2cc5fe76b02425a75e31af005817ad40c574b5e7021ca953147de09184a29ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cc5fe76b02425a75e31af005817ad40c574b5e7021ca953147de09184a29ed1", kill_on_drop: false }`
[INFO] [stdout] 2cc5fe76b02425a75e31af005817ad40c574b5e7021ca953147de09184a29ed1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b7a3c66baf4b1640dd35b28c468a2b1b73126bf5c8d1d3a5db3055fbf27acbc
[INFO] running `Command { std: "docker" "start" "-a" "9b7a3c66baf4b1640dd35b28c468a2b1b73126bf5c8d1d3a5db3055fbf27acbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling ntex-mqtt v0.7.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `client_id`
[INFO] [stdout]   --> examples/subs.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     client_id: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ntex-mqtt`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name ntex_mqtt --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=2a899ec9313603a2 -C extra-filename=-2a899ec9313603a2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-05dfd5b5d1225bed.rlib --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-80cbe57358dae118.so --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-ae2120195f2a0d97.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-a78d4c563d3c8f31.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-41607b4997ff699e.rlib --extern ntex=/opt/rustwide/target/debug/deps/libntex-e6b2d40a06d5e4b0.rlib --extern openssl=/opt/rustwide/target/debug/deps/libopenssl-ae6dde095aded70f.rlib --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-c01d3460c002bb08.rlib --extern rustls=/opt/rustwide/target/debug/deps/librustls-ffeba29e2abe25a8.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-b41ebdf7bf2936b6.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-38fa6c4fe523c837.rlib --extern tokio_openssl=/opt/rustwide/target/debug/deps/libtokio_openssl-09c86a957761d4c7.rlib --extern tokio_rustls=/opt/rustwide/target/debug/deps/libtokio_rustls-d27083493ac5c83a.rlib --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/ring-6765761d58e96204/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9b7a3c66baf4b1640dd35b28c468a2b1b73126bf5c8d1d3a5db3055fbf27acbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b7a3c66baf4b1640dd35b28c468a2b1b73126bf5c8d1d3a5db3055fbf27acbc", kill_on_drop: false }`
[INFO] [stdout] 9b7a3c66baf4b1640dd35b28c468a2b1b73126bf5c8d1d3a5db3055fbf27acbc