[INFO] cloning repository https://github.com/curiousmindflow/rust-mqttc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/curiousmindflow/rust-mqttc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcuriousmindflow%2Frust-mqttc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcuriousmindflow%2Frust-mqttc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b003b0eaf6f420b701e2e07a47b6b31d62b341ef
[INFO] checking curiousmindflow/rust-mqttc against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcuriousmindflow%2Frust-mqttc" "/workspace/builds/worker-92/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-92/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/curiousmindflow/rust-mqttc on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/curiousmindflow/rust-mqttc
[INFO] finished tweaking git repo https://github.com/curiousmindflow/rust-mqttc
[INFO] tweaked toml for git repo https://github.com/curiousmindflow/rust-mqttc written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] crate git repo https://github.com/curiousmindflow/rust-mqttc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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 pin-project-lite v0.2.7
[INFO] [stderr]   Downloaded miow v0.3.7
[INFO] [stderr]   Downloaded rumqttc v0.8.0
[INFO] [stderr]   Downloaded libc v0.2.98
[INFO] [stderr]   Downloaded pollster v0.2.4
[INFO] [stderr]   Downloaded thiserror-impl v1.0.26
[INFO] [stderr]   Downloaded tokio-rustls v0.22.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.74
[INFO] [stderr]   Downloaded async-channel v1.6.1
[INFO] [stderr]   Downloaded sct v0.6.1
[INFO] [stderr]   Downloaded cache-padded v1.1.1
[INFO] [stderr]   Downloaded concurrent-queue v1.2.2
[INFO] [stderr]   Downloaded base64 v0.13.0
[INFO] [stderr]   Downloaded http v0.2.4
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.74
[INFO] [stderr]   Downloaded proc-macro2 v1.0.28
[INFO] [stderr]   Downloaded mqttbytes v0.4.0
[INFO] [stderr]   Downloaded cc v1.0.69
[INFO] [stderr]   Downloaded tokio v1.9.0
[INFO] [stderr]   Downloaded memchr v2.4.0
[INFO] [stderr]   Downloaded fnv v1.0.7
[INFO] [stderr]   Downloaded itoa v0.4.7
[INFO] [stderr]   Downloaded futures-core v0.3.16
[INFO] [stderr]   Downloaded once_cell v1.8.0
[INFO] [stderr]   Downloaded event-listener v2.5.1
[INFO] [stderr]   Downloaded js-sys v0.3.51
[INFO] [stderr]   Downloaded tokio-macros v1.3.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.74
[INFO] [stderr]   Downloaded untrusted v0.7.1
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.74
[INFO] [stderr]   Downloaded rustls v0.19.1
[INFO] [stderr]   Downloaded web-sys v0.3.51
[INFO] [stderr]   Downloaded ntapi v0.3.6
[INFO] [stderr]   Downloaded bytes v1.0.1
[INFO] [stderr]   Downloaded thiserror v1.0.26
[INFO] [stderr]   Downloaded spin v0.5.2
[INFO] [stderr]   Downloaded bumpalo v3.7.0
[INFO] [stderr]   Downloaded syn v1.0.74
[INFO] [stderr]   Downloaded mio v0.7.13
[INFO] [stderr]   Downloaded ring v0.16.20
[INFO] [stderr]   Downloaded webpki v0.21.4
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3dc24de68eacb6bb4b7ebf5800c0d89427941458012a1946d2a92e809d799719
[INFO] running `Command { std: "docker" "start" "-a" "3dc24de68eacb6bb4b7ebf5800c0d89427941458012a1946d2a92e809d799719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3dc24de68eacb6bb4b7ebf5800c0d89427941458012a1946d2a92e809d799719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dc24de68eacb6bb4b7ebf5800c0d89427941458012a1946d2a92e809d799719", kill_on_drop: false }`
[INFO] [stdout] 3dc24de68eacb6bb4b7ebf5800c0d89427941458012a1946d2a92e809d799719
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bee3d868a8e70f553a29df7518b49da2cd6ea195a2f32303073dd1b0dd90cb0
[INFO] running `Command { std: "docker" "start" "-a" "7bee3d868a8e70f553a29df7518b49da2cd6ea195a2f32303073dd1b0dd90cb0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking pollster v0.2.4
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking mqttbytes v0.4.0
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking rumqttc v0.8.0
[INFO] [stderr]     Checking rust-mqttc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.50s
[INFO] running `Command { std: "docker" "inspect" "7bee3d868a8e70f553a29df7518b49da2cd6ea195a2f32303073dd1b0dd90cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bee3d868a8e70f553a29df7518b49da2cd6ea195a2f32303073dd1b0dd90cb0", kill_on_drop: false }`
[INFO] [stdout] 7bee3d868a8e70f553a29df7518b49da2cd6ea195a2f32303073dd1b0dd90cb0