[INFO] fetching crate rqtt 0.1.0...
[INFO] checking rqtt-0.1.0 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate rqtt 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rqtt 0.1.0 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rqtt 0.1.0
[INFO] finished tweaking crates.io crate rqtt 0.1.0
[INFO] tweaked toml for crates.io crate rqtt 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate rqtt 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded packattack-derive v0.3.1
[INFO] [stderr]   Downloaded mqtt_5 v0.1.1
[INFO] [stderr]   Downloaded packattack v0.1.0
[INFO] [stderr]   Downloaded bitreader_async v0.2.0
[INFO] [stderr]   Downloaded env_proxy v0.3.1
[INFO] [stderr]   Downloaded cargo-edit v0.3.3
[INFO] [stderr]   Downloaded async-task v1.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa556a22aaa719c68889aa4336ea6451c7d2d0df2bbb1d49b90927ba027dce56
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fa556a22aaa719c68889aa4336ea6451c7d2d0df2bbb1d49b90927ba027dce56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa556a22aaa719c68889aa4336ea6451c7d2d0df2bbb1d49b90927ba027dce56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa556a22aaa719c68889aa4336ea6451c7d2d0df2bbb1d49b90927ba027dce56", kill_on_drop: false }`
[INFO] [stdout] fa556a22aaa719c68889aa4336ea6451c7d2d0df2bbb1d49b90927ba027dce56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aaa27f52ff362523130cb41c1510bd7e5b456f91477c26d64c8abc38dfe74cf2
[INFO] running `Command { std: "docker" "start" "-a" "aaa27f52ff362523130cb41c1510bd7e5b456f91477c26d64c8abc38dfe74cf2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]     Checking once_cell v1.2.0
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking bit_reverse v0.1.8
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking async-task v1.1.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking env_proxy v0.3.1
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking toml_edit v0.1.5
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling async-trait v0.1.22
[INFO] [stderr]    Compiling packattack-derive v0.3.1
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking cargo_metadata v0.8.2
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking tokio-threadpool v0.1.17
[INFO] [stderr]     Checking async-std v1.4.0
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking bitreader_async v0.2.0
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking packattack v0.1.0
[INFO] [stderr]     Checking mqtt_5 v0.1.1
[INFO] [stderr]     Checking cargo-edit v0.3.3
[INFO] [stderr]     Checking rqtt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "aaa27f52ff362523130cb41c1510bd7e5b456f91477c26d64c8abc38dfe74cf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaa27f52ff362523130cb41c1510bd7e5b456f91477c26d64c8abc38dfe74cf2", kill_on_drop: false }`
[INFO] [stdout] aaa27f52ff362523130cb41c1510bd7e5b456f91477c26d64c8abc38dfe74cf2