[INFO] fetching crate mqtt-async-client 0.1.7...
[INFO] checking mqtt-async-client-0.1.7 against beta for pr-78714
[INFO] extracting crate mqtt-async-client 0.1.7 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate mqtt-async-client 0.1.7 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mqtt-async-client 0.1.7
[INFO] finished tweaking crates.io crate mqtt-async-client 0.1.7
[INFO] tweaked toml for crates.io crate mqtt-async-client 0.1.7 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate mqtt-async-client 0.1.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab178f52697f71750ff8bf2d32ae1ac5715c5250aeffca70d6b356556adf851c
[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" "ab178f52697f71750ff8bf2d32ae1ac5715c5250aeffca70d6b356556adf851c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab178f52697f71750ff8bf2d32ae1ac5715c5250aeffca70d6b356556adf851c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab178f52697f71750ff8bf2d32ae1ac5715c5250aeffca70d6b356556adf851c", kill_on_drop: false }`
[INFO] [stdout] ab178f52697f71750ff8bf2d32ae1ac5715c5250aeffca70d6b356556adf851c
[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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4685470ef80b52fd2287e4515f787bdad8572dd3ef8922bfddc82b69dab22d3b
[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" "4685470ef80b52fd2287e4515f787bdad8572dd3ef8922bfddc82b69dab22d3b", kill_on_drop: false }`
[INFO] [stderr]     Checking ring v0.16.15
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.7
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking mqttrs v0.2.0
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking futures-util v0.3.7
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking tokio-rustls v0.12.3
[INFO] [stderr]     Checking mqtt-async-client v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.11s
[INFO] running `Command { std: "docker" "inspect" "4685470ef80b52fd2287e4515f787bdad8572dd3ef8922bfddc82b69dab22d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4685470ef80b52fd2287e4515f787bdad8572dd3ef8922bfddc82b69dab22d3b", kill_on_drop: false }`
[INFO] [stdout] 4685470ef80b52fd2287e4515f787bdad8572dd3ef8922bfddc82b69dab22d3b