[INFO] fetching crate mqttest 0.2.0...
[INFO] checking mqttest-0.2.0 against beta for pr-78714
[INFO] extracting crate mqttest 0.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate mqttest 0.2.0 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 mqttest 0.2.0
[INFO] finished tweaking crates.io crate mqttest 0.2.0
[INFO] tweaked toml for crates.io crate mqttest 0.2.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate mqttest 0.2.0 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 11643ae7c938b37c6f7da44ea6f2e793dca80f3f89abd8b2dadce9de22823520
[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" "11643ae7c938b37c6f7da44ea6f2e793dca80f3f89abd8b2dadce9de22823520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11643ae7c938b37c6f7da44ea6f2e793dca80f3f89abd8b2dadce9de22823520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11643ae7c938b37c6f7da44ea6f2e793dca80f3f89abd8b2dadce9de22823520", kill_on_drop: false }`
[INFO] [stdout] 11643ae7c938b37c6f7da44ea6f2e793dca80f3f89abd8b2dadce9de22823520
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 68a852365e6ae516b7cf0b16f89fd42b141d37a8c3410c267c10b551ec0bbd23
[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" "68a852365e6ae516b7cf0b16f89fd42b141d37a8c3410c267c10b551ec0bbd23", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling standback v0.2.2
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling time-macros-impl v0.1.0
[INFO] [stderr]     Checking tokio v0.2.16
[INFO] [stderr]    Compiling time v0.2.9
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking structopt v0.3.12
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking mqttrs v0.3.0
[INFO] [stderr]     Checking mqttest v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.93s
[INFO] running `Command { std: "docker" "inspect" "68a852365e6ae516b7cf0b16f89fd42b141d37a8c3410c267c10b551ec0bbd23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68a852365e6ae516b7cf0b16f89fd42b141d37a8c3410c267c10b551ec0bbd23", kill_on_drop: false }`
[INFO] [stdout] 68a852365e6ae516b7cf0b16f89fd42b141d37a8c3410c267c10b551ec0bbd23