[INFO] fetching crate sage_mqtt 0.2.4...
[INFO] checking sage_mqtt-0.2.4 against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] extracting crate sage_mqtt 0.2.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate sage_mqtt 0.2.4 on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sage_mqtt 0.2.4
[INFO] finished tweaking crates.io crate sage_mqtt 0.2.4
[INFO] tweaked toml for crates.io crate sage_mqtt 0.2.4 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate sage_mqtt 0.2.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e08cdbce4c4c3df5ceea0f975f421d9e631a31982c1d4a72ffa065a0916183d
[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" "2e08cdbce4c4c3df5ceea0f975f421d9e631a31982c1d4a72ffa065a0916183d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e08cdbce4c4c3df5ceea0f975f421d9e631a31982c1d4a72ffa065a0916183d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e08cdbce4c4c3df5ceea0f975f421d9e631a31982c1d4a72ffa065a0916183d", kill_on_drop: false }`
[INFO] [stdout] 2e08cdbce4c4c3df5ceea0f975f421d9e631a31982c1d4a72ffa065a0916183d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "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] 0bcb23def0adb3ba576bf535d60147a1a4e7d45cea5b2f90b60ea0eca2dda07b
[INFO] running `Command { std: "docker" "start" "-a" "0bcb23def0adb3ba576bf535d60147a1a4e7d45cea5b2f90b60ea0eca2dda07b", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling pin-project-internal v0.4.21
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro-nested v0.1.5
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking scoped-tls-hkt v0.1.2
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking maybe-uninit v2.0.0
[INFO] [stderr]     Checking memoffset v0.5.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking unicode_reader v1.0.0
[INFO] [stderr]     Checking kv-log-macro v1.0.6
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]     Checking pin-project v0.4.21
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking piper v0.1.3
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking smol v0.1.11
[INFO] [stderr]     Checking sage_mqtt v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking async-std v1.6.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.67s
[INFO] running `Command { std: "docker" "inspect" "0bcb23def0adb3ba576bf535d60147a1a4e7d45cea5b2f90b60ea0eca2dda07b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bcb23def0adb3ba576bf535d60147a1a4e7d45cea5b2f90b60ea0eca2dda07b", kill_on_drop: false }`
[INFO] [stdout] 0bcb23def0adb3ba576bf535d60147a1a4e7d45cea5b2f90b60ea0eca2dda07b