[INFO] fetching crate sage_mqtt 0.2.4...
[INFO] checking sage_mqtt-0.2.4 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate sage_mqtt 0.2.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sage_mqtt 0.2.4 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "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-4/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" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kv-log-macro v1.0.6
[INFO] [stderr]   Downloaded piper v0.1.3
[INFO] [stderr]   Downloaded wepoll-sys v2.0.0
[INFO] [stderr]   Downloaded pin-project-internal v0.4.21
[INFO] [stderr]   Downloaded wepoll-binding v2.0.2
[INFO] [stderr]   Downloaded scoped-tls-hkt v0.1.2
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.13
[INFO] [stderr]   Downloaded pin-project v0.4.21
[INFO] [stderr]   Downloaded smol v0.1.11
[INFO] [stderr]   Downloaded async-std v1.6.1
[INFO] [stderr]   Downloaded async-attributes v1.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ee63023614e033547cf383515a9604d37c480c0c727d8b965969529829caba8
[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" "7ee63023614e033547cf383515a9604d37c480c0c727d8b965969529829caba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ee63023614e033547cf383515a9604d37c480c0c727d8b965969529829caba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ee63023614e033547cf383515a9604d37c480c0c727d8b965969529829caba8", kill_on_drop: false }`
[INFO] [stdout] 7ee63023614e033547cf383515a9604d37c480c0c727d8b965969529829caba8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05b7d4b9e3f482990f82a333223b3939898f33871240fb896d24cd7c4e514e16
[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" "05b7d4b9e3f482990f82a333223b3939898f33871240fb896d24cd7c4e514e16", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling pin-project-internal v0.4.21
[INFO] [stderr]    Compiling proc-macro-nested v0.1.5
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking scoped-tls-hkt v0.1.2
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking kv-log-macro v1.0.6
[INFO] [stderr]     Checking unicode_reader v1.0.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking num_cpus v1.13.0
[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 sage_mqtt v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking smol v0.1.11
[INFO] [stderr]     Checking async-std v1.6.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.35s
[INFO] running `Command { std: "docker" "inspect" "05b7d4b9e3f482990f82a333223b3939898f33871240fb896d24cd7c4e514e16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05b7d4b9e3f482990f82a333223b3939898f33871240fb896d24cd7c4e514e16", kill_on_drop: false }`
[INFO] [stdout] 05b7d4b9e3f482990f82a333223b3939898f33871240fb896d24cd7c4e514e16