[INFO] cloning repository https://github.com/lambdabear/mqtt-sub-client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lambdabear/mqtt-sub-client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flambdabear%2Fmqtt-sub-client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flambdabear%2Fmqtt-sub-client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f91506c4884dcef820ea88c24420cf477fdc67e5
[INFO] checking lambdabear/mqtt-sub-client against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flambdabear%2Fmqtt-sub-client" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lambdabear/mqtt-sub-client on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lambdabear/mqtt-sub-client
[INFO] finished tweaking git repo https://github.com/lambdabear/mqtt-sub-client
[INFO] tweaked toml for git repo https://github.com/lambdabear/mqtt-sub-client written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/lambdabear/mqtt-sub-client already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_more v0.13.0
[INFO] [stderr]   Downloaded sct v0.4.0
[INFO] [stderr]   Downloaded tokio-rustls v0.8.1
[INFO] [stderr]   Downloaded pretty_env_logger v0.2.5
[INFO] [stderr]   Downloaded env_logger v0.5.13
[INFO] [stderr]   Downloaded webpki v0.18.1
[INFO] [stderr]   Downloaded rustls v0.14.0
[INFO] [stderr]   Downloaded jsonwebtoken v5.0.1
[INFO] [stderr]   Downloaded rumqtt v0.30.1
[INFO] [stderr]   Downloaded mqtt311 v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17c1e45c67d80235bbcf51eeda8405f44ceb436d2dfc2cfe227c29161ed7e379
[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" "17c1e45c67d80235bbcf51eeda8405f44ceb436d2dfc2cfe227c29161ed7e379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17c1e45c67d80235bbcf51eeda8405f44ceb436d2dfc2cfe227c29161ed7e379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17c1e45c67d80235bbcf51eeda8405f44ceb436d2dfc2cfe227c29161ed7e379", kill_on_drop: false }`
[INFO] [stdout] 17c1e45c67d80235bbcf51eeda8405f44ceb436d2dfc2cfe227c29161ed7e379
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d399e15deb7195b8aadbb40917503e913baaeb4931ee1f7634ed7e31c242f38c
[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" "d399e15deb7195b8aadbb40917503e913baaeb4931ee1f7634ed7e31c242f38c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking uuid v0.7.2
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]     Checking webpki v0.18.1
[INFO] [stderr]     Checking sct v0.4.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking rustls v0.14.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]     Checking tokio-rustls v0.8.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking mqtt311 v0.2.0
[INFO] [stderr]     Checking jsonwebtoken v5.0.1
[INFO] [stderr]     Checking rumqtt v0.30.1
[INFO] [stderr]     Checking mqtt-sub v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.70s
[INFO] running `Command { std: "docker" "inspect" "d399e15deb7195b8aadbb40917503e913baaeb4931ee1f7634ed7e31c242f38c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d399e15deb7195b8aadbb40917503e913baaeb4931ee1f7634ed7e31c242f38c", kill_on_drop: false }`
[INFO] [stdout] d399e15deb7195b8aadbb40917503e913baaeb4931ee1f7634ed7e31c242f38c