[INFO] cloning repository https://github.com/yaozijian/mqttlib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yaozijian/mqttlib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaozijian%2Fmqttlib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaozijian%2Fmqttlib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d208dd74a9fa528c52a550f21d5124a015cc76b
[INFO] testing yaozijian/mqttlib against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaozijian%2Fmqttlib" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yaozijian/mqttlib on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yaozijian/mqttlib
[INFO] finished tweaking git repo https://github.com/yaozijian/mqttlib
[INFO] tweaked toml for git repo https://github.com/yaozijian/mqttlib written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/yaozijian/mqttlib already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", 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] ad5cc25b7927e68ffffb8a17ae75a6ffa6a1806cfe1ed53cebe95854ffb8351d
[INFO] running `Command { std: "docker" "start" "-a" "ad5cc25b7927e68ffffb8a17ae75a6ffa6a1806cfe1ed53cebe95854ffb8351d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad5cc25b7927e68ffffb8a17ae75a6ffa6a1806cfe1ed53cebe95854ffb8351d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad5cc25b7927e68ffffb8a17ae75a6ffa6a1806cfe1ed53cebe95854ffb8351d", kill_on_drop: false }`
[INFO] [stdout] ad5cc25b7927e68ffffb8a17ae75a6ffa6a1806cfe1ed53cebe95854ffb8351d
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--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] 80967ad8ee2b63cd1743db65f5a288ec722d86e5e3c18a57a81c8d8b68e8d5c5
[INFO] running `Command { std: "docker" "start" "-a" "80967ad8ee2b63cd1743db65f5a288ec722d86e5e3c18a57a81c8d8b68e8d5c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling bincode v1.1.3
[INFO] [stderr]    Compiling mqttlib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.21s
[INFO] running `Command { std: "docker" "inspect" "80967ad8ee2b63cd1743db65f5a288ec722d86e5e3c18a57a81c8d8b68e8d5c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80967ad8ee2b63cd1743db65f5a288ec722d86e5e3c18a57a81c8d8b68e8d5c5", kill_on_drop: false }`
[INFO] [stdout] 80967ad8ee2b63cd1743db65f5a288ec722d86e5e3c18a57a81c8d8b68e8d5c5
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b425b799033f55eaf1aca188c04373df3a7a4212581f43032180c3a2eac723e
[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" "6b425b799033f55eaf1aca188c04373df3a7a4212581f43032180c3a2eac723e", kill_on_drop: false }`
[INFO] [stderr]    Compiling mqttlib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "6b425b799033f55eaf1aca188c04373df3a7a4212581f43032180c3a2eac723e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b425b799033f55eaf1aca188c04373df3a7a4212581f43032180c3a2eac723e", kill_on_drop: false }`
[INFO] [stdout] 6b425b799033f55eaf1aca188c04373df3a7a4212581f43032180c3a2eac723e
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4497c952152d96227d2d34b463a09fa7344bf904075173e7fb572ca3fb25202e
[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" "4497c952152d96227d2d34b463a09fa7344bf904075173e7fb572ca3fb25202e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mqttlib-3020429683604692)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::head::head_read_write ... ok
[INFO] [stdout] test tests::pkt_connack::pkt_connack_from_common_packet ... ok
[INFO] [stderr]    Doc-tests mqttlib
[INFO] [stdout] test tests::raw_packet::raw_packet_read_write ... ok
[INFO] [stdout] test tests::pkt_connect::pkt_connect_read_write ... ok
[INFO] [stdout] test tests::pkt_connect::pkt_connect_from_common_packet ... ok
[INFO] [stdout] test tests::pkt_connack::pkt_connack_read_write ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4497c952152d96227d2d34b463a09fa7344bf904075173e7fb572ca3fb25202e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4497c952152d96227d2d34b463a09fa7344bf904075173e7fb572ca3fb25202e", kill_on_drop: false }`
[INFO] [stdout] 4497c952152d96227d2d34b463a09fa7344bf904075173e7fb572ca3fb25202e