[INFO] fetching crate mqtt311 0.2.0...
[INFO] testing mqtt311-0.2.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate mqtt311 0.2.0 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate mqtt311 0.2.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mqtt311 0.2.0
[INFO] finished tweaking crates.io crate mqtt311 0.2.0
[INFO] tweaked toml for crates.io crate mqtt311 0.2.0 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c3de392e44aeaf4426dd7b5cf0f6aadebe5bd34f3420f18586ed66c0155bc49
[INFO] running `Command { std: "docker" "start" "-a" "3c3de392e44aeaf4426dd7b5cf0f6aadebe5bd34f3420f18586ed66c0155bc49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c3de392e44aeaf4426dd7b5cf0f6aadebe5bd34f3420f18586ed66c0155bc49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c3de392e44aeaf4426dd7b5cf0f6aadebe5bd34f3420f18586ed66c0155bc49", kill_on_drop: false }`
[INFO] [stdout] 3c3de392e44aeaf4426dd7b5cf0f6aadebe5bd34f3420f18586ed66c0155bc49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bee2666cadb9aa38f63a1f0f1d31f10bcdf5335707dac08a43cb45df5f330973
[INFO] running `Command { std: "docker" "start" "-a" "bee2666cadb9aa38f63a1f0f1d31f10bcdf5335707dac08a43cb45df5f330973", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling mqtt311 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.39s
[INFO] running `Command { std: "docker" "inspect" "bee2666cadb9aa38f63a1f0f1d31f10bcdf5335707dac08a43cb45df5f330973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bee2666cadb9aa38f63a1f0f1d31f10bcdf5335707dac08a43cb45df5f330973", kill_on_drop: false }`
[INFO] [stdout] bee2666cadb9aa38f63a1f0f1d31f10bcdf5335707dac08a43cb45df5f330973
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd893bed0a1d2cd894e7ace0eb496e5f057e95990f851cf6dd70de7d652d46c6
[INFO] running `Command { std: "docker" "start" "-a" "cd893bed0a1d2cd894e7ace0eb496e5f057e95990f851cf6dd70de7d652d46c6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mqtt311 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `Command { std: "docker" "inspect" "cd893bed0a1d2cd894e7ace0eb496e5f057e95990f851cf6dd70de7d652d46c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd893bed0a1d2cd894e7ace0eb496e5f057e95990f851cf6dd70de7d652d46c6", kill_on_drop: false }`
[INFO] [stdout] cd893bed0a1d2cd894e7ace0eb496e5f057e95990f851cf6dd70de7d652d46c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 60f46c0e3075e4fdaabc4f9c34db2e0ad2ee7ab4aa80d141097725f5e6a76c57
[INFO] running `Command { std: "docker" "start" "-a" "60f46c0e3075e4fdaabc4f9c34db2e0ad2ee7ab4aa80d141097725f5e6a76c57", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mqtt311-6ab4e5780e093fcd)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test msg::test::message_to_pub_test ... ok
[INFO] [stdout] test msg::test::to_topic_name_test ... ok
[INFO] [stdout] test msg::test::message_from_pub_test ... ok
[INFO] [stdout] test read::test::read_packet_connack_test ... ok
[INFO] [stdout] test read::test::read_packet_puback_test ... ok
[INFO] [stdout] test read::test::read_packet_connect_mqtt_protocol_test ... ok
[INFO] [stdout] test read::test::read_packet_connect_mqisdp_protocol_test ... ok
[INFO] [stdout] test read::test::read_packet_suback_test ... ok
[INFO] [stdout] test read::test::read_packet_publish_qos0_test ... ok
[INFO] [stdout] test read::test::read_packet_publish_qos1_test ... ok
[INFO] [stdout] test read::test::read_packet_subscribe_test ... ok
[INFO] [stdout] test read::test::read_packet_unsubscribe_test ... ok
[INFO] [stdout] test test::packet_identifier_test ... ok
[INFO] [stdout] test test::protocol_test ... ok
[INFO] [stdout] test test::qos_min_test ... ok
[INFO] [stdout] test topic::test::topic_is_not_valid_test ... ok
[INFO] [stdout] test topic::test::topic_path_test ... ok
[INFO] [stdout] test topic::test::wildcards_test ... ok
[INFO] [stdout] test write::test::write_packet_connack_test ... ok
[INFO] [stdout] test write::test::write_packet_connect_mqisdp_protocol_test ... ok
[INFO] [stdout] test write::test::write_packet_connect_mqtt_protocol_test ... ok
[INFO] [stdout] test write::test::write_packet_publish_at_least_once_test ... ok
[INFO] [stdout] test write::test::write_packet_publish_at_most_once_test ... ok
[INFO] [stdout] test write::test::write_packet_subscribe_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mqtt311
[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" "60f46c0e3075e4fdaabc4f9c34db2e0ad2ee7ab4aa80d141097725f5e6a76c57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60f46c0e3075e4fdaabc4f9c34db2e0ad2ee7ab4aa80d141097725f5e6a76c57", kill_on_drop: false }`
[INFO] [stdout] 60f46c0e3075e4fdaabc4f9c34db2e0ad2ee7ab4aa80d141097725f5e6a76c57