[INFO] fetching crate mqttrs 0.4.1...
[INFO] testing mqttrs-0.4.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate mqttrs 0.4.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mqttrs 0.4.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mqttrs 0.4.1
[INFO] finished tweaking crates.io crate mqttrs 0.4.1
[INFO] tweaked toml for crates.io crate mqttrs 0.4.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b82a8a2323d93b34a00536af2824bfe42ab9dfdccea80b28160dd416955977ed
[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" "b82a8a2323d93b34a00536af2824bfe42ab9dfdccea80b28160dd416955977ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b82a8a2323d93b34a00536af2824bfe42ab9dfdccea80b28160dd416955977ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b82a8a2323d93b34a00536af2824bfe42ab9dfdccea80b28160dd416955977ed", kill_on_drop: false }`
[INFO] [stdout] b82a8a2323d93b34a00536af2824bfe42ab9dfdccea80b28160dd416955977ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] 6a5a9abf2bfcd43b2c669338f9dc3a661c404274421f9c0161db70a5203bb7e7
[INFO] running `Command { std: "docker" "start" "-a" "6a5a9abf2bfcd43b2c669338f9dc3a661c404274421f9c0161db70a5203bb7e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling heapless v0.7.3
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling mqttrs v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.89s
[INFO] running `Command { std: "docker" "inspect" "6a5a9abf2bfcd43b2c669338f9dc3a661c404274421f9c0161db70a5203bb7e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a5a9abf2bfcd43b2c669338f9dc3a661c404274421f9c0161db70a5203bb7e7", kill_on_drop: false }`
[INFO] [stdout] 6a5a9abf2bfcd43b2c669338f9dc3a661c404274421f9c0161db70a5203bb7e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5aa9425c736e6de87ca62a3281da53e5e973db1d415b5d1c646e05251341a16
[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" "b5aa9425c736e6de87ca62a3281da53e5e973db1d415b5d1c646e05251341a16", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling proptest v0.10.1
[INFO] [stderr]    Compiling mqttrs v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `bytes::BytesMut`
[INFO] [stdout]  --> src/encoder_test.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use bytes::BytesMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 36.37s
[INFO] running `Command { std: "docker" "inspect" "b5aa9425c736e6de87ca62a3281da53e5e973db1d415b5d1c646e05251341a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5aa9425c736e6de87ca62a3281da53e5e973db1d415b5d1c646e05251341a16", kill_on_drop: false }`
[INFO] [stdout] b5aa9425c736e6de87ca62a3281da53e5e973db1d415b5d1c646e05251341a16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", 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] 69fa9fd7d8a85f81b220a8203d76e40fa79a0b0b52545d3cf7b1164dfdd86dda
[INFO] running `Command { std: "docker" "start" "-a" "69fa9fd7d8a85f81b220a8203d76e40fa79a0b0b52545d3cf7b1164dfdd86dda", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `bytes::BytesMut`
[INFO] [stderr]  --> src/encoder_test.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use bytes::BytesMut;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mqttrs-2add4436cb7f4585)
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[INFO] [stdout] test decoder_test::test_offset_start ... ignored
[INFO] [stdout] test decoder_test::header_firstbyte ... ok
[INFO] [stdout] test decoder_test::test_disconnect ... ok
[INFO] [stdout] test decoder_test::test_half_connect ... ok
[INFO] [stdout] test decoder_test::test_pub_ack ... ok
[INFO] [stdout] test decoder_test::test_pub_comp ... ok
[INFO] [stdout] test decoder_test::test_pub_rec ... ok
[INFO] [stdout] test decoder_test::test_publish ... ignored
[INFO] [stdout] test decoder_test::test_pub_rel ... ok
[INFO] [stdout] test decoder_test::test_suback ... ok
[INFO] [stdout] test decoder_test::test_subscribe ... ok
[INFO] [stdout] test decoder_test::test_ping_resp ... ok
[INFO] [stdout] test decoder_test::test_unsub_ack ... ok
[INFO] [stdout] test decoder_test::test_connack ... ok
[INFO] [stdout] test decoder_test::test_unsubscribe ... ok
[INFO] [stdout] test encoder_test::test_connack ... ok
[INFO] [stdout] test encoder_test::test_connect ... ok
[INFO] [stdout] test encoder_test::test_disconnect ... ok
[INFO] [stdout] test decoder_test::test_ping_req ... ok
[INFO] [stdout] test encoder_test::test_ping_req ... ok
[INFO] [stdout] test encoder_test::test_puback ... ok
[INFO] [stdout] test encoder_test::test_pubcomp ... ok
[INFO] [stdout] test encoder_test::test_publish ... ok
[INFO] [stdout] test encoder_test::test_pubrec ... ok
[INFO] [stdout] test encoder_test::test_pubrel ... ok
[INFO] [stdout] test encoder_test::test_suback ... ok
[INFO] [stdout] test encoder_test::test_subscribe ... ok
[INFO] [stderr]    Doc-tests mqttrs
[INFO] [stdout] test encoder_test::test_unsuback ... ok
[INFO] [stdout] test encoder_test::test_unsubscribe ... ok
[INFO] [stdout] test utils::test::pid_add_sub ... ok
[INFO] [stdout] test decoder_test::test_connect ... ok
[INFO] [stdout] test decoder_test::non_utf8_string ... ok
[INFO] [stdout] test decoder_test::test_connect_wrong_version ... ok
[INFO] [stdout] test decoder_test::inner_length_too_long ... ok
[INFO] [stdout] test decoder_test::header_len ... ok
[INFO] [stdout] test encoder_test::test_ping_resp ... ok
[INFO] [stdout] test encoder_test::test_write_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/utils.rs - utils::Pid (line 85) ... ok
[INFO] [stdout] test src/packet.rs - packet::Packet (line 8) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/encoder.rs - encoder::encode_slice (line 5) ... ok
[INFO] [stdout] test src/decoder.rs - decoder::decode_slice (line 33) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "69fa9fd7d8a85f81b220a8203d76e40fa79a0b0b52545d3cf7b1164dfdd86dda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69fa9fd7d8a85f81b220a8203d76e40fa79a0b0b52545d3cf7b1164dfdd86dda", kill_on_drop: false }`
[INFO] [stdout] 69fa9fd7d8a85f81b220a8203d76e40fa79a0b0b52545d3cf7b1164dfdd86dda