[INFO] fetching crate mqttrs 0.4.0...
[INFO] testing mqttrs-0.4.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate mqttrs 0.4.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mqttrs 0.4.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mqttrs 0.4.0
[INFO] finished tweaking crates.io crate mqttrs 0.4.0
[INFO] tweaked toml for crates.io crate mqttrs 0.4.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e934b210ce8d8bc9d58f408fc13723e0ed2ad7858ffe7ad1d21988409570abe7
[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" "e934b210ce8d8bc9d58f408fc13723e0ed2ad7858ffe7ad1d21988409570abe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e934b210ce8d8bc9d58f408fc13723e0ed2ad7858ffe7ad1d21988409570abe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e934b210ce8d8bc9d58f408fc13723e0ed2ad7858ffe7ad1d21988409570abe7", kill_on_drop: false }`
[INFO] [stdout] e934b210ce8d8bc9d58f408fc13723e0ed2ad7858ffe7ad1d21988409570abe7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a948b9dc5eda625081794090d32c25567d317d49127df22af56d0de74919401d
[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" "a948b9dc5eda625081794090d32c25567d317d49127df22af56d0de74919401d", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]    Compiling mqttrs v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ArrayLength`, `String`, `Vec`
[INFO] [stdout]  --> src/decoder.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use heapless::{String, Vec, ArrayLength};
[INFO] [stdout]   |                ^^^^^^  ^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `String`, `Vec`, `consts`
[INFO] [stdout]  --> src/publish.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use heapless::{String, Vec, consts};
[INFO] [stdout]   |                ^^^^^^  ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.83s
[INFO] running `Command { std: "docker" "inspect" "a948b9dc5eda625081794090d32c25567d317d49127df22af56d0de74919401d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a948b9dc5eda625081794090d32c25567d317d49127df22af56d0de74919401d", kill_on_drop: false }`
[INFO] [stdout] a948b9dc5eda625081794090d32c25567d317d49127df22af56d0de74919401d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b1fb65d5c483b8e72b1bd41d18637af69677d50b2b54b6cc4d71c7d5047b3bf
[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" "1b1fb65d5c483b8e72b1bd41d18637af69677d50b2b54b6cc4d71c7d5047b3bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[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 remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stdout] warning: unused imports: `ArrayLength`, `String`, `Vec`
[INFO] [stdout]  --> src/decoder.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use heapless::{String, Vec, ArrayLength};
[INFO] [stdout]   |                ^^^^^^  ^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `String`, `Vec`, `consts`
[INFO] [stdout]  --> src/publish.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use heapless::{String, Vec, consts};
[INFO] [stdout]   |                ^^^^^^  ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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 v0.6.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling rand v0.7.3
[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 v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ArrayLength`, `String`, `Vec`
[INFO] [stdout]  --> src/decoder.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use heapless::{String, Vec, ArrayLength};
[INFO] [stdout]   |                ^^^^^^  ^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `String`, `Vec`, `consts`
[INFO] [stdout]  --> src/publish.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use heapless::{String, Vec, consts};
[INFO] [stdout]   |                ^^^^^^  ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.22s
[INFO] running `Command { std: "docker" "inspect" "1b1fb65d5c483b8e72b1bd41d18637af69677d50b2b54b6cc4d71c7d5047b3bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b1fb65d5c483b8e72b1bd41d18637af69677d50b2b54b6cc4d71c7d5047b3bf", kill_on_drop: false }`
[INFO] [stdout] 1b1fb65d5c483b8e72b1bd41d18637af69677d50b2b54b6cc4d71c7d5047b3bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 099f32465c638ee6c67f0c7e941fb95607ca09fb022a3ee89fe7c173979adca3
[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" "099f32465c638ee6c67f0c7e941fb95607ca09fb022a3ee89fe7c173979adca3", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `ArrayLength`, `String`, `Vec`
[INFO] [stderr]  --> src/decoder.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use heapless::{String, Vec, ArrayLength};
[INFO] [stderr]   |                ^^^^^^  ^^^  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `String`, `Vec`, `consts`
[INFO] [stderr]  --> src/publish.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use heapless::{String, Vec, consts};
[INFO] [stderr]   |                ^^^^^^  ^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ArrayLength`, `String`, `Vec`
[INFO] [stderr]  --> src/decoder.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use heapless::{String, Vec, ArrayLength};
[INFO] [stderr]   |                ^^^^^^  ^^^  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `String`, `Vec`, `consts`
[INFO] [stderr]  --> src/publish.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use heapless::{String, Vec, consts};
[INFO] [stderr]   |                ^^^^^^  ^^^  ^^^^^^
[INFO] [stderr] 
[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] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mqttrs-a87e2aaff21c33cb)
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[INFO] [stdout] test decoder_test::inner_length_too_long ... 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::test_disconnect ... ok
[INFO] [stdout] test decoder_test::test_offset_start ... ignored
[INFO] [stdout] test decoder_test::header_firstbyte ... ok
[INFO] [stdout] test decoder_test::test_connect ... ok
[INFO] [stdout] test decoder_test::test_connack ... ok
[INFO] [stdout] test decoder_test::test_ping_resp ... ok
[INFO] [stdout] test decoder_test::test_pub_ack ... ok
[INFO] [stdout] test decoder_test::test_half_connect ... 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_ping_req ... ok
[INFO] [stdout] test decoder_test::test_pub_rel ... ok
[INFO] [stdout] test decoder_test::test_publish ... ignored
[INFO] [stdout] test decoder_test::test_unsub_ack ... ok
[INFO] [stdout] test decoder_test::test_suback ... ok
[INFO] [stdout] test decoder_test::test_unsubscribe ... ok
[INFO] [stdout] test decoder_test::test_subscribe ... ok
[INFO] [stdout] test encoder_test::test_connack ... ok
[INFO] [stdout] test encoder_test::test_ping_req ... ok
[INFO] [stdout] test encoder_test::test_ping_resp ... ok
[INFO] [stdout] test encoder_test::test_puback ... ok
[INFO] [stdout] test decoder_test::header_len ... ok
[INFO] [stdout] test encoder_test::test_pubrec ... ok
[INFO] [stdout] test encoder_test::test_disconnect ... ok
[INFO] [stdout] test encoder_test::test_pubcomp ... ok
[INFO] [stdout] test encoder_test::test_pubrel ... ok
[INFO] [stdout] test encoder_test::test_publish ... ok
[INFO] [stdout] test encoder_test::test_connect ... ok
[INFO] [stdout] test encoder_test::test_suback ... ok
[INFO] [stdout] test encoder_test::test_unsuback ... ok
[INFO] [stdout] test encoder_test::test_subscribe ... ok
[INFO] [stdout] test encoder_test::test_unsubscribe ... ok
[INFO] [stdout] test encoder_test::test_write_zero ... ok
[INFO] [stdout] test utils::test::pid_add_sub ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mqttrs
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/encoder.rs - encoder::encode_slice (line 5) ... ok
[INFO] [stdout] test src/packet.rs - packet::Packet (line 8) ... ok
[INFO] [stdout] test src/decoder.rs - decoder::clone_packet (line 12) ... ok
[INFO] [stdout] test src/utils.rs - utils::Pid (line 85) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "099f32465c638ee6c67f0c7e941fb95607ca09fb022a3ee89fe7c173979adca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "099f32465c638ee6c67f0c7e941fb95607ca09fb022a3ee89fe7c173979adca3", kill_on_drop: false }`
[INFO] [stdout] 099f32465c638ee6c67f0c7e941fb95607ca09fb022a3ee89fe7c173979adca3