[INFO] fetching crate mqttrs 0.4.0...
[INFO] testing mqttrs-0.4.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate mqttrs 0.4.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate mqttrs 0.4.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded heapless v0.5.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2885ddbf06a82b2d2a4206b45ef0641131f7255b7eb5c8f77ead112f2841127
[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" "a2885ddbf06a82b2d2a4206b45ef0641131f7255b7eb5c8f77ead112f2841127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2885ddbf06a82b2d2a4206b45ef0641131f7255b7eb5c8f77ead112f2841127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2885ddbf06a82b2d2a4206b45ef0641131f7255b7eb5c8f77ead112f2841127", kill_on_drop: false }`
[INFO] [stdout] a2885ddbf06a82b2d2a4206b45ef0641131f7255b7eb5c8f77ead112f2841127
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc66e312910c91fb2e53d5957a03fb003b41ad47f9fa3f1bc4a0ac2e9a66d767
[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" "dc66e312910c91fb2e53d5957a03fb003b41ad47f9fa3f1bc4a0ac2e9a66d767", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling hash32 v0.1.1
[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 3.80s
[INFO] running `Command { std: "docker" "inspect" "dc66e312910c91fb2e53d5957a03fb003b41ad47f9fa3f1bc4a0ac2e9a66d767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc66e312910c91fb2e53d5957a03fb003b41ad47f9fa3f1bc4a0ac2e9a66d767", kill_on_drop: false }`
[INFO] [stdout] dc66e312910c91fb2e53d5957a03fb003b41ad47f9fa3f1bc4a0ac2e9a66d767
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59dbda56801693545e3f0643dddb8df8776745cdd69420257059cafe9dc65f28
[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" "59dbda56801693545e3f0643dddb8df8776745cdd69420257059cafe9dc65f28", kill_on_drop: false }`
[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 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 12.14s
[INFO] running `Command { std: "docker" "inspect" "59dbda56801693545e3f0643dddb8df8776745cdd69420257059cafe9dc65f28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59dbda56801693545e3f0643dddb8df8776745cdd69420257059cafe9dc65f28", kill_on_drop: false }`
[INFO] [stdout] 59dbda56801693545e3f0643dddb8df8776745cdd69420257059cafe9dc65f28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 54ce095b1304da57c9f4edee4a53499bda5a47c51af9a864ef047ccfd72deeca
[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" "54ce095b1304da57c9f4edee4a53499bda5a47c51af9a864ef047ccfd72deeca", 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 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mqttrs-c6078587eb8c7d42
[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::non_utf8_string ... ok
[INFO] [stdout] test decoder_test::test_publish ... ignored
[INFO] [stdout] test decoder_test::test_ping_resp ... ok
[INFO] [stdout] test decoder_test::test_pub_ack ... ok
[INFO] [stdout] test decoder_test::test_ping_req ... ok
[INFO] [stdout] test decoder_test::test_unsub_ack ... 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 encoder_test::test_ping_req ... ok
[INFO] [stdout] test encoder_test::test_ping_resp ... ok
[INFO] [stdout] test encoder_test::test_pubcomp ... 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] [stdout] test encoder_test::test_unsuback ... 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] test decoder_test::test_connack ... ok
[INFO] [stdout] test decoder_test::test_half_connect ... ok
[INFO] [stdout] test decoder_test::test_disconnect ... ok
[INFO] [stdout] test decoder_test::inner_length_too_long ... ok
[INFO] [stdout] test decoder_test::test_connect ... ok
[INFO] [stdout] test decoder_test::test_connect_wrong_version ... ok
[INFO] [stdout] test decoder_test::header_len ... ok
[INFO] [stdout] test encoder_test::test_puback ... ok
[INFO] [stdout] test decoder_test::test_pub_comp ... ok
[INFO] [stdout] test decoder_test::test_pub_rec ... ok
[INFO] [stdout] test encoder_test::test_publish ... ok
[INFO] [stdout] test encoder_test::test_pubrec ... ok
[INFO] [stdout] test decoder_test::test_suback ... ok
[INFO] [stdout] test decoder_test::test_subscribe ... ok
[INFO] [stdout] test decoder_test::test_pub_rel ... 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] [stderr]    Doc-tests mqttrs
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/packet.rs - packet::Packet (line 8) ... ok
[INFO] [stdout] test src/utils.rs - utils::Pid (line 85) ... ok
[INFO] [stdout] test src/encoder.rs - encoder::encode_slice (line 5) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/decoder.rs - decoder::clone_packet (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.15s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "54ce095b1304da57c9f4edee4a53499bda5a47c51af9a864ef047ccfd72deeca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54ce095b1304da57c9f4edee4a53499bda5a47c51af9a864ef047ccfd72deeca", kill_on_drop: false }`
[INFO] [stdout] 54ce095b1304da57c9f4edee4a53499bda5a47c51af9a864ef047ccfd72deeca