[INFO] fetching crate embedded-mqtt 0.1.0...
[INFO] testing embedded-mqtt-0.1.0 against 1.69.0 for beta-1.70-1
[INFO] extracting crate embedded-mqtt 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate embedded-mqtt 0.1.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate embedded-mqtt 0.1.0
[INFO] finished tweaking crates.io crate embedded-mqtt 0.1.0
[INFO] tweaked toml for crates.io crate embedded-mqtt 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b877533424af84263ca44051dfaafa4b8d3c6db92bed05e2bfab7ccd150fe6ce
[INFO] running `Command { std: "docker" "start" "-a" "b877533424af84263ca44051dfaafa4b8d3c6db92bed05e2bfab7ccd150fe6ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b877533424af84263ca44051dfaafa4b8d3c6db92bed05e2bfab7ccd150fe6ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b877533424af84263ca44051dfaafa4b8d3c6db92bed05e2bfab7ccd150fe6ce", kill_on_drop: false }`
[INFO] [stdout] b877533424af84263ca44051dfaafa4b8d3c6db92bed05e2bfab7ccd150fe6ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25b084147b8d1066d4c991b76d6b1bf6f1305c4283f43d5efb09cce8123d8615
[INFO] running `Command { std: "docker" "start" "-a" "25b084147b8d1066d4c991b76d6b1bf6f1305c4283f43d5efb09cce8123d8615", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling embedded-mqtt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/variable_header/connect.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |             (offset + o)
[INFO] [stdout]     |             ^          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 187 -             (offset + o)
[INFO] [stdout] 187 +             offset + o
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/variable_header/connect.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |             (offset + o)
[INFO] [stdout]     |             ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 191 -             (offset + o)
[INFO] [stdout] 191 +             offset + o
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/variable_header/connect.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |             (offset + o)
[INFO] [stdout]     |             ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 195 -             (offset + o)
[INFO] [stdout] 195 +             offset + o
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/variable_header/connect.rs:199:13
[INFO] [stdout]     |
[INFO] [stdout] 199 |             (offset + o)
[INFO] [stdout]     |             ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 199 -             (offset + o)
[INFO] [stdout] 199 +             offset + o
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "25b084147b8d1066d4c991b76d6b1bf6f1305c4283f43d5efb09cce8123d8615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25b084147b8d1066d4c991b76d6b1bf6f1305c4283f43d5efb09cce8123d8615", kill_on_drop: false }`
[INFO] [stdout] 25b084147b8d1066d4c991b76d6b1bf6f1305c4283f43d5efb09cce8123d8615
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e92305fb8d08380b72cfdde6480b756c90a1ce9550078114d24a6444aa2fe59
[INFO] running `Command { std: "docker" "start" "-a" "5e92305fb8d08380b72cfdde6480b756c90a1ce9550078114d24a6444aa2fe59", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/variable_header/connect.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |             (offset + o)
[INFO] [stdout]     |             ^          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 187 -             (offset + o)
[INFO] [stdout] 187 +             offset + o
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/variable_header/connect.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |             (offset + o)
[INFO] [stdout]     |             ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 191 -             (offset + o)
[INFO] [stdout] 191 +             offset + o
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/variable_header/connect.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |             (offset + o)
[INFO] [stdout]     |             ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 195 -             (offset + o)
[INFO] [stdout] 195 +             offset + o
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/variable_header/connect.rs:199:13
[INFO] [stdout]     |
[INFO] [stdout] 199 |             (offset + o)
[INFO] [stdout]     |             ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 199 -             (offset + o)
[INFO] [stdout] 199 +             offset + o
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling embedded-mqtt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `byteorder::WriteBytesExt`
[INFO] [stdout]   --> src/codec/string.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     use byteorder::WriteBytesExt;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ no `WriteBytesExt` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/variable_header/connect.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |             (offset + o)
[INFO] [stdout]     |             ^          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 187 -             (offset + o)
[INFO] [stdout] 187 +             offset + o
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/variable_header/connect.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |             (offset + o)
[INFO] [stdout]     |             ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 191 -             (offset + o)
[INFO] [stdout] 191 +             offset + o
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/variable_header/connect.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |             (offset + o)
[INFO] [stdout]     |             ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 195 -             (offset + o)
[INFO] [stdout] 195 +             offset + o
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/variable_header/connect.rs:199:13
[INFO] [stdout]     |
[INFO] [stdout] 199 |             (offset + o)
[INFO] [stdout]     |             ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 199 -             (offset + o)
[INFO] [stdout] 199 +             offset + o
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_u16` found for struct `std::io::Cursor` in the current scope
[INFO] [stdout]    --> src/codec/string.rs:121:13
[INFO] [stdout]     |
[INFO] [stdout] 121 |         buf.write_u16::<BigEndian>(inp.len() as u16).unwrap();
[INFO] [stdout]     |         ----^^^^^^^^^-------------------------------
[INFO] [stdout]     |         |   |
[INFO] [stdout]     |         |   this is an associated function, not a method
[INFO] [stdout]     |         help: use associated function syntax instead: `std::io::Cursor<Vec<_>>::write_u16(inp.len() as u16)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: found the following associated functions; to be used as methods, functions must have a `self` parameter
[INFO] [stdout] note: the candidate is defined in the trait `ByteOrder`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/byteorder-1.4.3/src/lib.rs:383:5
[INFO] [stdout]     |
[INFO] [stdout] 383 |     fn write_u16(buf: &mut [u8], n: u16);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_u16` found for struct `std::io::Cursor` in the current scope
[INFO] [stdout]    --> src/codec/string.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 |         buf.write_u16::<BigEndian>(inp.len() as u16).unwrap();
[INFO] [stdout]     |         ----^^^^^^^^^-------------------------------
[INFO] [stdout]     |         |   |
[INFO] [stdout]     |         |   this is an associated function, not a method
[INFO] [stdout]     |         help: use associated function syntax instead: `std::io::Cursor<Vec<_>>::write_u16(inp.len() as u16)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: found the following associated functions; to be used as methods, functions must have a `self` parameter
[INFO] [stdout] note: the candidate is defined in the trait `ByteOrder`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/byteorder-1.4.3/src/lib.rs:383:5
[INFO] [stdout]     |
[INFO] [stdout] 383 |     fn write_u16(buf: &mut [u8], n: u16);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_u16` found for struct `std::io::Cursor` in the current scope
[INFO] [stdout]    --> src/codec/string.rs:142:13
[INFO] [stdout]     |
[INFO] [stdout] 142 |         buf.write_u16::<BigEndian>(inp.len() as u16).unwrap();
[INFO] [stdout]     |         ----^^^^^^^^^-------------------------------
[INFO] [stdout]     |         |   |
[INFO] [stdout]     |         |   this is an associated function, not a method
[INFO] [stdout]     |         help: use associated function syntax instead: `std::io::Cursor<Vec<_>>::write_u16(inp.len() as u16)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: found the following associated functions; to be used as methods, functions must have a `self` parameter
[INFO] [stdout] note: the candidate is defined in the trait `ByteOrder`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/byteorder-1.4.3/src/lib.rs:383:5
[INFO] [stdout]     |
[INFO] [stdout] 383 |     fn write_u16(buf: &mut [u8], n: u16);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `embedded-mqtt` due to 5 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5e92305fb8d08380b72cfdde6480b756c90a1ce9550078114d24a6444aa2fe59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e92305fb8d08380b72cfdde6480b756c90a1ce9550078114d24a6444aa2fe59", kill_on_drop: false }`
[INFO] [stdout] 5e92305fb8d08380b72cfdde6480b756c90a1ce9550078114d24a6444aa2fe59
