[INFO] crate embedded-mqtt 0.1.0 is already in cache
[INFO] checking embedded-mqtt-0.1.0 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate embedded-mqtt 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate embedded-mqtt 0.1.0 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[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/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 725027e0d3a3f8a827feb3e171bc80c78e8f34fad81a7ba1229ce56f68902655
[INFO] running `"docker" "start" "-a" "725027e0d3a3f8a827feb3e171bc80c78e8f34fad81a7ba1229ce56f68902655"`
[INFO] [stderr]     Checking embedded-mqtt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/variable_header/connect.rs:187:13
[INFO] [stderr]     |
[INFO] [stderr] 187 |             (offset + o)
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/variable_header/connect.rs:191:13
[INFO] [stderr]     |
[INFO] [stderr] 191 |             (offset + o)
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/variable_header/connect.rs:195:13
[INFO] [stderr]     |
[INFO] [stderr] 195 |             (offset + o)
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/variable_header/connect.rs:199:13
[INFO] [stderr]     |
[INFO] [stderr] 199 |             (offset + o)
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `byteorder::WriteBytesExt`
[INFO] [stderr]   --> src/codec/string.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |     use byteorder::WriteBytesExt;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ no `WriteBytesExt` in the root
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/variable_header/connect.rs:187:13
[INFO] [stderr]     |
[INFO] [stderr] 187 |             (offset + o)
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/variable_header/connect.rs:191:13
[INFO] [stderr]     |
[INFO] [stderr] 191 |             (offset + o)
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/variable_header/connect.rs:195:13
[INFO] [stderr]     |
[INFO] [stderr] 195 |             (offset + o)
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/variable_header/connect.rs:199:13
[INFO] [stderr]     |
[INFO] [stderr] 199 |             (offset + o)
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write_u16` found for struct `std::io::Cursor<std::vec::Vec<_>>` in the current scope
[INFO] [stderr]    --> src/codec/string.rs:121:13
[INFO] [stderr]     |
[INFO] [stderr] 121 |         buf.write_u16::<BigEndian>(inp.len() as u16).unwrap();
[INFO] [stderr]     |             ^^^^^^^^^ this is an associated function, not a method
[INFO] [stderr]     |
[INFO] [stderr]     = note: found the following associated functions; to be used as methods, functions must have a `self` parameter
[INFO] [stderr] note: the candidate is defined in the trait `byteorder::ByteOrder`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/byteorder-1.3.4/src/lib.rs:394:5
[INFO] [stderr]     |
[INFO] [stderr] 394 |     fn write_u16(buf: &mut [u8], n: u16);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: use associated function syntax instead
[INFO] [stderr]     |
[INFO] [stderr] 121 |         std::io::Cursor::<std::vec::Vec<_>>::write_u16::<BigEndian>(inp.len() as u16).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: disambiguate the associated function for the candidate
[INFO] [stderr]     |
[INFO] [stderr] 121 |         byteorder::ByteOrder::write_u16(buf, inp.len() as u16).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write_u16` found for struct `std::io::Cursor<std::vec::Vec<_>>` in the current scope
[INFO] [stderr]    --> src/codec/string.rs:133:13
[INFO] [stderr]     |
[INFO] [stderr] 133 |         buf.write_u16::<BigEndian>(inp.len() as u16).unwrap();
[INFO] [stderr]     |             ^^^^^^^^^ this is an associated function, not a method
[INFO] [stderr]     |
[INFO] [stderr]     = note: found the following associated functions; to be used as methods, functions must have a `self` parameter
[INFO] [stderr] note: the candidate is defined in the trait `byteorder::ByteOrder`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/byteorder-1.3.4/src/lib.rs:394:5
[INFO] [stderr]     |
[INFO] [stderr] 394 |     fn write_u16(buf: &mut [u8], n: u16);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: use associated function syntax instead
[INFO] [stderr]     |
[INFO] [stderr] 133 |         std::io::Cursor::<std::vec::Vec<_>>::write_u16::<BigEndian>(inp.len() as u16).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: disambiguate the associated function for the candidate
[INFO] [stderr]     |
[INFO] [stderr] 133 |         byteorder::ByteOrder::write_u16(buf, inp.len() as u16).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write_u16` found for struct `std::io::Cursor<std::vec::Vec<_>>` in the current scope
[INFO] [stderr]    --> src/codec/string.rs:142:13
[INFO] [stderr]     |
[INFO] [stderr] 142 |         buf.write_u16::<BigEndian>(inp.len() as u16).unwrap();
[INFO] [stderr]     |             ^^^^^^^^^ this is an associated function, not a method
[INFO] [stderr]     |
[INFO] [stderr]     = note: found the following associated functions; to be used as methods, functions must have a `self` parameter
[INFO] [stderr] note: the candidate is defined in the trait `byteorder::ByteOrder`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/byteorder-1.3.4/src/lib.rs:394:5
[INFO] [stderr]     |
[INFO] [stderr] 394 |     fn write_u16(buf: &mut [u8], n: u16);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: use associated function syntax instead
[INFO] [stderr]     |
[INFO] [stderr] 142 |         std::io::Cursor::<std::vec::Vec<_>>::write_u16::<BigEndian>(inp.len() as u16).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: disambiguate the associated function for the candidate
[INFO] [stderr]     |
[INFO] [stderr] 142 |         byteorder::ByteOrder::write_u16(buf, inp.len() as u16).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors; 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `embedded-mqtt`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "725027e0d3a3f8a827feb3e171bc80c78e8f34fad81a7ba1229ce56f68902655"`
[INFO] running `"docker" "rm" "-f" "725027e0d3a3f8a827feb3e171bc80c78e8f34fad81a7ba1229ce56f68902655"`
[INFO] [stdout] 725027e0d3a3f8a827feb3e171bc80c78e8f34fad81a7ba1229ce56f68902655