[INFO] fetching crate embedded-mqtt 0.1.0... [INFO] checking embedded-mqtt-0.1.0 against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376 [INFO] extracting crate embedded-mqtt 0.1.0 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate embedded-mqtt 0.1.0 on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "metadata" "--no-deps" "--format-version=1", 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] aab832d8097f9ee519b4cfe5b6045253baba8a3ed4136621c453f7630f87d4f1 [INFO] running `Command { std: "docker" "start" "-a" "aab832d8097f9ee519b4cfe5b6045253baba8a3ed4136621c453f7630f87d4f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aab832d8097f9ee519b4cfe5b6045253baba8a3ed4136621c453f7630f87d4f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aab832d8097f9ee519b4cfe5b6045253baba8a3ed4136621c453f7630f87d4f1", kill_on_drop: false }` [INFO] [stdout] aab832d8097f9ee519b4cfe5b6045253baba8a3ed4136621c453f7630f87d4f1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "check" "--frozen" "--all" "--all-targets" "--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] 34f4169438f129186c95ba0bcd8100b7ce92f65d1ac5bfa454eea816f7c92f3f [INFO] running `Command { std: "docker" "start" "-a" "34f4169438f129186c95ba0bcd8100b7ce92f65d1ac5bfa454eea816f7c92f3f", kill_on_drop: false }` [INFO] [stderr] Compiling const_fn v0.4.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.0 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Checking embedded-mqtt v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking num_cpus v1.13.0 [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] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [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] | ^^^^^^^^^^^^ help: remove these parentheses [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] | ^^^^^^^^^^^^ help: remove these parentheses [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] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking crossbeam-epoch v0.9.0 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [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] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [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] | ^^^^^^^^^^^^ help: remove these parentheses [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] | ^^^^^^^^^^^^ help: remove these parentheses [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] | ^^^^^^^^^^^^ help: remove these parentheses [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::(inp.len() as u16).unwrap(); [INFO] [stdout] | ^^^^^^^^^ this is an associated function, not a method [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-1.3.4/src/lib.rs:394:5 [INFO] [stdout] | [INFO] [stdout] 394 | fn write_u16(buf: &mut [u8], n: u16); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: use associated function syntax instead [INFO] [stdout] | [INFO] [stdout] 121 | std::io::Cursor::>::write_u16::(inp.len() as u16).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: disambiguate the associated function for the candidate [INFO] [stdout] | [INFO] [stdout] 121 | ByteOrder::write_u16(buf, inp.len() as u16).unwrap(); [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::(inp.len() as u16).unwrap(); [INFO] [stdout] | ^^^^^^^^^ this is an associated function, not a method [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-1.3.4/src/lib.rs:394:5 [INFO] [stdout] | [INFO] [stdout] 394 | fn write_u16(buf: &mut [u8], n: u16); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: use associated function syntax instead [INFO] [stdout] | [INFO] [stdout] 133 | std::io::Cursor::>::write_u16::(inp.len() as u16).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: disambiguate the associated function for the candidate [INFO] [stdout] | [INFO] [stdout] 133 | ByteOrder::write_u16(buf, inp.len() as u16).unwrap(); [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::(inp.len() as u16).unwrap(); [INFO] [stdout] | ^^^^^^^^^ this is an associated function, not a method [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-1.3.4/src/lib.rs:394:5 [INFO] [stdout] | [INFO] [stdout] 394 | fn write_u16(buf: &mut [u8], n: u16); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: use associated function syntax instead [INFO] [stdout] | [INFO] [stdout] 142 | std::io::Cursor::>::write_u16::(inp.len() as u16).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: disambiguate the associated function for the candidate [INFO] [stdout] | [INFO] [stdout] 142 | ByteOrder::write_u16(buf, inp.len() as u16).unwrap(); [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` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "34f4169438f129186c95ba0bcd8100b7ce92f65d1ac5bfa454eea816f7c92f3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34f4169438f129186c95ba0bcd8100b7ce92f65d1ac5bfa454eea816f7c92f3f", kill_on_drop: false }` [INFO] [stdout] 34f4169438f129186c95ba0bcd8100b7ce92f65d1ac5bfa454eea816f7c92f3f