[INFO] fetching crate walle_mqtt_protocol 0.1.15...
[INFO] testing walle_mqtt_protocol-0.1.15 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate walle_mqtt_protocol 0.1.15 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate walle_mqtt_protocol 0.1.15
[INFO] finished tweaking crates.io crate walle_mqtt_protocol 0.1.15
[INFO] tweaked toml for crates.io crate walle_mqtt_protocol 0.1.15 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate walle_mqtt_protocol 0.1.15 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate walle_mqtt_protocol 0.1.15 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fdef2b2df1940a827ed5de9fdb7b423afe6a33e0610067a95886a8d65feedb1
[INFO] running `Command { std: "docker" "start" "-a" "9fdef2b2df1940a827ed5de9fdb7b423afe6a33e0610067a95886a8d65feedb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fdef2b2df1940a827ed5de9fdb7b423afe6a33e0610067a95886a8d65feedb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fdef2b2df1940a827ed5de9fdb7b423afe6a33e0610067a95886a8d65feedb1", kill_on_drop: false }`
[INFO] [stdout] 9fdef2b2df1940a827ed5de9fdb7b423afe6a33e0610067a95886a8d65feedb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed6d2507bcd334c44c2f592369112f6cb9adf199ca2648c94b8f810c605458d3
[INFO] running `Command { std: "docker" "start" "-a" "ed6d2507bcd334c44c2f592369112f6cb9adf199ca2648c94b8f810c605458d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling bytes v1.10.0
[INFO] [stderr]    Compiling walle_mqtt_protocol v0.1.15 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `connect_flags` is never read
[INFO] [stdout]    --> src/v4/connect.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |             connect_flags |= login.write(buffer);
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `byte1` is never read
[INFO] [stdout]    --> src/v4/fixed_header.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |     let mut byte1: u8 = 0b0000_0000;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `resp` is never read
[INFO] [stdout]    --> src/v4/fixed_header.rs:522:13
[INFO] [stdout]     |
[INFO] [stdout] 522 |     let mut resp: usize = 0;
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `qos` is never read
[INFO] [stdout]    --> src/v4/builder.rs:538:5
[INFO] [stdout]     |
[INFO] [stdout] 537 | pub struct SubAckBuilder {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 538 |     qos: QoS,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fixed_header` is never read
[INFO] [stdout]   --> src/v4/pub_ack.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct PubAck {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 22 |     fixed_header: FixedHeader,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PubAck` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fixed_header` is never read
[INFO] [stdout]   --> src/v4/pub_comp.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct PubComp {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 20 |     fixed_header: FixedHeader,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PubComp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fixed_header` is never read
[INFO] [stdout]   --> src/v4/pub_rec.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct PubRec {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 20 |     fixed_header: FixedHeader,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PubRec` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fixed_header` is never read
[INFO] [stdout]   --> src/v4/pub_rel.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct PubRel {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 18 |     fixed_header: FixedHeader,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PubRel` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.86s
[INFO] running `Command { std: "docker" "inspect" "ed6d2507bcd334c44c2f592369112f6cb9adf199ca2648c94b8f810c605458d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed6d2507bcd334c44c2f592369112f6cb9adf199ca2648c94b8f810c605458d3", kill_on_drop: false }`
[INFO] [stdout] ed6d2507bcd334c44c2f592369112f6cb9adf199ca2648c94b8f810c605458d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be2ed2e61ff668e2435ecff318553093c5108b144c3a03a0b4f86758ac54f43c
[INFO] running `Command { std: "docker" "start" "-a" "be2ed2e61ff668e2435ecff318553093c5108b144c3a03a0b4f86758ac54f43c", kill_on_drop: false }`
[INFO] [stderr]    Compiling walle_mqtt_protocol v0.1.15 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `connect_flags` is never read
[INFO] [stdout]    --> src/v4/connect.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |             connect_flags |= login.write(buffer);
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `byte1` is never read
[INFO] [stdout]    --> src/v4/fixed_header.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |     let mut byte1: u8 = 0b0000_0000;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `resp` is never read
[INFO] [stdout]    --> src/v4/fixed_header.rs:522:13
[INFO] [stdout]     |
[INFO] [stdout] 522 |     let mut resp: usize = 0;
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `qos` is never read
[INFO] [stdout]    --> src/v4/builder.rs:538:5
[INFO] [stdout]     |
[INFO] [stdout] 537 | pub struct SubAckBuilder {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 538 |     qos: QoS,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fixed_header` is never read
[INFO] [stdout]   --> src/v4/pub_ack.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct PubAck {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 22 |     fixed_header: FixedHeader,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PubAck` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fixed_header` is never read
[INFO] [stdout]   --> src/v4/pub_comp.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct PubComp {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 20 |     fixed_header: FixedHeader,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PubComp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fixed_header` is never read
[INFO] [stdout]   --> src/v4/pub_rec.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct PubRec {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 20 |     fixed_header: FixedHeader,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PubRec` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fixed_header` is never read
[INFO] [stdout]   --> src/v4/pub_rel.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct PubRel {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 18 |     fixed_header: FixedHeader,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PubRel` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `connect_flags` is never read
[INFO] [stdout]    --> src/v4/connect.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |             connect_flags |= login.write(buffer);
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `byte1` is never read
[INFO] [stdout]    --> src/v4/fixed_header.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |     let mut byte1: u8 = 0b0000_0000;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `resp` is never read
[INFO] [stdout]    --> src/v4/fixed_header.rs:522:13
[INFO] [stdout]     |
[INFO] [stdout] 522 |     let mut resp: usize = 0;
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `qos` is never read
[INFO] [stdout]    --> src/v4/builder.rs:538:5
[INFO] [stdout]     |
[INFO] [stdout] 537 | pub struct SubAckBuilder {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 538 |     qos: QoS,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_fixed_header` is never used
[INFO] [stdout]    --> src/v4/connect.rs:474:8
[INFO] [stdout]     |
[INFO] [stdout] 474 |     fn build_fixed_header() -> Option<FixedHeader> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_connect_variable_header` is never used
[INFO] [stdout]    --> src/v4/connect.rs:488:8
[INFO] [stdout]     |
[INFO] [stdout] 488 |     fn build_connect_variable_header() -> Option<ConnectVariableHeader> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fixed_header` is never read
[INFO] [stdout]   --> src/v4/pub_ack.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct PubAck {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 22 |     fixed_header: FixedHeader,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PubAck` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fixed_header` is never read
[INFO] [stdout]   --> src/v4/pub_comp.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct PubComp {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 20 |     fixed_header: FixedHeader,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PubComp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fixed_header` is never read
[INFO] [stdout]   --> src/v4/pub_rec.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct PubRec {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 20 |     fixed_header: FixedHeader,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PubRec` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fixed_header` is never read
[INFO] [stdout]   --> src/v4/pub_rel.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct PubRel {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 18 |     fixed_header: FixedHeader,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PubRel` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "be2ed2e61ff668e2435ecff318553093c5108b144c3a03a0b4f86758ac54f43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be2ed2e61ff668e2435ecff318553093c5108b144c3a03a0b4f86758ac54f43c", kill_on_drop: false }`
[INFO] [stdout] be2ed2e61ff668e2435ecff318553093c5108b144c3a03a0b4f86758ac54f43c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e3556b99d748e946bbc8364ca4737a9442386b94f0ce1c597a98101d13aa4718
[INFO] running `Command { std: "docker" "start" "-a" "e3556b99d748e946bbc8364ca4737a9442386b94f0ce1c597a98101d13aa4718", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `connect_flags` is never read
[INFO] [stderr]    --> src/v4/connect.rs:113:13
[INFO] [stderr]     |
[INFO] [stderr] 113 |             connect_flags |= login.write(buffer);
[INFO] [stderr]     |             ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `byte1` is never read
[INFO] [stderr]    --> src/v4/fixed_header.rs:206:13
[INFO] [stderr]     |
[INFO] [stderr] 206 |     let mut byte1: u8 = 0b0000_0000;
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `resp` is never read
[INFO] [stderr]    --> src/v4/fixed_header.rs:522:13
[INFO] [stderr]     |
[INFO] [stderr] 522 |     let mut resp: usize = 0;
[INFO] [stderr]     |             ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: field `qos` is never read
[INFO] [stderr]    --> src/v4/builder.rs:538:5
[INFO] [stderr]     |
[INFO] [stderr] 537 | pub struct SubAckBuilder {
[INFO] [stderr]     |            ------------- field in this struct
[INFO] [stderr] 538 |     qos: QoS,
[INFO] [stderr]     |     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `fixed_header` is never read
[INFO] [stderr]   --> src/v4/pub_ack.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub struct PubAck {
[INFO] [stderr]    |            ------ field in this struct
[INFO] [stderr] 22 |     fixed_header: FixedHeader,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `PubAck` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `fixed_header` is never read
[INFO] [stderr]   --> src/v4/pub_comp.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub struct PubComp {
[INFO] [stderr]    |            ------- field in this struct
[INFO] [stderr] 20 |     fixed_header: FixedHeader,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `PubComp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `fixed_header` is never read
[INFO] [stderr]   --> src/v4/pub_rec.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub struct PubRec {
[INFO] [stderr]    |            ------ field in this struct
[INFO] [stderr] 20 |     fixed_header: FixedHeader,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `PubRec` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `fixed_header` is never read
[INFO] [stderr]   --> src/v4/pub_rel.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct PubRel {
[INFO] [stderr]    |            ------ field in this struct
[INFO] [stderr] 18 |     fixed_header: FixedHeader,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `PubRel` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: function `build_fixed_header` is never used
[INFO] [stderr]    --> src/v4/connect.rs:474:8
[INFO] [stderr]     |
[INFO] [stderr] 474 |     fn build_fixed_header() -> Option<FixedHeader> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `build_connect_variable_header` is never used
[INFO] [stderr]    --> src/v4/connect.rs:488:8
[INFO] [stderr]     |
[INFO] [stderr] 488 |     fn build_connect_variable_header() -> Option<ConnectVariableHeader> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `walle_mqtt_protocol` (lib) generated 8 warnings
[INFO] [stderr] warning: `walle_mqtt_protocol` (lib test) generated 10 warnings (8 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/walle_mqtt_protocol-12618dc34c8e8c93)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::test ... ok
[INFO] [stdout] test v4::builder::tests::build_connect_test ... ok
[INFO] [stdout] test v4::connect::tests::encode_and_decode_for_connect_should_be_work ... ok
[INFO] [stdout] test v4::conn_ack::tests::encode_and_decode_for_connack_should_be_work ... ok
[INFO] [stdout] test v4::fixed_header::tests::builder_should_work ... ok
[INFO] [stdout] test v4::ping_req::tests::test ... ok
[INFO] [stdout] test v4::publish::tests::creat_qos2_message_test ... ok
[INFO] [stdout] test v4::publish::tests::publish_to_bytes ... ok
[INFO] [stdout] test v4::sub_ack::tests::test ... ok
[INFO] [stdout] test v4::subscribe::tests::encode_and_decode_subscribe_shoud_be_work ... ok
[INFO] [stdout] test v4::un_subscribe::tests::encode_and_decode_subscribe_shoud_be_work ... ok
[INFO] [stdout] test v4::builder::tests::test ... ok
[INFO] [stdout] test v4::publish::tests::publish_to_bytes_test ... ok
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests walle_mqtt_protocol
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/v4/builder.rs - v4::builder::ConnectBuilder (line 78) ... ok
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e3556b99d748e946bbc8364ca4737a9442386b94f0ce1c597a98101d13aa4718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3556b99d748e946bbc8364ca4737a9442386b94f0ce1c597a98101d13aa4718", kill_on_drop: false }`
[INFO] [stdout] e3556b99d748e946bbc8364ca4737a9442386b94f0ce1c597a98101d13aa4718