[INFO] fetching crate ddsi_log_parser 0.1.2...
[INFO] testing ddsi_log_parser-0.1.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate ddsi_log_parser 0.1.2 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate ddsi_log_parser 0.1.2
[INFO] finished tweaking crates.io crate ddsi_log_parser 0.1.2
[INFO] tweaked toml for crates.io crate ddsi_log_parser 0.1.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ddsi_log_parser 0.1.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ddsi_log_parser 0.1.2 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]    Compiling ddsi_log_parser v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `regex::Captures`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use regex::Captures;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/lib.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{self, prelude::*, BufReader};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_capture` is never used
[INFO] [stdout]   --> src/ddsi_log_regex.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl<'a> DdsiLogType<'a> {
[INFO] [stdout]    | ------------------------ method in this implementation
[INFO] [stdout] 22 |     pub fn get_capture(&self) -> &Captures<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_match` is never used
[INFO] [stdout]    --> src/ddsi_log_regex.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout]  61 | impl DdsiLogRegex {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 199 |     pub fn is_match(&self, text: &str) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_system_id` is never used
[INFO] [stdout]   --> src/ddsi_participant.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl DdsiParticipant {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn get_system_id(&self) -> &String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |             ddsi_topology.update(dds_log_type);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |             let _ = ddsi_topology.update(dds_log_type);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ddsi_participant.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |         state.serialize_field("system_id", &self.system_id);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 215 |         let _ = state.serialize_field("system_id", &self.system_id);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ddsi_participant.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |         state.serialize_field("hostname", &self.hostname);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 216 |         let _ = state.serialize_field("hostname", &self.hostname);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ddsi_participant.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 217 |         state.serialize_field("readers", &self.readers);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 217 |         let _ = state.serialize_field("readers", &self.readers);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ddsi_participant.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |         state.serialize_field("writers", &self.writers);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 218 |         let _ = state.serialize_field("writers", &self.writers);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ddsi_participant.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |         state.serialize_field("is_master", &self.is_master);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 219 |         let _ = state.serialize_field("is_master", &self.is_master);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ddsi_participant.rs:220:9
[INFO] [stdout]     |
[INFO] [stdout] 220 |         state.serialize_field("master_id", &self.master_id);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 220 |         let _ = state.serialize_field("master_id", &self.master_id);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ddsi_participant.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |         state.serialize_field("topic", &self.topic);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 232 |         let _ = state.serialize_field("topic", &self.topic);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ddsi_participant.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |         state.serialize_field("partition", &self.partition);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 233 |         let _ = state.serialize_field("partition", &self.partition);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ddsi_participant.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |         state.serialize_field("created", &self.created);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 234 |         let _ = state.serialize_field("created", &self.created);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ddsi_participant.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |         state.serialize_field("deleted", &self.deleted);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 235 |         let _ = state.serialize_field("deleted", &self.deleted);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log`
[INFO] [stdout]  --> src/bin/ddsi_log_parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.13s
[INFO] running `Command { std: "docker" "inspect" "192b7654e0173253825c62a2f794af8ce7c6de34c3526a4ff8ff1d4cb718ae2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "192b7654e0173253825c62a2f794af8ce7c6de34c3526a4ff8ff1d4cb718ae2c", kill_on_drop: false }`
[INFO] [stdout] 192b7654e0173253825c62a2f794af8ce7c6de34c3526a4ff8ff1d4cb718ae2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fb4b56058e69e8e55f6d433b7ab29906b240b503d73b3bcc1500830a4b833b2
[INFO] running `Command { std: "docker" "start" "-a" "9fb4b56058e69e8e55f6d433b7ab29906b240b503d73b3bcc1500830a4b833b2", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `regex::Captures`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use regex::Captures;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/lib.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{self, prelude::*, BufReader};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_capture` is never used
[INFO] [stdout]   --> src/ddsi_log_regex.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl<'a> DdsiLogType<'a> {
[INFO] [stdout]    | ------------------------ method in this implementation
[INFO] [stdout] 22 |     pub fn get_capture(&self) -> &Captures<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ddsi_log_parser v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `is_match` is never used
[INFO] [stdout]    --> src/ddsi_log_regex.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout]  61 | impl DdsiLogRegex {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 199 |     pub fn is_match(&self, text: &str) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_system_id` is never used
[INFO] [stdout]   --> src/ddsi_participant.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl DdsiParticipant {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn get_system_id(&self) -> &String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |             ddsi_topology.update(dds_log_type);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |             let _ = ddsi_topology.update(dds_log_type);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ddsi_participant.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |         state.serialize_field("system_id", &self.system_id);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 215 |         let _ = state.serialize_field("system_id", &self.system_id);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ddsi_participant.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |         state.serialize_field("hostname", &self.hostname);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 216 |         let _ = state.serialize_field("hostname", &self.hostname);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ddsi_participant.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 217 |         state.serialize_field("readers", &self.readers);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 217 |         let _ = state.serialize_field("readers", &self.readers);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ddsi_participant.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |         state.serialize_field("writers", &self.writers);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 218 |         let _ = state.serialize_field("writers", &self.writers);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ddsi_participant.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |         state.serialize_field("is_master", &self.is_master);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 219 |         let _ = state.serialize_field("is_master", &self.is_master);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ddsi_participant.rs:220:9
[INFO] [stdout]     |
[INFO] [stdout] 220 |         state.serialize_field("master_id", &self.master_id);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 220 |         let _ = state.serialize_field("master_id", &self.master_id);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ddsi_participant.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |         state.serialize_field("topic", &self.topic);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 232 |         let _ = state.serialize_field("topic", &self.topic);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ddsi_participant.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |         state.serialize_field("partition", &self.partition);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 233 |         let _ = state.serialize_field("partition", &self.partition);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ddsi_participant.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |         state.serialize_field("created", &self.created);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 234 |         let _ = state.serialize_field("created", &self.created);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ddsi_participant.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |         state.serialize_field("deleted", &self.deleted);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 235 |         let _ = state.serialize_field("deleted", &self.deleted);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log`
[INFO] [stdout]  --> src/bin/ddsi_log_parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `regex::Captures`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use regex::Captures;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/lib.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{self, prelude::*, BufReader};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_match` is never used
[INFO] [stdout]    --> src/ddsi_log_regex.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout]  61 | impl DdsiLogRegex {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 199 |     pub fn is_match(&self, text: &str) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_system_id` is never used
[INFO] [stdout]   --> src/ddsi_participant.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl DdsiParticipant {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn get_system_id(&self) -> &String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |             ddsi_topology.update(dds_log_type);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |             let _ = ddsi_topology.update(dds_log_type);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ddsi_participant.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |         state.serialize_field("system_id", &self.system_id);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 215 |         let _ = state.serialize_field("system_id", &self.system_id);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ddsi_participant.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |         state.serialize_field("hostname", &self.hostname);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 216 |         let _ = state.serialize_field("hostname", &self.hostname);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ddsi_participant.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 217 |         state.serialize_field("readers", &self.readers);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 217 |         let _ = state.serialize_field("readers", &self.readers);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ddsi_participant.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |         state.serialize_field("writers", &self.writers);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 218 |         let _ = state.serialize_field("writers", &self.writers);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ddsi_participant.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |         state.serialize_field("is_master", &self.is_master);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 219 |         let _ = state.serialize_field("is_master", &self.is_master);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ddsi_participant.rs:220:9
[INFO] [stdout]     |
[INFO] [stdout] 220 |         state.serialize_field("master_id", &self.master_id);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 220 |         let _ = state.serialize_field("master_id", &self.master_id);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ddsi_participant.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |         state.serialize_field("topic", &self.topic);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 232 |         let _ = state.serialize_field("topic", &self.topic);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ddsi_participant.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |         state.serialize_field("partition", &self.partition);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 233 |         let _ = state.serialize_field("partition", &self.partition);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ddsi_participant.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |         state.serialize_field("created", &self.created);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 234 |         let _ = state.serialize_field("created", &self.created);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ddsi_participant.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |         state.serialize_field("deleted", &self.deleted);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 235 |         let _ = state.serialize_field("deleted", &self.deleted);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "9fb4b56058e69e8e55f6d433b7ab29906b240b503d73b3bcc1500830a4b833b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fb4b56058e69e8e55f6d433b7ab29906b240b503d73b3bcc1500830a4b833b2", kill_on_drop: false }`
[INFO] [stdout] 9fb4b56058e69e8e55f6d433b7ab29906b240b503d73b3bcc1500830a4b833b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6894a9ef4969a1ba570340ec578ff3e4c074b186a0a3906b1a7fb64ebcbe1d83
[INFO] running `Command { std: "docker" "start" "-a" "6894a9ef4969a1ba570340ec578ff3e4c074b186a0a3906b1a7fb64ebcbe1d83", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `regex::Captures`
[INFO] [stderr]  --> src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use regex::Captures;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/lib.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/lib.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::{self, prelude::*, BufReader};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_capture` is never used
[INFO] [stderr]   --> src/ddsi_log_regex.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 21 | impl<'a> DdsiLogType<'a> {
[INFO] [stderr]    | ------------------------ method in this implementation
[INFO] [stderr] 22 |     pub fn get_capture(&self) -> &Captures<'a> {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_match` is never used
[INFO] [stderr]    --> src/ddsi_log_regex.rs:199:12
[INFO] [stderr]     |
[INFO] [stderr]  61 | impl DdsiLogRegex {
[INFO] [stderr]     | ----------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 199 |     pub fn is_match(&self, text: &str) -> bool {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_system_id` is never used
[INFO] [stderr]   --> src/ddsi_participant.rs:57:12
[INFO] [stderr]    |
[INFO] [stderr] 44 | impl DdsiParticipant {
[INFO] [stderr]    | -------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 57 |     pub fn get_system_id(&self) -> &String {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |             ddsi_topology.update(dds_log_type);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 64 |             let _ = ddsi_topology.update(dds_log_type);
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/ddsi_participant.rs:215:9
[INFO] [stderr]     |
[INFO] [stderr] 215 |         state.serialize_field("system_id", &self.system_id);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 215 |         let _ = state.serialize_field("system_id", &self.system_id);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/ddsi_participant.rs:216:9
[INFO] [stderr]     |
[INFO] [stderr] 216 |         state.serialize_field("hostname", &self.hostname);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 216 |         let _ = state.serialize_field("hostname", &self.hostname);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/ddsi_participant.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |         state.serialize_field("readers", &self.readers);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 217 |         let _ = state.serialize_field("readers", &self.readers);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/ddsi_participant.rs:218:9
[INFO] [stderr]     |
[INFO] [stderr] 218 |         state.serialize_field("writers", &self.writers);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 218 |         let _ = state.serialize_field("writers", &self.writers);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/ddsi_participant.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 |         state.serialize_field("is_master", &self.is_master);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 219 |         let _ = state.serialize_field("is_master", &self.is_master);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/ddsi_participant.rs:220:9
[INFO] [stderr]     |
[INFO] [stderr] 220 |         state.serialize_field("master_id", &self.master_id);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 220 |         let _ = state.serialize_field("master_id", &self.master_id);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/ddsi_participant.rs:232:9
[INFO] [stderr]     |
[INFO] [stderr] 232 |         state.serialize_field("topic", &self.topic);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 232 |         let _ = state.serialize_field("topic", &self.topic);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/ddsi_participant.rs:233:9
[INFO] [stderr]     |
[INFO] [stderr] 233 |         state.serialize_field("partition", &self.partition);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 233 |         let _ = state.serialize_field("partition", &self.partition);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/ddsi_participant.rs:234:9
[INFO] [stderr]     |
[INFO] [stderr] 234 |         state.serialize_field("created", &self.created);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 234 |         let _ = state.serialize_field("created", &self.created);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/ddsi_participant.rs:235:9
[INFO] [stderr]     |
[INFO] [stderr] 235 |         state.serialize_field("deleted", &self.deleted);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 235 |         let _ = state.serialize_field("deleted", &self.deleted);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_match` is never used
[INFO] [stderr]    --> src/ddsi_log_regex.rs:199:12
[INFO] [stderr]     |
[INFO] [stderr]  61 | impl DdsiLogRegex {
[INFO] [stderr]     | ----------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 199 |     pub fn is_match(&self, text: &str) -> bool {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ddsi_log_parser` (lib) generated 17 warnings (run `cargo fix --lib -p ddsi_log_parser` to apply 3 suggestions)
[INFO] [stderr] warning: `ddsi_log_parser` (lib test) generated 16 warnings (15 duplicates)
[INFO] [stderr] warning: unused import: `log`
[INFO] [stderr]  --> src/bin/ddsi_log_parser.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use log;
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ddsi_log_parser` (bin "ddsi_log_parser" test) generated 1 warning (run `cargo fix --bin "ddsi_log_parser" -p ddsi_log_parser --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ddsi_log_parser-616f9e8a469efa64)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test ddsi_log_regex::tests::parse_no_match - should panic ... ok
[INFO] [stdout] test ddsi_log_regex::tests::dds_log_regex_handle_participants_self ... ok
[INFO] [stdout] test ddsi_log_regex::tests::reader_sedp_st3 ... ok
[INFO] [stdout] test ddsi_log_regex::tests::own_ip ... ok
[INFO] [stdout] test ddsi_log_regex::tests::dds_log_regex_writer_sedp_st0 ... ok
[INFO] [stdout] test ddsi_log_regex::tests::writer_sedp_st3 ... ok
[INFO] [stdout] test ddsi_log_regex::tests::dds_log_regex_writer_qos ... ok
[INFO] [stdout] test ddsi_log_regex::tests::dds_log_regex_reader_qos ... ok
[INFO] [stdout] test ddsi_log_regex::tests::dds_log_regex_reliable_volatile_reader_sedp_st0 ... ok
[INFO] [stdout] test ddsi_log_regex::tests::dds_log_regex_reader_sedp_st0 ... ok
[INFO] [stdout] test ddsi_log_regex::tests::parse_match ... ok
[INFO] [stderr]      Running unittests src/bin/ddsi_log_parser.rs (/opt/rustwide/target/debug/deps/ddsi_log_parser-22214f70e23f2c9d)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ddsi_log_parser
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.92s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6894a9ef4969a1ba570340ec578ff3e4c074b186a0a3906b1a7fb64ebcbe1d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6894a9ef4969a1ba570340ec578ff3e4c074b186a0a3906b1a7fb64ebcbe1d83", kill_on_drop: false }`
[INFO] [stdout] 6894a9ef4969a1ba570340ec578ff3e4c074b186a0a3906b1a7fb64ebcbe1d83
