[INFO] fetching crate forester-rs 0.4.1... [INFO] checking forester-rs-0.4.1 against try#9961e55b3687a6d0b2bab4af0e5e81494b09be81 for pr-139087-1 [INFO] extracting crate forester-rs 0.4.1 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate forester-rs 0.4.1 [INFO] finished tweaking crates.io crate forester-rs 0.4.1 [INFO] tweaked toml for crates.io crate forester-rs 0.4.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate forester-rs 0.4.1 on toolchain 9961e55b3687a6d0b2bab4af0e5e81494b09be81 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9961e55b3687a6d0b2bab4af0e5e81494b09be81" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9961e55b3687a6d0b2bab4af0e5e81494b09be81" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 282 packages to latest compatible versions [INFO] [stderr] Adding axum v0.6.20 (available: v0.8.8) [INFO] [stderr] Adding generic-array v0.14.7 (available: v0.14.9) [INFO] [stderr] Adding hyper v0.14.32 (available: v1.8.1) [INFO] [stderr] Adding itertools v0.12.1 (available: v0.14.0) [INFO] [stderr] Adding logos v0.13.0 (available: v0.16.1) [INFO] [stderr] Adding quick-xml v0.31.0 (available: v0.39.2) [INFO] [stderr] Adding reqwest v0.11.27 (available: v0.13.2) [INFO] [stderr] Adding strum v0.26.3 (available: v0.28.0) [INFO] [stderr] Adding strum_macros v0.26.4 (available: v0.28.0) [INFO] [stderr] Adding tungstenite v0.21.0 (available: v0.29.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9961e55b3687a6d0b2bab4af0e5e81494b09be81" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9961e55b3687a6d0b2bab4af0e5e81494b09be81" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 980737c562b5ee96be166fa796e979e218f8ad39c2fea5c5efbcbeb1d1b1640a [INFO] running `Command { std: "docker" "start" "-a" "980737c562b5ee96be166fa796e979e218f8ad39c2fea5c5efbcbeb1d1b1640a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "980737c562b5ee96be166fa796e979e218f8ad39c2fea5c5efbcbeb1d1b1640a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "980737c562b5ee96be166fa796e979e218f8ad39c2fea5c5efbcbeb1d1b1640a", kill_on_drop: false }` [INFO] [stdout] 980737c562b5ee96be166fa796e979e218f8ad39c2fea5c5efbcbeb1d1b1640a [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9961e55b3687a6d0b2bab4af0e5e81494b09be81" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7cf4b65a3f4f9245554e7d389c0d2749eaab0aa3da6a2e376473f74eeff42229 [INFO] running `Command { std: "docker" "start" "-a" "7cf4b65a3f4f9245554e7d389c0d2749eaab0aa3da6a2e376473f74eeff42229", kill_on_drop: false }` [INFO] [stderr] Checking tracing-core v0.1.36 [INFO] [stderr] Compiling cc v1.2.57 [INFO] [stderr] Checking mio v1.1.1 [INFO] [stderr] Compiling zerocopy v0.8.47 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Checking futures-util v0.3.32 [INFO] [stderr] Checking http v0.2.12 [INFO] [stderr] Checking http v1.4.0 [INFO] [stderr] Compiling openssl v0.10.76 [INFO] [stderr] Compiling serde_json v1.0.149 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling native-tls v0.2.18 [INFO] [stderr] Compiling getrandom v0.3.4 [INFO] [stderr] Checking socket2 v0.5.10 [INFO] [stderr] Checking openssl-probe v0.2.1 [INFO] [stderr] Checking regex-automata v0.4.14 [INFO] [stderr] Checking getrandom v0.2.17 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling dot-structures v0.1.2 [INFO] [stderr] Compiling rustix v1.1.4 [INFO] [stderr] Compiling getrandom v0.4.2 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking tokio v1.50.0 [INFO] [stderr] Compiling beef v0.5.2 [INFO] [stderr] Checking rand_core v0.9.5 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling axum-core v0.3.4 [INFO] [stderr] Compiling pin-project-internal v1.1.11 [INFO] [stderr] Checking base64 v0.21.7 [INFO] [stderr] Checking sync_wrapper v0.1.2 [INFO] [stderr] Checking tracing v0.1.44 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking anstyle-parse v1.0.0 [INFO] [stderr] Checking http-body v0.4.6 [INFO] [stderr] Checking rustls-pemfile v1.0.4 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Compiling pest_generator v2.8.6 [INFO] [stderr] Compiling dot-generator v0.2.0 [INFO] [stderr] Compiling into-attr v0.1.1 [INFO] [stderr] Compiling axum v0.6.20 [INFO] [stderr] Checking http-body v1.0.1 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Checking encoding_rs v0.8.35 [INFO] [stderr] Checking colorchoice v1.0.5 [INFO] [stderr] Checking anstyle v1.0.14 [INFO] [stderr] Checking ucd-trie v0.1.7 [INFO] [stderr] Checking sha1 v0.10.6 [INFO] [stderr] Checking pest v2.8.6 [INFO] [stderr] Checking anstream v1.0.0 [INFO] [stderr] Checking serde_path_to_error v0.1.20 [INFO] [stderr] Checking data-encoding v2.10.0 [INFO] [stderr] Checking jiff v0.2.23 [INFO] [stderr] Checking unsafe-libyaml v0.2.11 [INFO] [stderr] Checking pin-project v1.1.11 [INFO] [stderr] Compiling pest_derive v2.8.6 [INFO] [stderr] Checking matchit v0.7.3 [INFO] [stderr] Checking utf-8 v0.7.6 [INFO] [stderr] Checking chrono v0.4.44 [INFO] [stderr] Compiling openssl-sys v0.9.112 [INFO] [stderr] Compiling strum_macros v0.26.4 [INFO] [stderr] Checking itertools v0.12.1 [INFO] [stderr] Compiling logos-codegen v0.13.0 [INFO] [stderr] Checking tempfile v3.27.0 [INFO] [stderr] Checking serde_yaml v0.9.34+deprecated [INFO] [stderr] Checking thiserror v1.0.69 [INFO] [stderr] Checking assert-json-diff v2.0.2 [INFO] [stderr] Checking http-body-util v0.1.3 [INFO] [stderr] Checking regex v1.12.3 [INFO] [stderr] Checking quick-xml v0.31.0 [INFO] [stderr] Checking strum v0.26.3 [INFO] [stderr] Checking env_filter v1.0.1 [INFO] [stderr] Compiling into-attr-derive v0.2.1 [INFO] [stderr] Checking futures-executor v0.3.32 [INFO] [stderr] Checking futures v0.3.32 [INFO] [stderr] Compiling logos-derive v0.13.0 [INFO] [stderr] Checking logos v0.13.0 [INFO] [stderr] Checking parsit v0.2.0 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking env_logger v0.11.10 [INFO] [stderr] Checking rand_chacha v0.9.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.9.2 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking tokio-util v0.7.18 [INFO] [stderr] Checking tower v0.4.13 [INFO] [stderr] Checking deadpool v0.12.3 [INFO] [stderr] Checking graphviz-rust v0.9.7 [INFO] [stderr] Checking h2 v0.3.27 [INFO] [stderr] Checking h2 v0.4.13 [INFO] [stderr] Checking tungstenite v0.21.0 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking hyper v0.14.32 [INFO] [stderr] Checking hyper v1.8.1 [INFO] [stderr] Checking hyper-util v0.1.20 [INFO] [stderr] Checking wiremock v0.6.5 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.27 [INFO] [stderr] Checking forester-http v0.1.0 [INFO] [stderr] Checking forester-rs v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `format` [INFO] [stdout] --> src/runtime/args.rs:17:16 [INFO] [stdout] | [INFO] [stdout] 17 | use std::fmt::{format, Display, Formatter}; [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: `super::rtree::rnode::RNode` [INFO] [stdout] --> src/runtime/context.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use super::rtree::rnode::RNode; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `format` [INFO] [stdout] --> src/runtime/args.rs:17:16 [INFO] [stdout] | [INFO] [stdout] 17 | use std::fmt::{format, Display, Formatter}; [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: `super::rtree::rnode::RNode` [INFO] [stdout] --> src/runtime/context.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use super::rtree::rnode::RNode; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::tests::turn_on_logs` [INFO] [stdout] --> src/runtime/rtree.rs:289:9 [INFO] [stdout] | [INFO] [stdout] 289 | use crate::tests::turn_on_logs; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Impl` [INFO] [stdout] --> src/tests/actions_re.rs:2:30 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::runtime::action::{Impl, ImplRemote}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Impl` [INFO] [stdout] --> src/tests/trimmer.rs:2:30 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::runtime::action::{Impl}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ServiceExt` [INFO] [stdout] --> src/tests/simulator.rs:14:26 [INFO] [stdout] | [INFO] [stdout] 14 | use axum::{Json, Router, ServiceExt}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get` is never used [INFO] [stdout] --> src/runtime/builder.rs:488:8 [INFO] [stdout] | [INFO] [stdout] 481 | impl ServerPort { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 488 | fn get(&self) -> u16 { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `client` is never read [INFO] [stdout] --> src/runtime/forester/serv.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 34 | pub struct HttpServ { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 37 | client: Client, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `HttpServ` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `buf_size` is never read [INFO] [stdout] --> src/runtime/ros.rs:142:5 [INFO] [stdout] | [INFO] [stdout] 140 | pub struct TargetCfg { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 141 | tp: String, [INFO] [stdout] 142 | buf_size: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TargetCfg` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `tp` and `msg` are never read [INFO] [stdout] --> src/runtime/ros.rs:166:5 [INFO] [stdout] | [INFO] [stdout] 165 | pub struct ForesterRosMessage { [INFO] [stdout] | ------------------ fields in this struct [INFO] [stdout] 166 | tp: String, [INFO] [stdout] | ^^ [INFO] [stdout] 167 | msg: String, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ForesterRosMessage` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/tree/parser/ast.rs:115:19 [INFO] [stdout] | [INFO] [stdout] 115 | pub fn to_inv(&self) -> Invocation { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 115 | pub fn to_inv(&self) -> Invocation<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/tree/parser/ast.rs:118:24 [INFO] [stdout] | [INFO] [stdout] 118 | pub fn to_inv_args(&self, args: Arguments) -> Invocation { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 118 | pub fn to_inv_args(&self, args: Arguments) -> Invocation<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get` is never used [INFO] [stdout] --> src/runtime/builder.rs:488:8 [INFO] [stdout] | [INFO] [stdout] 481 | impl ServerPort { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 488 | fn get(&self) -> u16 { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `client` is never read [INFO] [stdout] --> src/runtime/forester/serv.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 34 | pub struct HttpServ { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 37 | client: Client, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `HttpServ` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `buf_size` is never read [INFO] [stdout] --> src/runtime/ros.rs:142:5 [INFO] [stdout] | [INFO] [stdout] 140 | pub struct TargetCfg { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 141 | tp: String, [INFO] [stdout] 142 | buf_size: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TargetCfg` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `tp` and `msg` are never read [INFO] [stdout] --> src/runtime/ros.rs:166:5 [INFO] [stdout] | [INFO] [stdout] 165 | pub struct ForesterRosMessage { [INFO] [stdout] | ------------------ fields in this struct [INFO] [stdout] 166 | tp: String, [INFO] [stdout] | ^^ [INFO] [stdout] 167 | msg: String, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ForesterRosMessage` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SmokeTest` is never constructed [INFO] [stdout] --> src/tests/trimmer.rs:92:8 [INFO] [stdout] | [INFO] [stdout] 92 | struct SmokeTest; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/tree/parser/ast.rs:115:19 [INFO] [stdout] | [INFO] [stdout] 115 | pub fn to_inv(&self) -> Invocation { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 115 | pub fn to_inv(&self) -> Invocation<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/tree/parser/ast.rs:118:24 [INFO] [stdout] | [INFO] [stdout] 118 | pub fn to_inv_args(&self, args: Arguments) -> Invocation { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 118 | pub fn to_inv_args(&self, args: Arguments) -> Invocation<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tests/trimmer.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | forester.add_trim_task(TrimTask::rt_tree(Test)); [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] 32 | let _ = forester.add_trim_task(TrimTask::rt_tree(Test)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tests/trimmer.rs:87:5 [INFO] [stdout] | [INFO] [stdout] 87 | forester.add_trim_task(TrimTask::rt_tree(Test)); [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] 87 | let _ = forester.add_trim_task(TrimTask::rt_tree(Test)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 45.59s [INFO] running `Command { std: "docker" "inspect" "7cf4b65a3f4f9245554e7d389c0d2749eaab0aa3da6a2e376473f74eeff42229", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7cf4b65a3f4f9245554e7d389c0d2749eaab0aa3da6a2e376473f74eeff42229", kill_on_drop: false }` [INFO] [stdout] 7cf4b65a3f4f9245554e7d389c0d2749eaab0aa3da6a2e376473f74eeff42229