[INFO] updating cached repository problame/rust-srs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/problame/rust-srs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/problame/rust-srs" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/problame/rust-srs"` [INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/problame/rust-srs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/problame/rust-srs" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/problame/rust-srs"` [INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/problame/rust-srs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ebd1c093a7d949f120301a1794d26e37ed56916b [INFO] sha for GitHub repo problame/rust-srs: ebd1c093a7d949f120301a1794d26e37ed56916b [INFO] validating manifest of problame/rust-srs on toolchain master#a850a426491e14186af2250549bf41256b5938d2 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of problame/rust-srs on toolchain try#06a150c7d11500b41499224f165e9de1de096768 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing problame/rust-srs [INFO] finished frobbing problame/rust-srs [INFO] frobbed toml for problame/rust-srs written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/problame/rust-srs/Cargo.toml [INFO] started frobbing problame/rust-srs [INFO] finished frobbing problame/rust-srs [INFO] frobbed toml for problame/rust-srs written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/problame/rust-srs/Cargo.toml [INFO] crate problame/rust-srs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking problame/rust-srs against try#06a150c7d11500b41499224f165e9de1de096768 for pr-60162 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-5/try#06a150c7d11500b41499224f165e9de1de096768:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/problame/rust-srs:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] b8bf3454db5fe55a5ebb562f5451c11248c5ba345305cd747f3c6062c1ca1f37 [INFO] running `"docker" "start" "-a" "b8bf3454db5fe55a5ebb562f5451c11248c5ba345305cd747f3c6062c1ca1f37"` [INFO] [stderr] Checking rustsrsd v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `base64_email_safe_decode` [INFO] [stderr] --> src/srs/transformers.rs:12:42 [INFO] [stderr] | [INFO] [stderr] 12 | use srs::util::{base64_email_safe_encode,base64_email_safe_decode}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `openssl::hash::MessageDigest` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use openssl::hash::MessageDigest; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Write` [INFO] [stderr] --> src/main.rs:12:20 [INFO] [stderr] | [INFO] [stderr] 12 | use std::io::{Read,Write}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead [INFO] [stderr] --> src/srs/transformers.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::ascii::AsciiExt; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_right': superseded by `trim_end` [INFO] [stderr] --> src/main.rs:85:63 [INFO] [stderr] | [INFO] [stderr] 85 | let addr = SRSAddress::from_string(input[4..].trim_right()); [INFO] [stderr] | ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end` [INFO] [stderr] [INFO] [stderr] warning: unused import: `base64_email_safe_decode` [INFO] [stderr] --> src/srs/transformers.rs:12:42 [INFO] [stderr] | [INFO] [stderr] 12 | use srs::util::{base64_email_safe_encode,base64_email_safe_decode}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `ForwarderError` [INFO] [stderr] --> src/srs/transformer_tests.rs:6:62 [INFO] [stderr] | [INFO] [stderr] 6 | use srs::transformers::{Receiver,ReceiverError,Forwarder,ForwarderError,Timestamper,SRSTimestamper}; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Forwarder` [INFO] [stderr] --> src/srs/transformer_tests.rs:135:52 [INFO] [stderr] | [INFO] [stderr] 135 | use srs::transformers::{ForwardableAddress,Forwarder}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Forwarder` [INFO] [stderr] --> src/srs/transformer_tests.rs:163:52 [INFO] [stderr] | [INFO] [stderr] 163 | use srs::transformers::{ForwardableAddress,Forwarder}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `SRS1` [INFO] [stderr] --> src/srs/transformer_tests.rs:164:44 [INFO] [stderr] | [INFO] [stderr] 164 | use srs::parser::SRSAddress::{SRS0,SRS1}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Forwarder` [INFO] [stderr] --> src/srs/transformer_tests.rs:197:52 [INFO] [stderr] | [INFO] [stderr] 197 | use srs::transformers::{ForwardableAddress,Forwarder}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `SRS0` [INFO] [stderr] --> src/srs/transformer_tests.rs:198:39 [INFO] [stderr] | [INFO] [stderr] 198 | use srs::parser::SRSAddress::{SRS0,SRS1}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `ForwardableAddress`, `Forwarder` [INFO] [stderr] --> src/srs/transformer_tests.rs:226:33 [INFO] [stderr] | [INFO] [stderr] 226 | use srs::transformers::{ForwardableAddress,Forwarder}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `openssl::hash::MessageDigest` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use openssl::hash::MessageDigest; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Write` [INFO] [stderr] --> src/main.rs:12:20 [INFO] [stderr] | [INFO] [stderr] 12 | use std::io::{Read,Write}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead [INFO] [stderr] --> src/srs/transformers.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::ascii::AsciiExt; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_right': superseded by `trim_end` [INFO] [stderr] --> src/main.rs:85:63 [INFO] [stderr] | [INFO] [stderr] 85 | let addr = SRSAddress::from_string(input[4..].trim_right()); [INFO] [stderr] | ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end` [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ascii::AsciiExt` [INFO] [stderr] --> src/srs/transformers.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::ascii::AsciiExt; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:33:13 [INFO] [stderr] | [INFO] [stderr] 33 | Err(e) => { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:44:17 [INFO] [stderr] | [INFO] [stderr] 44 | Err(e) => { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `substr` [INFO] [stderr] --> src/srs/transformers.rs:149:30 [INFO] [stderr] | [INFO] [stderr] 149 | fn is_email_compatible_ascii(substr: &[u8]) -> bool { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_substr` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `res` is never read [INFO] [stderr] --> src/srs/transformers.rs:59:17 [INFO] [stderr] | [INFO] [stderr] 59 | let mut res: u16 = 0; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_assignments)] on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_version` [INFO] [stderr] --> src/srs/parser.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | fn get_version(&self) -> u8 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_0` [INFO] [stderr] --> src/srs/parser.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn is_0(&self) -> bool { return self.get_version() == 0; } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_1` [INFO] [stderr] --> src/srs/parser.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | pub fn is_1(&self) -> bool { return self.get_version() == 1; } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `srs0` [INFO] [stderr] --> src/srs/parser.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | pub fn srs0(self) -> SRS0Address { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `srs1` [INFO] [stderr] --> src/srs/parser.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn srs1(self) -> SRS1Address { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `is_valid_srs_separator` [INFO] [stderr] --> src/srs/transformers.rs:157:1 [INFO] [stderr] | [INFO] [stderr] 157 | fn is_valid_srs_separator(separator: &str) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Forwarder` [INFO] [stderr] --> src/srs/transformers.rs:256:1 [INFO] [stderr] | [INFO] [stderr] 256 | pub struct Forwarder where T: Timestamper { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `ForwarderInitializationError` [INFO] [stderr] --> src/srs/transformers.rs:265:1 [INFO] [stderr] | [INFO] [stderr] 265 | pub enum ForwarderInitializationError { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `ForwarderError` [INFO] [stderr] --> src/srs/transformers.rs:271:1 [INFO] [stderr] | [INFO] [stderr] 271 | pub enum ForwarderError { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `ForwardableAddress` [INFO] [stderr] --> src/srs/transformers.rs:276:1 [INFO] [stderr] | [INFO] [stderr] 276 | pub enum ForwardableAddress { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/srs/transformers.rs:286:5 [INFO] [stderr] | [INFO] [stderr] 286 | pub fn new(secret: Vec, hostname: Vec, md: MessageDigest, separator: &str, timestamper: T) -> Result,ForwarderInitializationError> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `update_hash` [INFO] [stderr] --> src/srs/transformers.rs:307:5 [INFO] [stderr] | [INFO] [stderr] 307 | fn update_hash(&self, address: &mut SRSAddress) -> Result<(), ForwarderError> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `forward` [INFO] [stderr] --> src/srs/transformers.rs:319:5 [INFO] [stderr] | [INFO] [stderr] 319 | pub fn forward(&self, address: ForwardableAddress) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `DecodingErr` [INFO] [stderr] --> src/srs/util.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | DecodingErr, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `base64_email_safe_decode` [INFO] [stderr] --> src/srs/util.rs:38:1 [INFO] [stderr] | [INFO] [stderr] 38 | pub fn base64_email_safe_decode(s: &str) -> Result, Base64Err> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:97:17 [INFO] [stderr] | [INFO] [stderr] 97 | stream.shutdown(Shutdown::Both); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ascii::AsciiExt` [INFO] [stderr] --> src/srs/transformers.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::ascii::AsciiExt; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:33:13 [INFO] [stderr] | [INFO] [stderr] 33 | Err(e) => { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:44:17 [INFO] [stderr] | [INFO] [stderr] 44 | Err(e) => { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `substr` [INFO] [stderr] --> src/srs/transformers.rs:149:30 [INFO] [stderr] | [INFO] [stderr] 149 | fn is_email_compatible_ascii(substr: &[u8]) -> bool { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_substr` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `res` is never read [INFO] [stderr] --> src/srs/transformers.rs:59:17 [INFO] [stderr] | [INFO] [stderr] 59 | let mut res: u16 = 0; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_assignments)] on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ts` [INFO] [stderr] --> src/srs/transformer_tests.rs:25:35 [INFO] [stderr] | [INFO] [stderr] 25 | verify: Box::new(|ts| Ok(())), [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_ts` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ts` [INFO] [stderr] --> src/srs/transformer_tests.rs:124:35 [INFO] [stderr] | [INFO] [stderr] 124 | verify: Box::new(|ts| Err(23)), [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_ts` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r_c` [INFO] [stderr] --> src/srs/transformer_tests.rs:241:13 [INFO] [stderr] | [INFO] [stderr] 241 | let r_c = make_receiver("csecret", "c"); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_r_c` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/srs/transformer_tests.rs:302:13 [INFO] [stderr] | [INFO] [stderr] 302 | let t = SRSTimestamper { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_t` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/srs/transformer_tests.rs:319:13 [INFO] [stderr] | [INFO] [stderr] 319 | let t = SRSTimestamper { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_t` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/srs/transformer_tests.rs:147:13 [INFO] [stderr] | [INFO] [stderr] 147 | let mut res = res.srs0(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/srs/transformer_tests.rs:181:13 [INFO] [stderr] | [INFO] [stderr] 181 | let mut res = res.srs1(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/srs/transformer_tests.rs:280:13 [INFO] [stderr] | [INFO] [stderr] 280 | let mut t = SRSTimestamper { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:97:17 [INFO] [stderr] | [INFO] [stderr] 97 | stream.shutdown(Shutdown::Both); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.93s [INFO] running `"docker" "inspect" "b8bf3454db5fe55a5ebb562f5451c11248c5ba345305cd747f3c6062c1ca1f37"` [INFO] running `"docker" "rm" "-f" "b8bf3454db5fe55a5ebb562f5451c11248c5ba345305cd747f3c6062c1ca1f37"` [INFO] [stdout] b8bf3454db5fe55a5ebb562f5451c11248c5ba345305cd747f3c6062c1ca1f37