[INFO] updating cached repository silago/tcp-rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/silago/tcp-rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/silago/tcp-rs" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/silago/tcp-rs"` [INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/silago/tcp-rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/silago/tcp-rs" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/silago/tcp-rs"` [INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/silago/tcp-rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b6310f52043790a9b53b2601502e0446fc8d0127 [INFO] sha for GitHub repo silago/tcp-rs: b6310f52043790a9b53b2601502e0446fc8d0127 [INFO] validating manifest of silago/tcp-rs on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of silago/tcp-rs on toolchain try#f45cc3094ee337acd688771b9234318046b0572d [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing silago/tcp-rs [INFO] finished frobbing silago/tcp-rs [INFO] frobbed toml for silago/tcp-rs written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/silago/tcp-rs/Cargo.toml [INFO] started frobbing silago/tcp-rs [INFO] finished frobbing silago/tcp-rs [INFO] frobbed toml for silago/tcp-rs written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/silago/tcp-rs/Cargo.toml [INFO] crate silago/tcp-rs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking silago/tcp-rs against try#f45cc3094ee337acd688771b9234318046b0572d for pr-60914 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-6/try#f45cc3094ee337acd688771b9234318046b0572d:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/silago/tcp-rs:/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" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] b7282197ddc5529536d453101d26f382a7c470d5b84c8e9b281d914383f93c1f [INFO] running `"docker" "start" "-a" "b7282197ddc5529536d453101d26f382a7c470d5b84c8e9b281d914383f93c1f"` [INFO] [stderr] Checking tcp-socker-example v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Result` [INFO] [stderr] --> main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io::Result; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::str` [INFO] [stderr] --> main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::str; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `match` head expression [INFO] [stderr] --> main.rs:60:26 [INFO] [stderr] | [INFO] [stderr] 60 | match(x) { [INFO] [stderr] | ^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `match` head expression [INFO] [stderr] --> main.rs:69:26 [INFO] [stderr] | [INFO] [stderr] 69 | match(x) { [INFO] [stderr] | ^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> main.rs:73:32 [INFO] [stderr] | [INFO] [stderr] 73 | if (val!=msg.len()) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> main.rs:82:24 [INFO] [stderr] | [INFO] [stderr] 82 | if (terminate) { [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Result` [INFO] [stderr] --> main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io::Result; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::str` [INFO] [stderr] --> main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::str; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `match` head expression [INFO] [stderr] --> main.rs:60:26 [INFO] [stderr] | [INFO] [stderr] 60 | match(x) { [INFO] [stderr] | ^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `match` head expression [INFO] [stderr] --> main.rs:69:26 [INFO] [stderr] | [INFO] [stderr] 69 | match(x) { [INFO] [stderr] | ^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> main.rs:73:32 [INFO] [stderr] | [INFO] [stderr] 73 | if (val!=msg.len()) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> main.rs:82:24 [INFO] [stderr] | [INFO] [stderr] 82 | if (terminate) { [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unused variable: `connections` [INFO] [stderr] --> main.rs:36:13 [INFO] [stderr] | [INFO] [stderr] 36 | let mut connections: HashMap = HashMap::new(); [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_connections` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `addr` [INFO] [stderr] --> main.rs:42:25 [INFO] [stderr] | [INFO] [stderr] 42 | Ok((mut s , addr)) => { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_addr` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `chan` [INFO] [stderr] --> main.rs:46:21 [INFO] [stderr] | [INFO] [stderr] 46 | let chan:Chan = Chan::fromTuple( [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_chan` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `val` [INFO] [stderr] --> main.rs:61:30 [INFO] [stderr] | [INFO] [stderr] 61 | Some(val) => { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_val` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `connections` [INFO] [stderr] --> main.rs:36:13 [INFO] [stderr] | [INFO] [stderr] 36 | let mut connections: HashMap = HashMap::new(); [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_connections` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `addr` [INFO] [stderr] --> main.rs:42:25 [INFO] [stderr] | [INFO] [stderr] 42 | Ok((mut s , addr)) => { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_addr` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `chan` [INFO] [stderr] --> main.rs:46:21 [INFO] [stderr] | [INFO] [stderr] 46 | let chan:Chan = Chan::fromTuple( [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_chan` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `val` [INFO] [stderr] --> main.rs:61:30 [INFO] [stderr] | [INFO] [stderr] 61 | Some(val) => { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_val` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> main.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let mut connections: HashMap = HashMap::new(); [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] --> main.rs:42:17 [INFO] [stderr] | [INFO] [stderr] 42 | Ok((mut s , addr)) => { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> main.rs:55:25 [INFO] [stderr] | [INFO] [stderr] 55 | let mut part = &String::from_utf8(buffer).unwrap().to_owned(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never used: `tx` [INFO] [stderr] --> main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | tx: Sender, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `rx` [INFO] [stderr] --> main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | rx: Receiver [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `fromTuple` should have a snake case name [INFO] [stderr] --> main.rs:25:8 [INFO] [stderr] | [INFO] [stderr] 25 | fn fromTuple( input: ( Sender, Receiver) ) -> Chan { [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `from_tuple` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> main.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let mut connections: HashMap = HashMap::new(); [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] --> main.rs:42:17 [INFO] [stderr] | [INFO] [stderr] 42 | Ok((mut s , addr)) => { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> main.rs:55:25 [INFO] [stderr] | [INFO] [stderr] 55 | let mut part = &String::from_utf8(buffer).unwrap().to_owned(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never used: `tx` [INFO] [stderr] --> main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | tx: Sender, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `rx` [INFO] [stderr] --> main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | rx: Receiver [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `fromTuple` should have a snake case name [INFO] [stderr] --> main.rs:25:8 [INFO] [stderr] | [INFO] [stderr] 25 | fn fromTuple( input: ( Sender, Receiver) ) -> Chan { [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `from_tuple` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `"docker" "inspect" "b7282197ddc5529536d453101d26f382a7c470d5b84c8e9b281d914383f93c1f"` [INFO] running `"docker" "rm" "-f" "b7282197ddc5529536d453101d26f382a7c470d5b84c8e9b281d914383f93c1f"` [INFO] [stdout] b7282197ddc5529536d453101d26f382a7c470d5b84c8e9b281d914383f93c1f