[INFO] updating cached repository hnkz/chord_rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/hnkz/chord_rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/hnkz/chord_rust" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/hnkz/chord_rust"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/hnkz/chord_rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/hnkz/chord_rust" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/hnkz/chord_rust"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/hnkz/chord_rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 399e4acd0afa39bb03396ee2a97b06888cb23e0e [INFO] sha for GitHub repo hnkz/chord_rust: 399e4acd0afa39bb03396ee2a97b06888cb23e0e [INFO] validating manifest of hnkz/chord_rust on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of hnkz/chord_rust on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing hnkz/chord_rust [INFO] finished frobbing hnkz/chord_rust [INFO] frobbed toml for hnkz/chord_rust written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/hnkz/chord_rust/Cargo.toml [INFO] started frobbing hnkz/chord_rust [INFO] finished frobbing hnkz/chord_rust [INFO] frobbed toml for hnkz/chord_rust written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/hnkz/chord_rust/Cargo.toml [INFO] crate hnkz/chord_rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking hnkz/chord_rust against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-5/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/hnkz/chord_rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] f66a3e000e5116996078ae6e70f619fa932e750dce71c57018141d56316c0892 [INFO] running `"docker" "start" "-a" "f66a3e000e5116996078ae6e70f619fa932e750dce71c57018141d56316c0892"` [INFO] [stderr] Checking chord v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:71:9 [INFO] [stderr] | [INFO] [stderr] 71 | Ok(()) [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `stream` [INFO] [stderr] --> src/lib.rs:68:25 [INFO] [stderr] | [INFO] [stderr] 68 | let mut stream = record.get_stream(); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_stream` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rtype` [INFO] [stderr] --> src/lib.rs:94:34 [INFO] [stderr] | [INFO] [stderr] 94 | pub fn add_stream(&mut self, rtype: RecordType, stream: TcpStream) -> Result<(), String> { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_rtype` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `stream` [INFO] [stderr] --> src/lib.rs:94:53 [INFO] [stderr] | [INFO] [stderr] 94 | pub fn add_stream(&mut self, rtype: RecordType, stream: TcpStream) -> Result<(), String> { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_stream` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:47:13 [INFO] [stderr] | [INFO] [stderr] 47 | let mut listener = self.listener.clone(); [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/lib.rs:68:21 [INFO] [stderr] | [INFO] [stderr] 68 | let mut stream = record.get_stream(); [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/lib.rs:100:13 [INFO] [stderr] | [INFO] [stderr] 100 | let mut stream = TcpStream::connect(ip).expect("cannot connect"); [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/lib.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | chord.listen(); [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 `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:37:9 [INFO] [stderr] | [INFO] [stderr] 37 | chord.listen(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:43:9 [INFO] [stderr] | [INFO] [stderr] 43 | self.route_table.add_successor(ip); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:71:9 [INFO] [stderr] | [INFO] [stderr] 71 | Ok(()) [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `stream` [INFO] [stderr] --> src/lib.rs:68:25 [INFO] [stderr] | [INFO] [stderr] 68 | let mut stream = record.get_stream(); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_stream` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rtype` [INFO] [stderr] --> src/lib.rs:94:34 [INFO] [stderr] | [INFO] [stderr] 94 | pub fn add_stream(&mut self, rtype: RecordType, stream: TcpStream) -> Result<(), String> { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_rtype` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `stream` [INFO] [stderr] --> src/lib.rs:94:53 [INFO] [stderr] | [INFO] [stderr] 94 | pub fn add_stream(&mut self, rtype: RecordType, stream: TcpStream) -> Result<(), String> { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_stream` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:47:13 [INFO] [stderr] | [INFO] [stderr] 47 | let mut listener = self.listener.clone(); [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/lib.rs:68:21 [INFO] [stderr] | [INFO] [stderr] 68 | let mut stream = record.get_stream(); [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/lib.rs:100:13 [INFO] [stderr] | [INFO] [stderr] 100 | let mut stream = TcpStream::connect(ip).expect("cannot connect"); [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/lib.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | chord.listen(); [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 `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:37:9 [INFO] [stderr] | [INFO] [stderr] 37 | chord.listen(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:43:9 [INFO] [stderr] | [INFO] [stderr] 43 | self.route_table.add_successor(ip); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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 1.91s [INFO] running `"docker" "inspect" "f66a3e000e5116996078ae6e70f619fa932e750dce71c57018141d56316c0892"` [INFO] running `"docker" "rm" "-f" "f66a3e000e5116996078ae6e70f619fa932e750dce71c57018141d56316c0892"` [INFO] [stdout] f66a3e000e5116996078ae6e70f619fa932e750dce71c57018141d56316c0892