[INFO] cloning repository https://github.com/hnkz/chord_rust [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hnkz/chord_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhnkz%2Fchord_rust"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhnkz%2Fchord_rust'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 399e4acd0afa39bb03396ee2a97b06888cb23e0e [INFO] checking hnkz/chord_rust against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhnkz%2Fchord_rust" "/workspace/builds/worker-14/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hnkz/chord_rust on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/hnkz/chord_rust [INFO] finished tweaking git repo https://github.com/hnkz/chord_rust [INFO] tweaked toml for git repo https://github.com/hnkz/chord_rust written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/hnkz/chord_rust already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 05c824e52acbce3b062f5b21913c58ded5a0f6758cecff55a52227e8ef1fa387 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "05c824e52acbce3b062f5b21913c58ded5a0f6758cecff55a52227e8ef1fa387"` [INFO] [stderr] Checking chord v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:71:9 [INFO] [stderr] | [INFO] [stderr] 66 | / loop { [INFO] [stderr] 67 | | for record in self.route_table.records.iter_mut() { [INFO] [stderr] 68 | | let mut stream = record.get_stream(); [INFO] [stderr] 69 | | } [INFO] [stderr] 70 | | } [INFO] [stderr] | |_________- any code following this expression is unreachable [INFO] [stderr] 71 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `stream` [INFO] [stderr] --> src/lib.rs:68:21 [INFO] [stderr] | [INFO] [stderr] 68 | let mut stream = record.get_stream(); [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:71:9 [INFO] [stderr] | [INFO] [stderr] 66 | / loop { [INFO] [stderr] 67 | | for record in self.route_table.records.iter_mut() { [INFO] [stderr] 68 | | let mut stream = record.get_stream(); [INFO] [stderr] 69 | | } [INFO] [stderr] 70 | | } [INFO] [stderr] | |_________- any code following this expression is unreachable [INFO] [stderr] 71 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `stream` [INFO] [stderr] --> src/lib.rs:68:21 [INFO] [stderr] | [INFO] [stderr] 68 | let mut stream = record.get_stream(); [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.02s [INFO] running `"docker" "inspect" "05c824e52acbce3b062f5b21913c58ded5a0f6758cecff55a52227e8ef1fa387"` [INFO] running `"docker" "rm" "-f" "05c824e52acbce3b062f5b21913c58ded5a0f6758cecff55a52227e8ef1fa387"` [INFO] [stdout] 05c824e52acbce3b062f5b21913c58ded5a0f6758cecff55a52227e8ef1fa387