[INFO] cloning repository hnkz/chord_rust [INFO] running `"git" "clone" "--bare" "git://github.com/hnkz/chord_rust.git" "work/cache/sources/gh/hnkz/chord_rust"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/hnkz/chord_rust'... [INFO] running `"git" "clone" "work/cache/sources/gh/hnkz/chord_rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/hnkz/chord_rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/hnkz/chord_rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/hnkz/chord_rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hnkz/chord_rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of hnkz/chord_rust on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing hnkz/chord_rust against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] 4f57c04f3e16d9ccc4e711ba9ea6191a18ee528f3bab68313ac355ef843eaea1 [INFO] running `"docker" "start" "-a" "4f57c04f3e16d9ccc4e711ba9ea6191a18ee528f3bab68313ac355ef843eaea1"` [INFO] [stderr] Compiling 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] Finished dev [unoptimized + debuginfo] target(s) in 1.81s [INFO] running `"docker" "inspect" "4f57c04f3e16d9ccc4e711ba9ea6191a18ee528f3bab68313ac355ef843eaea1"` [INFO] running `"docker" "rm" "-f" "4f57c04f3e16d9ccc4e711ba9ea6191a18ee528f3bab68313ac355ef843eaea1"` [INFO] [stdout] 4f57c04f3e16d9ccc4e711ba9ea6191a18ee528f3bab68313ac355ef843eaea1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] d829acfd5a259a885a7592e044a2d0aed109202f4ce3fa72db79d1115a2fd8e8 [INFO] running `"docker" "start" "-a" "d829acfd5a259a885a7592e044a2d0aed109202f4ce3fa72db79d1115a2fd8e8"` [INFO] [stderr] Compiling 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] Finished dev [unoptimized + debuginfo] target(s) in 0.89s [INFO] running `"docker" "inspect" "d829acfd5a259a885a7592e044a2d0aed109202f4ce3fa72db79d1115a2fd8e8"` [INFO] running `"docker" "rm" "-f" "d829acfd5a259a885a7592e044a2d0aed109202f4ce3fa72db79d1115a2fd8e8"` [INFO] [stdout] d829acfd5a259a885a7592e044a2d0aed109202f4ce3fa72db79d1115a2fd8e8 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] 6465046b9413fb5252a30e2ebe26df7561c695e3f55e0fc65c88b73f02b37adf [INFO] running `"docker" "start" "-a" "6465046b9413fb5252a30e2ebe26df7561c695e3f55e0fc65c88b73f02b37adf"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/chord-96832563740d0644 [INFO] [stderr] Running /opt/crater/target/debug/deps/chord-3001353b3ba6f78d [INFO] [stderr] Doc-tests chord [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "6465046b9413fb5252a30e2ebe26df7561c695e3f55e0fc65c88b73f02b37adf"` [INFO] running `"docker" "rm" "-f" "6465046b9413fb5252a30e2ebe26df7561c695e3f55e0fc65c88b73f02b37adf"` [INFO] [stdout] 6465046b9413fb5252a30e2ebe26df7561c695e3f55e0fc65c88b73f02b37adf