[INFO] cloning repository https://github.com/hnkz/chord_rust [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhnkz%2Fchord_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 399e4acd0afa39bb03396ee2a97b06888cb23e0e [INFO] checking hnkz/chord_rust against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhnkz%2Fchord_rust" "/workspace/builds/worker-89/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-89/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hnkz/chord_rust on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-89/source/Cargo.toml [INFO] crate git repo https://github.com/hnkz/chord_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4d72d77339aafd4ff933331c6ad7d902d8d62811a6f915f221a41c6b9febfdf9 [INFO] running `Command { std: "docker" "start" "-a" "4d72d77339aafd4ff933331c6ad7d902d8d62811a6f915f221a41c6b9febfdf9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4d72d77339aafd4ff933331c6ad7d902d8d62811a6f915f221a41c6b9febfdf9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d72d77339aafd4ff933331c6ad7d902d8d62811a6f915f221a41c6b9febfdf9", kill_on_drop: false }` [INFO] [stdout] 4d72d77339aafd4ff933331c6ad7d902d8d62811a6f915f221a41c6b9febfdf9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 31e5aa98363a8d69711f96a27193d257ab9f9b7604937918ebe91cee839ea287 [INFO] running `Command { std: "docker" "start" "-a" "31e5aa98363a8d69711f96a27193d257ab9f9b7604937918ebe91cee839ea287", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking chord v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 66 | / loop { [INFO] [stdout] 67 | | for record in self.route_table.records.iter_mut() { [INFO] [stdout] 68 | | let mut stream = record.get_stream(); [INFO] [stdout] 69 | | } [INFO] [stdout] 70 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 71 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stream` [INFO] [stdout] --> src/lib.rs:68:25 [INFO] [stdout] | [INFO] [stdout] 68 | let mut stream = record.get_stream(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rtype` [INFO] [stdout] --> src/lib.rs:94:34 [INFO] [stdout] | [INFO] [stdout] 94 | pub fn add_stream(&mut self, rtype: RecordType, stream: TcpStream) -> Result<(), String> { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_rtype` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stream` [INFO] [stdout] --> src/lib.rs:94:53 [INFO] [stdout] | [INFO] [stdout] 94 | pub fn add_stream(&mut self, rtype: RecordType, stream: TcpStream) -> Result<(), String> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 66 | / loop { [INFO] [stdout] 67 | | for record in self.route_table.records.iter_mut() { [INFO] [stdout] 68 | | let mut stream = record.get_stream(); [INFO] [stdout] 69 | | } [INFO] [stdout] 70 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 71 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | let mut listener = self.listener.clone(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:68:21 [INFO] [stdout] | [INFO] [stdout] 68 | let mut stream = record.get_stream(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:100:13 [INFO] [stdout] | [INFO] [stdout] 100 | let mut stream = TcpStream::connect(ip).expect("cannot connect"); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stream` [INFO] [stdout] --> src/lib.rs:68:25 [INFO] [stdout] | [INFO] [stdout] 68 | let mut stream = record.get_stream(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rtype` [INFO] [stdout] --> src/lib.rs:94:34 [INFO] [stdout] | [INFO] [stdout] 94 | pub fn add_stream(&mut self, rtype: RecordType, stream: TcpStream) -> Result<(), String> { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_rtype` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stream` [INFO] [stdout] --> src/lib.rs:94:53 [INFO] [stdout] | [INFO] [stdout] 94 | pub fn add_stream(&mut self, rtype: RecordType, stream: TcpStream) -> Result<(), String> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/lib.rs:123:5 [INFO] [stdout] | [INFO] [stdout] 123 | id: u64, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `rtype` [INFO] [stdout] --> src/lib.rs:124:5 [INFO] [stdout] | [INFO] [stdout] 124 | rtype: RecordType, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `ip` [INFO] [stdout] --> src/lib.rs:125:5 [INFO] [stdout] | [INFO] [stdout] 125 | ip: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | let mut listener = self.listener.clone(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:68:21 [INFO] [stdout] | [INFO] [stdout] 68 | let mut stream = record.get_stream(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:100:13 [INFO] [stdout] | [INFO] [stdout] 100 | let mut stream = TcpStream::connect(ip).expect("cannot connect"); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | chord.listen(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | chord.listen(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | self.route_table.add_successor(ip); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/lib.rs:123:5 [INFO] [stdout] | [INFO] [stdout] 123 | id: u64, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `rtype` [INFO] [stdout] --> src/lib.rs:124:5 [INFO] [stdout] | [INFO] [stdout] 124 | rtype: RecordType, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `ip` [INFO] [stdout] --> src/lib.rs:125:5 [INFO] [stdout] | [INFO] [stdout] 125 | ip: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | chord.listen(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | chord.listen(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | self.route_table.add_successor(ip); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.79s [INFO] running `Command { std: "docker" "inspect" "31e5aa98363a8d69711f96a27193d257ab9f9b7604937918ebe91cee839ea287", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31e5aa98363a8d69711f96a27193d257ab9f9b7604937918ebe91cee839ea287", kill_on_drop: false }` [INFO] [stdout] 31e5aa98363a8d69711f96a27193d257ab9f9b7604937918ebe91cee839ea287