[INFO] cloning repository https://github.com/SAdams601/rust-maelstrom [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SAdams601/rust-maelstrom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSAdams601%2Frust-maelstrom", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSAdams601%2Frust-maelstrom'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] aa3fe39b1d03e4a52d5ed53472e4cac560ddcc54 [INFO] checking SAdams601/rust-maelstrom against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSAdams601%2Frust-maelstrom" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SAdams601/rust-maelstrom on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/SAdams601/rust-maelstrom [INFO] finished tweaking git repo https://github.com/SAdams601/rust-maelstrom [INFO] tweaked toml for git repo https://github.com/SAdams601/rust-maelstrom written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/SAdams601/rust-maelstrom already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1d538a1be01b3c0ef7e4359ce0f1221511e6c1aeaa9540368ee734cd41f05d40 [INFO] running `Command { std: "docker" "start" "-a" "1d538a1be01b3c0ef7e4359ce0f1221511e6c1aeaa9540368ee734cd41f05d40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1d538a1be01b3c0ef7e4359ce0f1221511e6c1aeaa9540368ee734cd41f05d40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d538a1be01b3c0ef7e4359ce0f1221511e6c1aeaa9540368ee734cd41f05d40", kill_on_drop: false }` [INFO] [stdout] 1d538a1be01b3c0ef7e4359ce0f1221511e6c1aeaa9540368ee734cd41f05d40 [INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1448147a45df7a9ea8972766c325d16eb064aac8cc4349fd8104415d470df5f2 [INFO] running `Command { std: "docker" "start" "-a" "1448147a45df7a9ea8972766c325d16eb064aac8cc4349fd8104415d470df5f2", kill_on_drop: false }` [INFO] [stderr] Checking json v0.12.4 [INFO] [stderr] Checking maelstrom-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Array` [INFO] [stdout] --> src/node.rs:1:31 [INFO] [stdout] | [INFO] [stdout] 1 | use json::{object, stringify, Array, JsonValue}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Array` [INFO] [stdout] --> src/node.rs:1:31 [INFO] [stdout] | [INFO] [stdout] 1 | use json::{object, stringify, Array, JsonValue}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/main.rs:29:25 [INFO] [stdout] | [INFO] [stdout] 29 | Err(err) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/main.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | Err(err) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/main.rs:29:25 [INFO] [stdout] | [INFO] [stdout] 29 | Err(err) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/main.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | Err(err) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | io::stderr().write(format!("Received {}\n", line).as_ref()); [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/main.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 49 | stdout.write_all(msg.as_bytes()); [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/main.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 50 | stdout.write_all("\n".as_bytes()); [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/main.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 51 | stdout.flush(); [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/main.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | stderr().write(msg.as_bytes()); [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/main.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | stderr().flush(); [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/node.rs:61:17 [INFO] [stdout] | [INFO] [stdout] 61 | / self.logging_channel [INFO] [stdout] 62 | | .send(format!("My neighbors are: <{:?}>\n", self.neighbors)); [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/node.rs:70:25 [INFO] [stdout] | [INFO] [stdout] 70 | / self.logging_channel [INFO] [stdout] 71 | | .send(format!("Mutex has been poisoned, error: {:?}", poison_set)); [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/node.rs:92:29 [INFO] [stdout] | [INFO] [stdout] 92 | / ... self.logging_channel [INFO] [stdout] 93 | | ... .send(format!("Mutex has been poisoned, error: {:?}", poisoned)); [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/node.rs:114:17 [INFO] [stdout] | [INFO] [stdout] 114 | / self.logging_channel.send(format!( [INFO] [stdout] 115 | | "Received message with unknown type message: \n<{}>\n", [INFO] [stdout] 116 | | jv [INFO] [stdout] 117 | | )); [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/node.rs:143:9 [INFO] [stdout] | [INFO] [stdout] 143 | self.reply_channel.send(stringify(response)); [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/node.rs:157:9 [INFO] [stdout] | [INFO] [stdout] 157 | / self.logging_channel [INFO] [stdout] 158 | | .send(format!("Replying with {}\n", string)); [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/node.rs:159:9 [INFO] [stdout] | [INFO] [stdout] 159 | self.reply_channel.send(string); [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: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | io::stderr().write(format!("Received {}\n", line).as_ref()); [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/main.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 49 | stdout.write_all(msg.as_bytes()); [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/main.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 50 | stdout.write_all("\n".as_bytes()); [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/main.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 51 | stdout.flush(); [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/main.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | stderr().write(msg.as_bytes()); [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/main.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | stderr().flush(); [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/node.rs:61:17 [INFO] [stdout] | [INFO] [stdout] 61 | / self.logging_channel [INFO] [stdout] 62 | | .send(format!("My neighbors are: <{:?}>\n", self.neighbors)); [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/node.rs:70:25 [INFO] [stdout] | [INFO] [stdout] 70 | / self.logging_channel [INFO] [stdout] 71 | | .send(format!("Mutex has been poisoned, error: {:?}", poison_set)); [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/node.rs:92:29 [INFO] [stdout] | [INFO] [stdout] 92 | / ... self.logging_channel [INFO] [stdout] 93 | | ... .send(format!("Mutex has been poisoned, error: {:?}", poisoned)); [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/node.rs:114:17 [INFO] [stdout] | [INFO] [stdout] 114 | / self.logging_channel.send(format!( [INFO] [stdout] 115 | | "Received message with unknown type message: \n<{}>\n", [INFO] [stdout] 116 | | jv [INFO] [stdout] 117 | | )); [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/node.rs:143:9 [INFO] [stdout] | [INFO] [stdout] 143 | self.reply_channel.send(stringify(response)); [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/node.rs:157:9 [INFO] [stdout] | [INFO] [stdout] 157 | / self.logging_channel [INFO] [stdout] 158 | | .send(format!("Replying with {}\n", string)); [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/node.rs:159:9 [INFO] [stdout] | [INFO] [stdout] 159 | self.reply_channel.send(string); [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: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.89s [INFO] running `Command { std: "docker" "inspect" "1448147a45df7a9ea8972766c325d16eb064aac8cc4349fd8104415d470df5f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1448147a45df7a9ea8972766c325d16eb064aac8cc4349fd8104415d470df5f2", kill_on_drop: false }` [INFO] [stdout] 1448147a45df7a9ea8972766c325d16eb064aac8cc4349fd8104415d470df5f2