[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] 78e961986b990d5ec373677c791f08ce1f8b8295
[INFO] documenting SAdams601/rust-maelstrom against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSAdams601%2Frust-maelstrom" "/workspace/builds/worker-31/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SAdams601/rust-maelstrom on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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-31/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" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded json v0.12.4
[INFO] [stderr]   Downloaded libc v0.2.93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13ce281607d5028c3082ac07158c473af09ecc0eebe0ed8a90911c0cfb8166f7
[INFO] running `Command { std: "docker" "start" "-a" "13ce281607d5028c3082ac07158c473af09ecc0eebe0ed8a90911c0cfb8166f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13ce281607d5028c3082ac07158c473af09ecc0eebe0ed8a90911c0cfb8166f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13ce281607d5028c3082ac07158c473af09ecc0eebe0ed8a90911c0cfb8166f7", kill_on_drop: false }`
[INFO] [stdout] 13ce281607d5028c3082ac07158c473af09ecc0eebe0ed8a90911c0cfb8166f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc488097eced36d1041cbdbdf2746fe3e2052aa88c9dd7d5064a2c8ecde30373
[INFO] running `Command { std: "docker" "start" "-a" "bc488097eced36d1041cbdbdf2746fe3e2052aa88c9dd7d5064a2c8ecde30373", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking shared_lib v0.1.0 (/opt/rustwide/workdir/shared_lib)
[INFO] [stderr]  Documenting shared_lib v0.1.0 (/opt/rustwide/workdir/shared_lib)
[INFO] [stdout] warning: unused import: `json::JsonValue`
[INFO] [stdout]  --> shared_lib/src/read_respond.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use json::JsonValue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stderr`
[INFO] [stdout]  --> shared_lib/src/read_respond.rs:3:31
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Write, BufRead, stderr};
[INFO] [stdout]   |                               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RecvTimeoutError`, `TryRecvError`
[INFO] [stdout]  --> shared_lib/src/rpc.rs:4:37
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::mpsc::{sync_channel, TryRecvError, Receiver, RecvTimeoutError};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> shared_lib/src/rpc.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::JoinHandle`
[INFO] [stdout]  --> shared_lib/src/rpc.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::thread::JoinHandle;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `while let` pattern
[INFO] [stdout]   --> shared_lib/src/rpc.rs:37:11
[INFO] [stdout]    |
[INFO] [stdout] 37 |     while let rpc_response = send_rpc(state, request_body, "lin-kv").unwrap() {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout]    = note: this pattern will always match, so the loop will never exit
[INFO] [stdout]    = help: consider instead using a `loop { ... }` with a `let` inside it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> shared_lib/src/rpc.rs:29:13
[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 `Result` that must be used
[INFO] [stdout]   --> shared_lib/src/read_respond.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |                 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]   --> shared_lib/src/read_respond.rs:23:33
[INFO] [stdout]    |
[INFO] [stdout] 23 | ...                   sender.send(parsed);
[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]   --> shared_lib/src/message_handler.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             curr_state.get_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]   --> shared_lib/src/message_handler.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |             curr_state.get_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]   --> shared_lib/src/rpc.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     state.get_channel().send(stringify(request));
[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]   --> shared_lib/src/rpc.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     state.get_channel().send(stringify(request.clone()));
[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]   --> shared_lib/src/rpc.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         state.get_channel().send(stringify(request));
[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]   --> shared_lib/src/stdio.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     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]   --> shared_lib/src/stdio.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     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]   --> shared_lib/src/stdio.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     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]   --> shared_lib/src/stdio.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     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]   --> shared_lib/src/stdio.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     stderr().write(b"\n");
[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]   --> shared_lib/src/stdio.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     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: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]  Documenting maelstrom v0.1.0 (/opt/rustwide/workdir/maelstrom)
[INFO] [stderr]  Documenting raft v0.1.0 (/opt/rustwide/workdir/raft)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> raft/src/main.rs:45:62
[INFO] [stdout]    |
[INFO] [stdout] 45 |     static ref ELECTION_STATE: Arc<ElectionState<'static>> = {election_state::start(&*NODE_STATE)};
[INFO] [stdout]    |                                                              ^                                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 45 -     static ref ELECTION_STATE: Arc<ElectionState<'static>> = {election_state::start(&*NODE_STATE)};
[INFO] [stdout] 45 +     static ref ELECTION_STATE: Arc<ElectionState<'static>> = election_state::start(&*NODE_STATE);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.37s
[INFO] running `Command { std: "docker" "inspect" "bc488097eced36d1041cbdbdf2746fe3e2052aa88c9dd7d5064a2c8ecde30373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc488097eced36d1041cbdbdf2746fe3e2052aa88c9dd7d5064a2c8ecde30373", kill_on_drop: false }`
[INFO] [stdout] bc488097eced36d1041cbdbdf2746fe3e2052aa88c9dd7d5064a2c8ecde30373
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] b67f5f989254c3613e853d6255054b59b2cb68b3bb63c54ffdf6a40cff03262a
[INFO] running `Command { std: "docker" "start" "-a" "b67f5f989254c3613e853d6255054b59b2cb68b3bb63c54ffdf6a40cff03262a", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "b67f5f989254c3613e853d6255054b59b2cb68b3bb63c54ffdf6a40cff03262a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b67f5f989254c3613e853d6255054b59b2cb68b3bb63c54ffdf6a40cff03262a", kill_on_drop: false }`
[INFO] [stdout] b67f5f989254c3613e853d6255054b59b2cb68b3bb63c54ffdf6a40cff03262a