[INFO] cloning repository https://github.com/matteocam/pay-to-sudoku-attack [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matteocam/pay-to-sudoku-attack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatteocam%2Fpay-to-sudoku-attack", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatteocam%2Fpay-to-sudoku-attack'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cfc072fcdc17e10916185308edbdd232be808ad4 [INFO] testing matteocam/pay-to-sudoku-attack against 1.49.0 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatteocam%2Fpay-to-sudoku-attack" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/matteocam/pay-to-sudoku-attack on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/matteocam/pay-to-sudoku-attack [INFO] finished tweaking git repo https://github.com/matteocam/pay-to-sudoku-attack [INFO] tweaked toml for git repo https://github.com/matteocam/pay-to-sudoku-attack written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/matteocam/pay-to-sudoku-attack already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 2e57fe1216f47c79cf4d31a488b60f98a2c112d429f930f343dc64b23f9746b5 [INFO] running `Command { std: "docker" "start" "-a" "2e57fe1216f47c79cf4d31a488b60f98a2c112d429f930f343dc64b23f9746b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2e57fe1216f47c79cf4d31a488b60f98a2c112d429f930f343dc64b23f9746b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e57fe1216f47c79cf4d31a488b60f98a2c112d429f930f343dc64b23f9746b5", kill_on_drop: false }` [INFO] [stdout] 2e57fe1216f47c79cf4d31a488b60f98a2c112d429f930f343dc64b23f9746b5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8a0762866af11b82ddc897d31eee3ad027fc4876ac4f5b42e596146b0138525a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8a0762866af11b82ddc897d31eee3ad027fc4876ac4f5b42e596146b0138525a", kill_on_drop: false }` [INFO] [stderr] Compiling language-tags v0.0.7 [INFO] [stderr] Compiling httparse v1.2.2 [INFO] [stderr] Compiling vec_map v0.4.0 [INFO] [stderr] Compiling strsim v0.4.1 [INFO] [stderr] Compiling ansi_term v0.7.5 [INFO] [stderr] Compiling fixedbitset v0.1.6 [INFO] [stderr] Compiling whiteread v0.2.0 [INFO] [stderr] Compiling thread-scoped v1.0.1 [INFO] [stderr] Compiling hex v0.1.0 [INFO] [stderr] Compiling num_cpus v0.2.13 [INFO] [stderr] Compiling num-integer v0.1.34 [INFO] [stderr] Compiling num-complex v0.1.37 [INFO] [stderr] Compiling hpack v0.2.0 [INFO] [stderr] Compiling bzip2-sys v0.1.5 [INFO] [stderr] Compiling miniz-sys v0.1.9 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling uuid v0.1.18 [INFO] [stderr] Compiling num-bigint v0.1.37 [INFO] [stderr] Compiling num-iter v0.1.33 [INFO] [stderr] Compiling clap v1.5.6 [INFO] [stderr] Compiling solicit v0.4.4 [INFO] [stderr] Compiling url v0.2.38 [INFO] [stderr] Compiling num-rational v0.1.36 [INFO] [stderr] Compiling flate2 v0.2.19 [INFO] [stderr] Compiling cookie v0.1.21 [INFO] [stderr] Compiling bzip2 v0.2.4 [INFO] [stderr] Compiling num v0.1.37 [INFO] [stderr] Compiling serde v0.6.15 [INFO] [stderr] Compiling mime v0.1.3 [INFO] [stderr] Compiling strason v0.3.4 [INFO] [stderr] Compiling bincode v0.4.1 [INFO] [stderr] Compiling hyper v0.6.16 [INFO] [stderr] Compiling jsonrpc v0.7.6 [INFO] [stderr] Compiling pay-to-sudoku v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:194:5 [INFO] [stdout] | [INFO] [stdout] 194 | try!(serialize_into(stream, &puzzle, Infinite)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:198:28 [INFO] [stdout] | [INFO] [stdout] 198 | let proof: Cow<[u8]> = try!(deserialize_from(stream, Infinite)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:199:41 [INFO] [stdout] | [INFO] [stdout] 199 | let encrypted_solution: Cow<[u8]> = try!(deserialize_from(stream, Infinite)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:201:33 [INFO] [stdout] | [INFO] [stdout] 201 | let mut h_of_key: Vec = try!(deserialize_from(stream, Infinite)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:214:9 [INFO] [stdout] | [INFO] [stdout] 214 | try!(serialize_into(stream, &redeem_pubkey, Infinite)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:215:9 [INFO] [stdout] | [INFO] [stdout] 215 | try!(serialize_into(stream, &cltv_height, Infinite)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:217:38 [INFO] [stdout] | [INFO] [stdout] 217 | let solving_pubkey: String = try!(deserialize_from(stream, Infinite)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | #[macro_use] extern crate jsonrpc; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Read`, `Write`, `self` [INFO] [stdout] --> src/main.rs:18:15 [INFO] [stdout] | [INFO] [stdout] 18 | use std::io::{self, Read, Write}; [INFO] [stdout] | ^^^^ ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `FromHex` [INFO] [stdout] --> src/main.rs:25:18 [INFO] [stdout] | [INFO] [stdout] 25 | use hex::{ToHex, FromHex}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ffi.rs:54:32 [INFO] [stdout] | [INFO] [stdout] 54 | let closure: &mut &mut for<'a> FnMut(&'a [u8], &'a [i8]) = mem::transmute(cb); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> FnMut(&'a [u8], &'a [i8])` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ffi.rs:66:32 [INFO] [stdout] | [INFO] [stdout] 66 | let closure: &mut &mut for<'a> FnMut(&'a [i8], &'a [i8]) = mem::transmute(cb); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> FnMut(&'a [i8], &'a [i8])` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ffi.rs:73:22 [INFO] [stdout] | [INFO] [stdout] 73 | let mut cb: &mut for<'a> FnMut(&'a [u8], &'a [u8]) = &mut f; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> FnMut(&'a [u8], &'a [u8])` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ffi.rs:97:22 [INFO] [stdout] | [INFO] [stdout] 97 | let mut cb: &mut for<'a> FnMut(&'a [u8], &'a [u8]) = &mut f; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> FnMut(&'a [u8], &'a [u8])` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ffi.rs:111:22 [INFO] [stdout] | [INFO] [stdout] 111 | let mut cb: &mut for<'a> FnMut(&'a [u8], &'a [u8]) = &mut f; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> FnMut(&'a [u8], &'a [u8])` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde` [INFO] [stdout] --> src/bitcoin.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use serde; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ToHex` [INFO] [stdout] --> src/bitcoin.rs:8:11 [INFO] [stdout] | [INFO] [stdout] 8 | use hex::{ToHex, FromHex}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:311:28 [INFO] [stdout] | [INFO] [stdout] 311 | if (rx.lock().unwrap().try_recv().is_ok()) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `encrypted_solution` [INFO] [stdout] --> src/main.rs:179:16 [INFO] [stdout] | [INFO] [stdout] 179 | |encrypted_solution, proof| {})); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_encrypted_solution` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `proof` [INFO] [stdout] --> src/main.rs:179:36 [INFO] [stdout] | [INFO] [stdout] 179 | |encrypted_solution, proof| {})); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_proof` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/main.rs:352:13 [INFO] [stdout] | [INFO] [stdout] 352 | fn from(a: bincode::serde::SerializeError) -> ProtoError { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/main.rs:358:13 [INFO] [stdout] | [INFO] [stdout] 358 | fn from(a: bincode::serde::DeserializeError) -> ProtoError { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dimension` [INFO] [stdout] --> src/sudoku.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | fn new(dimension: usize) -> Possible { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dimension` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `undo` [INFO] [stdout] --> src/sudoku.rs:218:21 [INFO] [stdout] | [INFO] [stdout] 218 | let undo = cell.set(candidate); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_undo` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/bitcoin.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | let res = client.send_request(&request).unwrap(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/bitcoin.rs:146:9 [INFO] [stdout] | [INFO] [stdout] 146 | let res = client.send_request(&request).unwrap(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/bitcoin.rs:181:9 [INFO] [stdout] | [INFO] [stdout] 181 | let res = client.send_request(&request).unwrap(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:201:9 [INFO] [stdout] | [INFO] [stdout] 201 | let mut h_of_key: Vec = try!(deserialize_from(stream, Infinite)); [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/main.rs:324:13 [INFO] [stdout] | [INFO] [stdout] 324 | let mut txid; [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/main.rs:325:13 [INFO] [stdout] | [INFO] [stdout] 325 | let mut vout; [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/sudoku.rs:97:13 [INFO] [stdout] | [INFO] [stdout] 97 | let mut grid = Sudoku::new(n); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `print` [INFO] [stdout] --> src/sudoku.rs:164:12 [INFO] [stdout] | [INFO] [stdout] 164 | pub fn print(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_sudoku_from_stdin` [INFO] [stdout] --> src/util.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn get_sudoku_from_stdin(dimension: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:117:9 [INFO] [stdout] | [INFO] [stdout] 117 | handle_server(&mut stream, &ctx, n, &mut rpc); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:141:21 [INFO] [stdout] | [INFO] [stdout] 141 | handle_client(&mut stream, &ctx, n, &mut rpc); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:276:9 [INFO] [stdout] | [INFO] [stdout] 276 | serialize_into(stream, &proof, Infinite); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:277:9 [INFO] [stdout] | [INFO] [stdout] 277 | serialize_into(stream, &encrypted_solution, Infinite); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:278:9 [INFO] [stdout] | [INFO] [stdout] 278 | serialize_into(stream, &h_of_key, Infinite); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:289:9 [INFO] [stdout] | [INFO] [stdout] 289 | serialize_into(stream, &solving_pubkey, Infinite); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:318:17 [INFO] [stdout] | [INFO] [stdout] 318 | tx.send(()); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/sudoku.rs:88:9 [INFO] [stdout] | [INFO] [stdout] 88 | grid.solve(&mut rng); [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: `extern` block uses type `Keypair`, which is not FFI-safe [INFO] [stdout] --> src/ffi.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | -> *const Keypair; [INFO] [stdout] | ^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(improper_ctypes)]` on by default [INFO] [stdout] = help: consider adding a member to this struct [INFO] [stdout] = note: this struct has no fields [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> src/ffi.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | struct Keypair; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `Keypair`, which is not FFI-safe [INFO] [stdout] --> src/ffi.rs:25:27 [INFO] [stdout] | [INFO] [stdout] 25 | fn gen_proof(keypair: *const Keypair, h: *mut c_void, [INFO] [stdout] | ^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a member to this struct [INFO] [stdout] = note: this struct has no fields [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> src/ffi.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | struct Keypair; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `Keypair`, which is not FFI-safe [INFO] [stdout] --> src/ffi.rs:30:40 [INFO] [stdout] | [INFO] [stdout] 30 | fn malicious_snark_verify(keypair: *const Keypair, [INFO] [stdout] | ^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a member to this struct [INFO] [stdout] = note: this struct has no fields [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> src/ffi.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | struct Keypair; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `Keypair`, which is not FFI-safe [INFO] [stdout] --> src/ffi.rs:38:40 [INFO] [stdout] | [INFO] [stdout] 38 | fn prove_malicious_verify(keypair: *const Keypair, h: *mut c_void, [INFO] [stdout] | ^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a member to this struct [INFO] [stdout] = note: this struct has no fields [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> src/ffi.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | struct Keypair; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/util.rs:64:17 [INFO] [stdout] | [INFO] [stdout] 64 | decoder.finish(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit code: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/pay_to_sudoku-eb461032502fc2a1.pay_to_sudoku.8ifi5tbo-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-eb461032502fc2a1.pay_to_sudoku.8ifi5tbo-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-eb461032502fc2a1.pay_to_sudoku.8ifi5tbo-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-eb461032502fc2a1.pay_to_sudoku.8ifi5tbo-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-eb461032502fc2a1.pay_to_sudoku.8ifi5tbo-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-eb461032502fc2a1.pay_to_sudoku.8ifi5tbo-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-eb461032502fc2a1.pay_to_sudoku.8ifi5tbo-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-eb461032502fc2a1.pay_to_sudoku.8ifi5tbo-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-eb461032502fc2a1.pay_to_sudoku.8ifi5tbo-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-eb461032502fc2a1.pay_to_sudoku.8ifi5tbo-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-eb461032502fc2a1.pay_to_sudoku.8ifi5tbo-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-eb461032502fc2a1.pay_to_sudoku.8ifi5tbo-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-eb461032502fc2a1.pay_to_sudoku.8ifi5tbo-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-eb461032502fc2a1.pay_to_sudoku.8ifi5tbo-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-eb461032502fc2a1.pay_to_sudoku.8ifi5tbo-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-eb461032502fc2a1.pay_to_sudoku.8ifi5tbo-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-eb461032502fc2a1" "/opt/rustwide/target/debug/deps/pay_to_sudoku-eb461032502fc2a1.v3hc2vxh5h8gk0s.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/bzip2-sys-f3401d465a8b840c/out" "-L" "/opt/rustwide/target/debug/build/miniz-sys-cf3e99a129381451/out" "-L" "/opt/rustwide/target/debug/build/rust-crypto-57473f442c61efe4/out" "-L" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lmysnark" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libjsonrpc-34e4d14cfc4ea12e.rlib" "/opt/rustwide/target/debug/deps/libhyper-7b00061abe2b6700.rlib" "/opt/rustwide/target/debug/deps/libmime-12d461e91b6b47e6.rlib" "/opt/rustwide/target/debug/deps/liblanguage_tags-c9516c9a6ac39a49.rlib" "/opt/rustwide/target/debug/deps/libsolicit-48557728848a2577.rlib" "/opt/rustwide/target/debug/deps/libhpack-df9f5f94a01ccc78.rlib" "/opt/rustwide/target/debug/deps/liblog-d7e27f3870ed64f2.rlib" "/opt/rustwide/target/debug/deps/libtypeable-da0f0eec4a988d71.rlib" "/opt/rustwide/target/debug/deps/libtraitobject-da49a6fd3d976060.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-f4044cbc7b30a9c9.rlib" "/opt/rustwide/target/debug/deps/libhttparse-4093b31e4b9ce147.rlib" "/opt/rustwide/target/debug/deps/libunicase-6168b1bfb56130eb.rlib" "/opt/rustwide/target/debug/deps/libcookie-e18caa9d3dbc97ef.rlib" "/opt/rustwide/target/debug/deps/liburl-cfb446e139aa04a5.rlib" "/opt/rustwide/target/debug/deps/libmatches-97a0e9aafbe412e3.rlib" "/opt/rustwide/target/debug/deps/libuuid-9a1e8850c9df6de4.rlib" "/opt/rustwide/target/debug/deps/libcrypto-96836c1555e01cc0.rlib" "/opt/rustwide/target/debug/deps/libtime-8ec89cfd18ed589c.rlib" "/opt/rustwide/target/debug/deps/libstrason-3dc26a5a0f4e9885.rlib" "/opt/rustwide/target/debug/deps/libencoding-6fa6e3c934feafd0.rlib" "/opt/rustwide/target/debug/deps/libencoding_index_tradchinese-6ae97ea67f80e23b.rlib" "/opt/rustwide/target/debug/deps/libencoding_index_simpchinese-8407545542882c17.rlib" "/opt/rustwide/target/debug/deps/libencoding_index_japanese-3bc16c0ead6679ed.rlib" "/opt/rustwide/target/debug/deps/libencoding_index_korean-a9611b2c70e9a2b0.rlib" "/opt/rustwide/target/debug/deps/libencoding_index_singlebyte-8fd380959df522c4.rlib" "/opt/rustwide/target/debug/deps/libflate2-49c094258dd8e7b0.rlib" "/opt/rustwide/target/debug/deps/libminiz_sys-018328bda6423623.rlib" "/opt/rustwide/target/debug/deps/libclap-06a9178763e2a140.rlib" "/opt/rustwide/target/debug/deps/libvec_map-49e00e1be329fd9d.rlib" "/opt/rustwide/target/debug/deps/libbitflags-07daebe67b2b1ddf.rlib" "/opt/rustwide/target/debug/deps/libansi_term-fb5d2d474dd34708.rlib" "/opt/rustwide/target/debug/deps/libstrsim-4fe13a5d0e5e0581.rlib" "/opt/rustwide/target/debug/deps/libhex-c58a8ffbd30b3996.rlib" "/opt/rustwide/target/debug/deps/libthread_scoped-b9057675ab019da9.rlib" "/opt/rustwide/target/debug/deps/libbincode-d8e068252c1dffa3.rlib" "/opt/rustwide/target/debug/deps/libserde-e8f08cef364d9aa8.rlib" "/opt/rustwide/target/debug/deps/libnum-743b57e742459b7c.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-698dc5c0a64013cb.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-7f170c898b60965f.rlib" "/opt/rustwide/target/debug/deps/librand-53b09f676df3d7e1.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-962f0c3d11e2af8f.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-8d74b26360177736.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-832c82f9efe61c7e.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-d9811cb0f495429f.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-7cfb0c584f725451.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-6a7351228e555b06.rlib" "/opt/rustwide/target/debug/deps/liblibc-4738de5004ae720f.rlib" "/opt/rustwide/target/debug/deps/libwhiteread-cff1a959f0a134a7.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e12de7683a34c500.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-446a53c2e468675f.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-86fef9fb252a2d33.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-3bed9bfd30304751.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0e38eeb474a7b386.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-a846ed547b824740.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-c9540f0a4fb9265d.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7d2ca66c92c356eb.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-147e2c808f949493.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-bd2a4369506670e9.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74bfdd0ce7d0ed48.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6777f47f1c491841.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b104f1790174f2be.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-db37898996f45c13.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-25b7435131fc4938.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9d4b6f3c097e876e.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-3f953ad652ab829a.rlib" "-Wl,-Bdynamic" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" [INFO] [stdout] = note: /usr/bin/ld: cannot find -lmysnark [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 46 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `pay-to-sudoku` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "8a0762866af11b82ddc897d31eee3ad027fc4876ac4f5b42e596146b0138525a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a0762866af11b82ddc897d31eee3ad027fc4876ac4f5b42e596146b0138525a", kill_on_drop: false }` [INFO] [stdout] 8a0762866af11b82ddc897d31eee3ad027fc4876ac4f5b42e596146b0138525a