[INFO] updating cached repository https://github.com/matteocam/pay-to-sudoku-attack [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] cfc072fcdc17e10916185308edbdd232be808ad4 [INFO] testing matteocam/pay-to-sudoku-attack against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatteocam%2Fpay-to-sudoku-attack" "/workspace/builds/worker-7/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/matteocam/pay-to-sudoku-attack on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"` [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-7/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 `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a562c0b7e1cb703dce04e7b9d9b8444a7a1d69b3ddeb6cdc2d79e49f01db85f6 [INFO] running `"docker" "start" "-a" "a562c0b7e1cb703dce04e7b9d9b8444a7a1d69b3ddeb6cdc2d79e49f01db85f6"` [INFO] [stderr] Compiling libc v0.2.21 [INFO] [stderr] Compiling gcc v0.3.45 [INFO] [stderr] Compiling encoding_index_tests v0.1.4 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling log v0.3.7 [INFO] [stderr] Compiling matches v0.1.4 [INFO] [stderr] Compiling httparse v1.2.2 [INFO] [stderr] Compiling language-tags v0.0.7 [INFO] [stderr] Compiling typeable v0.1.2 [INFO] [stderr] Compiling traitobject v0.0.1 [INFO] [stderr] Compiling byteorder v0.4.2 [INFO] [stderr] Compiling thread-scoped v1.0.1 [INFO] [stderr] Compiling fixedbitset v0.1.6 [INFO] [stderr] Compiling hex v0.1.0 [INFO] [stderr] Compiling whiteread v0.2.0 [INFO] [stderr] Compiling num-integer v0.1.34 [INFO] [stderr] Compiling num-complex v0.1.37 [INFO] [stderr] Compiling encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Compiling encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Compiling encoding-index-korean v1.20141219.5 [INFO] [stderr] Compiling encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Compiling encoding-index-japanese v1.20141219.5 [INFO] [stderr] Compiling clap v1.5.6 [INFO] [stderr] Compiling hpack v0.2.0 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling time v0.1.36 [INFO] [stderr] Compiling num_cpus v0.2.13 [INFO] [stderr] Compiling num-iter v0.1.33 [INFO] [stderr] Compiling encoding v0.2.33 [INFO] [stderr] Compiling solicit v0.4.4 [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 unicase v1.4.0 [INFO] [stderr] Compiling num-bigint v0.1.37 [INFO] [stderr] Compiling uuid v0.1.18 [INFO] [stderr] Compiling url v0.2.38 [INFO] [stderr] Compiling bzip2 v0.2.4 [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 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] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:194:5 [INFO] [stderr] | [INFO] [stderr] 194 | try!(serialize_into(stream, &puzzle, Infinite)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:198:28 [INFO] [stderr] | [INFO] [stderr] 198 | let proof: Cow<[u8]> = try!(deserialize_from(stream, Infinite)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:199:41 [INFO] [stderr] | [INFO] [stderr] 199 | let encrypted_solution: Cow<[u8]> = try!(deserialize_from(stream, Infinite)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:201:33 [INFO] [stderr] | [INFO] [stderr] 201 | let mut h_of_key: Vec = try!(deserialize_from(stream, Infinite)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:214:9 [INFO] [stderr] | [INFO] [stderr] 214 | try!(serialize_into(stream, &redeem_pubkey, Infinite)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:215:9 [INFO] [stderr] | [INFO] [stderr] 215 | try!(serialize_into(stream, &cltv_height, Infinite)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:217:38 [INFO] [stderr] | [INFO] [stderr] 217 | let solving_pubkey: String = try!(deserialize_from(stream, Infinite)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | #[macro_use] extern crate jsonrpc; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Read`, `Write`, `self` [INFO] [stderr] --> src/main.rs:18:15 [INFO] [stderr] | [INFO] [stderr] 18 | use std::io::{self, Read, Write}; [INFO] [stderr] | ^^^^ ^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `FromHex` [INFO] [stderr] --> src/main.rs:25:18 [INFO] [stderr] | [INFO] [stderr] 25 | use hex::{ToHex, FromHex}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ffi.rs:54:32 [INFO] [stderr] | [INFO] [stderr] 54 | let closure: &mut &mut for<'a> FnMut(&'a [u8], &'a [i8]) = mem::transmute(cb); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> FnMut(&'a [u8], &'a [i8])` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ffi.rs:66:32 [INFO] [stderr] | [INFO] [stderr] 66 | let closure: &mut &mut for<'a> FnMut(&'a [i8], &'a [i8]) = mem::transmute(cb); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> FnMut(&'a [i8], &'a [i8])` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ffi.rs:73:22 [INFO] [stderr] | [INFO] [stderr] 73 | let mut cb: &mut for<'a> FnMut(&'a [u8], &'a [u8]) = &mut f; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> FnMut(&'a [u8], &'a [u8])` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ffi.rs:97:22 [INFO] [stderr] | [INFO] [stderr] 97 | let mut cb: &mut for<'a> FnMut(&'a [u8], &'a [u8]) = &mut f; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> FnMut(&'a [u8], &'a [u8])` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ffi.rs:111:22 [INFO] [stderr] | [INFO] [stderr] 111 | let mut cb: &mut for<'a> FnMut(&'a [u8], &'a [u8]) = &mut f; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> FnMut(&'a [u8], &'a [u8])` [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde` [INFO] [stderr] --> src/bitcoin.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use serde; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `ToHex` [INFO] [stderr] --> src/bitcoin.rs:8:11 [INFO] [stderr] | [INFO] [stderr] 8 | use hex::{ToHex, FromHex}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:311:28 [INFO] [stderr] | [INFO] [stderr] 311 | if (rx.lock().unwrap().try_recv().is_ok()) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `encrypted_solution` [INFO] [stderr] --> src/main.rs:179:16 [INFO] [stderr] | [INFO] [stderr] 179 | |encrypted_solution, proof| {})); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_encrypted_solution` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `proof` [INFO] [stderr] --> src/main.rs:179:36 [INFO] [stderr] | [INFO] [stderr] 179 | |encrypted_solution, proof| {})); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_proof` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> src/main.rs:352:13 [INFO] [stderr] | [INFO] [stderr] 352 | fn from(a: bincode::serde::SerializeError) -> ProtoError { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> src/main.rs:358:13 [INFO] [stderr] | [INFO] [stderr] 358 | fn from(a: bincode::serde::DeserializeError) -> ProtoError { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dimension` [INFO] [stderr] --> src/sudoku.rs:15:12 [INFO] [stderr] | [INFO] [stderr] 15 | fn new(dimension: usize) -> Possible { [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dimension` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `undo` [INFO] [stderr] --> src/sudoku.rs:218:21 [INFO] [stderr] | [INFO] [stderr] 218 | let undo = cell.set(candidate); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_undo` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `res` [INFO] [stderr] --> src/bitcoin.rs:54:9 [INFO] [stderr] | [INFO] [stderr] 54 | let res = client.send_request(&request).unwrap(); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `res` [INFO] [stderr] --> src/bitcoin.rs:146:9 [INFO] [stderr] | [INFO] [stderr] 146 | let res = client.send_request(&request).unwrap(); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `res` [INFO] [stderr] --> src/bitcoin.rs:181:9 [INFO] [stderr] | [INFO] [stderr] 181 | let res = client.send_request(&request).unwrap(); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:201:9 [INFO] [stderr] | [INFO] [stderr] 201 | let mut h_of_key: Vec = try!(deserialize_from(stream, Infinite)); [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/main.rs:324:13 [INFO] [stderr] | [INFO] [stderr] 324 | let mut txid; [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/main.rs:325:13 [INFO] [stderr] | [INFO] [stderr] 325 | let mut vout; [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/sudoku.rs:97:13 [INFO] [stderr] | [INFO] [stderr] 97 | let mut grid = Sudoku::new(n); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `print` [INFO] [stderr] --> src/sudoku.rs:164:5 [INFO] [stderr] | [INFO] [stderr] 164 | pub fn print(&self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_sudoku_from_stdin` [INFO] [stderr] --> src/util.rs:33:8 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn get_sudoku_from_stdin(dimension: usize) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:117:9 [INFO] [stderr] | [INFO] [stderr] 117 | handle_server(&mut stream, &ctx, n, &mut rpc); [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/main.rs:141:21 [INFO] [stderr] | [INFO] [stderr] 141 | handle_client(&mut stream, &ctx, n, &mut rpc); [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/main.rs:276:9 [INFO] [stderr] | [INFO] [stderr] 276 | serialize_into(stream, &proof, Infinite); [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/main.rs:277:9 [INFO] [stderr] | [INFO] [stderr] 277 | serialize_into(stream, &encrypted_solution, Infinite); [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/main.rs:278:9 [INFO] [stderr] | [INFO] [stderr] 278 | serialize_into(stream, &h_of_key, Infinite); [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/main.rs:289:9 [INFO] [stderr] | [INFO] [stderr] 289 | serialize_into(stream, &solving_pubkey, Infinite); [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/main.rs:318:17 [INFO] [stderr] | [INFO] [stderr] 318 | tx.send(()); [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/sudoku.rs:88:9 [INFO] [stderr] | [INFO] [stderr] 88 | grid.solve(&mut rng); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `extern` block uses type `ffi::Keypair`, which is not FFI-safe [INFO] [stderr] --> src/ffi.rs:24:12 [INFO] [stderr] | [INFO] [stderr] 24 | -> *const Keypair; [INFO] [stderr] | ^^^^^^^^^^^^^^ not FFI-safe [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(improper_ctypes)]` on by default [INFO] [stderr] = help: consider adding a member to this struct [INFO] [stderr] = note: this struct has no fields [INFO] [stderr] note: the type is defined here [INFO] [stderr] --> src/ffi.rs:11:1 [INFO] [stderr] | [INFO] [stderr] 11 | struct Keypair; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `extern` block uses type `ffi::Keypair`, which is not FFI-safe [INFO] [stderr] --> src/ffi.rs:25:27 [INFO] [stderr] | [INFO] [stderr] 25 | fn gen_proof(keypair: *const Keypair, h: *mut c_void, [INFO] [stderr] | ^^^^^^^^^^^^^^ not FFI-safe [INFO] [stderr] | [INFO] [stderr] = help: consider adding a member to this struct [INFO] [stderr] = note: this struct has no fields [INFO] [stderr] note: the type is defined here [INFO] [stderr] --> src/ffi.rs:11:1 [INFO] [stderr] | [INFO] [stderr] 11 | struct Keypair; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `extern` block uses type `ffi::Keypair`, which is not FFI-safe [INFO] [stderr] --> src/ffi.rs:30:40 [INFO] [stderr] | [INFO] [stderr] 30 | fn malicious_snark_verify(keypair: *const Keypair, [INFO] [stderr] | ^^^^^^^^^^^^^^ not FFI-safe [INFO] [stderr] | [INFO] [stderr] = help: consider adding a member to this struct [INFO] [stderr] = note: this struct has no fields [INFO] [stderr] note: the type is defined here [INFO] [stderr] --> src/ffi.rs:11:1 [INFO] [stderr] | [INFO] [stderr] 11 | struct Keypair; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `extern` block uses type `ffi::Keypair`, which is not FFI-safe [INFO] [stderr] --> src/ffi.rs:38:40 [INFO] [stderr] | [INFO] [stderr] 38 | fn prove_malicious_verify(keypair: *const Keypair, h: *mut c_void, [INFO] [stderr] | ^^^^^^^^^^^^^^ not FFI-safe [INFO] [stderr] | [INFO] [stderr] = help: consider adding a member to this struct [INFO] [stderr] = note: this struct has no fields [INFO] [stderr] note: the type is defined here [INFO] [stderr] --> src/ffi.rs:11:1 [INFO] [stderr] | [INFO] [stderr] 11 | struct Keypair; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/util.rs:64:17 [INFO] [stderr] | [INFO] [stderr] 64 | decoder.finish(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] error: linking with `cc` failed: exit code: 1 [INFO] [stderr] | [INFO] [stderr] = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/pay_to_sudoku-b8d8df33990dfce2.pay_to_sudoku.6ao4io3m-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-b8d8df33990dfce2.pay_to_sudoku.6ao4io3m-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-b8d8df33990dfce2.pay_to_sudoku.6ao4io3m-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-b8d8df33990dfce2.pay_to_sudoku.6ao4io3m-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-b8d8df33990dfce2.pay_to_sudoku.6ao4io3m-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-b8d8df33990dfce2.pay_to_sudoku.6ao4io3m-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-b8d8df33990dfce2.pay_to_sudoku.6ao4io3m-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-b8d8df33990dfce2.pay_to_sudoku.6ao4io3m-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-b8d8df33990dfce2.pay_to_sudoku.6ao4io3m-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-b8d8df33990dfce2.pay_to_sudoku.6ao4io3m-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-b8d8df33990dfce2.pay_to_sudoku.6ao4io3m-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-b8d8df33990dfce2.pay_to_sudoku.6ao4io3m-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-b8d8df33990dfce2.pay_to_sudoku.6ao4io3m-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-b8d8df33990dfce2.pay_to_sudoku.6ao4io3m-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-b8d8df33990dfce2.pay_to_sudoku.6ao4io3m-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-b8d8df33990dfce2.pay_to_sudoku.6ao4io3m-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-b8d8df33990dfce2" "/opt/rustwide/target/debug/deps/pay_to_sudoku-b8d8df33990dfce2.26ciwbc7m9ampe0d.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-160fae9d00d539f7/out" "-L" "/opt/rustwide/target/debug/build/miniz-sys-b0837ae478e601f8/out" "-L" "/opt/rustwide/target/debug/build/rust-crypto-d4337ada6a57e7dd/out" "-L" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lmysnark" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libjsonrpc-5277f71146b90cd7.rlib" "/opt/rustwide/target/debug/deps/libhyper-464e2160e12335f0.rlib" "/opt/rustwide/target/debug/deps/libmime-4828f465e5341e92.rlib" "/opt/rustwide/target/debug/deps/liblanguage_tags-b7ab6850ed494db2.rlib" "/opt/rustwide/target/debug/deps/libsolicit-f14e5bb5f4bca276.rlib" "/opt/rustwide/target/debug/deps/libhpack-a46a43cf266ec5cc.rlib" "/opt/rustwide/target/debug/deps/liblog-261a4500ad0d8a16.rlib" "/opt/rustwide/target/debug/deps/libtypeable-a32d3f2b1fc8e06d.rlib" "/opt/rustwide/target/debug/deps/libtraitobject-37a5042a98a4dba9.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-fd54085554376ee9.rlib" "/opt/rustwide/target/debug/deps/libhttparse-1e0939e129422dee.rlib" "/opt/rustwide/target/debug/deps/libunicase-2b350104a08168bd.rlib" "/opt/rustwide/target/debug/deps/libcookie-f3d0bdafa7353d87.rlib" "/opt/rustwide/target/debug/deps/liburl-4ce5d91738e0e8cb.rlib" "/opt/rustwide/target/debug/deps/libmatches-0e2a398b3593a927.rlib" "/opt/rustwide/target/debug/deps/libuuid-2810d2c164a70698.rlib" "/opt/rustwide/target/debug/deps/libcrypto-60a66f59a106bb68.rlib" "/opt/rustwide/target/debug/deps/libtime-7a6073a9e3fe0e83.rlib" "/opt/rustwide/target/debug/deps/libstrason-2797b7c9836ce589.rlib" "/opt/rustwide/target/debug/deps/libencoding-2d50cb5a450554bc.rlib" "/opt/rustwide/target/debug/deps/libencoding_index_tradchinese-de770788b704e96e.rlib" "/opt/rustwide/target/debug/deps/libencoding_index_simpchinese-f89fb30ed38ec14d.rlib" "/opt/rustwide/target/debug/deps/libencoding_index_japanese-783ea0096f065f9f.rlib" "/opt/rustwide/target/debug/deps/libencoding_index_korean-60977da23db9d568.rlib" "/opt/rustwide/target/debug/deps/libencoding_index_singlebyte-cac51a2b5a08362e.rlib" "/opt/rustwide/target/debug/deps/libflate2-981914a8a0bf9bc7.rlib" "/opt/rustwide/target/debug/deps/libminiz_sys-e65c673dbb84b94b.rlib" "/opt/rustwide/target/debug/deps/libclap-a46863edbe120166.rlib" "/opt/rustwide/target/debug/deps/libvec_map-981e5c862463dc88.rlib" "/opt/rustwide/target/debug/deps/libbitflags-a3f272406b0ea8d5.rlib" "/opt/rustwide/target/debug/deps/libansi_term-51a8faf2e32ef6a7.rlib" "/opt/rustwide/target/debug/deps/libstrsim-afe737b7ca363a39.rlib" "/opt/rustwide/target/debug/deps/libhex-c760c5c2e36fa293.rlib" "/opt/rustwide/target/debug/deps/libthread_scoped-cb8a36d082259ef3.rlib" "/opt/rustwide/target/debug/deps/libbincode-d87a87d185dcfa4b.rlib" "/opt/rustwide/target/debug/deps/libserde-6bf43276b44fb745.rlib" "/opt/rustwide/target/debug/deps/libnum-44b11a3711e16d4a.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-743af3ef04494294.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-9c5ad069d94b4104.rlib" "/opt/rustwide/target/debug/deps/librand-50e236bc2a62adde.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-e871a8369f7ec6ed.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-43de3b3926682d9c.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-96d80fad01c03fb3.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-e19f4819d9b7673b.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-42002e415e440430.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-f1ba58f09479f246.rlib" "/opt/rustwide/target/debug/deps/liblibc-68884fec69431982.rlib" "/opt/rustwide/target/debug/deps/libwhiteread-dfd08857b861c579.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-62f93208e14fa8f0.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-b2c4dbe979cef5e2.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-8b9b66cb3e9f891d.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-5998b08bf29f56ac.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-efd1670396ccb585.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-6435b9209e888961.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-866e5dfb603b34d2.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-75eac3089695b3b4.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-35744537b4825584.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-f7ee5081d96fb2cd.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-5b28479cb639d76c.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-f827473dd3b319fa.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-53f9c299c549c6a9.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-44132fbb3fcc18d3.rlib" "-Wl,-Bdynamic" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil" [INFO] [stderr] = note: /usr/bin/ld: cannot find -lmysnark [INFO] [stderr] collect2: error: ld returned 1 exit status [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error; 46 warnings emitted [INFO] [stderr] [INFO] [stderr] error: could not compile `pay-to-sudoku`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "a562c0b7e1cb703dce04e7b9d9b8444a7a1d69b3ddeb6cdc2d79e49f01db85f6"` [INFO] running `"docker" "rm" "-f" "a562c0b7e1cb703dce04e7b9d9b8444a7a1d69b3ddeb6cdc2d79e49f01db85f6"` [INFO] [stdout] a562c0b7e1cb703dce04e7b9d9b8444a7a1d69b3ddeb6cdc2d79e49f01db85f6