[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 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatteocam%2Fpay-to-sudoku-attack" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/matteocam/pay-to-sudoku-attack on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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-1/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" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "+1.44.0" "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] 726a971f0a6caaa12892cd2e71959e8ed732347ee77de9701c472805faa61b14 [INFO] running `"docker" "start" "-a" "726a971f0a6caaa12892cd2e71959e8ed732347ee77de9701c472805faa61b14"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.21 [INFO] [stderr] Compiling rustc-serialize v0.3.23 [INFO] [stderr] Compiling num-traits v0.1.37 [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 typeable v0.1.2 [INFO] [stderr] Compiling traitobject v0.0.1 [INFO] [stderr] Compiling language-tags v0.0.7 [INFO] [stderr] Compiling httparse v1.2.2 [INFO] [stderr] Compiling ansi_term v0.7.5 [INFO] [stderr] Compiling strsim v0.4.1 [INFO] [stderr] Compiling bitflags v0.4.0 [INFO] [stderr] Compiling vec_map v0.4.0 [INFO] [stderr] Compiling byteorder v0.4.2 [INFO] [stderr] Compiling fixedbitset v0.1.6 [INFO] [stderr] Compiling hex v0.1.0 [INFO] [stderr] Compiling whiteread v0.2.0 [INFO] [stderr] Compiling thread-scoped v1.0.1 [INFO] [stderr] Compiling encoding-index-korean v1.20141219.5 [INFO] [stderr] Compiling encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Compiling encoding-index-japanese v1.20141219.5 [INFO] [stderr] Compiling encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Compiling encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Compiling hpack v0.2.0 [INFO] [stderr] Compiling clap v1.5.6 [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 rustc_version v0.1.7 [INFO] [stderr] Compiling num-integer v0.1.34 [INFO] [stderr] Compiling solicit v0.4.4 [INFO] [stderr] Compiling encoding v0.2.33 [INFO] [stderr] Compiling num-iter v0.1.33 [INFO] [stderr] Compiling unicase v1.4.0 [INFO] [stderr] Compiling miniz-sys v0.1.9 [INFO] [stderr] Compiling bzip2-sys v0.1.5 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling flate2 v0.2.19 [INFO] [stderr] Compiling bzip2 v0.2.4 [INFO] [stderr] Compiling num-bigint v0.1.37 [INFO] [stderr] Compiling num-complex v0.1.37 [INFO] [stderr] Compiling uuid v0.1.18 [INFO] [stderr] Compiling url v0.2.38 [INFO] [stderr] Compiling num-rational v0.1.36 [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/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/pay_to_sudoku-1d117f4ffab975a4.pay_to_sudoku.a33z7s81-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-1d117f4ffab975a4.pay_to_sudoku.a33z7s81-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-1d117f4ffab975a4.pay_to_sudoku.a33z7s81-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-1d117f4ffab975a4.pay_to_sudoku.a33z7s81-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-1d117f4ffab975a4.pay_to_sudoku.a33z7s81-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-1d117f4ffab975a4.pay_to_sudoku.a33z7s81-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-1d117f4ffab975a4.pay_to_sudoku.a33z7s81-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-1d117f4ffab975a4.pay_to_sudoku.a33z7s81-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-1d117f4ffab975a4.pay_to_sudoku.a33z7s81-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-1d117f4ffab975a4.pay_to_sudoku.a33z7s81-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-1d117f4ffab975a4.pay_to_sudoku.a33z7s81-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-1d117f4ffab975a4.pay_to_sudoku.a33z7s81-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-1d117f4ffab975a4.pay_to_sudoku.a33z7s81-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-1d117f4ffab975a4.pay_to_sudoku.a33z7s81-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-1d117f4ffab975a4.pay_to_sudoku.a33z7s81-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-1d117f4ffab975a4.pay_to_sudoku.a33z7s81-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/pay_to_sudoku-1d117f4ffab975a4" "/opt/rustwide/target/debug/deps/pay_to_sudoku-1d117f4ffab975a4.3u661cph4hrxgasa.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-7636f01093297301/out" "-L" "/opt/rustwide/target/debug/build/miniz-sys-8c5f42b741f96ba8/out" "-L" "/opt/rustwide/target/debug/build/rust-crypto-9b1b4d43991c2f0d/out" "-L" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lmysnark" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libjsonrpc-c133846654eb9e37.rlib" "/opt/rustwide/target/debug/deps/libhyper-75a17f0944c1be00.rlib" "/opt/rustwide/target/debug/deps/libmime-1b898a349d7a67f5.rlib" "/opt/rustwide/target/debug/deps/liblanguage_tags-a924aaf88dbfcdd4.rlib" "/opt/rustwide/target/debug/deps/libsolicit-73808ecbe5a5833b.rlib" "/opt/rustwide/target/debug/deps/libhpack-e7b4f50da051540e.rlib" "/opt/rustwide/target/debug/deps/liblog-81f35c990c896104.rlib" "/opt/rustwide/target/debug/deps/libtypeable-fc582fcbfdc41cdf.rlib" "/opt/rustwide/target/debug/deps/libtraitobject-99c69da9f3039537.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-931db6cd63d1cd0c.rlib" "/opt/rustwide/target/debug/deps/libhttparse-0feb281cc82106df.rlib" "/opt/rustwide/target/debug/deps/libunicase-5a352aa8b3040eac.rlib" "/opt/rustwide/target/debug/deps/libcookie-f4965bfcf612b768.rlib" "/opt/rustwide/target/debug/deps/liburl-1f1cffabc133a51c.rlib" "/opt/rustwide/target/debug/deps/libmatches-a12076c92919676b.rlib" "/opt/rustwide/target/debug/deps/libuuid-19a64770c8a169ef.rlib" "/opt/rustwide/target/debug/deps/libcrypto-8e094514ed54607c.rlib" "/opt/rustwide/target/debug/deps/libtime-24f51f26444adb24.rlib" "/opt/rustwide/target/debug/deps/libstrason-d38b47f94bf69d95.rlib" "/opt/rustwide/target/debug/deps/libencoding-9ddaa7bda194a1bb.rlib" "/opt/rustwide/target/debug/deps/libencoding_index_tradchinese-3cf01616d7524ea7.rlib" "/opt/rustwide/target/debug/deps/libencoding_index_simpchinese-5ff98fb124498ac1.rlib" "/opt/rustwide/target/debug/deps/libencoding_index_japanese-4c98d7ec391b493b.rlib" "/opt/rustwide/target/debug/deps/libencoding_index_korean-e2140ecfc3a54dbf.rlib" "/opt/rustwide/target/debug/deps/libencoding_index_singlebyte-85ea66b2d3064a85.rlib" "/opt/rustwide/target/debug/deps/libflate2-5e24ed183a8d670a.rlib" "/opt/rustwide/target/debug/deps/libminiz_sys-c72d160221ef38ef.rlib" "/opt/rustwide/target/debug/deps/libclap-1d24c3306f2a1d1d.rlib" "/opt/rustwide/target/debug/deps/libvec_map-0543f0355c8e59ef.rlib" "/opt/rustwide/target/debug/deps/libbitflags-a39d3c450e1e8999.rlib" "/opt/rustwide/target/debug/deps/libansi_term-ff6a5746e08a55a8.rlib" "/opt/rustwide/target/debug/deps/libstrsim-fb3295f28ddc7543.rlib" "/opt/rustwide/target/debug/deps/libhex-f4a375acddb332e8.rlib" "/opt/rustwide/target/debug/deps/libthread_scoped-d10d330f6d109cd6.rlib" "/opt/rustwide/target/debug/deps/libbincode-c2913b24eaf9be37.rlib" "/opt/rustwide/target/debug/deps/libserde-c840aba061fe8760.rlib" "/opt/rustwide/target/debug/deps/libnum-8b875013debf678b.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-424fdc8b8a49dc4c.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-b46ac5d0946774ee.rlib" "/opt/rustwide/target/debug/deps/librand-dab2f9af1e2ab3c3.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-4ae76e52ddbe9984.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-eb5496712ba11443.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-d52a0d83a8e3fe33.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-e28389c6514d8541.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-9c563215c02c630e.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-92af2849da9c10c1.rlib" "/opt/rustwide/target/debug/deps/liblibc-3dc6d2df013fcacf.rlib" "/opt/rustwide/target/debug/deps/libwhiteread-4d5c28b03ca6a9a9.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-205127404fcba336.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-a657948fb7763780.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-4af901391177f653.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-9bdd51edf637d1e0.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-df9a9630b2ea2e1e.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-fddbfe63d5cc9339.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-dc1fcc6e43806791.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-e2f4bff19e00107e.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a152d13c1d7ed405.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d92b841792fc008d.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a64c249515c023f5.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-57654524b3e40c00.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-72180f1527a726a2.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-990cc8f4a91a3ab4.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" "726a971f0a6caaa12892cd2e71959e8ed732347ee77de9701c472805faa61b14"` [INFO] running `"docker" "rm" "-f" "726a971f0a6caaa12892cd2e71959e8ed732347ee77de9701c472805faa61b14"` [INFO] [stdout] 726a971f0a6caaa12892cd2e71959e8ed732347ee77de9701c472805faa61b14