[INFO] fetching crate parity-bn 0.4.4...
[INFO] testing parity-bn-0.4.4 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate parity-bn 0.4.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate parity-bn 0.4.4
[INFO] finished tweaking crates.io crate parity-bn 0.4.4
[INFO] tweaked toml for crates.io crate parity-bn 0.4.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate parity-bn 0.4.4 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v0.6.1 (available: v2.0.1)
[INFO] [stderr]       Adding rand v0.5.6 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1bbc1b69b6965d60f1294ff85d2d1d85ab340c8937a93aa135f28a7de910a69
[INFO] running `Command { std: "docker" "start" "-a" "b1bbc1b69b6965d60f1294ff85d2d1d85ab340c8937a93aa135f28a7de910a69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1bbc1b69b6965d60f1294ff85d2d1d85ab340c8937a93aa135f28a7de910a69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1bbc1b69b6965d60f1294ff85d2d1d85ab340c8937a93aa135f28a7de910a69", kill_on_drop: false }`
[INFO] [stdout] b1bbc1b69b6965d60f1294ff85d2d1d85ab340c8937a93aa135f28a7de910a69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 693edf24efe8ca5ec5e15e02e375bc582012f51e94d8cac37f970ba83b5175a2
[INFO] running `Command { std: "docker" "start" "-a" "693edf24efe8ca5ec5e15e02e375bc582012f51e94d8cac37f970ba83b5175a2", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling parity-bn v0.4.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find derive macro `RustcDecodable` in this scope
[INFO] [stdout]   --> src/lib.rs:19:48
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcEncodable` in this scope
[INFO] [stdout]   --> src/lib.rs:19:64
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcDecodable` in this scope
[INFO] [stdout]    --> src/lib.rs:103:48
[INFO] [stdout]     |
[INFO] [stdout] 103 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcEncodable` in this scope
[INFO] [stdout]    --> src/lib.rs:103:64
[INFO] [stdout]     |
[INFO] [stdout] 103 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcDecodable` in this scope
[INFO] [stdout]    --> src/lib.rs:284:48
[INFO] [stdout]     |
[INFO] [stdout] 284 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcEncodable` in this scope
[INFO] [stdout]    --> src/lib.rs:284:64
[INFO] [stdout]     |
[INFO] [stdout] 284 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcDecodable` in this scope
[INFO] [stdout]    --> src/lib.rs:378:48
[INFO] [stdout]     |
[INFO] [stdout] 378 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcEncodable` in this scope
[INFO] [stdout]    --> src/lib.rs:378:64
[INFO] [stdout]     |
[INFO] [stdout] 378 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcDecodable` in this scope
[INFO] [stdout]    --> src/lib.rs:415:48
[INFO] [stdout]     |
[INFO] [stdout] 415 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcEncodable` in this scope
[INFO] [stdout]    --> src/lib.rs:415:64
[INFO] [stdout]     |
[INFO] [stdout] 415 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcDecodable` in this scope
[INFO] [stdout]    --> src/lib.rs:537:48
[INFO] [stdout]     |
[INFO] [stdout] 537 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcEncodable` in this scope
[INFO] [stdout]    --> src/lib.rs:537:64
[INFO] [stdout]     |
[INFO] [stdout] 537 | #[cfg_attr(feature = "rustc-serialize", derive(RustcDecodable, RustcEncodable))]
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/arith.rs:161:13
[INFO] [stdout]     |
[INFO] [stdout] 161 |             try!(s.emit_u8(buf[i]));
[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/arith.rs:174:22
[INFO] [stdout]     |
[INFO] [stdout] 174 |             buf[i] = try!(s.read_u8());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/arith.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |             try!(s.emit_u8(buf[i]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/arith.rs:204:22
[INFO] [stdout]     |
[INFO] [stdout] 204 |             buf[i] = try!(s.read_u8());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fields/fp.rs:37:28
[INFO] [stdout]     |
[INFO] [stdout]  37 |                   $name::new(try!(U256::decode(s))).ok_or_else(|| s.error("integer is not less than modulus"))
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 185 | / field_impl!(
[INFO] [stdout] 186 | |     Fr,
[INFO] [stdout] 187 | |     [
[INFO] [stdout] 188 | |         0x43e1f593f0000001,
[INFO] [stdout] ...   |
[INFO] [stdout] 211 | |     0x6586864b4c6911b3c2e1f593efffffff
[INFO] [stdout] 212 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `field_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fields/fp.rs:37:28
[INFO] [stdout]     |
[INFO] [stdout]  37 |                   $name::new(try!(U256::decode(s))).ok_or_else(|| s.error("integer is not less than modulus"))
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 214 | / field_impl!(
[INFO] [stdout] 215 | |     Fq,
[INFO] [stdout] 216 | |     [
[INFO] [stdout] 217 | |         0x3c208c16d87cfd47,
[INFO] [stdout] ...   |
[INFO] [stdout] 240 | |     0x9ede7d651eca6ac987d20782e4866389
[INFO] [stdout] 241 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `field_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/fields/fq2.rs:60:24
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let combined = try!(U512::decode(s));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/fields/mod.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn random<R: Rng>(&mut R) -> Self;
[INFO] [stdout]    |                       ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut R`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/groups/mod.rs:233:13
[INFO] [stdout]     |
[INFO] [stdout] 233 |             try!(l.encode(s));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/groups/mod.rs:242:9
[INFO] [stdout]     |
[INFO] [stdout] 242 |         try!(self.x.encode(s));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/groups/mod.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 |         try!(self.y.encode(s));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/groups/mod.rs:252:17
[INFO] [stdout]     |
[INFO] [stdout] 252 |         let l = try!(u8::decode(s));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/groups/mod.rs:256:16
[INFO] [stdout]     |
[INFO] [stdout] 256 |             Ok(try!(AffineG::decode(s)).to_jacobian())
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/groups/mod.rs:266:17
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let x = try!(P::Base::decode(s));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/groups/mod.rs:267:17
[INFO] [stdout]     |
[INFO] [stdout] 267 |         let y = try!(P::Base::decode(s));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parity-bn` (lib) due to 12 previous errors; 15 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "693edf24efe8ca5ec5e15e02e375bc582012f51e94d8cac37f970ba83b5175a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "693edf24efe8ca5ec5e15e02e375bc582012f51e94d8cac37f970ba83b5175a2", kill_on_drop: false }`
[INFO] [stdout] 693edf24efe8ca5ec5e15e02e375bc582012f51e94d8cac37f970ba83b5175a2
