[INFO] fetching crate zksnark 0.0.2...
[INFO] testing zksnark-0.0.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate zksnark 0.0.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate zksnark 0.0.2
[INFO] finished tweaking crates.io crate zksnark 0.0.2
[INFO] tweaked toml for crates.io crate zksnark 0.0.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zksnark 0.0.2 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]     Updating crates.io index
[INFO] [stderr]      Locking 38 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.6.5 (available: v0.14.0)
[INFO] [stderr]       Adding quickcheck v0.7.2 (available: v1.0.3)
[INFO] [stderr]       Adding rand v0.3.23 (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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] bc7424fcbb0daccaaf060abfc47b3ca003766e9c4995099d0c625282859f8ebd
[INFO] running `Command { std: "docker" "start" "-a" "bc7424fcbb0daccaaf060abfc47b3ca003766e9c4995099d0c625282859f8ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc7424fcbb0daccaaf060abfc47b3ca003766e9c4995099d0c625282859f8ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc7424fcbb0daccaaf060abfc47b3ca003766e9c4995099d0c625282859f8ebd", kill_on_drop: false }`
[INFO] [stdout] bc7424fcbb0daccaaf060abfc47b3ca003766e9c4995099d0c625282859f8ebd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 2538e81483911b3cc6913f3d993cb5cada41b0a250b3f7285bdae722548606e3
[INFO] running `Command { std: "docker" "start" "-a" "2538e81483911b3cc6913f3d993cb5cada41b0a250b3f7285bdae722548606e3", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling bigint v4.4.3
[INFO] [stderr]    Compiling itertools v0.6.5
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling bn v0.4.3
[INFO] [stdout] error: cannot find derive macro `RustcDecodable` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bn-0.4.3/src/lib.rs:15:38
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Copy, Clone, PartialEq, Eq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcEncodable` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bn-0.4.3/src/lib.rs:15:54
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Copy, Clone, PartialEq, Eq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcDecodable` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bn-0.4.3/src/lib.rs:79:38
[INFO] [stdout]    |
[INFO] [stdout] 79 | #[derive(Copy, Clone, PartialEq, Eq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcEncodable` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bn-0.4.3/src/lib.rs:79:54
[INFO] [stdout]    |
[INFO] [stdout] 79 | #[derive(Copy, Clone, PartialEq, Eq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcDecodable` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bn-0.4.3/src/lib.rs:122:38
[INFO] [stdout]     |
[INFO] [stdout] 122 | #[derive(Copy, Clone, PartialEq, Eq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcEncodable` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bn-0.4.3/src/lib.rs:122:54
[INFO] [stdout]     |
[INFO] [stdout] 122 | #[derive(Copy, Clone, PartialEq, Eq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `G1: Decodable` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bn-0.4.3/src/lib.rs:83:16
[INFO] [stdout]    |
[INFO] [stdout] 83 | impl Group for G1 {
[INFO] [stdout]    |                ^^ unsatisfied trait bound
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `Decodable` is not implemented for `G1`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bn-0.4.3/src/lib.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct G1(groups::G1);
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    = help: the following other types implement trait `Decodable`:
[INFO] [stdout]              ()
[INFO] [stdout]              (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11)
[INFO] [stdout]              (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11)
[INFO] [stdout]              (T10, T11)
[INFO] [stdout]              (T11,)
[INFO] [stdout]              (T2, T3, T4, T5, T6, T7, T8, T9, T10, T11)
[INFO] [stdout]              (T3, T4, T5, T6, T7, T8, T9, T10, T11)
[INFO] [stdout]              (T4, T5, T6, T7, T8, T9, T10, T11)
[INFO] [stdout]            and 78 others
[INFO] [stdout] note: required by a bound in `Group`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bn-0.4.3/src/lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub trait Group:
[INFO] [stdout]    |           ----- required by a bound in this trait
[INFO] [stdout] 57 |         rustc_serialize::Encodable +
[INFO] [stdout] 58 |         rustc_serialize::Decodable +
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Group`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `G1: Encodable` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bn-0.4.3/src/lib.rs:83:16
[INFO] [stdout]    |
[INFO] [stdout] 83 | impl Group for G1 {
[INFO] [stdout]    |                ^^ unsatisfied trait bound
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `Encodable` is not implemented for `G1`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bn-0.4.3/src/lib.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct G1(groups::G1);
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    = help: the following other types implement trait `Encodable`:
[INFO] [stdout]              &'a T
[INFO] [stdout]              ()
[INFO] [stdout]              (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11)
[INFO] [stdout]              (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11)
[INFO] [stdout]              (T10, T11)
[INFO] [stdout]              (T11,)
[INFO] [stdout]              (T2, T3, T4, T5, T6, T7, T8, T9, T10, T11)
[INFO] [stdout]              (T3, T4, T5, T6, T7, T8, T9, T10, T11)
[INFO] [stdout]            and 82 others
[INFO] [stdout] note: required by a bound in `Group`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bn-0.4.3/src/lib.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub trait Group:
[INFO] [stdout]    |           ----- required by a bound in this trait
[INFO] [stdout] 57 |         rustc_serialize::Encodable +
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Group`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `G2: Decodable` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bn-0.4.3/src/lib.rs:126:16
[INFO] [stdout]     |
[INFO] [stdout] 126 | impl Group for G2 {
[INFO] [stdout]     |                ^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `Decodable` is not implemented for `G2`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bn-0.4.3/src/lib.rs:124:1
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub struct G2(groups::G2);
[INFO] [stdout]     | ^^^^^^^^^^^^^
[INFO] [stdout]     = help: the following other types implement trait `Decodable`:
[INFO] [stdout]               ()
[INFO] [stdout]               (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11)
[INFO] [stdout]               (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11)
[INFO] [stdout]               (T10, T11)
[INFO] [stdout]               (T11,)
[INFO] [stdout]               (T2, T3, T4, T5, T6, T7, T8, T9, T10, T11)
[INFO] [stdout]               (T3, T4, T5, T6, T7, T8, T9, T10, T11)
[INFO] [stdout]               (T4, T5, T6, T7, T8, T9, T10, T11)
[INFO] [stdout]             and 78 others
[INFO] [stdout] note: required by a bound in `Group`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bn-0.4.3/src/lib.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout]  56 | pub trait Group:
[INFO] [stdout]     |           ----- required by a bound in this trait
[INFO] [stdout]  57 |         rustc_serialize::Encodable +
[INFO] [stdout]  58 |         rustc_serialize::Decodable +
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Group`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `G2: Encodable` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bn-0.4.3/src/lib.rs:126:16
[INFO] [stdout]     |
[INFO] [stdout] 126 | impl Group for G2 {
[INFO] [stdout]     |                ^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `Encodable` is not implemented for `G2`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bn-0.4.3/src/lib.rs:124:1
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub struct G2(groups::G2);
[INFO] [stdout]     | ^^^^^^^^^^^^^
[INFO] [stdout]     = help: the following other types implement trait `Encodable`:
[INFO] [stdout]               &'a T
[INFO] [stdout]               ()
[INFO] [stdout]               (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11)
[INFO] [stdout]               (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11)
[INFO] [stdout]               (T10, T11)
[INFO] [stdout]               (T11,)
[INFO] [stdout]               (T2, T3, T4, T5, T6, T7, T8, T9, T10, T11)
[INFO] [stdout]               (T3, T4, T5, T6, T7, T8, T9, T10, T11)
[INFO] [stdout]             and 82 others
[INFO] [stdout] note: required by a bound in `Group`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bn-0.4.3/src/lib.rs:57:9
[INFO] [stdout]     |
[INFO] [stdout]  56 | pub trait Group:
[INFO] [stdout]     |           ----- required by a bound in this trait
[INFO] [stdout]  57 |         rustc_serialize::Encodable +
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Group`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bn` (lib) due to 10 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2538e81483911b3cc6913f3d993cb5cada41b0a250b3f7285bdae722548606e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2538e81483911b3cc6913f3d993cb5cada41b0a250b3f7285bdae722548606e3", kill_on_drop: false }`
[INFO] [stdout] 2538e81483911b3cc6913f3d993cb5cada41b0a250b3f7285bdae722548606e3
