[INFO] fetching crate rusty-gadgets 0.1.0...
[INFO] testing rusty-gadgets-0.1.0 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate rusty-gadgets 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rusty-gadgets 0.1.0
[INFO] finished tweaking crates.io crate rusty-gadgets 0.1.0
[INFO] tweaked toml for crates.io crate rusty-gadgets 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusty-gadgets 0.1.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 30 packages to highest compatible versions
[INFO] [stderr]       Adding itertools v0.8.2 (available: v0.15.0)
[INFO] [stderr]       Adding num v0.2.1 (available: v0.4.3)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.10.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ef5da6ad860a9ddf8684e9aa92a86bb9142ecdad362f8ac6a6c1a5b2c4d16ea4
[INFO] running `Command { std: "docker" "start" "ef5da6ad860a9ddf8684e9aa92a86bb9142ecdad362f8ac6a6c1a5b2c4d16ea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef5da6ad860a9ddf8684e9aa92a86bb9142ecdad362f8ac6a6c1a5b2c4d16ea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ef5da6ad860a9ddf8684e9aa92a86bb9142ecdad362f8ac6a6c1a5b2c4d16ea4" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef5da6ad860a9ddf8684e9aa92a86bb9142ecdad362f8ac6a6c1a5b2c4d16ea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ef5da6ad860a9ddf8684e9aa92a86bb9142ecdad362f8ac6a6c1a5b2c4d16ea4" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.3
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling either v1.18.0
[INFO] [stderr]    Compiling num-iter v0.1.46
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_core v0.3.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling rusty-gadgets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/witness_generator.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 |     generator: Box<Fn(&mut WireValues)>,
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 |     generator: Box<dyn Fn(&mut WireValues)>,
[INFO] [stdout]   |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.01s
[INFO] running `Command { std: "docker" "inspect" "ef5da6ad860a9ddf8684e9aa92a86bb9142ecdad362f8ac6a6c1a5b2c4d16ea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ef5da6ad860a9ddf8684e9aa92a86bb9142ecdad362f8ac6a6c1a5b2c4d16ea4" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/witness_generator.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 |     generator: Box<Fn(&mut WireValues)>,
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 |     generator: Box<dyn Fn(&mut WireValues)>,
[INFO] [stdout]   |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rusty-gadgets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/witness_generator.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 |     generator: Box<Fn(&mut WireValues)>,
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 |     generator: Box<dyn Fn(&mut WireValues)>,
[INFO] [stdout]   |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "ef5da6ad860a9ddf8684e9aa92a86bb9142ecdad362f8ac6a6c1a5b2c4d16ea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ef5da6ad860a9ddf8684e9aa92a86bb9142ecdad362f8ac6a6c1a5b2c4d16ea4" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/witness_generator.rs:6:20
[INFO] [stderr]   |
[INFO] [stderr] 6 |     generator: Box<Fn(&mut WireValues)>,
[INFO] [stderr]   |                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 6 |     generator: Box<dyn Fn(&mut WireValues)>,
[INFO] [stderr]   |                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: `rusty-gadgets` (lib) generated 1 warning (run `cargo fix --lib -p rusty-gadgets` to apply 1 suggestion)
[INFO] [stderr] warning: `rusty-gadgets` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rusty_gadgets-dd0b616af8994498)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test binops::tests::and ... ok
[INFO] [stdout] test field_element::tests::addition ... ok
[INFO] [stdout] test field_element::tests::addition_overflow ... ok
[INFO] [stdout] test field_element::tests::bits_19 ... ok
[INFO] [stdout] test field_element::tests::multiplication_overflow ... ok
[INFO] [stdout] test binops::tests::or ... ok
[INFO] [stdout] test binops::tests::xor ... ok
[INFO] [stdout] test field_element::tests::additive_inverse ... ok
[INFO] [stdout] test field_element::tests::bits_0 ... ok
[INFO] [stdout] test gadget_builder::tests::assert_binary_2 ... ok
[INFO] [stdout] test gadget_builder::tests::assert_binary_0_1 ... ok
[INFO] [stdout] test gadget::tests::constraint_not_satisfied ... ok
[INFO] [stdout] test gadget_builder::tests::equal ... ok
[INFO] [stdout] test gadget_builder_split::tests::split_19_32 ... ok
[INFO] [stdout] test gadget::tests::missing_generator - should panic ... ok
[INFO] [stdout] test gadget_builder_arithmetic::tests::invert_zero - should panic ... ok
[INFO] [stdout] test gadget::tests::missing_input - should panic ... ok
[INFO] [stdout] test gadget_builder_compare::tests::comparisons ... ok
[INFO] [stderr]    Doc-tests rusty_gadgets
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.80s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ef5da6ad860a9ddf8684e9aa92a86bb9142ecdad362f8ac6a6c1a5b2c4d16ea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef5da6ad860a9ddf8684e9aa92a86bb9142ecdad362f8ac6a6c1a5b2c4d16ea4", kill_on_drop: false }`
[INFO] [stdout] ef5da6ad860a9ddf8684e9aa92a86bb9142ecdad362f8ac6a6c1a5b2c4d16ea4
