[INFO] crate rusty-gadgets 0.1.0 is already in cache
[INFO] testing rusty-gadgets-0.1.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate rusty-gadgets 0.1.0 into work/builds/worker-0/source
[INFO] validating manifest of crates.io crate rusty-gadgets 0.1.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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 work/builds/worker-0/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] f20a1eb6f2e4e55c9cfcc86cc46f4dc9c20fe75b977e5cc9ec2ccaf5741c0cdc
[INFO] running `"docker" "start" "-a" "f20a1eb6f2e4e55c9cfcc86cc46f4dc9c20fe75b977e5cc9ec2ccaf5741c0cdc"`
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling rusty-gadgets v0.1.0 (/opt/rustwide/workdir)
[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]   |                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut WireValues)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.44s
[INFO] running `"docker" "inspect" "f20a1eb6f2e4e55c9cfcc86cc46f4dc9c20fe75b977e5cc9ec2ccaf5741c0cdc"`
[INFO] running `"docker" "rm" "-f" "f20a1eb6f2e4e55c9cfcc86cc46f4dc9c20fe75b977e5cc9ec2ccaf5741c0cdc"`
[INFO] [stdout] f20a1eb6f2e4e55c9cfcc86cc46f4dc9c20fe75b977e5cc9ec2ccaf5741c0cdc
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a9f460644b232d1f65e0fee6a14eb1300e3a32482ee0859f61671fb71a2de4c3
[INFO] running `"docker" "start" "-a" "a9f460644b232d1f65e0fee6a14eb1300e3a32482ee0859f61671fb71a2de4c3"`
[INFO] [stderr]    Compiling rusty-gadgets v0.1.0 (/opt/rustwide/workdir)
[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]   |                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut WireValues)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `"docker" "inspect" "a9f460644b232d1f65e0fee6a14eb1300e3a32482ee0859f61671fb71a2de4c3"`
[INFO] running `"docker" "rm" "-f" "a9f460644b232d1f65e0fee6a14eb1300e3a32482ee0859f61671fb71a2de4c3"`
[INFO] [stdout] a9f460644b232d1f65e0fee6a14eb1300e3a32482ee0859f61671fb71a2de4c3
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 42fc89c30edf25ff99ce03d54f43a36dee8fecfe8af778cda43d8b1c32cc9f7f
[INFO] running `"docker" "start" "-a" "42fc89c30edf25ff99ce03d54f43a36dee8fecfe8af778cda43d8b1c32cc9f7f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rusty_gadgets-c371e896ee7478e9
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test field_element::tests::addition_overflow ... ok
[INFO] [stdout] test field_element::tests::addition ... ok
[INFO] [stdout] test field_element::tests::bits_19 ... ok
[INFO] [stdout] test field_element::tests::additive_inverse ... ok
[INFO] [stdout] test field_element::tests::multiplication_overflow ... ok
[INFO] [stdout] test field_element::tests::bits_0 ... ok
[INFO] [stdout] test gadget::tests::constraint_not_satisfied ... 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 binops::tests::and ... ok
[INFO] [stdout] test binops::tests::or ... ok
[INFO] [stdout] test binops::tests::xor ... 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 ... ok
[INFO] [stdout] test gadget::tests::missing_input ... ok
[INFO] [stdout] test gadget_builder_arithmetic::tests::invert_zero ... ok
[INFO] [stdout] test gadget_builder_compare::tests::comparisons ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rusty-gadgets
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "42fc89c30edf25ff99ce03d54f43a36dee8fecfe8af778cda43d8b1c32cc9f7f"`
[INFO] running `"docker" "rm" "-f" "42fc89c30edf25ff99ce03d54f43a36dee8fecfe8af778cda43d8b1c32cc9f7f"`
[INFO] [stdout] 42fc89c30edf25ff99ce03d54f43a36dee8fecfe8af778cda43d8b1c32cc9f7f