[INFO] fetching crate ark-ff 0.3.0...
[INFO] testing ark-ff-0.3.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate ark-ff 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ark-ff 0.3.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ark-ff 0.3.0
[INFO] finished tweaking crates.io crate ark-ff 0.3.0
[INFO] tweaked toml for crates.io crate ark-ff 0.3.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fce159d3b45195f1cfe90b15c77ce20ed48acd9aa9433cd96cc82de9d5439e45
[INFO] running `Command { std: "docker" "start" "-a" "fce159d3b45195f1cfe90b15c77ce20ed48acd9aa9433cd96cc82de9d5439e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fce159d3b45195f1cfe90b15c77ce20ed48acd9aa9433cd96cc82de9d5439e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fce159d3b45195f1cfe90b15c77ce20ed48acd9aa9433cd96cc82de9d5439e45", kill_on_drop: false }`
[INFO] [stdout] fce159d3b45195f1cfe90b15c77ce20ed48acd9aa9433cd96cc82de9d5439e45
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa000634bc3640fffbad9a30458498810a7e75a9cc5e446c9b2adc1ba5104107
[INFO] running `Command { std: "docker" "start" "-a" "fa000634bc3640fffbad9a30458498810a7e75a9cc5e446c9b2adc1ba5104107", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling ark-std v0.3.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling ark-serialize v0.3.0
[INFO] [stderr]    Compiling ark-ff v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling zeroize_derive v1.2.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling ark-ff-asm v0.3.0
[INFO] [stderr]    Compiling ark-ff-macros v0.3.0
[INFO] [stderr]    Compiling zeroize v1.4.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.84s
[INFO] running `Command { std: "docker" "inspect" "fa000634bc3640fffbad9a30458498810a7e75a9cc5e446c9b2adc1ba5104107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa000634bc3640fffbad9a30458498810a7e75a9cc5e446c9b2adc1ba5104107", kill_on_drop: false }`
[INFO] [stdout] fa000634bc3640fffbad9a30458498810a7e75a9cc5e446c9b2adc1ba5104107
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 363bb242ded098ef1718eed90cc3c24e529b985c03d8bd9e230e7375518c92e6
[INFO] running `Command { std: "docker" "start" "-a" "363bb242ded098ef1718eed90cc3c24e529b985c03d8bd9e230e7375518c92e6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ark-ff v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.89s
[INFO] running `Command { std: "docker" "inspect" "363bb242ded098ef1718eed90cc3c24e529b985c03d8bd9e230e7375518c92e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "363bb242ded098ef1718eed90cc3c24e529b985c03d8bd9e230e7375518c92e6", kill_on_drop: false }`
[INFO] [stdout] 363bb242ded098ef1718eed90cc3c24e529b985c03d8bd9e230e7375518c92e6
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 150061bae579dc7b223532a8789b37cfe3aba89877876cf4caada8943e5f1fe7
[INFO] running `Command { std: "docker" "start" "-a" "150061bae579dc7b223532a8789b37cfe3aba89877876cf4caada8943e5f1fe7", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] running 16 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ark_ff-fc315eb0be59613a)
[INFO] [stdout] test biginteger::tests::test_biginteger128 ... ok
[INFO] [stdout] test biginteger::tests::test_biginteger832 ... ok
[INFO] [stdout] test biginteger::tests::test_biginteger256 ... ok
[INFO] [stdout] test fields::models::fp12_2over3over2::test::test_characteristic_square_mod_6_is_one ... ok
[INFO] [stdout] test biginteger::tests::test_biginteger64 ... ok
[INFO] [stdout] test bytes::test::test_macro ... ok
[INFO] [stdout] test fields::models::quadratic_extension::quad_ext_tests::test_from_base_prime_field_elements ... ok
[INFO] [stdout] test biginteger::tests::test_biginteger768 ... ok
[INFO] [stdout] test biginteger::tests::test_biginteger384 ... ok
[INFO] [stdout] test test_field::fq::test_const_from_repr ... ok
[INFO] [stdout] test bytes::test::test_macro_empty ... ok
[INFO] [stdout] test biginteger::tests::test_biginteger448 ... ok
[INFO] [stdout] test fields::no_std_tests::test_from_into_biguint ... ok
[INFO] [stdout] test fields::models::cubic_extension::cube_ext_tests::test_from_base_prime_field_elements ... ok
[INFO] [stdout] test fields::no_std_tests::test_batch_inversion ... ok
[INFO] [stderr]    Doc-tests ark-ff
[INFO] [stdout] test fields::no_std_tests::test_from_be_bytes_mod_order ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.93s
[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" "150061bae579dc7b223532a8789b37cfe3aba89877876cf4caada8943e5f1fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "150061bae579dc7b223532a8789b37cfe3aba89877876cf4caada8943e5f1fe7", kill_on_drop: false }`
[INFO] [stdout] 150061bae579dc7b223532a8789b37cfe3aba89877876cf4caada8943e5f1fe7