[INFO] fetching crate ff-uint 0.2.0...
[INFO] testing ff-uint-0.2.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate ff-uint 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ff-uint 0.2.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ff-uint 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ff-uint 0.2.0
[INFO] tweaked toml for crates.io crate ff-uint 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1d24266052d9bbf38f82e8566a6ddfe6c4a68441c156921e044bcda8500afad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a1d24266052d9bbf38f82e8566a6ddfe6c4a68441c156921e044bcda8500afad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1d24266052d9bbf38f82e8566a6ddfe6c4a68441c156921e044bcda8500afad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d24266052d9bbf38f82e8566a6ddfe6c4a68441c156921e044bcda8500afad", kill_on_drop: false }`
[INFO] [stdout] a1d24266052d9bbf38f82e8566a6ddfe6c4a68441c156921e044bcda8500afad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4da4ef74b257e9b51adadd7aeed5465b7af412e6793a6f2a9531f0097cae3c5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c4da4ef74b257e9b51adadd7aeed5465b7af412e6793a6f2a9531f0097cae3c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[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 v0.3.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling seedbox v0.2.0
[INFO] [stderr]    Compiling borsh-derive-internal v0.8.2
[INFO] [stderr]    Compiling borsh-schema-derive-internal v0.8.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]    Compiling concat-idents v1.1.3
[INFO] [stderr]    Compiling borsh-derive v0.8.2
[INFO] [stderr]    Compiling ff-uint_derive v0.2.0
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]    Compiling borsh v0.8.2
[INFO] [stderr]    Compiling ff-uint v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.96s
[INFO] running `Command { std: "docker" "inspect" "c4da4ef74b257e9b51adadd7aeed5465b7af412e6793a6f2a9531f0097cae3c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4da4ef74b257e9b51adadd7aeed5465b7af412e6793a6f2a9531f0097cae3c5", kill_on_drop: false }`
[INFO] [stdout] c4da4ef74b257e9b51adadd7aeed5465b7af412e6793a6f2a9531f0097cae3c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 26f502bfcec751fda583ccd4be73b4241d6ee5ccf854eb78b57c84133ebf8caf
[INFO] running `Command { std: "docker" "start" "-a" "26f502bfcec751fda583ccd4be73b4241d6ee5ccf854eb78b57c84133ebf8caf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ff-uint v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.49s
[INFO] running `Command { std: "docker" "inspect" "26f502bfcec751fda583ccd4be73b4241d6ee5ccf854eb78b57c84133ebf8caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26f502bfcec751fda583ccd4be73b4241d6ee5ccf854eb78b57c84133ebf8caf", kill_on_drop: false }`
[INFO] [stdout] 26f502bfcec751fda583ccd4be73b4241d6ee5ccf854eb78b57c84133ebf8caf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1cde3e67c1e9b56cebdcbb29cd75ef9acb202c03ff70cac4a6378387d5e2943f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1cde3e67c1e9b56cebdcbb29cd75ef9acb202c03ff70cac4a6378387d5e2943f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ff_uint-654b124a0a5be386)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/ff-uint_tests.rs (/opt/rustwide/target/debug/deps/ff_uint_tests-af7c70770a6f9275)
[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] [stdout] 
[INFO] [stdout] running 61 tests
[INFO] [stdout] test ff_legendre_res ... ok
[INFO] [stdout] test ff_legendre_zero ... ok
[INFO] [stdout] test ff_div ... ok
[INFO] [stdout] test ff_sub ... ok
[INFO] [stdout] test from_big_endian ... ok
[INFO] [stdout] test ff_mul ... ok
[INFO] [stdout] test from_little_endian ... ok
[INFO] [stdout] test ff_neg_zero ... ok
[INFO] [stdout] test big_endian ... ok
[INFO] [stdout] test into_fixed_array ... ok
[INFO] [stdout] test test_u256_from_fixed_array ... ok
[INFO] [stdout] test ff_pow ... ok
[INFO] [stdout] test test_from_ref_to_fixed_array ... ok
[INFO] [stdout] test slice_roundtrip_le2 ... ok
[INFO] [stdout] test slice_roundtrip_le ... ok
[INFO] [stdout] test leading_zeros ... ok
[INFO] [stdout] test hash_impl_is_the_same_as_for_a_slice ... ok
[INFO] [stdout] test ff_neg_overflow ... ok
[INFO] [stdout] test u256_multi_subs ... ok
[INFO] [stdout] test ff_add ... ok
[INFO] [stdout] test ff_legendre_non_res ... ok
[INFO] [stdout] test ff_sqrt_none ... ok
[INFO] [stdout] test ff_sqrt ... ok
[INFO] [stdout] test trailing_zeros ... ok
[INFO] [stdout] test test_u512_from_fixed_array ... ok
[INFO] [stdout] test u256_multi_muls ... ok
[INFO] [stdout] test u256_multi_adds ... ok
[INFO] [stdout] test u256_multi_muls2 ... ok
[INFO] [stdout] test u256_multi_carry_all ... ok
[INFO] [stdout] test u256_multi_muls_overflow ... ok
[INFO] [stdout] test uint256_arithmetic_test ... ok
[INFO] [stdout] test u512_multi_subs ... ok
[INFO] [stdout] test uint256_bits_test ... ok
[INFO] [stdout] test uint256_comp_test ... ok
[INFO] [stdout] test uint256_div ... ok
[INFO] [stdout] test u512_div ... ok
[INFO] [stdout] test little_endian ... ok
[INFO] [stdout] test slice_roundtrip ... ok
[INFO] [stdout] test uint256_mul ... ok
[INFO] [stdout] test uint256_mul1 ... ok
[INFO] [stdout] test uint256_mul2 ... ok
[INFO] [stdout] test uint256_mul64 ... ok
[INFO] [stdout] test uint256_mul_overflow ... ok
[INFO] [stdout] test uint256_from_str ... ok
[INFO] [stdout] test uint256_from ... ok
[INFO] [stdout] test uint256_overflowing_pow ... ok
[INFO] [stdout] test u512_multi_adds ... ok
[INFO] [stdout] test uint256_extreme_bitshift_test ... ok
[INFO] [stdout] test uint512_mul ... ok
[INFO] [stdout] test uint256_to ... ok
[INFO] [stdout] test uint256_try_into_primitives ... ok
[INFO] [stdout] test uint256_sub_overflow ... ok
[INFO] [stdout] test uint256_pow ... ok
[INFO] [stdout] test uint256_rem ... ok
[INFO] [stdout] test uint256_shl ... ok
[INFO] [stdout] test uint256_shl_words ... ok
[INFO] [stdout] test uint256_simple_mul ... ok
[INFO] [stdout] test uint256_overflowing_mul ... ok
[INFO] [stdout] test uint256_pow_overflow_panic - should panic ... ok
[INFO] [stdout] test uint256_mul_overflow_panic - should panic ... ok
[INFO] [stdout] test uint256_sub_overflow_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 61 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ff-uint
[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" "1cde3e67c1e9b56cebdcbb29cd75ef9acb202c03ff70cac4a6378387d5e2943f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cde3e67c1e9b56cebdcbb29cd75ef9acb202c03ff70cac4a6378387d5e2943f", kill_on_drop: false }`
[INFO] [stdout] 1cde3e67c1e9b56cebdcbb29cd75ef9acb202c03ff70cac4a6378387d5e2943f