[INFO] fetching crate ff-uint 0.2.0...
[INFO] testing ff-uint-0.2.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate ff-uint 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ff-uint 0.2.0 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 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-7/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded seedbox v0.2.0
[INFO] [stderr]   Downloaded ff-uint_derive v0.2.0
[INFO] [stderr]   Downloaded arbitrary v0.4.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] e851bc12462227c73e2c8fdc5767d91ee5f25836a624193153ff9901d6f19cb6
[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" "e851bc12462227c73e2c8fdc5767d91ee5f25836a624193153ff9901d6f19cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e851bc12462227c73e2c8fdc5767d91ee5f25836a624193153ff9901d6f19cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e851bc12462227c73e2c8fdc5767d91ee5f25836a624193153ff9901d6f19cb6", kill_on_drop: false }`
[INFO] [stdout] e851bc12462227c73e2c8fdc5767d91ee5f25836a624193153ff9901d6f19cb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] f7e7dec2de08d037faadf9c0fba2ee35058ee8bf6540ab046097761aad86fffc
[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" "f7e7dec2de08d037faadf9c0fba2ee35058ee8bf6540ab046097761aad86fffc", kill_on_drop: false }`
[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 autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling keccak v0.1.0
[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 rand_chacha v0.3.1
[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_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 block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling seedbox v0.2.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling borsh-derive-internal v0.8.2
[INFO] [stderr]    Compiling borsh-schema-derive-internal v0.8.2
[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 borsh v0.8.2
[INFO] [stderr]    Compiling ff-uint v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.43s
[INFO] running `Command { std: "docker" "inspect" "f7e7dec2de08d037faadf9c0fba2ee35058ee8bf6540ab046097761aad86fffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e7dec2de08d037faadf9c0fba2ee35058ee8bf6540ab046097761aad86fffc", kill_on_drop: false }`
[INFO] [stdout] f7e7dec2de08d037faadf9c0fba2ee35058ee8bf6540ab046097761aad86fffc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] eb34717e7089fd95a721d60e2e748dc805ebe68dfd60810e1554ec03e83ff8e0
[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" "eb34717e7089fd95a721d60e2e748dc805ebe68dfd60810e1554ec03e83ff8e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling ff-uint v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.57s
[INFO] running `Command { std: "docker" "inspect" "eb34717e7089fd95a721d60e2e748dc805ebe68dfd60810e1554ec03e83ff8e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb34717e7089fd95a721d60e2e748dc805ebe68dfd60810e1554ec03e83ff8e0", kill_on_drop: false }`
[INFO] [stdout] eb34717e7089fd95a721d60e2e748dc805ebe68dfd60810e1554ec03e83ff8e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 5de3a6ec3b201f273928417fc7011bd0c4ce14059fbb03e402c8fd6173b332a4
[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" "5de3a6ec3b201f273928417fc7011bd0c4ce14059fbb03e402c8fd6173b332a4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[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_add ... ok
[INFO] [stdout] test ff_neg_zero ... ok
[INFO] [stdout] test leading_zeros ... ok
[INFO] [stdout] test ff_div ... ok
[INFO] [stdout] test into_fixed_array ... ok
[INFO] [stdout] test ff_sqrt ... ok
[INFO] [stdout] test hash_impl_is_the_same_as_for_a_slice ... ok
[INFO] [stdout] test ff_pow ... ok
[INFO] [stdout] test little_endian ... ok
[INFO] [stdout] test ff_mul ... ok
[INFO] [stdout] test test_u512_from_fixed_array ... ok
[INFO] [stdout] test slice_roundtrip ... ok
[INFO] [stdout] test trailing_zeros ... ok
[INFO] [stdout] test u256_multi_adds ... ok
[INFO] [stdout] test ff_legendre_zero ... ok
[INFO] [stdout] test test_u256_from_fixed_array ... ok
[INFO] [stdout] test test_from_ref_to_fixed_array ... ok
[INFO] [stdout] test ff_sqrt_none ... ok
[INFO] [stdout] test ff_sub ... ok
[INFO] [stdout] test from_big_endian ... ok
[INFO] [stdout] test uint256_arithmetic_test ... ok
[INFO] [stdout] test uint256_bits_test ... ok
[INFO] [stdout] test uint256_comp_test ... ok
[INFO] [stdout] test uint256_div ... ok
[INFO] [stdout] test uint256_extreme_bitshift_test ... ok
[INFO] [stdout] test uint256_from ... ok
[INFO] [stdout] test uint256_from_str ... 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 slice_roundtrip_le ... ok
[INFO] [stdout] test u256_multi_muls ... ok
[INFO] [stdout] test big_endian ... ok
[INFO] [stdout] test slice_roundtrip_le2 ... ok
[INFO] [stdout] test u256_multi_subs ... ok
[INFO] [stdout] test ff_neg_overflow ... ok
[INFO] [stdout] test u256_multi_carry_all ... ok
[INFO] [stdout] test from_little_endian ... ok
[INFO] [stdout] test u256_multi_muls2 ... ok
[INFO] [stdout] test u256_multi_muls_overflow ... ok
[INFO] [stdout] test u512_multi_subs ... ok
[INFO] [stdout] test ff_legendre_res ... ok
[INFO] [stdout] test ff_legendre_non_res ... ok
[INFO] [stdout] test u512_div ... ok
[INFO] [stdout] test u512_multi_adds ... ok
[INFO] [stdout] test uint256_overflowing_mul ... ok
[INFO] [stdout] test uint256_pow ... ok
[INFO] [stdout] test uint256_rem ... ok
[INFO] [stdout] test uint256_simple_mul ... ok
[INFO] [stdout] test uint256_to ... ok
[INFO] [stdout] test uint256_shl_words ... ok
[INFO] [stdout] test uint256_sub_overflow ... ok
[INFO] [stdout] test uint256_overflowing_pow ... ok
[INFO] [stdout] test uint256_shl ... ok
[INFO] [stdout] test uint512_mul ... ok
[INFO] [stdout] test uint256_try_into_primitives ... ok
[INFO] [stdout] test uint256_mul_overflow_panic - should panic ... ok
[INFO] [stdout] test uint256_sub_overflow_panic - should panic ... ok
[INFO] [stdout] test uint256_pow_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 0.07s
[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" "5de3a6ec3b201f273928417fc7011bd0c4ce14059fbb03e402c8fd6173b332a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5de3a6ec3b201f273928417fc7011bd0c4ce14059fbb03e402c8fd6173b332a4", kill_on_drop: false }`
[INFO] [stdout] 5de3a6ec3b201f273928417fc7011bd0c4ce14059fbb03e402c8fd6173b332a4