[INFO] fetching crate ff-uint 0.1.6...
[INFO] testing ff-uint-0.1.6 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate ff-uint 0.1.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ff-uint 0.1.6 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ff-uint 0.1.6
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ff-uint 0.1.6
[INFO] tweaked toml for crates.io crate ff-uint 0.1.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded blake2-rfc_bellman_edition v0.0.1
[INFO] [stderr]   Downloaded borsh-schema-derive-internal v0.8.2
[INFO] [stderr]   Downloaded borsh-derive-internal v0.8.2
[INFO] [stderr]   Downloaded borsh-derive v0.8.2
[INFO] [stderr]   Downloaded borsh v0.8.2
[INFO] [stderr]   Downloaded concat-idents v1.1.2
[INFO] [stderr]   Downloaded ff-uint_derive v0.1.6
[INFO] [stderr]   Downloaded seedbox v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e34a28cd758eba87638fafef8ca8fe852989d3ed06df6bafb29e992072e4b4a
[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" "6e34a28cd758eba87638fafef8ca8fe852989d3ed06df6bafb29e992072e4b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e34a28cd758eba87638fafef8ca8fe852989d3ed06df6bafb29e992072e4b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e34a28cd758eba87638fafef8ca8fe852989d3ed06df6bafb29e992072e4b4a", kill_on_drop: false }`
[INFO] [stdout] 6e34a28cd758eba87638fafef8ca8fe852989d3ed06df6bafb29e992072e4b4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e707f56b434829868384d2d042b67dd0900dc7c7be213add8e00b5218bd2dfaf
[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" "e707f56b434829868384d2d042b67dd0900dc7c7be213add8e00b5218bd2dfaf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling blake2-rfc_bellman_edition v0.0.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling seedbox v0.1.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling borsh-schema-derive-internal v0.8.2
[INFO] [stderr]    Compiling borsh-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 borsh-derive v0.8.2
[INFO] [stderr]    Compiling concat-idents v1.1.2
[INFO] [stderr]    Compiling ff-uint_derive v0.1.6
[INFO] [stderr]    Compiling borsh v0.8.2
[INFO] [stderr]    Compiling ff-uint v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.24s
[INFO] running `Command { std: "docker" "inspect" "e707f56b434829868384d2d042b67dd0900dc7c7be213add8e00b5218bd2dfaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e707f56b434829868384d2d042b67dd0900dc7c7be213add8e00b5218bd2dfaf", kill_on_drop: false }`
[INFO] [stdout] e707f56b434829868384d2d042b67dd0900dc7c7be213add8e00b5218bd2dfaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6212a4dfa01d88ec221c9af4bd7144384ff271d0c536f74a56c2f945cee987ec
[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" "6212a4dfa01d88ec221c9af4bd7144384ff271d0c536f74a56c2f945cee987ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling ff-uint v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.77s
[INFO] running `Command { std: "docker" "inspect" "6212a4dfa01d88ec221c9af4bd7144384ff271d0c536f74a56c2f945cee987ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6212a4dfa01d88ec221c9af4bd7144384ff271d0c536f74a56c2f945cee987ec", kill_on_drop: false }`
[INFO] [stdout] 6212a4dfa01d88ec221c9af4bd7144384ff271d0c536f74a56c2f945cee987ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", 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] 312ebc0c5c23cf71b3219c689b7e1f96fa2a48c7b21f809edf9c432ba91518c7
[INFO] running `Command { std: "docker" "start" "-a" "312ebc0c5c23cf71b3219c689b7e1f96fa2a48c7b21f809edf9c432ba91518c7", 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-a66ebc50e2a53220)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/ff-uint_tests.rs (/opt/rustwide/target/debug/deps/ff_uint_tests-cfdc60808d1fe5f0)
[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_zero ... ok
[INFO] [stdout] test ff_sub ... ok
[INFO] [stdout] test ff_mul ... ok
[INFO] [stdout] test big_endian ... ok
[INFO] [stdout] test from_big_endian ... ok
[INFO] [stdout] test ff_neg_zero ... ok
[INFO] [stdout] test from_little_endian ... ok
[INFO] [stdout] test hash_impl_is_the_same_as_for_a_slice ... ok
[INFO] [stdout] test ff_sqrt ... ok
[INFO] [stdout] test slice_roundtrip_le ... ok
[INFO] [stdout] test test_from_ref_to_fixed_array ... ok
[INFO] [stdout] test test_u256_from_fixed_array ... ok
[INFO] [stdout] test test_u512_from_fixed_array ... ok
[INFO] [stdout] test trailing_zeros ... ok
[INFO] [stdout] test slice_roundtrip ... ok
[INFO] [stdout] test u256_multi_muls ... ok
[INFO] [stdout] test u256_multi_adds ... ok
[INFO] [stdout] test u256_multi_carry_all ... ok
[INFO] [stdout] test ff_pow ... ok
[INFO] [stdout] test leading_zeros ... ok
[INFO] [stdout] test into_fixed_array ... ok
[INFO] [stdout] test ff_div ... ok
[INFO] [stdout] test little_endian ... ok
[INFO] [stdout] test slice_roundtrip_le2 ... ok
[INFO] [stdout] test ff_legendre_res ... ok
[INFO] [stdout] test ff_sqrt_none ... ok
[INFO] [stdout] test ff_legendre_non_res ... ok
[INFO] [stdout] test u512_div ... ok
[INFO] [stdout] test u512_multi_subs ... ok
[INFO] [stdout] test uint256_bits_test ... ok
[INFO] [stdout] test u512_multi_adds ... ok
[INFO] [stdout] test ff_neg_overflow ... ok
[INFO] [stdout] test uint256_extreme_bitshift_test ... ok
[INFO] [stdout] test ff_add ... ok
[INFO] [stdout] test uint256_mul ... ok
[INFO] [stdout] test u256_multi_muls_overflow ... ok
[INFO] [stdout] test uint256_from ... ok
[INFO] [stdout] test uint256_comp_test ... ok
[INFO] [stdout] test uint256_arithmetic_test ... ok
[INFO] [stdout] test uint256_mul_overflow ... ok
[INFO] [stdout] test uint256_div ... ok
[INFO] [stdout] test uint256_rem ... ok
[INFO] [stdout] test uint256_shl ... ok
[INFO] [stdout] test uint256_overflowing_mul ... ok
[INFO] [stdout] test uint256_mul2 ... ok
[INFO] [stdout] test uint256_mul64 ... ok
[INFO] [stdout] test uint256_simple_mul ... ok
[INFO] [stdout] test uint256_pow ... ok
[INFO] [stdout] test uint256_overflowing_pow ... ok
[INFO] [stdout] test u256_multi_subs ... ok
[INFO] [stdout] test uint256_mul1 ... ok
[INFO] [stdout] test u256_multi_muls2 ... ok
[INFO] [stdout] test uint256_shl_words ... ok
[INFO] [stdout] test uint256_try_into_primitives ... ok
[INFO] [stdout] test uint256_sub_overflow ... ok
[INFO] [stdout] test uint256_to ... ok
[INFO] [stdout] test uint512_mul ... ok
[INFO] [stdout] test uint256_from_str ... ok
[INFO] [stdout] test uint256_pow_overflow_panic ... ok
[INFO] [stdout] test uint256_sub_overflow_panic ... ok
[INFO] [stdout] test uint256_mul_overflow_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 61 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[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" "312ebc0c5c23cf71b3219c689b7e1f96fa2a48c7b21f809edf9c432ba91518c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "312ebc0c5c23cf71b3219c689b7e1f96fa2a48c7b21f809edf9c432ba91518c7", kill_on_drop: false }`
[INFO] [stdout] 312ebc0c5c23cf71b3219c689b7e1f96fa2a48c7b21f809edf9c432ba91518c7