[INFO] fetching crate rug 1.13.0...
[INFO] testing rug-1.13.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rug 1.13.0 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate rug 1.13.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rug 1.13.0
[INFO] finished tweaking crates.io crate rug 1.13.0
[INFO] tweaked toml for crates.io crate rug 1.13.0 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffb3c14d5d70b84038a90cb6106201e7e23835f19665ab91d10e32febd1973cf
[INFO] running `Command { std: "docker" "start" "-a" "ffb3c14d5d70b84038a90cb6106201e7e23835f19665ab91d10e32febd1973cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffb3c14d5d70b84038a90cb6106201e7e23835f19665ab91d10e32febd1973cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffb3c14d5d70b84038a90cb6106201e7e23835f19665ab91d10e32febd1973cf", kill_on_drop: false }`
[INFO] [stdout] ffb3c14d5d70b84038a90cb6106201e7e23835f19665ab91d10e32febd1973cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13d61590e725b06d05ce40ea11f8f0ab5414e87a6b62a314acbe216796d2ac5c
[INFO] running `Command { std: "docker" "start" "-a" "13d61590e725b06d05ce40ea11f8f0ab5414e87a6b62a314acbe216796d2ac5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.6
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling az v1.1.2
[INFO] [stderr]    Compiling rug v1.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 14s
[INFO] running `Command { std: "docker" "inspect" "13d61590e725b06d05ce40ea11f8f0ab5414e87a6b62a314acbe216796d2ac5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13d61590e725b06d05ce40ea11f8f0ab5414e87a6b62a314acbe216796d2ac5c", kill_on_drop: false }`
[INFO] [stdout] 13d61590e725b06d05ce40ea11f8f0ab5414e87a6b62a314acbe216796d2ac5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 468d0f8d801fdf62186f395b834f566e662ac9cb385640cf1772685fbba951e3
[INFO] running `Command { std: "docker" "start" "-a" "468d0f8d801fdf62186f395b834f566e662ac9cb385640cf1772685fbba951e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_test v1.0.130
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling rug v1.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 23.11s
[INFO] running `Command { std: "docker" "inspect" "468d0f8d801fdf62186f395b834f566e662ac9cb385640cf1772685fbba951e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "468d0f8d801fdf62186f395b834f566e662ac9cb385640cf1772685fbba951e3", kill_on_drop: false }`
[INFO] [stdout] 468d0f8d801fdf62186f395b834f566e662ac9cb385640cf1772685fbba951e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fdc408f75eb6c3f9d29d3840122bd090968dede50ffe1cce959e0d1914efffb3
[INFO] running `Command { std: "docker" "start" "-a" "fdc408f75eb6c3f9d29d3840122bd090968dede50ffe1cce959e0d1914efffb3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rug-ab76c6011ac8bd14)
[INFO] [stdout] 
[INFO] [stdout] running 108 tests
[INFO] [stdout] test complex::arith::tests::check_neg ... ok
[INFO] [stdout] test complex::ord::tests::check_refs ... ok
[INFO] [stdout] test complex::arith::tests::check_ref_op ... ok
[INFO] [stdout] test complex::ord::tests::check_zero ... ok
[INFO] [stdout] test complex::small::tests::check_assign ... ok
[INFO] [stdout] test complex::small::tests::check_swapped_parts ... ok
[INFO] [stdout] test complex::tests::check_formatting ... ok
[INFO] [stdout] test complex::tests::check_from_str ... ok
[INFO] [stdout] test complex::tests::check_nanflag ... ok
[INFO] [stdout] test complex::tests::check_sum_dot ... ok
[INFO] [stdout] test complex::traits::tests::check_assign ... ok
[INFO] [stdout] test complex::traits::tests::check_from ... ok
[INFO] [stdout] test ext::xmpq::tests::check_add_sub_ui_si ... ok
[INFO] [stdout] test ext::xmpq::tests::check_add_sub_z ... ok
[INFO] [stdout] test ext::xmpq::tests::check_div_ui_si ... ok
[INFO] [stdout] test ext::xmpq::tests::check_div_z ... ok
[INFO] [stdout] test ext::xmpq::tests::check_ui_si_div ... ok
[INFO] [stdout] test ext::xmpq::tests::check_z_div ... ok
[INFO] [stdout] test ext::xmpq::tests::check_mul_ui_si ... ok
[INFO] [stdout] test float::big::tests::check_ieee_storage_bits ... ok
[INFO] [stdout] test float::casts::tests::check_floats ... ok
[INFO] [stdout] test float::casts::tests::check_integers ... ok
[INFO] [stdout] test float::ord::tests::check_hash_different_prec ... ok
[INFO] [stdout] test float::ord::tests::check_refs ... ok
[INFO] [stdout] test ext::xmpq::tests::check_mul_z ... ok
[INFO] [stdout] test float::arith::tests::check_ref_op ... ok
[INFO] [stdout] test float::ord::tests::check_zero ... ok
[INFO] [stdout] test float::small::tests::check_assign ... ok
[INFO] [stdout] test float::tests::check_assumptions ... ok
[INFO] [stdout] test float::tests::check_clamping ... ok
[INFO] [stdout] test float::tests::check_formatting ... ok
[INFO] [stdout] test float::tests::check_from_str ... ok
[INFO] [stdout] test float::tests::check_i_pow_u ... ok
[INFO] [stdout] test float::tests::check_nan_random_bits ... ok
[INFO] [stdout] test float::tests::check_nanflag ... ok
[INFO] [stdout] test float::traits::tests::check_fallible_conversions ... ok
[INFO] [stdout] test integer::arith::tests::check_addmul ... ok
[INFO] [stdout] test float::traits::tests::check_assign ... ok
[INFO] [stdout] test integer::arith::tests::check_ref_op ... ok
[INFO] [stdout] test float::tests::check_sum_dot ... ok
[INFO] [stdout] test float::cmp::tests::check_cmp_others ... ok
[INFO] [stdout] test integer::arith::tests::check_shift_u_s ... ok
[INFO] [stdout] test integer::arith::tests::check_submul ... ok
[INFO] [stdout] test integer::casts::tests::check_bool ... ok
[INFO] [stdout] test integer::cmp::tests::check_cmp_f ... ok
[INFO] [stdout] test integer::cmp::tests::check_cmp_u_s ... ok
[INFO] [stdout] test integer::division::tests::check_ceil ... ok
[INFO] [stdout] test integer::division::tests::check_euc ... ok
[INFO] [stdout] test integer::division::tests::check_floor ... ok
[INFO] [stdout] test integer::arith::tests::check_arith ... ok
[INFO] [stdout] test integer::division::tests::check_trunc ... ok
[INFO] [stdout] test integer::small::tests::check_assign ... ok
[INFO] [stdout] test integer::tests::check_float_conversions ... ok
[INFO] [stdout] test integer::tests::check_from_digits_bool ... ok
[INFO] [stdout] test integer::tests::check_from_digits_u128 ... ok
[INFO] [stdout] test integer::tests::check_from_digits_resize ... ok
[INFO] [stdout] test integer::tests::check_from_digits_u16 ... ok
[INFO] [stdout] test integer::tests::check_formatting ... ok
[INFO] [stdout] test integer::tests::check_from_digits_u8 ... ok
[INFO] [stdout] test integer::tests::check_from_str ... ok
[INFO] [stdout] test integer::tests::check_int_conversions ... ok
[INFO] [stdout] test integer::tests::check_to_digits_bool ... ok
[INFO] [stdout] test integer::tests::check_option_conversion ... ok
[INFO] [stdout] test integer::tests::check_sum_dot_product ... ok
[INFO] [stdout] test integer::tests::check_to_digits_u16 ... ok
[INFO] [stdout] test integer::tests::check_to_digits_u128 ... ok
[INFO] [stdout] test integer::tests::check_to_digits_u8 ... ok
[INFO] [stdout] test integer::traits::tests::check_fallible_conversions ... ok
[INFO] [stdout] test integer::traits::tests::check_assign ... ok
[INFO] [stdout] test rand::tests::check_custom_clone ... ok
[INFO] [stdout] test complex::arith::tests::check_pow ... ok
[INFO] [stdout] test rand::tests::congruential_size ... ok
[INFO] [stdout] test rand::tests::thread_check_custom_clone ... ok
[INFO] [stdout] test float::tests::check_clamping_panic - should panic ... ok
[INFO] [stdout] test rand::tests::thread_check_raw ... ok
[INFO] [stdout] test rational::arith::tests::check_arith_int ... ok
[INFO] [stdout] test rational::arith::tests::check_neg_pow ... ok
[INFO] [stdout] test rational::arith::tests::check_ref_op ... ok
[INFO] [stdout] test rational::casts::tests::check_bool ... ok
[INFO] [stdout] test rational::casts::tests::check_integers ... ok
[INFO] [stdout] test rational::cmp::tests::check_cmp_f ... ok
[INFO] [stdout] test rational::small::tests::check_assign ... ok
[INFO] [stdout] test rational::small::tests::check_swapped_parts ... ok
[INFO] [stdout] test integer::casts::tests::check_integers ... ok
[INFO] [stdout] test integer::casts::tests::check_round_floats ... ok
[INFO] [stdout] test rational::tests::check_formatting ... ok
[INFO] [stdout] test rational::tests::check_fract_ceil ... ok
[INFO] [stdout] test rational::cmp::tests::check_cmp_u_s ... ok
[INFO] [stdout] test integer::arith::tests::check_arith_u_s ... ok
[INFO] [stdout] test rand::tests::check_custom_no_clone - should panic ... ok
[INFO] [stdout] test rational::tests::check_fract_trunc ... ok
[INFO] [stdout] test rational::tests::check_from_str ... ok
[INFO] [stdout] test rational::tests::check_fract_floor ... ok
[INFO] [stdout] test rational::traits::tests::check_fallible_conversions ... ok
[INFO] [stdout] test rational::traits::tests::check_assign ... ok
[INFO] [stdout] test rand::tests::thread_check_custom_no_clone - should panic ... ok
[INFO] [stdout] test rational::tests::check_sum_dot_product ... ok
[INFO] [stdout] test rational::tests::check_fract_round ... ok
[INFO] [stdout] test integer::casts::tests::check_floats ... ok
[INFO] [stdout] test rand::tests::check_custom_into_raw - should panic ... ok
[INFO] [stdout] test rand::tests::thread_check_custom_into_raw - should panic ... ok
[INFO] [stdout] test rational::casts::tests::check_floats ... ok
[INFO] [stdout] test integer::division::tests::check_div_rem_prim ... ok
[INFO] [stdout] test float::arith::tests::check_arith_others ... ok
[INFO] [stdout] test complex::arith::tests::check_arith_others ... ok
[INFO] [stdout] test rational::cmp::tests::check_cmp_tuple ... ok
[INFO] [stdout] test rational::arith::tests::check_arith_u_s ... ok
[INFO] [stdout] test complex::cmp::tests::check_eq_others ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 108 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.36s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rug
[INFO] [stdout] 
[INFO] [stdout] running 945 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name rug --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps -L native=/opt/rustwide/target/debug/build/gmp-mpfr-sys-48349a04fbfaa62b/out/lib --extern az=/opt/rustwide/target/debug/deps/libaz-9ffe6e5de901184a.rlib --extern bincode=/opt/rustwide/target/debug/deps/libbincode-b37e14251353289b.rlib --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-f387c8e731df044c.rlib --extern gmp_mpfr_sys=/opt/rustwide/target/debug/deps/libgmp_mpfr_sys-818466121dc9608b.rlib --extern libc=/opt/rustwide/target/debug/deps/liblibc-028c7987d4fd4012.rlib --extern rug=/opt/rustwide/target/debug/deps/librug-f71adc7fa959bc97.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-3de8b5c3752d5467.rlib --extern serde_test=/opt/rustwide/target/debug/deps/libserde_test-32a839dbc1909ae1.rlib -C embed-bitcode=no --cfg 'feature="complex"' --cfg 'feature="default"' --cfg 'feature="float"' --cfg 'feature="gmp-mpfr-sys"' --cfg 'feature="integer"' --cfg 'feature="rand"' --cfg 'feature="rational"' --cfg gmp_limb_bits_64 --cfg unsafe_in_unsafe --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "fdc408f75eb6c3f9d29d3840122bd090968dede50ffe1cce959e0d1914efffb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdc408f75eb6c3f9d29d3840122bd090968dede50ffe1cce959e0d1914efffb3", kill_on_drop: false }`
[INFO] [stdout] fdc408f75eb6c3f9d29d3840122bd090968dede50ffe1cce959e0d1914efffb3