[INFO] fetching crate rug 1.12.0...
[INFO] testing rug-1.12.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate rug 1.12.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rug 1.12.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rug 1.12.0
[INFO] finished tweaking crates.io crate rug 1.12.0
[INFO] tweaked toml for crates.io crate rug 1.12.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c64441551f90d08693b9b33ea3132a907b3377e8488a407c25b09529d7398bd8
[INFO] running `Command { std: "docker" "start" "-a" "c64441551f90d08693b9b33ea3132a907b3377e8488a407c25b09529d7398bd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c64441551f90d08693b9b33ea3132a907b3377e8488a407c25b09529d7398bd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c64441551f90d08693b9b33ea3132a907b3377e8488a407c25b09529d7398bd8", kill_on_drop: false }`
[INFO] [stdout] c64441551f90d08693b9b33ea3132a907b3377e8488a407c25b09529d7398bd8
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3f187f12acf629e69fe5aadcee80a6e59725bb4ce11e8b24c1281051b7720d4
[INFO] running `Command { std: "docker" "start" "-a" "e3f187f12acf629e69fe5aadcee80a6e59725bb4ce11e8b24c1281051b7720d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.6
[INFO] [stderr]    Compiling az v1.1.1
[INFO] [stderr]    Compiling rug v1.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 28s
[INFO] running `Command { std: "docker" "inspect" "e3f187f12acf629e69fe5aadcee80a6e59725bb4ce11e8b24c1281051b7720d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3f187f12acf629e69fe5aadcee80a6e59725bb4ce11e8b24c1281051b7720d4", kill_on_drop: false }`
[INFO] [stdout] e3f187f12acf629e69fe5aadcee80a6e59725bb4ce11e8b24c1281051b7720d4
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d23f0790337d800e714966b5c8a1126f9e16dfa3d201908fe4049616bfe25d0
[INFO] running `Command { std: "docker" "start" "-a" "0d23f0790337d800e714966b5c8a1126f9e16dfa3d201908fe4049616bfe25d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling serde_test v1.0.127
[INFO] [stderr]    Compiling rug v1.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.79s
[INFO] running `Command { std: "docker" "inspect" "0d23f0790337d800e714966b5c8a1126f9e16dfa3d201908fe4049616bfe25d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d23f0790337d800e714966b5c8a1126f9e16dfa3d201908fe4049616bfe25d0", kill_on_drop: false }`
[INFO] [stdout] 0d23f0790337d800e714966b5c8a1126f9e16dfa3d201908fe4049616bfe25d0
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 97a14f606875233a92ef90f290362a1e2bc7e99aa8f623e35e3f075c92a6c070
[INFO] running `Command { std: "docker" "start" "-a" "97a14f606875233a92ef90f290362a1e2bc7e99aa8f623e35e3f075c92a6c070", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rug-1a049ea7254d96d0)
[INFO] [stdout] 
[INFO] [stdout] running 104 tests
[INFO] [stdout] test complex::arith::tests::check_neg ... ok
[INFO] [stdout] test complex::ord::tests::check_refs ... 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::arith::tests::check_ref_op ... ok
[INFO] [stdout] test complex::tests::check_formatting ... ok
[INFO] [stdout] test complex::tests::check_nanflag ... ok
[INFO] [stdout] test complex::traits::tests::check_assign ... ok
[INFO] [stdout] test complex::tests::check_from_str ... 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_mul_ui_si ... ok
[INFO] [stdout] test ext::xmpq::tests::check_mul_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 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::arith::tests::check_ref_op ... ok
[INFO] [stdout] test float::ord::tests::check_refs ... ok
[INFO] [stdout] test float::ord::tests::check_hash_different_prec ... 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_nanflag ... ok
[INFO] [stdout] test float::traits::tests::check_fallible_conversions ... ok
[INFO] [stdout] test float::tests::check_nan_random_bits ... ok
[INFO] [stdout] test float::traits::tests::check_assign ... ok
[INFO] [stdout] test integer::arith::tests::check_addmul ... ok
[INFO] [stdout] test float::tests::check_i_pow_u ... ok
[INFO] [stdout] test integer::casts::tests::check_bool ... ok
[INFO] [stdout] test integer::arith::tests::check_shift_u_s ... ok
[INFO] [stdout] test integer::division::tests::check_ceil ... ok
[INFO] [stdout] test integer::tests::check_float_conversions ... ok
[INFO] [stdout] test integer::arith::tests::check_submul ... ok
[INFO] [stdout] test integer::cmp::tests::check_cmp_f ... ok
[INFO] [stdout] test float::tests::check_from_str ... ok
[INFO] [stdout] test integer::tests::check_formatting ... ok
[INFO] [stdout] test integer::division::tests::check_euc ... ok
[INFO] [stdout] test integer::small::tests::check_assign ... ok
[INFO] [stdout] test integer::tests::check_from_digits_bool ... ok
[INFO] [stdout] test float::tests::check_formatting ... ok
[INFO] [stdout] test integer::tests::check_to_digits_u16 ... ok
[INFO] [stdout] test integer::tests::check_from_digits_resize ... ok
[INFO] [stdout] test integer::division::tests::check_floor ... ok
[INFO] [stdout] test integer::division::tests::check_trunc ... ok
[INFO] [stdout] test integer::cmp::tests::check_cmp_u_s ... ok
[INFO] [stdout] test integer::tests::check_from_digits_u128 ... ok
[INFO] [stdout] test integer::tests::check_from_digits_u16 ... ok
[INFO] [stdout] test integer::tests::check_from_digits_u8 ... ok
[INFO] [stdout] test integer::tests::check_int_conversions ... ok
[INFO] [stdout] test integer::tests::check_option_conversion ... ok
[INFO] [stdout] test integer::tests::check_to_digits_bool ... ok
[INFO] [stdout] test integer::tests::check_from_str ... ok
[INFO] [stdout] test integer::traits::tests::check_assign ... ok
[INFO] [stdout] test integer::traits::tests::check_fallible_conversions ... ok
[INFO] [stdout] test rand::tests::check_custom_clone ... ok
[INFO] [stdout] test rand::tests::congruential_size ... ok
[INFO] [stdout] test rand::tests::thread_check_custom_clone ... ok
[INFO] [stdout] test integer::arith::tests::check_ref_op ... ok
[INFO] [stdout] test integer::tests::check_to_digits_u128 ... ok
[INFO] [stdout] test integer::tests::check_to_digits_u8 ... ok
[INFO] [stdout] test rand::tests::thread_check_raw ... 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::arith::tests::check_arith_int ... ok
[INFO] [stdout] test rational::casts::tests::check_integers ... ok
[INFO] [stdout] test rational::small::tests::check_swapped_parts ... ok
[INFO] [stdout] test rational::small::tests::check_assign ... ok
[INFO] [stdout] test rational::tests::check_fract_ceil ... ok
[INFO] [stdout] test rational::casts::tests::check_bool ... ok
[INFO] [stdout] test rational::tests::check_fract_round ... ok
[INFO] [stdout] test rational::tests::check_fract_trunc ... ok
[INFO] [stdout] test rational::cmp::tests::check_cmp_f ... ok
[INFO] [stdout] test rational::tests::check_from_str ... ok
[INFO] [stdout] test rational::tests::check_formatting ... ok
[INFO] [stdout] test rational::traits::tests::check_assign ... ok
[INFO] [stdout] test rational::tests::check_fract_floor ... ok
[INFO] [stdout] test float::cmp::tests::check_cmp_others ... ok
[INFO] [stdout] test rational::traits::tests::check_fallible_conversions ... ok
[INFO] [stdout] test rational::cmp::tests::check_cmp_u_s ... ok
[INFO] [stdout] test integer::arith::tests::check_arith ... ok
[INFO] [stdout] test float::tests::check_clamping_panic - should panic ... ok
[INFO] [stdout] test rand::tests::check_custom_into_raw - should panic ... ok
[INFO] [stdout] test rand::tests::check_custom_no_clone - should panic ... ok
[INFO] [stdout] test rand::tests::thread_check_custom_into_raw - should panic ... ok
[INFO] [stdout] test rand::tests::thread_check_custom_no_clone - should panic ... ok
[INFO] [stdout] test integer::casts::tests::check_floats ... ok
[INFO] [stdout] test rational::casts::tests::check_floats ... ok
[INFO] [stdout] test integer::casts::tests::check_round_floats ... ok
[INFO] [stdout] test integer::casts::tests::check_integers ... ok
[INFO] [stdout] test integer::arith::tests::check_arith_u_s ... ok
[INFO] [stdout] test integer::division::tests::check_div_rem_prim ... ok
[INFO] [stdout] test complex::arith::tests::check_pow ... ok
[INFO] [stdout] test float::arith::tests::check_arith_others ... ok
[INFO] [stdout] test rational::cmp::tests::check_cmp_tuple ... ok
[INFO] [stdout] test complex::arith::tests::check_arith_others ... 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. 104 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.42s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rug
[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-10cbbd5687f8154d/out/lib --extern az=/opt/rustwide/target/debug/deps/libaz-187a1f67ca4b1318.rlib --extern bincode=/opt/rustwide/target/debug/deps/libbincode-a181024ddc7c752e.rlib --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-f328109de99d6196.rlib --extern gmp_mpfr_sys=/opt/rustwide/target/debug/deps/libgmp_mpfr_sys-3197e45d278c22fd.rlib --extern libc=/opt/rustwide/target/debug/deps/liblibc-f9bbf1ad0e0ddfcf.rlib --extern rug=/opt/rustwide/target/debug/deps/librug-2eefa76295ba12ef.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-1d628f6b4c148360.rlib --extern serde_test=/opt/rustwide/target/debug/deps/libserde_test-dc10aedeff7ad1ad.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 --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "97a14f606875233a92ef90f290362a1e2bc7e99aa8f623e35e3f075c92a6c070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97a14f606875233a92ef90f290362a1e2bc7e99aa8f623e35e3f075c92a6c070", kill_on_drop: false }`
[INFO] [stdout] 97a14f606875233a92ef90f290362a1e2bc7e99aa8f623e35e3f075c92a6c070