[INFO] crate core_extensions 0.1.7 is already in cache
[INFO] testing core_extensions-0.1.7 against 1.38.0 for beta-1.39-1
[INFO] extracting crate core_extensions 0.1.7 into work/builds/worker-3/source
[INFO] validating manifest of crates.io crate core_extensions 0.1.7 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate core_extensions 0.1.7
[INFO] finished tweaking crates.io crate core_extensions 0.1.7
[INFO] tweaked toml for crates.io crate core_extensions 0.1.7 written to work/builds/worker-3/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 24fa5e298ddc46fc6730788d658e9a06344722682a0acdc8dd55874d597f8dc4
[INFO] running `"docker" "start" "-a" "24fa5e298ddc46fc6730788d658e9a06344722682a0acdc8dd55874d597f8dc4"`
[INFO] [stderr]    Compiling core_extensions v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `super::ValSliceExt`
[INFO] [stderr]  --> src_core_extensions/slices/slice_split_while.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::ValSliceExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `"docker" "inspect" "24fa5e298ddc46fc6730788d658e9a06344722682a0acdc8dd55874d597f8dc4"`
[INFO] running `"docker" "rm" "-f" "24fa5e298ddc46fc6730788d658e9a06344722682a0acdc8dd55874d597f8dc4"`
[INFO] [stdout] 24fa5e298ddc46fc6730788d658e9a06344722682a0acdc8dd55874d597f8dc4
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] df4cb24e36e77e095271ef279780d367f611f3c6117dcd86b84e4bf774430916
[INFO] running `"docker" "start" "-a" "df4cb24e36e77e095271ef279780d367f611f3c6117dcd86b84e4bf774430916"`
[INFO] [stderr]    Compiling rand_derive v0.3.1
[INFO] [stderr]    Compiling core_extensions v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std_::borrow::Borrow`
[INFO] [stderr]    --> src_core_extensions/slices/slice_split_while.rs:165:9
[INFO] [stderr]     |
[INFO] [stderr] 165 |     use std_::borrow::Borrow;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std_::cmp::min`
[INFO] [stderr]    --> src_core_extensions/slices/slice_split_while.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 |     use std_::cmp::min;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.95s
[INFO] running `"docker" "inspect" "df4cb24e36e77e095271ef279780d367f611f3c6117dcd86b84e4bf774430916"`
[INFO] running `"docker" "rm" "-f" "df4cb24e36e77e095271ef279780d367f611f3c6117dcd86b84e4bf774430916"`
[INFO] [stdout] df4cb24e36e77e095271ef279780d367f611f3c6117dcd86b84e4bf774430916
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] f8f65b7f7d88e56439c594a4b61da43bf30c85e2c61633857e8ede12f2cacdc9
[INFO] running `"docker" "start" "-a" "f8f65b7f7d88e56439c594a4b61da43bf30c85e2c61633857e8ede12f2cacdc9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/core_extensions-6a368908bbb7c4fd
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test callable::tests::test_call_mut ... ok
[INFO] [stdout] test callable::tests::test_call_into ... ok
[INFO] [stdout] test callable::tests::test_call_ref ... ok
[INFO] [stdout] test integer_extensions::tests::number_of_digits_i16 ... ok
[INFO] [stdout] test integer_extensions::tests::number_of_digits_i32 ... ok
[INFO] [stdout] test integer_extensions::tests::number_of_digits_i128 ... ok
[INFO] [stdout] test integer_extensions::tests::number_of_digits_i8 ... ok
[INFO] [stdout] test integer_extensions::tests::number_of_digits_i64 ... ok
[INFO] [stdout] test integer_extensions::tests::number_of_digits_u64 ... ok
[INFO] [stdout] test integer_extensions::tests::number_of_digits_u128 ... ok
[INFO] [stdout] test integer_extensions::tests::number_of_digits_u16 ... ok
[INFO] [stdout] test integer_extensions::tests::number_of_digits_isize ... ok
[INFO] [stdout] test slices::extensions::tests::contains_slice ... ok
[INFO] [stdout] test integer_extensions::tests::number_of_digits_usize ... ok
[INFO] [stdout] test slices::extensions::tests::get_offset_of_slice ... ok
[INFO] [stdout] test integer_extensions::tests::number_of_digits_u8 ... ok
[INFO] [stdout] test measure_time::tests::test_precision ... ok
[INFO] [stdout] test slices::extensions::tests::index_of ... ok
[INFO] [stdout] test slices::extensions::tests::offset_of_slice ... ok
[INFO] [stdout] test slices::extensions::tests::get_index_of ... ok
[INFO] [stdout] test integer_extensions::tests::number_of_digits_u32 ... ok
[INFO] [stdout] test slices::extensions::tests::slice_lossy_slice_examples ... ok
[INFO] [stdout] test marker_traits::tests::test_alignment_size ... ok
[INFO] [stdout] test iterators::test_replace_nth::nth_method ... ok
[INFO] [stdout] test slices::extensions::tests::slice_lossy_str_examples ... ok
[INFO] [stdout] test slices::slice_bias::test::doc_comments ... ok
[INFO] [stdout] test slices::slice_split_while::test::with_mapper_0 ... ok
[INFO] [stdout] test strings::tests::test_left_pad ... ok
[INFO] [stdout] test slices::slice_split_while::test::with_mapper_2 ... ok
[INFO] [stdout] test slices::slice_split_while::test::with_mapper_1 ... ok
[INFO] [stdout] test strings::tests::text_get_offset_inside_of ... ok
[INFO] [stdout] test strings::tests::test_right_char_boundary ... ok
[INFO] [stdout] test slices::slice_split_while::test::with_every_mapper ... ok
[INFO] [stdout] test strings::tests::test_char_indices_to ... ok
[INFO] [stdout] test slices::extensions::tests::slice_lossy_slice_no_panic ... ok
[INFO] [stdout] test slices::extensions::tests::slice_lossy_str_no_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests core_extensions
[INFO] [stdout] 
[INFO] [stdout] running 118 tests
[INFO] [stdout] test src_core_extensions/integer_extensions.rs - integer_extensions::ToTime::microseconds (line 250) ... ok
[INFO] [stdout] test src_core_extensions/bool_extensions.rs - bool_extensions::BoolExt::if_false (line 34) ... ok
[INFO] [stdout] test src_core_extensions/bool_extensions.rs - bool_extensions::BoolExt::if_true (line 11) ... ok
[INFO] [stdout] test src_core_extensions/integer_extensions.rs - integer_extensions::IntegerExt::from_u8 (line 35) ... ok
[INFO] [stdout] test src_core_extensions/integer_extensions.rs - integer_extensions::IntegerExt::from_i8 (line 66) ... ok
[INFO] [stdout] test src_core_extensions/integer_extensions.rs - integer_extensions::ToTime::hours (line 201) ... ok
[INFO] [stdout] test src_core_extensions/integer_extensions.rs - integer_extensions::IntegerExt::number_of_digits (line 179) ... ok
[INFO] [stdout] test src_core_extensions/integer_extensions.rs - integer_extensions::IntegerExt::abs_unsigned (line 111) ... ok
[INFO] [stdout] test src_core_extensions/callable.rs - callable_impl (line 138) ... ok
[INFO] [stdout] test src_core_extensions/callable.rs - callable_impl (line 171) ... ok
[INFO] [stdout] test src_core_extensions/integer_extensions.rs - integer_extensions::ToTime::miliseconds (line 237) ... ok
[INFO] [stdout] test src_core_extensions/integer_extensions.rs - integer_extensions::IntegerExt::get_sign (line 129) ... ok
[INFO] [stdout] test src_core_extensions/integer_extensions.rs - integer_extensions::Sign::sign_len (line 319) ... ok
[INFO] [stdout] test src_core_extensions/integer_extensions.rs - integer_extensions::Sign::sign_string (line 334) ... ok
[INFO] [stdout] test src_core_extensions/callable.rs - callable_impl (line 111) ... ok
[INFO] [stdout] test src_core_extensions/integer_extensions.rs - integer_extensions::IntegerExt::div_safe (line 151) ... ok
[INFO] [stderr] error: process didn't exit successfully: `rustdoc --test /opt/rustwide/workdir/src_core_extensions/lib.rs --crate-name core_extensions -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cfg 'feature="std"' --cfg 'feature="serde_derive"' --cfg core_duration --cfg 'feature="serde"' --cfg 'feature="default"' --cfg core_str_methods --cfg enable_128 --cfg enable_copy_closures --cfg trim_left_right_method_deprecation --cfg 'feature="serde_"' --extern core_extensions=/opt/rustwide/target/debug/deps/libcore_extensions-b00cfcdb6f060da8.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-250eafcf18e8ca2a.rlib --extern rand_derive=/opt/rustwide/target/debug/deps/librand_derive-f0354a5465da768e.so --extern serde=/opt/rustwide/target/debug/deps/libserde-7d1a872199864283.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-45cc0e3876de4cbd.so` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "f8f65b7f7d88e56439c594a4b61da43bf30c85e2c61633857e8ede12f2cacdc9"`
[INFO] running `"docker" "rm" "-f" "f8f65b7f7d88e56439c594a4b61da43bf30c85e2c61633857e8ede12f2cacdc9"`
[INFO] [stdout] f8f65b7f7d88e56439c594a4b61da43bf30c85e2c61633857e8ede12f2cacdc9