[INFO] crate initials 0.1.2 is already in cache [INFO] extracting crate initials 0.1.2 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/initials/0.1.2 [INFO] extracting crate initials 0.1.2 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/initials/0.1.2 [INFO] validating manifest of initials-0.1.2 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of initials-0.1.2 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing initials-0.1.2 [INFO] finished frobbing initials-0.1.2 [INFO] frobbed toml for initials-0.1.2 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/initials/0.1.2/Cargo.toml [INFO] started frobbing initials-0.1.2 [INFO] finished frobbing initials-0.1.2 [INFO] frobbed toml for initials-0.1.2 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/initials/0.1.2/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing initials-0.1.2 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/initials/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"` [INFO] [stdout] 0b6efdb063d67e2f78b23f9c609a4bedb0de7ad61a9a9296c05c510d88b13961 [INFO] running `"docker" "start" "-a" "0b6efdb063d67e2f78b23f9c609a4bedb0de7ad61a9a9296c05c510d88b13961"` [INFO] [stderr] Compiling rusttype v0.6.5 [INFO] [stderr] Compiling image v0.19.0 [INFO] [stderr] Compiling initials v0.1.2 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 20.37s [INFO] running `"docker" "inspect" "0b6efdb063d67e2f78b23f9c609a4bedb0de7ad61a9a9296c05c510d88b13961"` [INFO] running `"docker" "rm" "-f" "0b6efdb063d67e2f78b23f9c609a4bedb0de7ad61a9a9296c05c510d88b13961"` [INFO] [stdout] 0b6efdb063d67e2f78b23f9c609a4bedb0de7ad61a9a9296c05c510d88b13961 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/initials/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 562201a08f3067c32c24a3df1f0c24aa727643b5b7f8d951eb140b8f006ce9cc [INFO] running `"docker" "start" "-a" "562201a08f3067c32c24a3df1f0c24aa727643b5b7f8d951eb140b8f006ce9cc"` [INFO] [stderr] Compiling initials v0.1.2 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.45s [INFO] running `"docker" "inspect" "562201a08f3067c32c24a3df1f0c24aa727643b5b7f8d951eb140b8f006ce9cc"` [INFO] running `"docker" "rm" "-f" "562201a08f3067c32c24a3df1f0c24aa727643b5b7f8d951eb140b8f006ce9cc"` [INFO] [stdout] 562201a08f3067c32c24a3df1f0c24aa727643b5b7f8d951eb140b8f006ce9cc [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/initials/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"` [INFO] [stdout] 34652ec7a88bd004fbbbd6de90e836e694b47a2b5dc9cefae7eb1c09c776a47a [INFO] running `"docker" "start" "-a" "34652ec7a88bd004fbbbd6de90e836e694b47a2b5dc9cefae7eb1c09c776a47a"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running /opt/crater/target/debug/deps/initials-3dc57e8c71c88f3a [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test contrast::tests::test_contrast_ratio ... ok [INFO] [stdout] test hex::tests::test_invalid_hex_with_missing_prefix ... ok [INFO] [stdout] test hex::tests::test_invalid_hex_with_parse_error ... ok [INFO] [stdout] test hex::tests::test_invalid_hex_with_wrong_size ... ok [INFO] [stdout] test hex::tests::test_valid_hex ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/bin-1c9f804cf0339087 [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 [INFO] [stdout] [INFO] [stderr] Doc-tests initials [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test src/lib.rs - (line 6) ... ok [INFO] [stdout] test src/lib.rs - (line 12) ... ok [INFO] [stdout] test src/lib.rs - (line 62) ... ok [INFO] [stdout] test src/lib.rs - (line 86) ... ok [INFO] [stdout] test src/lib.rs - (line 22) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 22) stdout ---- [INFO] [stdout] thread 'src/lib.rs - (line 22)' panicked at 'test executable failed: [INFO] [stdout] [INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:997:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55a5556c0cc3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hb587d2734f1dc7c5 [INFO] [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stdout] 1: 0x55a5556bcc9b - std::sys_common::backtrace::_print::he39717f7cfbd122d [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:70 [INFO] [stdout] 2: 0x55a5556bfad6 - std::panicking::default_hook::{{closure}}::hb7f1ae5149814e5e [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:58 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 3: 0x55a5556bf854 - std::panicking::default_hook::hc2b73d8ffc772b35 [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 4: 0x55a5556c0180 - std::panicking::rust_panic_with_hook::h625072734a147d22 [INFO] [stdout] at src/libstd/panicking.rs:478 [INFO] [stdout] 5: 0x55a5556bfd01 - std::panicking::continue_panic_fmt::h3d3b66f689c3e04e [INFO] [stdout] at src/libstd/panicking.rs:385 [INFO] [stdout] 6: 0x55a5556bfbe5 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:312 [INFO] [stdout] 7: 0x55a5556d0f1c - core::panicking::panic_fmt::h3dc182ff7fefc0c0 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 8: 0x55a555678cc7 - core::result::unwrap_failed::h513bac20e692c4bb [INFO] [stdout] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libcore/macros.rs:16 [INFO] [stdout] 9: 0x55a5555c21de - >::unwrap::hb42c5824a498f409 [INFO] [stdout] 10: 0x55a5555c24ee - rust_out::main::h19287f9e3b324627 [INFO] [stdout] 11: 0x55a5555c26f2 - std::rt::lang_start::{{closure}}::h93540a3366c47f93 [INFO] [stdout] 12: 0x55a5556bfb82 - std::panicking::try::do_call::ha6d3d6f6b5f6c5f2 [INFO] [stdout] at src/libstd/rt.rs:49 [INFO] [stdout] at src/libstd/panicking.rs:297 [INFO] [stdout] 13: 0x55a5556c2309 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:92 [INFO] [stdout] 14: 0x55a5556c06b5 - std::rt::lang_start_internal::hc755040b17518fe7 [INFO] [stdout] at src/libstd/panicking.rs:276 [INFO] [stdout] at src/libstd/panic.rs:388 [INFO] [stdout] at src/libstd/rt.rs:48 [INFO] [stdout] 15: 0x55a5555c26d4 - std::rt::lang_start::hf865625c9d289e1f [INFO] [stdout] 16: 0x55a5555c254a - main [INFO] [stdout] 17: 0x7f83ac2902e0 - __libc_start_main [INFO] [stdout] 18: 0x55a5555c1f09 - _start [INFO] [stdout] 19: 0x0 - [INFO] [stdout] [INFO] [stdout] ', src/librustdoc/test.rs:389:17 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x7f960b41d2c3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hb587d2734f1dc7c5 [INFO] [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stdout] 1: 0x7f960b415acb - std::sys_common::backtrace::_print::he39717f7cfbd122d [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:70 [INFO] [stdout] 2: 0x7f960b4194e6 - std::panicking::default_hook::{{closure}}::hb7f1ae5149814e5e [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:58 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 3: 0x7f960b4191e7 - std::panicking::default_hook::hc2b73d8ffc772b35 [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 4: 0x7f960d493c6f - rustc::util::common::panic_hook::h751032aa3ac1c484 [INFO] [stdout] 5: 0x7f960b419cbd - std::panicking::rust_panic_with_hook::h625072734a147d22 [INFO] [stdout] at src/libstd/panicking.rs:482 [INFO] [stdout] 6: 0x7f960b419771 - std::panicking::continue_panic_fmt::h3d3b66f689c3e04e [INFO] [stdout] at src/libstd/panicking.rs:385 [INFO] [stdout] 7: 0x7f960b4196be - std::panicking::begin_panic_fmt::hc9320ccc48a296b3 [INFO] [stdout] at src/libstd/panicking.rs:340 [INFO] [stdout] 8: 0x563b70f1acfc - rustdoc::test::run_test::h5889805fcc1a0c80 [INFO] [stdout] at src/librustdoc/test.rs:389 [INFO] [stdout] 9: 0x563b70ddbd97 - >::set::h9bde29d771b01b1d [INFO] [stdout] at src/librustdoc/test.rs:754 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:155 [INFO] [stdout] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libsyntax/lib.rs:112 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:155 [INFO] [stdout] 10: 0x563b70eabbc1 - syntax::with_globals::h80769f7b53fe9e05 [INFO] [stdout] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libsyntax/lib.rs:111 [INFO] [stdout] 11: 0x563b70ddc9e8 - std::sys_common::backtrace::__rust_begin_short_backtrace::hac3ae7983c29a44c [INFO] [stdout] at src/librustdoc/test.rs:751 [INFO] [stdout] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/sys_common/backtrace.rs:135 [INFO] [stdout] 12: 0x563b70c7f6c3 - std::panicking::try::do_call::h5fa5d80973e51645 [INFO] [stdout] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/thread/mod.rs:469 [INFO] [stdout] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panic.rs:309 [INFO] [stdout] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:297 [INFO] [stdout] 13: 0x7f960b42aed9 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:92 [INFO] [stdout] 14: 0x563b70c998d7 - >::call_box::h493f8fc037edfe5c [INFO] [stdout] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:276 [INFO] [stdout] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panic.rs:388 [INFO] [stdout] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/thread/mod.rs:468 [INFO] [stdout] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/liballoc/boxed.rs:734 [INFO] [stdout] 15: 0x7f960b429cdd - std::sys::unix::thread::Thread::new::thread_start::h60ff5f253b4125d5 [INFO] [stdout] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/liballoc/boxed.rs:744 [INFO] [stdout] at src/libstd/sys_common/thread.rs:14 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:81 [INFO] [stdout] 16: 0x7f960af97493 - start_thread [INFO] [stdout] 17: 0x7f960aac2ace - __clone [INFO] [stdout] 18: 0x0 - [INFO] [stdout] query stack during panic: [INFO] [stdout] end of query stack [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 22) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `"docker" "inspect" "34652ec7a88bd004fbbbd6de90e836e694b47a2b5dc9cefae7eb1c09c776a47a"` [INFO] running `"docker" "rm" "-f" "34652ec7a88bd004fbbbd6de90e836e694b47a2b5dc9cefae7eb1c09c776a47a"` [INFO] [stdout] 34652ec7a88bd004fbbbd6de90e836e694b47a2b5dc9cefae7eb1c09c776a47a