[INFO] fetching crate initials 0.1.2... [INFO] extracting crate initials 0.1.2 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/initials/0.1.2 [INFO] extracting crate initials 0.1.2 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/initials/0.1.2 [INFO] validating manifest of initials-0.1.2 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of initials-0.1.2 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-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-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/initials/0.1.2/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing initials-0.1.2 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"` [INFO] [stdout] 240082d9581289ff17dfe39c08b0905e2a256d2eb0e7e13a6105890ced09a596 [INFO] running `"docker" "start" "-a" "240082d9581289ff17dfe39c08b0905e2a256d2eb0e7e13a6105890ced09a596"` [INFO] [stderr] Compiling rusttype v0.6.5 [INFO] [stderr] Compiling initials v0.1.2 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.67s [INFO] running `"docker" "inspect" "240082d9581289ff17dfe39c08b0905e2a256d2eb0e7e13a6105890ced09a596"` [INFO] running `"docker" "rm" "-f" "240082d9581289ff17dfe39c08b0905e2a256d2eb0e7e13a6105890ced09a596"` [INFO] [stdout] 240082d9581289ff17dfe39c08b0905e2a256d2eb0e7e13a6105890ced09a596 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 552d32ef78294d1e53f3cc44f115b82deb14d67785eaf463421eb8bc055796d1 [INFO] running `"docker" "start" "-a" "552d32ef78294d1e53f3cc44f115b82deb14d67785eaf463421eb8bc055796d1"` [INFO] [stderr] Compiling initials v0.1.2 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.38s [INFO] running `"docker" "inspect" "552d32ef78294d1e53f3cc44f115b82deb14d67785eaf463421eb8bc055796d1"` [INFO] running `"docker" "rm" "-f" "552d32ef78294d1e53f3cc44f115b82deb14d67785eaf463421eb8bc055796d1"` [INFO] [stdout] 552d32ef78294d1e53f3cc44f115b82deb14d67785eaf463421eb8bc055796d1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"` [INFO] [stdout] 998995c962db91145a09d6d86c6a36bea3b854091710902b676bf259bec83d37 [INFO] running `"docker" "start" "-a" "998995c962db91145a09d6d86c6a36bea3b854091710902b676bf259bec83d37"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/crater/target/debug/deps/initials-2e8e5d8f2e6b5cf0 [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test hex::tests::test_valid_hex ... ok [INFO] [stdout] test hex::tests::test_invalid_hex_with_wrong_size ... ok [INFO] [stdout] test hex::tests::test_invalid_hex_with_parse_error ... ok [INFO] [stdout] test hex::tests::test_invalid_hex_with_missing_prefix ... ok [INFO] [stdout] test contrast::tests::test_contrast_ratio ... 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-d129524dfa87057b [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 86) ... ok [INFO] [stdout] test src/lib.rs - (line 12) ... ok [INFO] [stdout] test src/lib.rs - (line 22) ... FAILED [INFO] [stdout] test src/lib.rs - (line 62) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 22) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [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:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5569a45a725b - backtrace::backtrace::libunwind::trace::h98ebe34dc63b52e3 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5569a45a725b - backtrace::backtrace::trace_unsynchronized::hd041341a38fdc1ca [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5569a45a725b - std::sys_common::backtrace::_print::hc8c584aa09df5c15 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5569a45a725b - std::sys_common::backtrace::print::h4828f56ae571c1ad [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5569a45a725b - std::panicking::default_hook::{{closure}}::h69fce690c9f4b3d3 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x5569a45a6f5c - std::panicking::default_hook::h231e0e11400caad4 [INFO] [stdout] at src/libstd/panicking.rs:212 [INFO] [stdout] 6: 0x5569a45a7970 - std::panicking::rust_panic_with_hook::h8c0d039880f491f2 [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x5569a45a74f2 - std::panicking::continue_panic_fmt::hd71af4da4e8103ab [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x5569a45a73d6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x5569a45bc51d - core::panicking::panic_fmt::h5b6e1f42b8cc12be [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5569a4551b98 - core::result::unwrap_failed::h35732db8a684cc75 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5569a4497d3c - core::result::Result::unwrap::h57c7dd8e7d0b5cc0 [INFO] [stdout] 12: 0x5569a4497edf - rust_out::main::h1cf9155cb6204ee7 [INFO] [stdout] 13: 0x5569a4497fa3 - std::rt::lang_start::{{closure}}::hcec4a46cabb01368 [INFO] [stdout] 14: 0x5569a45a7373 - std::rt::lang_start_internal::{{closure}}::ha7c0c29bf9d4b1ec [INFO] [stdout] at src/libstd/rt.rs:49 [INFO] [stdout] 15: 0x5569a45a7373 - std::panicking::try::do_call::h6e54176261da06d4 [INFO] [stdout] at src/libstd/panicking.rs:294 [INFO] [stdout] 16: 0x5569a45a957a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 17: 0x5569a45a7e7d - std::panicking::try::h108b9053abb3bfc3 [INFO] [stdout] at src/libstd/panicking.rs:273 [INFO] [stdout] 18: 0x5569a45a7e7d - std::panic::catch_unwind::h26d0733c47c2fe78 [INFO] [stdout] at src/libstd/panic.rs:388 [INFO] [stdout] 19: 0x5569a45a7e7d - std::rt::lang_start_internal::hfa103a00f84c98f5 [INFO] [stdout] at src/libstd/rt.rs:48 [INFO] [stdout] 20: 0x5569a4497f85 - std::rt::lang_start::hbb4741df050865e3 [INFO] [stdout] 21: 0x5569a4497f3b - main [INFO] [stdout] 22: 0x7fa8e4c042e1 - __libc_start_main [INFO] [stdout] 23: 0x5569a44977aa - _start [INFO] [stdout] 24: 0x0 - [INFO] [stdout] [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" "998995c962db91145a09d6d86c6a36bea3b854091710902b676bf259bec83d37"` [INFO] running `"docker" "rm" "-f" "998995c962db91145a09d6d86c6a36bea3b854091710902b676bf259bec83d37"` [INFO] [stdout] 998995c962db91145a09d6d86c6a36bea3b854091710902b676bf259bec83d37