[INFO] fetching crate vbinseq 0.1.7...
[INFO] testing vbinseq-0.1.7 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate vbinseq 0.1.7 into /workspace/builds/worker-1-tc2/source
[INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate vbinseq 0.1.7
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate vbinseq 0.1.7
[INFO] tweaked toml for crates.io crate vbinseq 0.1.7 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vbinseq 0.1.7 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate vbinseq 0.1.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c721aecf3100b13167fe23ed7df2cb50872e99e6af2a6720e0835bc02666f1df
[INFO] running `Command { std: "docker" "start" "-a" "c721aecf3100b13167fe23ed7df2cb50872e99e6af2a6720e0835bc02666f1df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c721aecf3100b13167fe23ed7df2cb50872e99e6af2a6720e0835bc02666f1df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c721aecf3100b13167fe23ed7df2cb50872e99e6af2a6720e0835bc02666f1df", kill_on_drop: false }`
[INFO] [stdout] c721aecf3100b13167fe23ed7df2cb50872e99e6af2a6720e0835bc02666f1df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1afbefe2375092242db369a8a8028f749fed506e92c4d4c4ae46a89ff7289a72
[INFO] running `Command { std: "docker" "start" "-a" "1afbefe2375092242db369a8a8028f749fed506e92c4d4c4ae46a89ff7289a72", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling zstd-safe v7.2.3
[INFO] [stderr]    Compiling anyhow v1.0.96
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling bitnuc v0.2.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling cc v1.2.15
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling zstd-sys v2.0.14+zstd.1.5.7
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling zstd v0.13.3
[INFO] [stderr]    Compiling vbinseq v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/reader.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn iter(&self) -> RecordBlockIter {
[INFO] [stdout]     |                 ^^^^^     --------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn iter(&self) -> RecordBlockIter<'_> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.41s
[INFO] running `Command { std: "docker" "inspect" "1afbefe2375092242db369a8a8028f749fed506e92c4d4c4ae46a89ff7289a72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1afbefe2375092242db369a8a8028f749fed506e92c4d4c4ae46a89ff7289a72", kill_on_drop: false }`
[INFO] [stdout] 1afbefe2375092242db369a8a8028f749fed506e92c4d4c4ae46a89ff7289a72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5efcc5db7f67b54a4830dddf1cf1dfa78707b549d6b8843348347de0b1c425eb
[INFO] running `Command { std: "docker" "start" "-a" "5efcc5db7f67b54a4830dddf1cf1dfa78707b549d6b8843348347de0b1c425eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling miniz_oxide v0.8.5
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling either v1.14.0
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling crossbeam-channel v0.5.14
[INFO] [stderr]    Compiling clap_builder v4.5.31
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling flate2 v1.1.0
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling cc v1.2.15
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling slice-ring-buffer v0.3.4
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling buffer-redux v1.0.2
[INFO] [stderr]    Compiling zstd-sys v2.0.14+zstd.1.5.7
[INFO] [stderr]    Compiling bzip2-sys v0.1.12+1.0.8
[INFO] [stderr]    Compiling liblzma-sys v0.3.13
[INFO] [stderr]    Compiling bzip2 v0.5.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling liblzma v0.3.6
[INFO] [stderr]    Compiling clap_derive v4.5.28
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling zstd-safe v7.2.3
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling zstd v0.13.3
[INFO] [stderr]    Compiling bgzip v0.3.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling niffler v3.0.0
[INFO] [stderr]    Compiling paraseq v0.1.2
[INFO] [stderr]    Compiling vbinseq v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling clap v4.5.31
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/reader.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn iter(&self) -> RecordBlockIter {
[INFO] [stdout]     |                 ^^^^^     --------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn iter(&self) -> RecordBlockIter<'_> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/reader.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn iter(&self) -> RecordBlockIter {
[INFO] [stdout]     |                 ^^^^^     --------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn iter(&self) -> RecordBlockIter<'_> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "5efcc5db7f67b54a4830dddf1cf1dfa78707b549d6b8843348347de0b1c425eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5efcc5db7f67b54a4830dddf1cf1dfa78707b549d6b8843348347de0b1c425eb", kill_on_drop: false }`
[INFO] [stdout] 5efcc5db7f67b54a4830dddf1cf1dfa78707b549d6b8843348347de0b1c425eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] deacd563a22203e8831ef5ab46a9ccf4584d06c5626079dab02754b6f4ca7991
[INFO] running `Command { std: "docker" "start" "-a" "deacd563a22203e8831ef5ab46a9ccf4584d06c5626079dab02754b6f4ca7991", kill_on_drop: false }`
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/reader.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |     pub fn iter(&self) -> RecordBlockIter {
[INFO] [stderr]     |                 ^^^^^     --------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 135 |     pub fn iter(&self) -> RecordBlockIter<'_> {
[INFO] [stderr]     |                                          ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `vbinseq` (lib) generated 1 warning
[INFO] [stderr] warning: `vbinseq` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vbinseq-54f68f20fc0916e0)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test writer::tests::test_ingest_single_record ... ok
[INFO] [stdout] test writer::tests::test_ingest_incompatible_headers ... ok
[INFO] [stdout] test writer::tests::test_ingest_with_quality_scores ... ok
[INFO] [stdout] test writer::tests::test_headless_writer ... ok
[INFO] [stdout] test writer::tests::test_ingest_multi_record ... ok
[INFO] [stdout] test writer::tests::test_ingest_empty_writer ... ok
[INFO] [stdout] test writer::tests::test_ingest_block_boundary ... ok
[INFO] [stdout] test writer::tests::test_ingest_with_compression ... ok
[INFO] [stderr]    Doc-tests vbinseq
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 42 tests
[INFO] [stdout] test src/reader.rs - reader::MmapReader (line 705) - compile ... ok
[INFO] [stdout] test src/reader.rs - reader::MmapReader::load_index (line 941) - compile ... ok
[INFO] [stdout] test src/index.rs - index::BlockIndex (line 325) - compile ... ok
[INFO] [stdout] test src/index.rs - index::BlockIndex::n_blocks (line 373) - compile ... ok
[INFO] [stdout] test src/index.rs - index::BlockIndex::from_vbq (line 471) - compile ... ok
[INFO] [stdout] test src/reader.rs - reader::MmapReader::process_parallel (line 1010) - compile ... ok
[INFO] [stdout] test src/index.rs - index::BlockIndex::ranges (line 587) - compile ... ok
[INFO] [stdout] test src/index.rs - index::BlockIndex::save_to_path (line 402) - compile ... ok
[INFO] [stdout] test src/reader.rs - reader::RecordBlock (line 42) - compile ... ok
[INFO] [stdout] test src/reader.rs - reader::RecordBlock::iter (line 123) - compile ... ok
[INFO] [stdout] test src/reader.rs - reader::RefRecord<'a>::decode_s (line 575) - compile ... ok
[INFO] [stdout] test src/reader.rs - reader::MmapReader::new_block (line 801) - compile ... ok
[INFO] [stdout] test src/reader.rs - reader::MmapReader::new (line 759) - compile ... ok
[INFO] [stdout] test src/reader.rs - reader::MmapReader::read_block_into (line 860) - compile ... ok
[INFO] [stdout] test src/header.rs - header::BlockHeader::new (line 320) ... ok
[INFO] [stdout] test src/writer.rs - writer::VBinseqWriter<W>::is_paired (line 360) - compile ... ok
[INFO] [stdout] test src/reader.rs - reader::RefRecord<'a>::is_paired (line 653) - compile ... ok
[INFO] [stdout] test src/reader.rs - reader::RefRecord<'a>::has_quality (line 677) - compile ... ok
[INFO] [stdout] test src/writer.rs - writer::VBinseqWriter (line 288) - compile ... ok
[INFO] [stdout] test src/reader.rs - reader::RefRecord (line 393) - compile ... ok
[INFO] [stdout] test src/header.rs - header::VBinseqHeader::with_capacity (line 159) ... ok
[INFO] [stdout] test src/header.rs - header::VBinseqHeader::new (line 138) ... ok
[INFO] [stdout] test src/writer.rs - writer::VBinseqWriter<W>::finish (line 776) - compile ... ok
[INFO] [stdout] test src/index.rs - index::BlockRange::new (line 103) ... ok
[INFO] [stdout] test src/writer.rs - writer (line 12) - compile ... ok
[INFO] [stdout] test src/writer.rs - writer::VBinseqWriter<W>::has_quality (line 393) - compile ... ok
[INFO] [stdout] test src/index.rs - index::BlockRange (line 36) ... ok
[INFO] [stdout] test src/writer.rs - writer::VBinseqWriterBuilder::headless (line 214) - compile ... ok
[INFO] [stdout] test src/writer.rs - writer::VBinseqWriter<W>::write_nucleotides_paired (line 510) - compile ... ok
[INFO] [stdout] test src/writer.rs - writer::VBinseqWriter<W>::write_nucleotides (line 440) - compile ... ok
[INFO] [stdout] test src/error.rs - error::Error (line 31) ... ok
[INFO] [stdout] test src/reader.rs - reader::RefRecord<'a>::decode_x (line 619) - compile ... ok
[INFO] [stdout] test src/writer.rs - writer::VBinseqWriter<W>::write_nucleotides_quality (line 599) - compile ... ok
[INFO] [stdout] test src/writer.rs - writer::VBinseqWriterBuilder::header (line 158) - compile ... ok
[INFO] [stdout] test src/writer.rs - writer::VBinseqWriterBuilder::build (line 242) - compile ... ok
[INFO] [stdout] test src/writer.rs - writer::VBinseqWriterBuilder::policy (line 188) - compile ... ok
[INFO] [stdout] test src/writer.rs - writer::VBinseqWriterBuilder (line 119) - compile ... ok
[INFO] [stdout] test src/writer.rs - writer::record_byte_size (line 70) ... ok
[INFO] [stdout] test src/writer.rs - writer::VBinseqWriter<W>::write_nucleotides_quality_paired (line 690) - compile ... ok
[INFO] [stdout] test src/writer.rs - writer::record_byte_size_quality (line 99) ... ok
[INFO] [stdout] test src/lib.rs - (line 28) ... FAILED
[INFO] [stdout] test src/writer.rs - writer::VBinseqWriter<W>::ingest (line 835) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 28) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' panicked at src/lib.rs:16:58:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55cc3e026412 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55cc3e026412 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55cc3e026412 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x55cc3e026412 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x55cc3e042973 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x55cc3e042973 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x55cc3e023dc3 - std::io::default_write_fmt::h92ac9345fd53cc14
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x55cc3e023dc3 - std::io::Write::write_fmt::h5ebaf381f8338068
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x55cc3e026262 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x55cc3e027386 - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x55cc3e027189 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:327:9
[INFO] [stdout]   11:     0x55cc3e027c52 - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:833:13
[INFO] [stdout]   12:     0x55cc3e027aea - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:706:13
[INFO] [stdout]   13:     0x55cc3e026909 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   14:     0x55cc3e02777d - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   15:     0x55cc3e041c30 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   16:     0x55cc3e041fd6 - core::result::unwrap_failed::hfbbd3c78a73fea3d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1761:5
[INFO] [stdout]   17:     0x55cc3de68783 - rust_out::main::_doctest_main_src_lib_rs_28_0::hb844af6e1c967b3c
[INFO] [stdout]   18:     0x55cc3de686c6 - rust_out::main::h4293891446a396e5
[INFO] [stdout]   19:     0x55cc3de61cb3 - core::ops::function::FnOnce::call_once::h1b7f0f4a0fa90646
[INFO] [stdout]   20:     0x55cc3de617d6 - std::sys::backtrace::__rust_begin_short_backtrace::h93ddb45b5142a0f2
[INFO] [stdout]   21:     0x55cc3de61579 - std::rt::lang_start::{{closure}}::hc7952c01b1103b9a
[INFO] [stdout]   22:     0x55cc3e020750 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc3929e8466919df6
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:284:21
[INFO] [stdout]   23:     0x55cc3e020750 - std::panicking::catch_unwind::do_call::hed30a66745299fca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   24:     0x55cc3e020750 - std::panicking::catch_unwind::hdfb0bc9563518507
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   25:     0x55cc3e020750 - std::panic::catch_unwind::hd0a1d748acfba573
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x55cc3e020750 - std::rt::lang_start_internal::{{closure}}::h0c1845f1b3064b93
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x55cc3e020750 - std::panicking::catch_unwind::do_call::h1114c52e864472d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   28:     0x55cc3e020750 - std::panicking::catch_unwind::h91938c6665615bc7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   29:     0x55cc3e020750 - std::panic::catch_unwind::h0c65d4211626564a
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x55cc3e020750 - std::rt::lang_start_internal::hc41e58da8618ff02
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x55cc3de61561 - std::rt::lang_start::hcc2a7507424cf42d
[INFO] [stdout]   32:     0x55cc3de695c5 - main
[INFO] [stdout]   33:     0x734c411201ca - <unknown>
[INFO] [stdout]   34:     0x734c4112028b - __libc_start_main
[INFO] [stdout]   35:     0x55cc3de600a5 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 28)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 41 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.18s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "deacd563a22203e8831ef5ab46a9ccf4584d06c5626079dab02754b6f4ca7991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deacd563a22203e8831ef5ab46a9ccf4584d06c5626079dab02754b6f4ca7991", kill_on_drop: false }`
[INFO] [stdout] deacd563a22203e8831ef5ab46a9ccf4584d06c5626079dab02754b6f4ca7991
