[INFO] fetching crate stegano 0.1.1...
[INFO] testing stegano-0.1.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate stegano 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate stegano 0.1.1
[INFO] finished tweaking crates.io crate stegano 0.1.1
[INFO] tweaked toml for crates.io crate stegano 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stegano 0.1.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stegano 0.1.1 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" "+beta-2025-10-28" "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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3f29e8409f8d48a7242ab213a31d147b31a4e263e4f030b9a982d97e7a049cb
[INFO] running `Command { std: "docker" "start" "-a" "f3f29e8409f8d48a7242ab213a31d147b31a4e263e4f030b9a982d97e7a049cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3f29e8409f8d48a7242ab213a31d147b31a4e263e4f030b9a982d97e7a049cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3f29e8409f8d48a7242ab213a31d147b31a4e263e4f030b9a982d97e7a049cb", kill_on_drop: false }`
[INFO] [stdout] f3f29e8409f8d48a7242ab213a31d147b31a4e263e4f030b9a982d97e7a049cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6b525f9ffc49a519841c460afd76d333c1d576e48ea234dd72f7a4e04930b43
[INFO] running `Command { std: "docker" "start" "-a" "b6b525f9ffc49a519841c460afd76d333c1d576e48ea234dd72f7a4e04930b43", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling crc32-v2 v0.0.4
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling clap_lex v0.6.0
[INFO] [stderr]    Compiling cpufeatures v0.2.11
[INFO] [stderr]    Compiling anstyle-parse v0.2.2
[INFO] [stderr]    Compiling anstream v0.6.4
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling clap_builder v4.4.9
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling aes v0.8.3
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling clap v4.4.10
[INFO] [stderr]    Compiling stegano v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.24s
[INFO] running `Command { std: "docker" "inspect" "b6b525f9ffc49a519841c460afd76d333c1d576e48ea234dd72f7a4e04930b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6b525f9ffc49a519841c460afd76d333c1d576e48ea234dd72f7a4e04930b43", kill_on_drop: false }`
[INFO] [stdout] b6b525f9ffc49a519841c460afd76d333c1d576e48ea234dd72f7a4e04930b43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 534ca1bf841ff07e4a9eec3b524af024901d1ff1d4b06f36fea453f6056adf68
[INFO] running `Command { std: "docker" "start" "-a" "534ca1bf841ff07e4a9eec3b524af024901d1ff1d4b06f36fea453f6056adf68", kill_on_drop: false }`
[INFO] [stderr]    Compiling stegano v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "534ca1bf841ff07e4a9eec3b524af024901d1ff1d4b06f36fea453f6056adf68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "534ca1bf841ff07e4a9eec3b524af024901d1ff1d4b06f36fea453f6056adf68", kill_on_drop: false }`
[INFO] [stdout] 534ca1bf841ff07e4a9eec3b524af024901d1ff1d4b06f36fea453f6056adf68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 28b15daf8252110ec01e7017ba8e564ab4c75d9db4065015acde8e6dda682ac8
[INFO] running `Command { std: "docker" "start" "-a" "28b15daf8252110ec01e7017ba8e564ab4c75d9db4065015acde8e6dda682ac8", kill_on_drop: false }`
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stegano-260c7f38e1bc6f79)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/stegano-2ec2bb55ef34de6d)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stegano
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test src/jpeg/dht.rs - jpeg::dht::DhtHeader::new (line 28) ... ok
[INFO] [stdout] test src/jpeg/header.rs - jpeg::header::JfifHeader::new (line 26) ... ok
[INFO] [stdout] test src/jpeg/sof.rs - jpeg::sof::SofHeader::new (line 30) ... ok
[INFO] [stdout] test src/jpeg/dqt.rs - jpeg::dqt::DqtHeader::write (line 53) ... FAILED
[INFO] [stdout] test src/jpeg/sof.rs - jpeg::sof::SofHeader::write (line 52) ... FAILED
[INFO] [stdout] test src/jpeg/dqt.rs - jpeg::dqt::DqtHeader::new (line 29) ... ok
[INFO] [stdout] test src/jpeg/comment.rs - jpeg::comment::CommentHeader::new (line 27) ... ok
[INFO] [stdout] test src/jpeg/huff.rs - jpeg::huff::Huffman::buffer_it (line 404) ... ok
[INFO] [stdout] test src/jpeg/sos.rs - jpeg::sos::SosHeader::new (line 28) ... ok
[INFO] [stdout] test src/jpeg/header.rs - jpeg::header::JfifHeader::write (line 77) ... FAILED
[INFO] [stdout] test src/jpeg/dht.rs - jpeg::dht::DhtHeader::write (line 52) ... FAILED
[INFO] [stdout] test src/jpeg/comment.rs - jpeg::comment::CommentHeader::write (line 49) ... FAILED
[INFO] [stdout] test src/jpeg/utils.rs - jpeg::utils::process_sos_data (line 508) ... ok
[INFO] [stdout] test src/jpeg/huff.rs - jpeg::huff::Huffman::new (line 83) ... ok
[INFO] [stdout] test src/jpeg/utils.rs - jpeg::utils::process_dht_data (line 415) ... ok
[INFO] [stdout] test src/jpeg/utils.rs - jpeg::utils::read_marker (line 57) ... ok
[INFO] [stdout] test src/jpeg/utils.rs - jpeg::utils::read_jpeg_headers (line 116) ... FAILED
[INFO] [stdout] test src/jpeg/dct.rs - jpeg::dct::DctStruct::new (line 42) ... ok
[INFO] [stdout] test src/models.rs - models::Header (line 15) ... ok
[INFO] [stdout] test src/models.rs - models::MetaChunk (line 71) ... ok
[INFO] [stdout] test src/models.rs - models::Chunk (line 38) ... ok
[INFO] [stdout] test src/utils.rs - utils::pad_with_zeros (line 136) ... ok
[INFO] [stdout] test src/jpeg/utils.rs - jpeg::utils::process_sof_data (line 341) ... ok
[INFO] [stdout] test src/jpeg/sos.rs - jpeg::sos::SosHeader::write (line 51) ... FAILED
[INFO] [stdout] test src/jpeg/huff.rs - jpeg::huff::Huffman::huffman_block_encoder (line 272) ... ok
[INFO] [stdout] test src/utils.rs - utils::decrypt_data (line 216) ... ok
[INFO] [stdout] test src/jpeg/huff.rs - jpeg::huff::Huffman::flush_buffer (line 456) ... ok
[INFO] [stdout] test src/utils.rs - utils::encrypt_payload (line 163) ... ok
[INFO] [stdout] test src/utils.rs - utils::print_hex (line 74) ... ok
[INFO] [stdout] test src/utils.rs - utils::u64_to_u8_array (line 46) ... ok
[INFO] [stdout] test src/utils.rs - utils::xor_encrypt_decrypt (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/jpeg/dqt.rs - jpeg::dqt::DqtHeader::write (line 53) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Invalid byte slice for DctStruct
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (321) panicked at src/jpeg/dqt.rs:15:45:
[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:     0x60e1c8991e12 - std::backtrace_rs::backtrace::libunwind::trace::h16acf28769fcd909
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x60e1c8991e12 - std::backtrace_rs::backtrace::trace_unsynchronized::hb5541aa5d4f92513
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x60e1c8991e12 - std::sys::backtrace::_print_fmt::h8ac8268cb667a306
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x60e1c8991e12 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h47627beda0767f4c
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x60e1c89a0b1f - core::fmt::rt::Argument::fmt::h686a01ad57c1c92a
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x60e1c89a0b1f - core::fmt::write::h8a63064c67176fd8
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x60e1c896fd93 - std::io::default_write_fmt::hc257f38f86d39af6
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x60e1c896fd93 - std::io::Write::write_fmt::h5e9b646cef91150b
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x60e1c8975462 - std::sys::backtrace::BacktraceLock::print::h4634d27c0afbaebb
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x60e1c8976c8c - std::panicking::default_hook::{{closure}}::h23e0299d4738b766
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x60e1c8976ae6 - std::panicking::default_hook::hfeec6294e8751b62
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:328:9
[INFO] [stdout]   11:     0x60e1c8977265 - std::panicking::panic_with_hook::hd57cd463d793ed79
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:834:13
[INFO] [stdout]   12:     0x60e1c89770fa - std::panicking::panic_handler::{{closure}}::hddd6216c3fddee3b
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:707:13
[INFO] [stdout]   13:     0x60e1c8975599 - std::sys::backtrace::__rust_end_short_backtrace::h5e7a56f283378525
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x60e1c896490d - __rustc[256c90bb7e548b45]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:698:5
[INFO] [stdout]   15:     0x60e1c89a3f80 - core::panicking::panic_fmt::hf19c198748ef6a95
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x60e1c89a3756 - core::result::unwrap_failed::he81173b5792ad6b0
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/result.rs:1862:5
[INFO] [stdout]   17:     0x60e1c895fd5c - rust_out::main::_doctest_main_src_jpeg_dqt_rs_53_0::h5b292b6097daf6a2
[INFO] [stdout]   18:     0x60e1c895fb76 - rust_out::main::he986860d8b7bc94f
[INFO] [stdout]   19:     0x60e1c895f273 - core::ops::function::FnOnce::call_once::hd0f888ea33950d2d
[INFO] [stdout]   20:     0x60e1c895f256 - std::sys::backtrace::__rust_begin_short_backtrace::h70a8cfcb1f800bff
[INFO] [stdout]   21:     0x60e1c895f239 - std::rt::lang_start::{{closure}}::h03ca8d00642774ee
[INFO] [stdout]   22:     0x60e1c89714c0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hdf957eac011d0136
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   23:     0x60e1c89714c0 - std::panicking::catch_unwind::do_call::h9ff550f7799115e1
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stdout]   24:     0x60e1c89714c0 - std::panicking::catch_unwind::ha7ce46787bb12905
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stdout]   25:     0x60e1c89714c0 - std::panic::catch_unwind::h625b36596def7d39
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x60e1c89714c0 - std::rt::lang_start_internal::{{closure}}::h4cbc9430de699e2c
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x60e1c89714c0 - std::panicking::catch_unwind::do_call::h5af2f11409a22e3e
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stdout]   28:     0x60e1c89714c0 - std::panicking::catch_unwind::hf64cf7b0d8070f52
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stdout]   29:     0x60e1c89714c0 - std::panic::catch_unwind::h480b74763390cdcf
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x60e1c89714c0 - std::rt::lang_start_internal::h4b3d04f698aef094
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x60e1c895f221 - std::rt::lang_start::h457230af78cce7e7
[INFO] [stdout]   32:     0x60e1c895fe95 - main
[INFO] [stdout]   33:     0x74e9ab02b1ca - <unknown>
[INFO] [stdout]   34:     0x74e9ab02b28b - __libc_start_main
[INFO] [stdout]   35:     0x60e1c895e9e5 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/jpeg/sof.rs - jpeg::sof::SofHeader::write (line 52) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (383) panicked at src/jpeg/sof.rs:10:45:
[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:     0x59d548eef272 - std::backtrace_rs::backtrace::libunwind::trace::h16acf28769fcd909
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x59d548eef272 - std::backtrace_rs::backtrace::trace_unsynchronized::hb5541aa5d4f92513
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x59d548eef272 - std::sys::backtrace::_print_fmt::h8ac8268cb667a306
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x59d548eef272 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h47627beda0767f4c
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x59d548efdf3f - core::fmt::rt::Argument::fmt::h686a01ad57c1c92a
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x59d548efdf3f - core::fmt::write::h8a63064c67176fd8
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x59d548ecd1f3 - std::io::default_write_fmt::hc257f38f86d39af6
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x59d548ecd1f3 - std::io::Write::write_fmt::h5e9b646cef91150b
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x59d548ed28c2 - std::sys::backtrace::BacktraceLock::print::h4634d27c0afbaebb
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x59d548ed40ec - std::panicking::default_hook::{{closure}}::h23e0299d4738b766
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x59d548ed3f46 - std::panicking::default_hook::hfeec6294e8751b62
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:328:9
[INFO] [stdout]   11:     0x59d548ed46c5 - std::panicking::panic_with_hook::hd57cd463d793ed79
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:834:13
[INFO] [stdout]   12:     0x59d548ed455a - std::panicking::panic_handler::{{closure}}::hddd6216c3fddee3b
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:707:13
[INFO] [stdout]   13:     0x59d548ed29f9 - std::sys::backtrace::__rust_end_short_backtrace::h5e7a56f283378525
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x59d548ec1d6d - __rustc[256c90bb7e548b45]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:698:5
[INFO] [stdout]   15:     0x59d548f01360 - core::panicking::panic_fmt::hf19c198748ef6a95
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x59d548f00b76 - core::result::unwrap_failed::he81173b5792ad6b0
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/result.rs:1862:5
[INFO] [stdout]   17:     0x59d548ebdf01 - rust_out::main::_doctest_main_src_jpeg_sof_rs_52_0::h87df6b8d2d274ea0
[INFO] [stdout]   18:     0x59d548ebde96 - rust_out::main::he986860d8b7bc94f
[INFO] [stdout]   19:     0x59d548ebd593 - core::ops::function::FnOnce::call_once::hd0f888ea33950d2d
[INFO] [stdout]   20:     0x59d548ebd576 - std::sys::backtrace::__rust_begin_short_backtrace::h70a8cfcb1f800bff
[INFO] [stdout]   21:     0x59d548ebd559 - std::rt::lang_start::{{closure}}::h03ca8d00642774ee
[INFO] [stdout]   22:     0x59d548ece920 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hdf957eac011d0136
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   23:     0x59d548ece920 - std::panicking::catch_unwind::do_call::h9ff550f7799115e1
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stdout]   24:     0x59d548ece920 - std::panicking::catch_unwind::ha7ce46787bb12905
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stdout]   25:     0x59d548ece920 - std::panic::catch_unwind::h625b36596def7d39
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x59d548ece920 - std::rt::lang_start_internal::{{closure}}::h4cbc9430de699e2c
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x59d548ece920 - std::panicking::catch_unwind::do_call::h5af2f11409a22e3e
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stdout]   28:     0x59d548ece920 - std::panicking::catch_unwind::hf64cf7b0d8070f52
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stdout]   29:     0x59d548ece920 - std::panic::catch_unwind::h480b74763390cdcf
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x59d548ece920 - std::rt::lang_start_internal::h4b3d04f698aef094
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x59d548ebd541 - std::rt::lang_start::h457230af78cce7e7
[INFO] [stdout]   32:     0x59d548ebe075 - main
[INFO] [stdout]   33:     0x7ab280fa91ca - <unknown>
[INFO] [stdout]   34:     0x7ab280fa928b - __libc_start_main
[INFO] [stdout]   35:     0x59d548ebcd05 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/jpeg/header.rs - jpeg::header::JfifHeader::write (line 77) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (488) panicked at src/jpeg/header.rs:9:45:
[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:     0x6132ceed1bf2 - std::backtrace_rs::backtrace::libunwind::trace::h16acf28769fcd909
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6132ceed1bf2 - std::backtrace_rs::backtrace::trace_unsynchronized::hb5541aa5d4f92513
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6132ceed1bf2 - std::sys::backtrace::_print_fmt::h8ac8268cb667a306
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x6132ceed1bf2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h47627beda0767f4c
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x6132ceee085f - core::fmt::rt::Argument::fmt::h686a01ad57c1c92a
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x6132ceee085f - core::fmt::write::h8a63064c67176fd8
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x6132ceeafb73 - std::io::default_write_fmt::hc257f38f86d39af6
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x6132ceeafb73 - std::io::Write::write_fmt::h5e9b646cef91150b
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x6132ceeb5242 - std::sys::backtrace::BacktraceLock::print::h4634d27c0afbaebb
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x6132ceeb6a6c - std::panicking::default_hook::{{closure}}::h23e0299d4738b766
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x6132ceeb68c6 - std::panicking::default_hook::hfeec6294e8751b62
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:328:9
[INFO] [stdout]   11:     0x6132ceeb7045 - std::panicking::panic_with_hook::hd57cd463d793ed79
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:834:13
[INFO] [stdout]   12:     0x6132ceeb6eda - std::panicking::panic_handler::{{closure}}::hddd6216c3fddee3b
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:707:13
[INFO] [stdout]   13:     0x6132ceeb5379 - std::sys::backtrace::__rust_end_short_backtrace::h5e7a56f283378525
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x6132ceea46ed - __rustc[256c90bb7e548b45]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:698:5
[INFO] [stdout]   15:     0x6132ceee3c50 - core::panicking::panic_fmt::hf19c198748ef6a95
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x6132ceee3496 - core::result::unwrap_failed::he81173b5792ad6b0
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/result.rs:1862:5
[INFO] [stdout]   17:     0x6132ceea2058 - rust_out::main::_doctest_main_src_jpeg_header_rs_77_0::h367c0edd8e905744
[INFO] [stdout]   18:     0x6132ceea1ff6 - rust_out::main::he986860d8b7bc94f
[INFO] [stdout]   19:     0x6132ceea16f3 - core::ops::function::FnOnce::call_once::hd0f888ea33950d2d
[INFO] [stdout]   20:     0x6132ceea16d6 - std::sys::backtrace::__rust_begin_short_backtrace::h70a8cfcb1f800bff
[INFO] [stdout]   21:     0x6132ceea16b9 - std::rt::lang_start::{{closure}}::h03ca8d00642774ee
[INFO] [stdout]   22:     0x6132ceeb12a0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hdf957eac011d0136
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   23:     0x6132ceeb12a0 - std::panicking::catch_unwind::do_call::h9ff550f7799115e1
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stdout]   24:     0x6132ceeb12a0 - std::panicking::catch_unwind::ha7ce46787bb12905
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stdout]   25:     0x6132ceeb12a0 - std::panic::catch_unwind::h625b36596def7d39
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x6132ceeb12a0 - std::rt::lang_start_internal::{{closure}}::h4cbc9430de699e2c
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x6132ceeb12a0 - std::panicking::catch_unwind::do_call::h5af2f11409a22e3e
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stdout]   28:     0x6132ceeb12a0 - std::panicking::catch_unwind::hf64cf7b0d8070f52
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stdout]   29:     0x6132ceeb12a0 - std::panic::catch_unwind::h480b74763390cdcf
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x6132ceeb12a0 - std::rt::lang_start_internal::h4b3d04f698aef094
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x6132ceea16a1 - std::rt::lang_start::h457230af78cce7e7
[INFO] [stdout]   32:     0x6132ceea2155 - main
[INFO] [stdout]   33:     0x7c9ff5f061ca - <unknown>
[INFO] [stdout]   34:     0x7c9ff5f0628b - __libc_start_main
[INFO] [stdout]   35:     0x6132ceea0e65 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/jpeg/dht.rs - jpeg::dht::DhtHeader::write (line 52) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (429) panicked at src/jpeg/dht.rs:15:45:
[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:     0x64ece02d00b2 - std::backtrace_rs::backtrace::libunwind::trace::h16acf28769fcd909
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x64ece02d00b2 - std::backtrace_rs::backtrace::trace_unsynchronized::hb5541aa5d4f92513
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x64ece02d00b2 - std::sys::backtrace::_print_fmt::h8ac8268cb667a306
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x64ece02d00b2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h47627beda0767f4c
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x64ece02dedaf - core::fmt::rt::Argument::fmt::h686a01ad57c1c92a
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x64ece02dedaf - core::fmt::write::h8a63064c67176fd8
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x64ece02ae033 - std::io::default_write_fmt::hc257f38f86d39af6
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x64ece02ae033 - std::io::Write::write_fmt::h5e9b646cef91150b
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x64ece02b3702 - std::sys::backtrace::BacktraceLock::print::h4634d27c0afbaebb
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x64ece02b4f2c - std::panicking::default_hook::{{closure}}::h23e0299d4738b766
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x64ece02b4d86 - std::panicking::default_hook::hfeec6294e8751b62
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:328:9
[INFO] [stdout]   11:     0x64ece02b5505 - std::panicking::panic_with_hook::hd57cd463d793ed79
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:834:13
[INFO] [stdout]   12:     0x64ece02b539a - std::panicking::panic_handler::{{closure}}::hddd6216c3fddee3b
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:707:13
[INFO] [stdout]   13:     0x64ece02b3839 - std::sys::backtrace::__rust_end_short_backtrace::h5e7a56f283378525
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x64ece02a2bad - __rustc[256c90bb7e548b45]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:698:5
[INFO] [stdout]   15:     0x64ece02e2240 - core::panicking::panic_fmt::hf19c198748ef6a95
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x64ece02e19e6 - core::result::unwrap_failed::he81173b5792ad6b0
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/result.rs:1862:5
[INFO] [stdout]   17:     0x64ece0298f93 - rust_out::main::_doctest_main_src_jpeg_dht_rs_52_0::ha80ad2a768f2fe2b
[INFO] [stdout]   18:     0x64ece0298ea6 - rust_out::main::he986860d8b7bc94f
[INFO] [stdout]   19:     0x64ece02985a3 - core::ops::function::FnOnce::call_once::hd0f888ea33950d2d
[INFO] [stdout]   20:     0x64ece0298586 - std::sys::backtrace::__rust_begin_short_backtrace::h70a8cfcb1f800bff
[INFO] [stdout]   21:     0x64ece0298569 - std::rt::lang_start::{{closure}}::h03ca8d00642774ee
[INFO] [stdout]   22:     0x64ece02af760 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hdf957eac011d0136
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   23:     0x64ece02af760 - std::panicking::catch_unwind::do_call::h9ff550f7799115e1
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stdout]   24:     0x64ece02af760 - std::panicking::catch_unwind::ha7ce46787bb12905
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stdout]   25:     0x64ece02af760 - std::panic::catch_unwind::h625b36596def7d39
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x64ece02af760 - std::rt::lang_start_internal::{{closure}}::h4cbc9430de699e2c
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x64ece02af760 - std::panicking::catch_unwind::do_call::h5af2f11409a22e3e
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stdout]   28:     0x64ece02af760 - std::panicking::catch_unwind::hf64cf7b0d8070f52
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stdout]   29:     0x64ece02af760 - std::panic::catch_unwind::h480b74763390cdcf
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x64ece02af760 - std::rt::lang_start_internal::h4b3d04f698aef094
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x64ece0298551 - std::rt::lang_start::h457230af78cce7e7
[INFO] [stdout]   32:     0x64ece02990d5 - main
[INFO] [stdout]   33:     0x7c9e234eb1ca - <unknown>
[INFO] [stdout]   34:     0x7c9e234eb28b - __libc_start_main
[INFO] [stdout]   35:     0x64ece0297d15 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/jpeg/comment.rs - jpeg::comment::CommentHeader::write (line 49) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (526) panicked at src/jpeg/comment.rs:9:45:
[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:     0x57f9cb282bb2 - std::backtrace_rs::backtrace::libunwind::trace::h16acf28769fcd909
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x57f9cb282bb2 - std::backtrace_rs::backtrace::trace_unsynchronized::hb5541aa5d4f92513
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x57f9cb282bb2 - std::sys::backtrace::_print_fmt::h8ac8268cb667a306
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x57f9cb282bb2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h47627beda0767f4c
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x57f9cb29184f - core::fmt::rt::Argument::fmt::h686a01ad57c1c92a
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x57f9cb29184f - core::fmt::write::h8a63064c67176fd8
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x57f9cb260b33 - std::io::default_write_fmt::hc257f38f86d39af6
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x57f9cb260b33 - std::io::Write::write_fmt::h5e9b646cef91150b
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x57f9cb266202 - std::sys::backtrace::BacktraceLock::print::h4634d27c0afbaebb
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x57f9cb267a2c - std::panicking::default_hook::{{closure}}::h23e0299d4738b766
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x57f9cb267886 - std::panicking::default_hook::hfeec6294e8751b62
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:328:9
[INFO] [stdout]   11:     0x57f9cb268005 - std::panicking::panic_with_hook::hd57cd463d793ed79
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:834:13
[INFO] [stdout]   12:     0x57f9cb267e9a - std::panicking::panic_handler::{{closure}}::hddd6216c3fddee3b
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:707:13
[INFO] [stdout]   13:     0x57f9cb266339 - std::sys::backtrace::__rust_end_short_backtrace::h5e7a56f283378525
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x57f9cb2556ad - __rustc[256c90bb7e548b45]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:698:5
[INFO] [stdout]   15:     0x57f9cb294c70 - core::panicking::panic_fmt::hf19c198748ef6a95
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x57f9cb294486 - core::result::unwrap_failed::he81173b5792ad6b0
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/result.rs:1862:5
[INFO] [stdout]   17:     0x57f9cb2509a8 - rust_out::main::_doctest_main_src_jpeg_comment_rs_49_0::h4716be0b5912b96c
[INFO] [stdout]   18:     0x57f9cb250946 - rust_out::main::he986860d8b7bc94f
[INFO] [stdout]   19:     0x57f9cb250043 - core::ops::function::FnOnce::call_once::hd0f888ea33950d2d
[INFO] [stdout]   20:     0x57f9cb250026 - std::sys::backtrace::__rust_begin_short_backtrace::h70a8cfcb1f800bff
[INFO] [stdout]   21:     0x57f9cb250009 - std::rt::lang_start::{{closure}}::h03ca8d00642774ee
[INFO] [stdout]   22:     0x57f9cb262260 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hdf957eac011d0136
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   23:     0x57f9cb262260 - std::panicking::catch_unwind::do_call::h9ff550f7799115e1
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stdout]   24:     0x57f9cb262260 - std::panicking::catch_unwind::ha7ce46787bb12905
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stdout]   25:     0x57f9cb262260 - std::panic::catch_unwind::h625b36596def7d39
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x57f9cb262260 - std::rt::lang_start_internal::{{closure}}::h4cbc9430de699e2c
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x57f9cb262260 - std::panicking::catch_unwind::do_call::h5af2f11409a22e3e
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stdout]   28:     0x57f9cb262260 - std::panicking::catch_unwind::hf64cf7b0d8070f52
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stdout]   29:     0x57f9cb262260 - std::panic::catch_unwind::h480b74763390cdcf
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x57f9cb262260 - std::rt::lang_start_internal::h4b3d04f698aef094
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x57f9cb24fff1 - std::rt::lang_start::h457230af78cce7e7
[INFO] [stdout]   32:     0x57f9cb250ae5 - main
[INFO] [stdout]   33:     0x7e5c629401ca - <unknown>
[INFO] [stdout]   34:     0x7e5c6294028b - __libc_start_main
[INFO] [stdout]   35:     0x57f9cb24f7b5 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/jpeg/utils.rs - jpeg::utils::read_jpeg_headers (line 116) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (678) panicked at src/jpeg/utils.rs:8:45:
[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:     0x5f5ea832fde2 - std::backtrace_rs::backtrace::libunwind::trace::h16acf28769fcd909
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f5ea832fde2 - std::backtrace_rs::backtrace::trace_unsynchronized::hb5541aa5d4f92513
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f5ea832fde2 - std::sys::backtrace::_print_fmt::h8ac8268cb667a306
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5f5ea832fde2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h47627beda0767f4c
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5f5ea833ed0f - core::fmt::rt::Argument::fmt::h686a01ad57c1c92a
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5f5ea833ed0f - core::fmt::write::h8a63064c67176fd8
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x5f5ea830d1c3 - std::io::default_write_fmt::hc257f38f86d39af6
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5f5ea830d1c3 - std::io::Write::write_fmt::h5e9b646cef91150b
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5f5ea8312a72 - std::sys::backtrace::BacktraceLock::print::h4634d27c0afbaebb
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5f5ea831436c - std::panicking::default_hook::{{closure}}::h23e0299d4738b766
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5f5ea83141c6 - std::panicking::default_hook::hfeec6294e8751b62
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:328:9
[INFO] [stdout]   11:     0x5f5ea8314945 - std::panicking::panic_with_hook::hd57cd463d793ed79
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:834:13
[INFO] [stdout]   12:     0x5f5ea83147da - std::panicking::panic_handler::{{closure}}::hddd6216c3fddee3b
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:707:13
[INFO] [stdout]   13:     0x5f5ea8312ba9 - std::sys::backtrace::__rust_end_short_backtrace::h5e7a56f283378525
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x5f5ea8301d9d - __rustc[256c90bb7e548b45]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:698:5
[INFO] [stdout]   15:     0x5f5ea8342470 - core::panicking::panic_fmt::hf19c198748ef6a95
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x5f5ea8341b66 - core::result::unwrap_failed::he81173b5792ad6b0
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/result.rs:1862:5
[INFO] [stdout]   17:     0x5f5ea82e9df1 - rust_out::main::_doctest_main_src_jpeg_utils_rs_116_0::h147a048004470cce
[INFO] [stdout]   18:     0x5f5ea82e9d86 - rust_out::main::he986860d8b7bc94f
[INFO] [stdout]   19:     0x5f5ea82e9b33 - core::ops::function::FnOnce::call_once::hd0f888ea33950d2d
[INFO] [stdout]   20:     0x5f5ea82e9ae6 - std::sys::backtrace::__rust_begin_short_backtrace::h70a8cfcb1f800bff
[INFO] [stdout]   21:     0x5f5ea82e9ac9 - std::rt::lang_start::{{closure}}::h03ca8d00642774ee
[INFO] [stdout]   22:     0x5f5ea830ead0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hdf957eac011d0136
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   23:     0x5f5ea830ead0 - std::panicking::catch_unwind::do_call::h9ff550f7799115e1
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stdout]   24:     0x5f5ea830ead0 - std::panicking::catch_unwind::ha7ce46787bb12905
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stdout]   25:     0x5f5ea830ead0 - std::panic::catch_unwind::h625b36596def7d39
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x5f5ea830ead0 - std::rt::lang_start_internal::{{closure}}::h4cbc9430de699e2c
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x5f5ea830ead0 - std::panicking::catch_unwind::do_call::h5af2f11409a22e3e
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stdout]   28:     0x5f5ea830ead0 - std::panicking::catch_unwind::hf64cf7b0d8070f52
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stdout]   29:     0x5f5ea830ead0 - std::panic::catch_unwind::h480b74763390cdcf
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5f5ea830ead0 - std::rt::lang_start_internal::h4b3d04f698aef094
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x5f5ea82e9ab1 - std::rt::lang_start::h457230af78cce7e7
[INFO] [stdout]   32:     0x5f5ea82ea165 - main
[INFO] [stdout]   33:     0x71dbddb4f1ca - <unknown>
[INFO] [stdout]   34:     0x71dbddb4f28b - __libc_start_main
[INFO] [stdout]   35:     0x5f5ea82e9905 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/jpeg/sos.rs - jpeg::sos::SosHeader::write (line 51) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (784) panicked at src/jpeg/sos.rs:10:45:
[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:     0x5cb411d50322 - std::backtrace_rs::backtrace::libunwind::trace::h16acf28769fcd909
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5cb411d50322 - std::backtrace_rs::backtrace::trace_unsynchronized::hb5541aa5d4f92513
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5cb411d50322 - std::sys::backtrace::_print_fmt::h8ac8268cb667a306
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5cb411d50322 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h47627beda0767f4c
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5cb411d5efef - core::fmt::rt::Argument::fmt::h686a01ad57c1c92a
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5cb411d5efef - core::fmt::write::h8a63064c67176fd8
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x5cb411d2e2a3 - std::io::default_write_fmt::hc257f38f86d39af6
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5cb411d2e2a3 - std::io::Write::write_fmt::h5e9b646cef91150b
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5cb411d33972 - std::sys::backtrace::BacktraceLock::print::h4634d27c0afbaebb
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5cb411d3519c - std::panicking::default_hook::{{closure}}::h23e0299d4738b766
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5cb411d34ff6 - std::panicking::default_hook::hfeec6294e8751b62
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:328:9
[INFO] [stdout]   11:     0x5cb411d35775 - std::panicking::panic_with_hook::hd57cd463d793ed79
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:834:13
[INFO] [stdout]   12:     0x5cb411d3560a - std::panicking::panic_handler::{{closure}}::hddd6216c3fddee3b
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:707:13
[INFO] [stdout]   13:     0x5cb411d33aa9 - std::sys::backtrace::__rust_end_short_backtrace::h5e7a56f283378525
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x5cb411d22e1d - __rustc[256c90bb7e548b45]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:698:5
[INFO] [stdout]   15:     0x5cb411d62410 - core::panicking::panic_fmt::hf19c198748ef6a95
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x5cb411d61c26 - core::result::unwrap_failed::he81173b5792ad6b0
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/result.rs:1862:5
[INFO] [stdout]   17:     0x5cb411d1ef61 - rust_out::main::_doctest_main_src_jpeg_sos_rs_51_0::hdab04020aa6b9220
[INFO] [stdout]   18:     0x5cb411d1eef6 - rust_out::main::he986860d8b7bc94f
[INFO] [stdout]   19:     0x5cb411d1e5f3 - core::ops::function::FnOnce::call_once::hd0f888ea33950d2d
[INFO] [stdout]   20:     0x5cb411d1e5d6 - std::sys::backtrace::__rust_begin_short_backtrace::h70a8cfcb1f800bff
[INFO] [stdout]   21:     0x5cb411d1e5b9 - std::rt::lang_start::{{closure}}::h03ca8d00642774ee
[INFO] [stdout]   22:     0x5cb411d2f9d0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hdf957eac011d0136
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   23:     0x5cb411d2f9d0 - std::panicking::catch_unwind::do_call::h9ff550f7799115e1
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stdout]   24:     0x5cb411d2f9d0 - std::panicking::catch_unwind::ha7ce46787bb12905
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stdout]   25:     0x5cb411d2f9d0 - std::panic::catch_unwind::h625b36596def7d39
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x5cb411d2f9d0 - std::rt::lang_start_internal::{{closure}}::h4cbc9430de699e2c
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x5cb411d2f9d0 - std::panicking::catch_unwind::do_call::h5af2f11409a22e3e
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stdout]   28:     0x5cb411d2f9d0 - std::panicking::catch_unwind::hf64cf7b0d8070f52
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stdout]   29:     0x5cb411d2f9d0 - std::panic::catch_unwind::h480b74763390cdcf
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5cb411d2f9d0 - std::rt::lang_start_internal::h4b3d04f698aef094
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x5cb411d1e5a1 - std::rt::lang_start::h457230af78cce7e7
[INFO] [stdout]   32:     0x5cb411d1f0d5 - main
[INFO] [stdout]   33:     0x7f0a8127b1ca - <unknown>
[INFO] [stdout]   34:     0x7f0a8127b28b - __libc_start_main
[INFO] [stdout]   35:     0x5cb411d1dd65 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/jpeg/comment.rs - jpeg::comment::CommentHeader::write (line 49)
[INFO] [stdout]     src/jpeg/dht.rs - jpeg::dht::DhtHeader::write (line 52)
[INFO] [stdout]     src/jpeg/dqt.rs - jpeg::dqt::DqtHeader::write (line 53)
[INFO] [stdout]     src/jpeg/header.rs - jpeg::header::JfifHeader::write (line 77)
[INFO] [stdout]     src/jpeg/sof.rs - jpeg::sof::SofHeader::write (line 52)
[INFO] [stdout]     src/jpeg/sos.rs - jpeg::sos::SosHeader::write (line 51)
[INFO] [stdout]     src/jpeg/utils.rs - jpeg::utils::read_jpeg_headers (line 116)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 24 passed; 7 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.88s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "28b15daf8252110ec01e7017ba8e564ab4c75d9db4065015acde8e6dda682ac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28b15daf8252110ec01e7017ba8e564ab4c75d9db4065015acde8e6dda682ac8", kill_on_drop: false }`
[INFO] [stdout] 28b15daf8252110ec01e7017ba8e564ab4c75d9db4065015acde8e6dda682ac8
