[INFO] fetching crate epubparse 0.2.1...
[INFO] testing epubparse-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate epubparse 0.2.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate epubparse 0.2.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate epubparse 0.2.1
[INFO] finished tweaking crates.io crate epubparse 0.2.1
[INFO] tweaked toml for crates.io crate epubparse 0.2.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db5d5d9a6318bd5dd5dff3cd55ff90870179220059046b3a974dce6d39f58c9a
[INFO] running `Command { std: "docker" "start" "-a" "db5d5d9a6318bd5dd5dff3cd55ff90870179220059046b3a974dce6d39f58c9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db5d5d9a6318bd5dd5dff3cd55ff90870179220059046b3a974dce6d39f58c9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db5d5d9a6318bd5dd5dff3cd55ff90870179220059046b3a974dce6d39f58c9a", kill_on_drop: false }`
[INFO] [stdout] db5d5d9a6318bd5dd5dff3cd55ff90870179220059046b3a974dce6d39f58c9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99835f8ba7e9418de900ecbe823dfa585b885990c8ed07cd0f2e6fd7e869b08f
[INFO] running `Command { std: "docker" "start" "-a" "99835f8ba7e9418de900ecbe823dfa585b885990c8ed07cd0f2e6fd7e869b08f", kill_on_drop: false }`
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling flate2 v1.0.21
[INFO] [stderr]    Compiling zip v0.5.13
[INFO] [stderr]    Compiling xmltree v0.10.3
[INFO] [stderr]    Compiling epubparse v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/parse.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     id: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `properties`
[INFO] [stdout]   --> src/parse.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     properties: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `zip`
[INFO] [stdout]   --> src/parse.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     zip: ZipArchiveWrapper<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_filenames`
[INFO] [stdout]   --> src/parse.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn get_filenames(&self) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_title`
[INFO] [stdout]    --> src/parse.rs:179:12
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn get_title(&self) -> &str {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "99835f8ba7e9418de900ecbe823dfa585b885990c8ed07cd0f2e6fd7e869b08f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99835f8ba7e9418de900ecbe823dfa585b885990c8ed07cd0f2e6fd7e869b08f", kill_on_drop: false }`
[INFO] [stdout] 99835f8ba7e9418de900ecbe823dfa585b885990c8ed07cd0f2e6fd7e869b08f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 384dcbcc2d7704bdccc25e13927d95f60fd949c2b8230e81f4a45ad556af2d1e
[INFO] running `Command { std: "docker" "start" "-a" "384dcbcc2d7704bdccc25e13927d95f60fd949c2b8230e81f4a45ad556af2d1e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/parse.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     id: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `properties`
[INFO] [stdout]   --> src/parse.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     properties: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `zip`
[INFO] [stdout]   --> src/parse.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     zip: ZipArchiveWrapper<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling epubparse v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `get_filenames`
[INFO] [stdout]   --> src/parse.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn get_filenames(&self) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_title`
[INFO] [stdout]    --> src/parse.rs:179:12
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn get_title(&self) -> &str {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/../../test_resources/paid_off.epub: No such file or directory (os error 2)
[INFO] [stdout]    --> src/parse.rs:490:35
[INFO] [stdout]     |
[INFO] [stdout] 490 |     static EPUB_PAID_OFF: &[u8] = include_bytes!("../../test_resources/paid_off.epub");
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/../../test_resources/shakespeares.epub: No such file or directory (os error 2)
[INFO] [stdout]    --> src/parse.rs:491:39
[INFO] [stdout]     |
[INFO] [stdout] 491 |     static EPUB_SHAKESPEARES: &[u8] = include_bytes!("../../test_resources/shakespeares.epub");
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/../../test_resources/simple.epub: No such file or directory (os error 2)
[INFO] [stdout]    --> src/parse.rs:492:33
[INFO] [stdout]     |
[INFO] [stdout] 492 |     static EPUB_SIMPLE: &[u8] = include_bytes!("../../test_resources/simple.epub");
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/../../test_resources/nested.epub: No such file or directory (os error 2)
[INFO] [stdout]    --> src/parse.rs:493:33
[INFO] [stdout]     |
[INFO] [stdout] 493 |     static EPUB_NESTED: &[u8] = include_bytes!("../../test_resources/nested.epub");
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/../../test_resources/pride_prejudice_chapter.html: No such file or directory (os error 2)
[INFO] [stdout]   --> src/util.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |         include_str!("../../test_resources/pride_prejudice_chapter.html");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/../../test_resources/simple_chapter.html: No such file or directory (os error 2)
[INFO] [stdout]   --> src/util.rs:84:40
[INFO] [stdout]    |
[INFO] [stdout] 84 |     static SIMPLE_CHAPTER_HTML: &str = include_str!("../../test_resources/simple_chapter.html");
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/../../test_resources/paid_off.epub: No such file or directory (os error 2)
[INFO] [stdout]   --> src/lib.rs:34:35
[INFO] [stdout]    |
[INFO] [stdout] 34 |     static EPUB_PAID_OFF: &[u8] = include_bytes!("../../test_resources/paid_off.epub");
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `epubparse` due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "384dcbcc2d7704bdccc25e13927d95f60fd949c2b8230e81f4a45ad556af2d1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "384dcbcc2d7704bdccc25e13927d95f60fd949c2b8230e81f4a45ad556af2d1e", kill_on_drop: false }`
[INFO] [stdout] 384dcbcc2d7704bdccc25e13927d95f60fd949c2b8230e81f4a45ad556af2d1e