[INFO] fetching crate cli-epub-to-text 0.1.19...
[INFO] checking cli-epub-to-text-0.1.19 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate cli-epub-to-text 0.1.19 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate cli-epub-to-text 0.1.19
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cli-epub-to-text 0.1.19
[INFO] tweaked toml for crates.io crate cli-epub-to-text 0.1.19 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cli-epub-to-text 0.1.19 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cli-epub-to-text 0.1.19 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e06725585c4eeba3841ad0f9bb51eebebb925b83f95e9cbccd133d1c7b5024f
[INFO] running `Command { std: "docker" "start" "-a" "1e06725585c4eeba3841ad0f9bb51eebebb925b83f95e9cbccd133d1c7b5024f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e06725585c4eeba3841ad0f9bb51eebebb925b83f95e9cbccd133d1c7b5024f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e06725585c4eeba3841ad0f9bb51eebebb925b83f95e9cbccd133d1c7b5024f", kill_on_drop: false }`
[INFO] [stdout] 1e06725585c4eeba3841ad0f9bb51eebebb925b83f95e9cbccd133d1c7b5024f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3644aa7f79e5f7fbc39bd9429f79ce3a872f1a8a2c04e9469e0287e0b07fd37
[INFO] running `Command { std: "docker" "start" "-a" "e3644aa7f79e5f7fbc39bd9429f79ce3a872f1a8a2c04e9469e0287e0b07fd37", kill_on_drop: false }`
[INFO] [stderr]    Compiling find-msvc-tools v0.1.2
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling serde_core v1.0.227
[INFO] [stderr]    Compiling serde v1.0.227
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]     Checking indexmap v2.11.4
[INFO] [stderr]     Checking regex-syntax v0.8.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling cc v1.2.39
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]     Checking zopfli v0.8.2
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]     Checking xml-rs v0.8.27
[INFO] [stderr]     Checking phf v0.11.3
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]     Checking time-core v0.1.6
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking hygg-shared v0.1.19
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking libbz2-rs-sys v0.2.2
[INFO] [stderr]     Checking deranged v0.5.4
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking deflate64 v0.1.9
[INFO] [stderr]     Checking zip v3.0.0
[INFO] [stderr]     Checking pbkdf2 v0.12.2
[INFO] [stderr]     Checking ppmd-rust v1.2.1
[INFO] [stderr]     Checking constant_time_eq v0.3.1
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking bzip2 v0.6.0
[INFO] [stderr]    Compiling web_atoms v0.1.3
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling liblzma-sys v0.4.4
[INFO] [stderr]     Checking tempfile v3.23.0
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]     Checking regex-automata v0.4.11
[INFO] [stderr]     Checking liblzma v0.4.4
[INFO] [stderr]     Checking string_cache v0.8.9
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling match_token v0.35.0
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]     Checking markup5ever v0.35.0
[INFO] [stderr]     Checking regex v1.11.3
[INFO] [stderr]     Checking html5ever v0.35.0
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking epub v2.1.4
[INFO] [stderr]     Checking html2text v0.15.5
[INFO] [stderr]     Checking cli-epub-to-text v0.1.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking zstd v0.13.3
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, !>, String>
[INFO] [stdout]  --> src/main.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let file_path = std::env::args().nth(1).ok_or_else(|| {
[INFO] [stdout]   |  ___________________^
[INFO] [stdout] 3 | |     eprintln!(
[INFO] [stdout] 4 | |       "Usage: {} <epub_file>",
[INFO] [stdout] 5 | |       std::env::args().next().unwrap_or_else(|| "cli-epub-to-text".to_string())
[INFO] [stdout] 6 | |     );
[INFO] [stdout] 7 | |     std::process::exit(1);
[INFO] [stdout] 8 | |   })?;
[INFO] [stdout]   | |_____^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, !>
[INFO] [stdout]  --> src/main.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let file_path = std::env::args().nth(1).ok_or_else(|| {
[INFO] [stdout]   |  ___________________^
[INFO] [stdout] 3 | |     eprintln!(
[INFO] [stdout] 4 | |       "Usage: {} <epub_file>",
[INFO] [stdout] 5 | |       std::env::args().next().unwrap_or_else(|| "cli-epub-to-text".to_string())
[INFO] [stdout] 6 | |     );
[INFO] [stdout] 7 | |     std::process::exit(1);
[INFO] [stdout] 8 | |   })?;
[INFO] [stdout]   | |____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cli-epub-to-text` (bin "cli-epub-to-text") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e3644aa7f79e5f7fbc39bd9429f79ce3a872f1a8a2c04e9469e0287e0b07fd37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3644aa7f79e5f7fbc39bd9429f79ce3a872f1a8a2c04e9469e0287e0b07fd37", kill_on_drop: false }`
[INFO] [stdout] e3644aa7f79e5f7fbc39bd9429f79ce3a872f1a8a2c04e9469e0287e0b07fd37