[INFO] cloning repository https://github.com/y00273676/txt2epub
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/y00273676/txt2epub" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fy00273676%2Ftxt2epub", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fy00273676%2Ftxt2epub'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa2989b7801c29bac6ec5175cc14c6664812334a
[INFO] checking y00273676/txt2epub against master#89a99936d9e76a50e8df622e7242190841fd871b for pr-156160
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fy00273676%2Ftxt2epub" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
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[INFO] started tweaking git repo https://github.com/y00273676/txt2epub
[INFO] finished tweaking git repo https://github.com/y00273676/txt2epub
[INFO] tweaked toml for git repo https://github.com/y00273676/txt2epub written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/y00273676/txt2epub on toolchain 89a99936d9e76a50e8df622e7242190841fd871b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+89a99936d9e76a50e8df622e7242190841fd871b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/y00273676/txt2epub 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" "+89a99936d9e76a50e8df622e7242190841fd871b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f56782972bc1a439932107aa8fa01e0184f8ecdcde62ddd98652d0a508239ef7
[INFO] running `Command { std: "docker" "start" "f56782972bc1a439932107aa8fa01e0184f8ecdcde62ddd98652d0a508239ef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f56782972bc1a439932107aa8fa01e0184f8ecdcde62ddd98652d0a508239ef7" "/opt/rustwide/cargo-home/bin/cargo" "+89a99936d9e76a50e8df622e7242190841fd871b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f56782972bc1a439932107aa8fa01e0184f8ecdcde62ddd98652d0a508239ef7", kill_on_drop: false }`
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[INFO] [stdout] warning: field `language` is never read
[INFO] [stdout]   --> src/epub/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct BookMetadata {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub language: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BookMetadata` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `generate_toc` and `preserve_blank_lines` are never read
[INFO] [stdout]   --> src/epub/mod.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct ConvertOptions {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 23 |     pub generate_toc: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 24 |     pub preserve_blank_lines: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConvertOptions` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `language` is never read
[INFO] [stdout]   --> src/epub/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct BookMetadata {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub language: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BookMetadata` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `generate_toc` and `preserve_blank_lines` are never read
[INFO] [stdout]   --> src/epub/mod.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct ConvertOptions {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 23 |     pub generate_toc: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 24 |     pub preserve_blank_lines: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConvertOptions` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 51s
[INFO] running `Command { std: "docker" "inspect" "f56782972bc1a439932107aa8fa01e0184f8ecdcde62ddd98652d0a508239ef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f56782972bc1a439932107aa8fa01e0184f8ecdcde62ddd98652d0a508239ef7", kill_on_drop: false }`
[INFO] [stdout] f56782972bc1a439932107aa8fa01e0184f8ecdcde62ddd98652d0a508239ef7
