[INFO] cloning repository https://github.com/bihellzin/epub-to-mp3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bihellzin/epub-to-mp3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbihellzin%2Fepub-to-mp3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbihellzin%2Fepub-to-mp3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a65f4282db1801b50a9c498fb9696ad3e6d91f2
[INFO] testing bihellzin/epub-to-mp3 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbihellzin%2Fepub-to-mp3" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bihellzin/epub-to-mp3
[INFO] finished tweaking git repo https://github.com/bihellzin/epub-to-mp3
[INFO] tweaked toml for git repo https://github.com/bihellzin/epub-to-mp3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bihellzin/epub-to-mp3 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bihellzin/epub-to-mp3 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dyn-clone v1.0.11
[INFO] [stderr]   Downloaded speech-dispatcher-sys v0.7.0
[INFO] [stderr]   Downloaded fax_derive v0.1.0
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[INFO] [stderr]   Downloaded globalcache v0.2.0
[INFO] [stderr]   Downloaded istring v0.3.3
[INFO] [stderr]   Downloaded inflate v0.4.5
[INFO] [stderr]   Downloaded datasize v0.2.14
[INFO] [stderr]   Downloaded cpufeatures v0.2.8
[INFO] [stderr]   Downloaded deflate v1.0.0
[INFO] [stderr]   Downloaded prettyplease v0.2.9
[INFO] [stderr]   Downloaded tts v0.25.5
[INFO] [stderr]   Downloaded bindgen v0.66.1
[INFO] [stderr]   Downloaded pdf v0.8.1
[INFO] [stderr]   Downloaded fax v0.2.0
[INFO] [stderr]   Downloaded bitflags v2.3.2
[INFO] [stderr]   Downloaded oxilangtag v0.1.3
[INFO] [stderr]   Downloaded which v4.4.0
[INFO] [stderr]   Downloaded speech-dispatcher v0.16.0
[INFO] [stderr]   Downloaded pdf_derive v0.1.22
[INFO] [stderr]   Downloaded epub v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19d93c3351f4d16f3b84ecb112dc2622e989b6d54fde8397d7b6932db8518b65
[INFO] running `Command { std: "docker" "start" "-a" "19d93c3351f4d16f3b84ecb112dc2622e989b6d54fde8397d7b6932db8518b65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19d93c3351f4d16f3b84ecb112dc2622e989b6d54fde8397d7b6932db8518b65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19d93c3351f4d16f3b84ecb112dc2622e989b6d54fde8397d7b6932db8518b65", kill_on_drop: false }`
[INFO] [stdout] 19d93c3351f4d16f3b84ecb112dc2622e989b6d54fde8397d7b6932db8518b65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92e5e75fe8da023855fcfcfc124cb3108d019839547e200ffccfad660c9ec366
[INFO] running `Command { std: "docker" "start" "-a" "92e5e75fe8da023855fcfcfc124cb3108d019839547e200ffccfad660c9ec366", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling prettyplease v0.2.9
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling bindgen v0.66.1
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling regex-syntax v0.7.2
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling bitflags v2.3.2
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling block-padding v0.3.3
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling cpufeatures v0.2.8
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling tts v0.25.5
[INFO] [stderr]    Compiling dyn-clone v1.0.11
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling deflate v1.0.0
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling cbc v0.1.2
[INFO] [stderr]    Compiling aes v0.8.3
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling globalcache v0.2.0
[INFO] [stderr]    Compiling sha2 v0.10.7
[INFO] [stderr]    Compiling flate2 v1.0.26
[INFO] [stderr]    Compiling xml-rs v0.8.14
[INFO] [stderr]    Compiling weezl v0.1.7
[INFO] [stderr]    Compiling which v4.4.0
[INFO] [stderr]    Compiling oxilangtag v0.1.3
[INFO] [stderr]    Compiling jpeg-decoder v0.3.0
[INFO] [stderr]    Compiling zip v0.5.13
[INFO] [stderr]    Compiling regex v1.8.4
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling epub v2.0.0
[INFO] [stderr]    Compiling datasize_derive v0.2.14
[INFO] [stderr]    Compiling snafu-derive v0.7.4
[INFO] [stderr]    Compiling fax_derive v0.1.0
[INFO] [stderr]    Compiling dyn-clonable-impl v0.9.0
[INFO] [stderr]    Compiling pdf_derive v0.1.22
[INFO] [stderr]    Compiling dyn-clonable v0.9.0
[INFO] [stderr]    Compiling datasize v0.2.14
[INFO] [stderr]    Compiling fax v0.2.0
[INFO] [stderr]    Compiling istring v0.3.3
[INFO] [stderr]    Compiling snafu v0.7.4
[INFO] [stderr]    Compiling pdf v0.8.1
[INFO] [stderr]    Compiling speech-dispatcher-sys v0.7.0
[INFO] [stderr]    Compiling speech-dispatcher v0.16.0
[INFO] [stderr]    Compiling converter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut tts = Tts::default();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     tts.expect("").speak("hello world".to_string(), false);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let _ = tts.expect("").speak("hello world".to_string(), false);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.25s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: pdf v0.8.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "92e5e75fe8da023855fcfcfc124cb3108d019839547e200ffccfad660c9ec366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92e5e75fe8da023855fcfcfc124cb3108d019839547e200ffccfad660c9ec366", kill_on_drop: false }`
[INFO] [stdout] 92e5e75fe8da023855fcfcfc124cb3108d019839547e200ffccfad660c9ec366
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d766f85d5b926cafe06ef58814827b1e1b6be4cb405348402dbb8230fcb5a475
[INFO] running `Command { std: "docker" "start" "-a" "d766f85d5b926cafe06ef58814827b1e1b6be4cb405348402dbb8230fcb5a475", kill_on_drop: false }`
[INFO] [stderr]    Compiling converter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut tts = Tts::default();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     tts.expect("").speak("hello world".to_string(), false);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let _ = tts.expect("").speak("hello world".to_string(), false);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: pdf v0.8.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "d766f85d5b926cafe06ef58814827b1e1b6be4cb405348402dbb8230fcb5a475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d766f85d5b926cafe06ef58814827b1e1b6be4cb405348402dbb8230fcb5a475", kill_on_drop: false }`
[INFO] [stdout] d766f85d5b926cafe06ef58814827b1e1b6be4cb405348402dbb8230fcb5a475
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 83aab9eb0dcbfe3ff85f850e344051b44387fa43914adf117d361a94f6747d87
[INFO] running `Command { std: "docker" "start" "-a" "83aab9eb0dcbfe3ff85f850e344051b44387fa43914adf117d361a94f6747d87", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut tts = Tts::default();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     tts.expect("").speak("hello world".to_string(), false);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let _ = tts.expect("").speak("hello world".to_string(), false);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `converter` (bin "converter" test) generated 2 warnings (run `cargo fix --bin "converter" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: pdf v0.8.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/converter-8aec229d9fbf1319)
[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] running `Command { std: "docker" "inspect" "83aab9eb0dcbfe3ff85f850e344051b44387fa43914adf117d361a94f6747d87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83aab9eb0dcbfe3ff85f850e344051b44387fa43914adf117d361a94f6747d87", kill_on_drop: false }`
[INFO] [stdout] 83aab9eb0dcbfe3ff85f850e344051b44387fa43914adf117d361a94f6747d87