[INFO] cloning repository https://github.com/Michael-F-Bryan/mdbook-epub [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Michael-F-Bryan/mdbook-epub" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichael-F-Bryan%2Fmdbook-epub", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichael-F-Bryan%2Fmdbook-epub'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cb441315f259df9938e24e1297c7fe48d039654f [INFO] checking Michael-F-Bryan/mdbook-epub against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichael-F-Bryan%2Fmdbook-epub" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Michael-F-Bryan/mdbook-epub on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Michael-F-Bryan/mdbook-epub [INFO] finished tweaking git repo https://github.com/Michael-F-Bryan/mdbook-epub [INFO] tweaked toml for git repo https://github.com/Michael-F-Bryan/mdbook-epub written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Michael-F-Bryan/mdbook-epub 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded uuid v1.8.0 [INFO] [stderr] Downloaded pulldown-cmark-escape v0.10.0 [INFO] [stderr] Downloaded topological-sort v0.2.2 [INFO] [stderr] Downloaded serial_test_derive v2.0.0 [INFO] [stderr] Downloaded serial_test v2.0.0 [INFO] [stderr] Downloaded opener v0.6.1 [INFO] [stderr] Downloaded pulldown-cmark v0.10.0 [INFO] [stderr] Downloaded normpath v1.1.1 [INFO] [stderr] Downloaded utf8-width v0.1.6 [INFO] [stderr] Downloaded upon v0.7.1 [INFO] [stderr] Downloaded mdbook v0.4.37 [INFO] [stderr] Downloaded epub-builder v0.7.4 [INFO] [stderr] Downloaded html_parser v0.7.0 [INFO] [stderr] Downloaded epub v2.1.1 [INFO] [stderr] Downloaded bstr v1.5.0 [INFO] [stderr] Downloaded html-escape v0.2.13 [INFO] [stderr] Downloaded time v0.3.26 [INFO] [stderr] Downloaded handlebars v4.3.7 [INFO] [stderr] Downloaded clap_builder v4.3.12 [INFO] [stderr] Downloaded clap v4.3.12 [INFO] [stderr] Downloaded clap_complete v4.3.2 [INFO] [stderr] Downloaded env_filter v0.1.0 [INFO] [stderr] Downloaded env_logger v0.11.1 [INFO] [stderr] Downloaded handlebars v5.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7ff71fceef423b2977437a3c85e1fff721b0d9e0e1957a0df7987fb1ccaf578a [INFO] running `Command { std: "docker" "start" "-a" "7ff71fceef423b2977437a3c85e1fff721b0d9e0e1957a0df7987fb1ccaf578a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7ff71fceef423b2977437a3c85e1fff721b0d9e0e1957a0df7987fb1ccaf578a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ff71fceef423b2977437a3c85e1fff721b0d9e0e1957a0df7987fb1ccaf578a", kill_on_drop: false }` [INFO] [stdout] 7ff71fceef423b2977437a3c85e1fff721b0d9e0e1957a0df7987fb1ccaf578a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 11305e44effe0058d69fe8c7b9dc39f84ade6fa63d6993602a41157fc2b18434 [INFO] running `Command { std: "docker" "start" "-a" "11305e44effe0058d69fe8c7b9dc39f84ade6fa63d6993602a41157fc2b18434", kill_on_drop: false }` [INFO] [stderr] Compiling thiserror v1.0.49 [INFO] [stderr] Checking once_cell v1.17.1 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling serde v1.0.163 [INFO] [stderr] Compiling rustix v0.37.19 [INFO] [stderr] Checking linux-raw-sys v0.3.8 [INFO] [stderr] Checking regex-syntax v0.7.2 [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Checking anstyle-parse v0.2.0 [INFO] [stderr] Checking anstyle v1.0.6 [INFO] [stderr] Compiling cc v1.0.90 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Compiling serde_json v1.0.96 [INFO] [stderr] Compiling rustix v0.38.31 [INFO] [stderr] Checking ucd-trie v0.1.5 [INFO] [stderr] Checking flate2 v1.0.26 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Checking time-core v0.1.1 [INFO] [stderr] Checking deranged v0.3.9 [INFO] [stderr] Compiling rustls v0.22.2 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling pulldown-cmark v0.10.0 [INFO] [stderr] Compiling unicode-segmentation v1.10.1 [INFO] [stderr] Compiling eyre v0.6.8 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Compiling quote v1.0.31 [INFO] [stderr] Checking iana-time-zone v0.1.56 [INFO] [stderr] Checking bstr v1.5.0 [INFO] [stderr] Checking anstream v0.6.11 [INFO] [stderr] Checking form_urlencoded v1.1.0 [INFO] [stderr] Checking chrono v0.4.24 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking pulldown-cmark-escape v0.10.0 [INFO] [stderr] Checking zeroize v1.7.0 [INFO] [stderr] Compiling syn v2.0.26 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking unicode-ident v1.0.9 [INFO] [stderr] Checking utf8-width v0.1.6 [INFO] [stderr] Compiling pulldown-cmark v0.9.3 [INFO] [stderr] Compiling semver v1.0.18 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking indenter v0.3.3 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking html-escape v0.2.13 [INFO] [stderr] Compiling const_format_proc_macros v0.2.31 [INFO] [stderr] Checking opener v0.6.1 [INFO] [stderr] Checking time v0.3.26 [INFO] [stderr] Checking parking_lot_core v0.9.8 [INFO] [stderr] Checking url v2.3.1 [INFO] [stderr] Checking webpki-roots v0.26.1 [INFO] [stderr] Checking uuid v1.8.0 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking topological-sort v0.2.2 [INFO] [stderr] Checking termcolor v1.2.0 [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Checking zip v0.6.6 [INFO] [stderr] Checking shlex v1.3.0 [INFO] [stderr] Checking mime_guess v2.0.4 [INFO] [stderr] Compiling ring v0.17.8 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking is-terminal v0.4.7 [INFO] [stderr] Checking terminal_size v0.2.6 [INFO] [stderr] Checking anstream v0.3.2 [INFO] [stderr] Checking urlencoding v2.1.3 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Checking regex v1.8.4 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking fragile v2.0.0 [INFO] [stderr] Checking downcast v0.11.0 [INFO] [stderr] Checking const_format v0.2.31 [INFO] [stderr] Checking clap_builder v4.3.12 [INFO] [stderr] Checking xml-rs v0.8.14 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Checking dashmap v5.4.0 [INFO] [stderr] Checking env_filter v0.1.0 [INFO] [stderr] Checking env_logger v0.10.0 [INFO] [stderr] Checking env_logger v0.11.1 [INFO] [stderr] Checking predicates v2.1.5 [INFO] [stderr] Compiling thiserror-impl v1.0.49 [INFO] [stderr] Compiling serde_derive v1.0.163 [INFO] [stderr] Compiling serial_test_derive v2.0.0 [INFO] [stderr] Checking futures-executor v0.3.28 [INFO] [stderr] Checking futures v0.3.28 [INFO] [stderr] Checking clap v4.3.12 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking clap_complete v4.3.2 [INFO] [stderr] Checking serial_test v2.0.0 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling mockall_derive v0.11.4 [INFO] [stderr] Compiling pest v2.6.0 [INFO] [stderr] Checking epub v2.1.1 [INFO] [stderr] Checking rustls-webpki v0.102.2 [INFO] [stderr] Compiling pest_meta v2.6.0 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Compiling pest_generator v2.6.0 [INFO] [stderr] Compiling pest_derive v2.6.0 [INFO] [stderr] Checking mockall v0.11.4 [INFO] [stderr] Checking ureq v2.9.6 [INFO] [stderr] Checking upon v0.7.1 [INFO] [stderr] Checking toml v0.5.11 [INFO] [stderr] Checking handlebars v5.1.0 [INFO] [stderr] Checking handlebars v4.3.7 [INFO] [stderr] Checking html_parser v0.7.0 [INFO] [stderr] Checking epub-builder v0.7.4 [INFO] [stderr] Checking mdbook v0.4.37 [INFO] [stderr] Checking mdbook-epub v0.4.37 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `mdbook` is imported redundantly [INFO] [stdout] --> src/lib.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use ::mdbook; [INFO] [stdout] | ^^^^^^^^ the item `mdbook` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `semver` is imported redundantly [INFO] [stdout] --> src/lib.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use ::semver; [INFO] [stdout] | ^^^^^^^^ the item `semver` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `mdbook` is imported redundantly [INFO] [stdout] --> src/lib.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use ::mdbook; [INFO] [stdout] | ^^^^^^^^ the item `mdbook` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `semver` is imported redundantly [INFO] [stdout] --> src/lib.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use ::semver; [INFO] [stdout] | ^^^^^^^^ the item `semver` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Path` is imported redundantly [INFO] [stdout] --> src/generator.rs:578:9 [INFO] [stdout] | [INFO] [stdout] 578 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 582 | use super::*; [INFO] [stdout] | -------- the item `Path` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `encode` is imported redundantly [INFO] [stdout] --> src/generator.rs:580:9 [INFO] [stdout] | [INFO] [stdout] 580 | use urlencoding::encode; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 581 | [INFO] [stdout] 582 | use super::*; [INFO] [stdout] | -------- the item `encode` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `AssetKind` is imported redundantly [INFO] [stdout] --> src/generator.rs:583:9 [INFO] [stdout] | [INFO] [stdout] 582 | use super::*; [INFO] [stdout] | -------- the item `AssetKind` is already imported here [INFO] [stdout] 583 | use crate::resources::asset::AssetKind; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `epub` is imported redundantly [INFO] [stdout] --> tests/integration_tests.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use ::epub; [INFO] [stdout] | ^^^^^^ the item `epub` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `mdbook` is imported redundantly [INFO] [stdout] --> tests/integration_tests.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use ::mdbook; [INFO] [stdout] | ^^^^^^^^ the item `mdbook` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `mdbook_epub` is imported redundantly [INFO] [stdout] --> tests/integration_tests.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use ::mdbook_epub; [INFO] [stdout] | ^^^^^^^^^^^^^ the item `mdbook_epub` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `env_logger` is imported redundantly [INFO] [stdout] --> src/bin/mdbook-epub.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use ::env_logger; [INFO] [stdout] | ^^^^^^^^^^^^ the item `env_logger` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `mdbook` is imported redundantly [INFO] [stdout] --> src/bin/mdbook-epub.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use ::mdbook; [INFO] [stdout] | ^^^^^^^^ the item `mdbook` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/bin/mdbook-epub.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use ::serde_json; [INFO] [stdout] | ^^^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `structopt` is imported redundantly [INFO] [stdout] --> src/bin/mdbook-epub.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use ::structopt; [INFO] [stdout] | ^^^^^^^^^^^ the item `structopt` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `mdbook_epub` is imported redundantly [INFO] [stdout] --> src/bin/mdbook-epub.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use ::mdbook_epub; [INFO] [stdout] | ^^^^^^^^^^^^^ the item `mdbook_epub` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `env_logger` is imported redundantly [INFO] [stdout] --> src/bin/mdbook-epub.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use ::env_logger; [INFO] [stdout] | ^^^^^^^^^^^^ the item `env_logger` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `mdbook` is imported redundantly [INFO] [stdout] --> src/bin/mdbook-epub.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use ::mdbook; [INFO] [stdout] | ^^^^^^^^ the item `mdbook` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/bin/mdbook-epub.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use ::serde_json; [INFO] [stdout] | ^^^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `structopt` is imported redundantly [INFO] [stdout] --> src/bin/mdbook-epub.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use ::structopt; [INFO] [stdout] | ^^^^^^^^^^^ the item `structopt` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `mdbook_epub` is imported redundantly [INFO] [stdout] --> src/bin/mdbook-epub.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use ::mdbook_epub; [INFO] [stdout] | ^^^^^^^^^^^^^ the item `mdbook_epub` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.63s [INFO] running `Command { std: "docker" "inspect" "11305e44effe0058d69fe8c7b9dc39f84ade6fa63d6993602a41157fc2b18434", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11305e44effe0058d69fe8c7b9dc39f84ade6fa63d6993602a41157fc2b18434", kill_on_drop: false }` [INFO] [stdout] 11305e44effe0058d69fe8c7b9dc39f84ade6fa63d6993602a41157fc2b18434