[INFO] fetching crate mdbook-quiz-validate 0.4.0...
[INFO] testing mdbook-quiz-validate-0.4.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mdbook-quiz-validate 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate mdbook-quiz-validate 0.4.0
[INFO] finished tweaking crates.io crate mdbook-quiz-validate 0.4.0
[INFO] tweaked toml for crates.io crate mdbook-quiz-validate 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mdbook-quiz-validate 0.4.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mdbook-quiz-validate 0.4.0 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ca20f21284a012ff18d16bdca521366e06defc997ebfec1e189a87d0b80564f
[INFO] running `Command { std: "docker" "start" "-a" "9ca20f21284a012ff18d16bdca521366e06defc997ebfec1e189a87d0b80564f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ca20f21284a012ff18d16bdca521366e06defc997ebfec1e189a87d0b80564f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ca20f21284a012ff18d16bdca521366e06defc997ebfec1e189a87d0b80564f", kill_on_drop: false }`
[INFO] [stdout] 9ca20f21284a012ff18d16bdca521366e06defc997ebfec1e189a87d0b80564f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 419aec2b2cdcfaa2a4d92447ec2544b6e305e17bf7127c44efe4aa1375d31c53
[INFO] running `Command { std: "docker" "start" "-a" "419aec2b2cdcfaa2a4d92447ec2544b6e305e17bf7127c44efe4aa1375d31c53", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling smawk v0.3.2
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling unicode-linebreak v0.1.5
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling miniz_oxide v0.8.8
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling is_ci v1.2.0
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling zspell v0.3.3
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling textwrap v0.15.2
[INFO] [stderr]    Compiling unicode-id v0.3.5
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling sys-locale v0.2.4
[INFO] [stderr]    Compiling stringmetrics v2.2.2
[INFO] [stderr]    Compiling unicode-width v0.2.0
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling markdown v1.0.0
[INFO] [stderr]    Compiling fluid-let v1.0.0
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling supports-color v2.1.0
[INFO] [stderr]    Compiling supports-unicode v2.1.0
[INFO] [stderr]    Compiling supports-hyperlinks v2.1.0
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling tempfile v3.20.0
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling miette-derive v5.10.0
[INFO] [stderr]    Compiling visibility v0.0.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling backtrace v0.3.75
[INFO] [stderr]    Compiling backtrace-ext v0.2.1
[INFO] [stderr]    Compiling miette v5.10.0
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling mdbook-quiz-schema v0.4.0
[INFO] [stderr]    Compiling toml-spanned-value v0.1.0
[INFO] [stderr]    Compiling mdbook-quiz-validate v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `word` is never read
[INFO] [stdout]   --> src/impls/markdown.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 10 |   word: String,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `span` is never read
[INFO] [stdout]   --> src/impls/markdown.rs:13:3
[INFO] [stdout]    |
[INFO] [stdout] 13 |   span: SourceSpan,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cause` is never read
[INFO] [stdout]    --> src/lib.rs:152:3
[INFO] [stdout]     |
[INFO] [stdout] 152 |   cause: String,
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `span` is never read
[INFO] [stdout]    --> src/lib.rs:155:3
[INFO] [stdout]     |
[INFO] [stdout] 155 |   span: Option<SourceSpan>,
[INFO] [stdout]     |   ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.44s
[INFO] running `Command { std: "docker" "inspect" "419aec2b2cdcfaa2a4d92447ec2544b6e305e17bf7127c44efe4aa1375d31c53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "419aec2b2cdcfaa2a4d92447ec2544b6e305e17bf7127c44efe4aa1375d31c53", kill_on_drop: false }`
[INFO] [stdout] 419aec2b2cdcfaa2a4d92447ec2544b6e305e17bf7127c44efe4aa1375d31c53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 229dbd1153204990bcbccec9f1141c41a795ba9b460de19870570632b9ad284a
[INFO] running `Command { std: "docker" "start" "-a" "229dbd1153204990bcbccec9f1141c41a795ba9b460de19870570632b9ad284a", kill_on_drop: false }`
[INFO] [stdout] warning: value assigned to `word` is never read
[INFO] [stdout]   --> src/impls/markdown.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 10 |   word: String,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mdbook-quiz-validate v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `span` is never read
[INFO] [stdout]   --> src/impls/markdown.rs:13:3
[INFO] [stdout]    |
[INFO] [stdout] 13 |   span: SourceSpan,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cause` is never read
[INFO] [stdout]    --> src/lib.rs:152:3
[INFO] [stdout]     |
[INFO] [stdout] 152 |   cause: String,
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `span` is never read
[INFO] [stdout]    --> src/lib.rs:155:3
[INFO] [stdout]     |
[INFO] [stdout] 155 |   span: Option<SourceSpan>,
[INFO] [stdout]     |   ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `word` is never read
[INFO] [stdout]   --> src/impls/markdown.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 10 |   word: String,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `span` is never read
[INFO] [stdout]   --> src/impls/markdown.rs:13:3
[INFO] [stdout]    |
[INFO] [stdout] 13 |   span: SourceSpan,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cause` is never read
[INFO] [stdout]    --> src/lib.rs:152:3
[INFO] [stdout]     |
[INFO] [stdout] 152 |   cause: String,
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `span` is never read
[INFO] [stdout]    --> src/lib.rs:155:3
[INFO] [stdout]     |
[INFO] [stdout] 155 |   span: Option<SourceSpan>,
[INFO] [stdout]     |   ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `Command { std: "docker" "inspect" "229dbd1153204990bcbccec9f1141c41a795ba9b460de19870570632b9ad284a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "229dbd1153204990bcbccec9f1141c41a795ba9b460de19870570632b9ad284a", kill_on_drop: false }`
[INFO] [stdout] 229dbd1153204990bcbccec9f1141c41a795ba9b460de19870570632b9ad284a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2a4285e067d7f97abb4af1866fa15652e465130614180a6ce75a6a66186edb56
[INFO] running `Command { std: "docker" "start" "-a" "2a4285e067d7f97abb4af1866fa15652e465130614180a6ce75a6a66186edb56", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `word` is never read
[INFO] [stderr]   --> src/impls/markdown.rs:10:3
[INFO] [stderr]    |
[INFO] [stderr] 10 |   word: String,
[INFO] [stderr]    |   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `span` is never read
[INFO] [stderr]   --> src/impls/markdown.rs:13:3
[INFO] [stderr]    |
[INFO] [stderr] 13 |   span: SourceSpan,
[INFO] [stderr]    |   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `cause` is never read
[INFO] [stderr]    --> src/lib.rs:152:3
[INFO] [stderr]     |
[INFO] [stderr] 152 |   cause: String,
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `span` is never read
[INFO] [stderr]    --> src/lib.rs:155:3
[INFO] [stderr]     |
[INFO] [stderr] 155 |   span: Option<SourceSpan>,
[INFO] [stderr]     |   ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `mdbook-quiz-validate` (lib) generated 4 warnings
[INFO] [stderr] warning: `mdbook-quiz-validate` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mdbook_quiz_validate-032f4df6e5b15133)
[INFO] [stdout] running 12 tests
[INFO] [stdout] test test::validate_parse_error ... ok
[INFO] [stdout] test impls::tracing::validate_tracing_wrong_stdout ... ok
[INFO] [stdout] test impls::tracing::validate_tracing_compile_fail ... ok
[INFO] [stdout] test impls::tracing::validate_tracing_passes ... ok
[INFO] [stdout] test impls::multiple_choice::validate_mcq_passes ... ok
[INFO] [stdout] test impls::markdown::validate_markdown_passes ... ok
[INFO] [stdout] test test::validate_twice ... ok
[INFO] [stdout] test impls::validate_multipart_spelling ... ok
[INFO] [stdout] test impls::validate_multipart_key ... ok
[INFO] [stdout] test impls::markdown::validate_markdown_spellcheck ... ok
[INFO] [stdout] test impls::multiple_choice::validate_mcq_index_and_sort ... ok
[INFO] [stdout] test impls::validate_duplicate_ids ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.11s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mdbook_quiz_validate
[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" "2a4285e067d7f97abb4af1866fa15652e465130614180a6ce75a6a66186edb56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a4285e067d7f97abb4af1866fa15652e465130614180a6ce75a6a66186edb56", kill_on_drop: false }`
[INFO] [stdout] 2a4285e067d7f97abb4af1866fa15652e465130614180a6ce75a6a66186edb56
