[INFO] fetching crate mdbook-boilerplate 0.1.0...
[INFO] testing mdbook-boilerplate-0.1.0 against 1.76.0 for beta-1.77-1
[INFO] extracting crate mdbook-boilerplate 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate mdbook-boilerplate 0.1.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdbook-boilerplate 0.1.0
[INFO] finished tweaking crates.io crate mdbook-boilerplate 0.1.0
[INFO] tweaked toml for crates.io crate mdbook-boilerplate 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded topological-sort v0.2.2
[INFO] [stderr]   Downloaded pulldown-cmark-escape v0.10.0
[INFO] [stderr]   Downloaded env_filter v0.1.0
[INFO] [stderr]   Downloaded opener v0.6.1
[INFO] [stderr]   Downloaded env_logger v0.11.1
[INFO] [stderr]   Downloaded clap_complete v4.5.0
[INFO] [stderr]   Downloaded pulldown-cmark v0.10.0
[INFO] [stderr]   Downloaded color-spantrace v0.2.1
[INFO] [stderr]   Downloaded handlebars v5.1.0
[INFO] [stderr]   Downloaded mdbook v0.4.37
[INFO] [stderr]   Downloaded color-eyre v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cb6dad4a5793d37120cf47fae83f1ae1a973e0997e568e310cf7b3f0203d16f
[INFO] running `Command { std: "docker" "start" "-a" "7cb6dad4a5793d37120cf47fae83f1ae1a973e0997e568e310cf7b3f0203d16f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cb6dad4a5793d37120cf47fae83f1ae1a973e0997e568e310cf7b3f0203d16f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cb6dad4a5793d37120cf47fae83f1ae1a973e0997e568e310cf7b3f0203d16f", kill_on_drop: false }`
[INFO] [stdout] 7cb6dad4a5793d37120cf47fae83f1ae1a973e0997e568e310cf7b3f0203d16f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e09ddebdcac90f7824781b6a77eaf70c88bc95dd9c07bf7ab732f93f93af31ce
[INFO] running `Command { std: "docker" "start" "-a" "e09ddebdcac90f7824781b6a77eaf70c88bc95dd9c07bf7ab732f93f93af31ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling anstyle-query v1.0.2
[INFO] [stderr]    Compiling anstyle v1.0.6
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.3
[INFO] [stderr]    Compiling strsim v0.11.0
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling clap_derive v4.5.0
[INFO] [stderr]    Compiling pulldown-cmark v0.10.0
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling anstream v0.6.11
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling fs-err v2.11.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling pulldown-cmark-escape v0.10.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.60
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]    Compiling topological-sort v0.2.2
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling chrono v0.4.34
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling pest v2.7.7
[INFO] [stderr]    Compiling tracing-error v0.2.0
[INFO] [stderr]    Compiling color-spantrace v0.2.1
[INFO] [stderr]    Compiling terminal_size v0.3.0
[INFO] [stderr]    Compiling tempfile v3.10.0
[INFO] [stderr]    Compiling clap_builder v4.5.0
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling bstr v1.9.0
[INFO] [stderr]    Compiling env_filter v0.1.0
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stderr]    Compiling pest_meta v2.7.7
[INFO] [stderr]    Compiling env_logger v0.11.1
[INFO] [stderr]    Compiling opener v0.6.1
[INFO] [stderr]    Compiling pest_generator v2.7.7
[INFO] [stderr]    Compiling color-eyre v0.6.2
[INFO] [stderr]    Compiling clap v4.5.0
[INFO] [stderr]    Compiling clap_complete v4.5.0
[INFO] [stderr]    Compiling pest_derive v2.7.7
[INFO] [stderr]    Compiling handlebars v5.1.0
[INFO] [stderr]    Compiling mdbook v0.4.37
[INFO] [stderr]    Compiling mdbook-boilerplate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.64s
[INFO] running `Command { std: "docker" "inspect" "e09ddebdcac90f7824781b6a77eaf70c88bc95dd9c07bf7ab732f93f93af31ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e09ddebdcac90f7824781b6a77eaf70c88bc95dd9c07bf7ab732f93f93af31ce", kill_on_drop: false }`
[INFO] [stdout] e09ddebdcac90f7824781b6a77eaf70c88bc95dd9c07bf7ab732f93f93af31ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e69779d6426f5a487067f4308d954f1907547c55ad5ec236d23968670466106
[INFO] running `Command { std: "docker" "start" "-a" "1e69779d6426f5a487067f4308d954f1907547c55ad5ec236d23968670466106", kill_on_drop: false }`
[INFO] [stderr]    Compiling mdbook-boilerplate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `assert_matches`
[INFO] [stdout]    --> src/lib.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |     use assert_matches::assert_matches;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: a similar path exists: `std::assert_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_matches`
[INFO] [stdout]    --> src/lib.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |         assert_matches!(Args::try_parse_from(vec!["mdbook-foo", "supports"]), Err(_));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_matches`
[INFO] [stdout]    --> src/lib.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         assert_matches!(Args::try_parse_from(vec!["mdbook-foo", "supports", "tectonic"]).unwrap(),
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_matches`
[INFO] [stdout]    --> src/lib.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |         assert_matches!(Args::try_parse_from(vec!["mdbook-foo"]).unwrap(),
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/lib.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mdbook-boilerplate` (lib test) due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "1e69779d6426f5a487067f4308d954f1907547c55ad5ec236d23968670466106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e69779d6426f5a487067f4308d954f1907547c55ad5ec236d23968670466106", kill_on_drop: false }`
[INFO] [stdout] 1e69779d6426f5a487067f4308d954f1907547c55ad5ec236d23968670466106
[INFO] testing mdbook-boilerplate-0.1.0 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate mdbook-boilerplate 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate mdbook-boilerplate 0.1.0 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdbook-boilerplate 0.1.0
[INFO] finished tweaking crates.io crate mdbook-boilerplate 0.1.0
[INFO] tweaked toml for crates.io crate mdbook-boilerplate 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fd924a89702b1028974017dba4b0b7ceb50c31ba82dbd507b3b5c9e0484187d
[INFO] running `Command { std: "docker" "start" "-a" "0fd924a89702b1028974017dba4b0b7ceb50c31ba82dbd507b3b5c9e0484187d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fd924a89702b1028974017dba4b0b7ceb50c31ba82dbd507b3b5c9e0484187d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fd924a89702b1028974017dba4b0b7ceb50c31ba82dbd507b3b5c9e0484187d", kill_on_drop: false }`
[INFO] [stdout] 0fd924a89702b1028974017dba4b0b7ceb50c31ba82dbd507b3b5c9e0484187d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38768d7e588ef9fdf050f1fbc19ae30e1ad5090548eed9fe7bd0821d248276f5
[INFO] running `Command { std: "docker" "start" "-a" "38768d7e588ef9fdf050f1fbc19ae30e1ad5090548eed9fe7bd0821d248276f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling anstyle-query v1.0.2
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling anstyle v1.0.6
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling strsim v0.11.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.3
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling clap_derive v4.5.0
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling pulldown-cmark v0.10.0
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling anstream v0.6.11
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling fs-err v2.11.0
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling pulldown-cmark-escape v0.10.0
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling iana-time-zone v0.1.60
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]    Compiling topological-sort v0.2.2
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling chrono v0.4.34
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling pest v2.7.7
[INFO] [stderr]    Compiling tracing-error v0.2.0
[INFO] [stderr]    Compiling color-spantrace v0.2.1
[INFO] [stderr]    Compiling terminal_size v0.3.0
[INFO] [stderr]    Compiling tempfile v3.10.0
[INFO] [stderr]    Compiling clap_builder v4.5.0
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling bstr v1.9.0
[INFO] [stderr]    Compiling pest_meta v2.7.7
[INFO] [stderr]    Compiling env_filter v0.1.0
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stderr]    Compiling env_logger v0.11.1
[INFO] [stderr]    Compiling opener v0.6.1
[INFO] [stderr]    Compiling pest_generator v2.7.7
[INFO] [stderr]    Compiling color-eyre v0.6.2
[INFO] [stderr]    Compiling clap v4.5.0
[INFO] [stderr]    Compiling clap_complete v4.5.0
[INFO] [stderr]    Compiling pest_derive v2.7.7
[INFO] [stderr]    Compiling handlebars v5.1.0
[INFO] [stderr]    Compiling mdbook v0.4.37
[INFO] [stderr]    Compiling mdbook-boilerplate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.60s
[INFO] running `Command { std: "docker" "inspect" "38768d7e588ef9fdf050f1fbc19ae30e1ad5090548eed9fe7bd0821d248276f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38768d7e588ef9fdf050f1fbc19ae30e1ad5090548eed9fe7bd0821d248276f5", kill_on_drop: false }`
[INFO] [stdout] 38768d7e588ef9fdf050f1fbc19ae30e1ad5090548eed9fe7bd0821d248276f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abf578b7f31a6afc4a7bbd19b1816763d7542fc1813bcba10c03e9c0468a1205
[INFO] running `Command { std: "docker" "start" "-a" "abf578b7f31a6afc4a7bbd19b1816763d7542fc1813bcba10c03e9c0468a1205", kill_on_drop: false }`
[INFO] [stderr]    Compiling mdbook-boilerplate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `assert_matches`
[INFO] [stdout]    --> src/lib.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |     use assert_matches::assert_matches;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: a similar path exists: `std::assert_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/lib.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mdbook-boilerplate` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "abf578b7f31a6afc4a7bbd19b1816763d7542fc1813bcba10c03e9c0468a1205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abf578b7f31a6afc4a7bbd19b1816763d7542fc1813bcba10c03e9c0468a1205", kill_on_drop: false }`
[INFO] [stdout] abf578b7f31a6afc4a7bbd19b1816763d7542fc1813bcba10c03e9c0468a1205
