[INFO] cloning repository https://github.com/Ottatop/ldoc_gen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ottatop/ldoc_gen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOttatop%2Fldoc_gen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOttatop%2Fldoc_gen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09e9e57ca3b00d2f9e920aeccb0e038eb1eed425
[INFO] checking Ottatop/ldoc_gen against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOttatop%2Fldoc_gen" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ottatop/ldoc_gen on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Ottatop/ldoc_gen
[INFO] finished tweaking git repo https://github.com/Ottatop/ldoc_gen
[INFO] tweaked toml for git repo https://github.com/Ottatop/ldoc_gen written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Ottatop/ldoc_gen 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pcre2 v0.2.4
[INFO] [stderr]   Downloaded id_tree v1.8.0
[INFO] [stderr]   Downloaded tree-sitter-lua v0.0.19
[INFO] [stderr]   Downloaded pcre2-sys v0.2.6
[INFO] [stderr]   Downloaded snowflake v1.3.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0e23b98e2748a1ae32c92ed73f404a2f281f2cd5bdf2a94e5fc584214f80b43
[INFO] running `Command { std: "docker" "start" "-a" "f0e23b98e2748a1ae32c92ed73f404a2f281f2cd5bdf2a94e5fc584214f80b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0e23b98e2748a1ae32c92ed73f404a2f281f2cd5bdf2a94e5fc584214f80b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0e23b98e2748a1ae32c92ed73f404a2f281f2cd5bdf2a94e5fc584214f80b43", kill_on_drop: false }`
[INFO] [stdout] f0e23b98e2748a1ae32c92ed73f404a2f281f2cd5bdf2a94e5fc584214f80b43
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 169fe57cd947fce07d359d682f6b3ae0f5d82aa70e5954249583face154af2d9
[INFO] running `Command { std: "docker" "start" "-a" "169fe57cd947fce07d359d682f6b3ae0f5d82aa70e5954249583face154af2d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking snowflake v1.3.0
[INFO] [stderr]     Checking aho-corasick v1.0.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking object v0.31.1
[INFO] [stderr]     Checking id_tree v1.8.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]    Compiling tree-sitter v0.20.10
[INFO] [stderr]    Compiling pcre2-sys v0.2.6
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]    Compiling tree-sitter-lua v0.0.19
[INFO] [stderr]     Checking clap_builder v4.3.23
[INFO] [stderr]     Checking pcre2 v0.2.4
[INFO] [stderr]     Checking addr2line v0.20.0
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]     Checking anyhow v1.0.75
[INFO] [stderr]     Checking clap v4.3.23
[INFO] [stderr]     Checking ldoc_gen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/attr.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Return {
[INFO] [stdout]    |     ------ field in this variant
[INFO] [stdout] 17 |         ty: String,
[INFO] [stdout] 18 |         name: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `desc` is never read
[INFO] [stdout]   --> src/attr.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     See {
[INFO] [stdout]    |     --- field in this variant
[INFO] [stdout] 26 |         link: String,
[INFO] [stdout] 27 |         desc: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `types` is never read
[INFO] [stdout]   --> src/attr.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Alias {
[INFO] [stdout]    |     ----- field in this variant
[INFO] [stdout] 30 |         types: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/attr.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Return {
[INFO] [stdout]    |     ------ field in this variant
[INFO] [stdout] 17 |         ty: String,
[INFO] [stdout] 18 |         name: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `desc` is never read
[INFO] [stdout]   --> src/attr.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     See {
[INFO] [stdout]    |     --- field in this variant
[INFO] [stdout] 26 |         link: String,
[INFO] [stdout] 27 |         desc: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `types` is never read
[INFO] [stdout]   --> src/attr.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Alias {
[INFO] [stdout]    |     ----- field in this variant
[INFO] [stdout] 30 |         types: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.35s
[INFO] running `Command { std: "docker" "inspect" "169fe57cd947fce07d359d682f6b3ae0f5d82aa70e5954249583face154af2d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "169fe57cd947fce07d359d682f6b3ae0f5d82aa70e5954249583face154af2d9", kill_on_drop: false }`
[INFO] [stdout] 169fe57cd947fce07d359d682f6b3ae0f5d82aa70e5954249583face154af2d9
[INFO] checking Ottatop/ldoc_gen against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOttatop%2Fldoc_gen" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ottatop/ldoc_gen on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Ottatop/ldoc_gen
[INFO] finished tweaking git repo https://github.com/Ottatop/ldoc_gen
[INFO] tweaked toml for git repo https://github.com/Ottatop/ldoc_gen written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Ottatop/ldoc_gen 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab07556b795b352269ded23f46617ccf3ca0675455ebff6e2d4fd299da65ffb2
[INFO] running `Command { std: "docker" "start" "-a" "ab07556b795b352269ded23f46617ccf3ca0675455ebff6e2d4fd299da65ffb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab07556b795b352269ded23f46617ccf3ca0675455ebff6e2d4fd299da65ffb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab07556b795b352269ded23f46617ccf3ca0675455ebff6e2d4fd299da65ffb2", kill_on_drop: false }`
[INFO] [stdout] ab07556b795b352269ded23f46617ccf3ca0675455ebff6e2d4fd299da65ffb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26fdcfec9c960a9057ced2b1b17338df1b64c97489fb919d2f46a8a5736db64f
[INFO] running `Command { std: "docker" "start" "-a" "26fdcfec9c960a9057ced2b1b17338df1b64c97489fb919d2f46a8a5736db64f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking snowflake v1.3.0
[INFO] [stderr]     Checking aho-corasick v1.0.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking object v0.31.1
[INFO] [stderr]     Checking id_tree v1.8.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]    Compiling pcre2-sys v0.2.6
[INFO] [stderr]    Compiling tree-sitter v0.20.10
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]    Compiling tree-sitter-lua v0.0.19
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking clap_builder v4.3.23
[INFO] [stderr]     Checking pcre2 v0.2.4
[INFO] [stderr]     Checking addr2line v0.20.0
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]     Checking anyhow v1.0.75
[INFO] [stderr]     Checking clap v4.3.23
[INFO] [stderr]     Checking ldoc_gen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/attr.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Return {
[INFO] [stdout]    |     ------ field in this variant
[INFO] [stdout] 17 |         ty: String,
[INFO] [stdout] 18 |         name: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `desc` is never read
[INFO] [stdout]   --> src/attr.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     See {
[INFO] [stdout]    |     --- field in this variant
[INFO] [stdout] 26 |         link: String,
[INFO] [stdout] 27 |         desc: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `types` is never read
[INFO] [stdout]   --> src/attr.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Alias {
[INFO] [stdout]    |     ----- field in this variant
[INFO] [stdout] 30 |         types: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/attr.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Return {
[INFO] [stdout]    |     ------ field in this variant
[INFO] [stdout] 17 |         ty: String,
[INFO] [stdout] 18 |         name: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `desc` is never read
[INFO] [stdout]   --> src/attr.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     See {
[INFO] [stdout]    |     --- field in this variant
[INFO] [stdout] 26 |         link: String,
[INFO] [stdout] 27 |         desc: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `types` is never read
[INFO] [stdout]   --> src/attr.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Alias {
[INFO] [stdout]    |     ----- field in this variant
[INFO] [stdout] 30 |         types: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.53s
[INFO] running `Command { std: "docker" "inspect" "26fdcfec9c960a9057ced2b1b17338df1b64c97489fb919d2f46a8a5736db64f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26fdcfec9c960a9057ced2b1b17338df1b64c97489fb919d2f46a8a5736db64f", kill_on_drop: false }`
[INFO] [stdout] 26fdcfec9c960a9057ced2b1b17338df1b64c97489fb919d2f46a8a5736db64f