[INFO] cloning repository https://github.com/Kimundi/do_syntax
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kimundi/do_syntax" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKimundi%2Fdo_syntax", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKimundi%2Fdo_syntax'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c0308322cd8c6bef268bfe8e615fcf80c12e148
[INFO] documenting Kimundi/do_syntax against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKimundi%2Fdo_syntax" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kimundi/do_syntax on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kimundi/do_syntax
[INFO] finished tweaking git repo https://github.com/Kimundi/do_syntax
[INFO] tweaked toml for git repo https://github.com/Kimundi/do_syntax written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Kimundi/do_syntax already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4073837db0aac47d72b9f59907d90d295d1e320217e3e4b45571788bf267354a
[INFO] running `Command { std: "docker" "start" "-a" "4073837db0aac47d72b9f59907d90d295d1e320217e3e4b45571788bf267354a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4073837db0aac47d72b9f59907d90d295d1e320217e3e4b45571788bf267354a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4073837db0aac47d72b9f59907d90d295d1e320217e3e4b45571788bf267354a", kill_on_drop: false }`
[INFO] [stdout] 4073837db0aac47d72b9f59907d90d295d1e320217e3e4b45571788bf267354a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa237c34ae1122226ae4fe2d81bf931a2f6c9b41ee8caa2a8208265f134904e7
[INFO] running `Command { std: "docker" "start" "-a" "fa237c34ae1122226ae4fe2d81bf931a2f6c9b41ee8caa2a8208265f134904e7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]  Documenting do_macro v0.1.0 (/opt/rustwide/workdir/do_macro)
[INFO] [stderr]    Compiling do_macro v0.1.0 (/opt/rustwide/workdir/do_macro)
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> do_macro/src/do_block.rs:296:21
[INFO] [stdout]     |
[INFO] [stdout] 296 |                 let v = value_or_unit(i.expr.as_deref());
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]    --> do_macro/src/do_block.rs:301:37
[INFO] [stdout]     |
[INFO] [stdout] 301 |                 let i = if let Some(label) = &i.label {
[INFO] [stdout]     |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]    --> do_macro/src/do_block.rs:313:37
[INFO] [stdout]     |
[INFO] [stdout] 313 |                 let i = if let Some(label) = &i.label {
[INFO] [stdout]     |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `func`
[INFO] [stdout]   --> do_macro/src/do_block.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     func: syn::ExprCall,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `DoMacro` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> do_macro/src/do_block.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bare_continue`
[INFO] [stdout]    --> do_macro/src/do_block.rs:154:5
[INFO] [stdout]     |
[INFO] [stdout] 154 |     bare_continue: Option<DispatchTargets>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting do_usage v0.1.0 (/opt/rustwide/workdir/do_usage)
[INFO] [stdout] /*
[INFO] [stdout] */
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.17s
[INFO] running `Command { std: "docker" "inspect" "fa237c34ae1122226ae4fe2d81bf931a2f6c9b41ee8caa2a8208265f134904e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa237c34ae1122226ae4fe2d81bf931a2f6c9b41ee8caa2a8208265f134904e7", kill_on_drop: false }`
[INFO] [stdout] fa237c34ae1122226ae4fe2d81bf931a2f6c9b41ee8caa2a8208265f134904e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] eb2537185cc43f28cf2e8e75b01b2809eaac2c8157e237956c4800c44e6a180d
[INFO] running `Command { std: "docker" "start" "-a" "eb2537185cc43f28cf2e8e75b01b2809eaac2c8157e237956c4800c44e6a180d", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "eb2537185cc43f28cf2e8e75b01b2809eaac2c8157e237956c4800c44e6a180d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb2537185cc43f28cf2e8e75b01b2809eaac2c8157e237956c4800c44e6a180d", kill_on_drop: false }`
[INFO] [stdout] eb2537185cc43f28cf2e8e75b01b2809eaac2c8157e237956c4800c44e6a180d