[INFO] cloning repository https://github.com/rogurotus/callbacks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rogurotus/callbacks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogurotus%2Fcallbacks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogurotus%2Fcallbacks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0da4a9a5eb1f05a81b267039113a001c66b77f0f
[INFO] documenting rogurotus/callbacks against try#6ee483316d2e4581572121d60a955affb2032eb3+cargoflags=-Zrustdoc-scrape-examples for scrape-examples
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogurotus%2Fcallbacks" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rogurotus/callbacks on toolchain 6ee483316d2e4581572121d60a955affb2032eb3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rogurotus/callbacks
[INFO] finished tweaking git repo https://github.com/rogurotus/callbacks
[INFO] tweaked toml for git repo https://github.com/rogurotus/callbacks written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/rogurotus/callbacks already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e80311da25713d21b848f419625577e619cdb70657d46e12f6774517ad0976fc
[INFO] running `Command { std: "docker" "start" "-a" "e80311da25713d21b848f419625577e619cdb70657d46e12f6774517ad0976fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e80311da25713d21b848f419625577e619cdb70657d46e12f6774517ad0976fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e80311da25713d21b848f419625577e619cdb70657d46e12f6774517ad0976fc", kill_on_drop: false }`
[INFO] [stdout] e80311da25713d21b848f419625577e619cdb70657d46e12f6774517ad0976fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json" "-Zrustdoc-scrape-examples", kill_on_drop: false }`
[INFO] [stdout] a7831243524b92281385b17cc2d390cb86dfceed3e9da55df3b8742f9c05db4e
[INFO] running `Command { std: "docker" "start" "-a" "a7831243524b92281385b17cc2d390cb86dfceed3e9da55df3b8742f9c05db4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling scratch v1.0.1
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.63
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling link-cplusplus v1.0.6
[INFO] [stderr]    Compiling cxx v1.0.63
[INFO] [stderr]    Compiling cxx-build v1.0.63
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.63
[INFO] [stderr]    Compiling callbacks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Scraping callbacks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting callbacks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `my_cb` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct my_cb(Box<UniquePtr<ffi::simple_cb>>);
[INFO] [stdout]    |            ^^^^^ help: convert the identifier to upper camel case: `MyCb`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.16s
[INFO] running `Command { std: "docker" "inspect" "a7831243524b92281385b17cc2d390cb86dfceed3e9da55df3b8742f9c05db4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7831243524b92281385b17cc2d390cb86dfceed3e9da55df3b8742f9c05db4e", kill_on_drop: false }`
[INFO] [stdout] a7831243524b92281385b17cc2d390cb86dfceed3e9da55df3b8742f9c05db4e