[INFO] cloning repository https://github.com/renato-zannon/rust-generated
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/renato-zannon/rust-generated" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenato-zannon%2Frust-generated", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenato-zannon%2Frust-generated'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c97a88f3924aa78b60b2dcd363e76a8f973f382
[INFO] documenting renato-zannon/rust-generated against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenato-zannon%2Frust-generated" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/renato-zannon/rust-generated on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/renato-zannon/rust-generated
[INFO] finished tweaking git repo https://github.com/renato-zannon/rust-generated
[INFO] tweaked toml for git repo https://github.com/renato-zannon/rust-generated written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/renato-zannon/rust-generated already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbb8f5c2319ae6ba59b4ea6b938b8cf28c71a8321341daba3ef06f4133df724d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cbb8f5c2319ae6ba59b4ea6b938b8cf28c71a8321341daba3ef06f4133df724d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbb8f5c2319ae6ba59b4ea6b938b8cf28c71a8321341daba3ef06f4133df724d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbb8f5c2319ae6ba59b4ea6b938b8cf28c71a8321341daba3ef06f4133df724d", kill_on_drop: false }`
[INFO] [stdout] cbb8f5c2319ae6ba59b4ea6b938b8cf28c71a8321341daba3ef06f4133df724d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 783898efdd566b6ac1508a58dd201196c0daee7fbbbaccfb6cc53c453640cbdc
[INFO] running `Command { std: "docker" "start" "-a" "783898efdd566b6ac1508a58dd201196c0daee7fbbbaccfb6cc53c453640cbdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling generated v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::old_io`
[INFO] [stdout]  --> build.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::old_io::{fs, File, BufferedReader};
[INFO] [stdout]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Path`
[INFO] [stdout]  --> build.rs:8:27
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let target_dir      = Path::new(env::var_string("OUT_DIR").unwrap());
[INFO] [stdout]   |                           ^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::Path;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `var_string` in module `env`
[INFO] [stdout]  --> build.rs:8:42
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let target_dir      = Path::new(env::var_string("OUT_DIR").unwrap());
[INFO] [stdout]   |                                          ^^^^^^^^^^ not found in `env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Path`
[INFO] [stdout]   --> build.rs:11:28
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let source_code_path = Path::new(file!()).join_many(&["..", "src/"]);
[INFO] [stdout]    |                            ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 3  | use std::path::Path;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> build.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(core, unicode, path, io, env)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432, E0433, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `generated`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "783898efdd566b6ac1508a58dd201196c0daee7fbbbaccfb6cc53c453640cbdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "783898efdd566b6ac1508a58dd201196c0daee7fbbbaccfb6cc53c453640cbdc", kill_on_drop: false }`
[INFO] [stdout] 783898efdd566b6ac1508a58dd201196c0daee7fbbbaccfb6cc53c453640cbdc