[INFO] cloning repository https://github.com/jdmichaud/wgrep2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jdmichaud/wgrep2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdmichaud%2Fwgrep2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdmichaud%2Fwgrep2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ae922fd86e3cff33d59d17ea5ff82553b70a45b
[INFO] documenting jdmichaud/wgrep2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdmichaud%2Fwgrep2" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jdmichaud/wgrep2 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jdmichaud/wgrep2
[INFO] finished tweaking git repo https://github.com/jdmichaud/wgrep2
[INFO] tweaked toml for git repo https://github.com/jdmichaud/wgrep2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/jdmichaud/wgrep2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v0.9.12
[INFO] [stderr]   Downloaded serde_json v0.9.9
[INFO] [stderr]   Downloaded num-traits v0.1.37
[INFO] [stderr]   Downloaded serde v0.9.11
[INFO] [stderr]   Downloaded syn v0.11.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9de2ecc8a16e4add008f909faaf5dc4a031fab35e201ce4f50b63e0eb7e353e9
[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" "9de2ecc8a16e4add008f909faaf5dc4a031fab35e201ce4f50b63e0eb7e353e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9de2ecc8a16e4add008f909faaf5dc4a031fab35e201ce4f50b63e0eb7e353e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9de2ecc8a16e4add008f909faaf5dc4a031fab35e201ce4f50b63e0eb7e353e9", kill_on_drop: false }`
[INFO] [stdout] 9de2ecc8a16e4add008f909faaf5dc4a031fab35e201ce4f50b63e0eb7e353e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.61.0" "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] 5c99aa3b3c11313e3b5a6aa9539d06a1dfbf161a4a05c675783408705670ab1e
[INFO] running `Command { std: "docker" "start" "-a" "5c99aa3b3c11313e3b5a6aa9539d06a1dfbf161a4a05c675783408705670ab1e", kill_on_drop: false }`
[INFO] [stderr]     Checking serde v0.9.11
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]    Compiling syn v0.11.9
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling serde_derive v0.9.12
[INFO] [stderr]     Checking serde_json v0.9.9
[INFO] [stderr]  Documenting wgrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: comparison operators cannot be chained
[INFO] [stdout]   --> src/wglib/server.rs:22:35
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let res = serde_json::from_str<Request>(buffer);
[INFO] [stdout]    |                                   ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: use `::<...>` instead of `<...>` to specify lifetime, type, or const arguments
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let res = serde_json::from_str::<Request>(buffer);
[INFO] [stdout]    |                                   ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: comparison operators cannot be chained
[INFO] [stdout]   --> src/wglib/server.rs:26:33
[INFO] [stdout]    |
[INFO] [stdout] 26 |       res = serde_json::from_str<Request>(buffer);
[INFO] [stdout]    |                                 ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: use `::<...>` instead of `<...>` to specify lifetime, type, or const arguments
[INFO] [stdout]    |
[INFO] [stdout] 26 |       res = serde_json::from_str::<Request>(buffer);
[INFO] [stdout]    |                                 ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `serde`
[INFO] [stdout]  --> src/wglib/error.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]   |          ^^^^^^^^^ can't find crate
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `serde`
[INFO] [stdout]  --> src/wglib/error.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]   |                     ^^^^^^^^^^^ can't find crate
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0449]: unnecessary visibility qualifier
[INFO] [stdout]   --> src/wglib/server.rs:19:3
[INFO] [stdout]    |
[INFO] [stdout] 19 |   pub fn poll<F>(&mut self, closure: F) -> () where F: Fn(Request, Fn(&str)) -> () {
[INFO] [stdout]    |   ^^^ `pub` not permitted here because it's implied
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0449]: unnecessary visibility qualifier
[INFO] [stdout]   --> src/wglib/server.rs:32:3
[INFO] [stdout]    |
[INFO] [stdout] 32 |   pub fn send(&mut self, value: Value) -> () {
[INFO] [stdout]    |   ^^^ `pub` not permitted here because it's implied
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `wglib::buffer`
[INFO] [stdout]  --> src/wglib/request.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use wglib::buffer::*;
[INFO] [stdout]   |            ^^^^^^ could not find `buffer` in `wglib`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Request` in this scope
[INFO] [stdout]   --> src/main.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn handle_request(request: Request, send: Fn(FDServer, &str)) -> () {
[INFO] [stdout]    |                            ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] note: struct `wglib::request::Request` exists but is inaccessible
[INFO] [stdout]   --> src/wglib/request.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | struct Request {
[INFO] [stdout]    | ^^^^^^^^^^^^^^ not accessible
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: struct `Request` is private
[INFO] [stdout]  --> src/wglib/server.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use wglib::request::Request;
[INFO] [stdout]   |                     ^^^^^^^ private struct
[INFO] [stdout]   |
[INFO] [stdout] note: the struct `Request` is defined here
[INFO] [stdout]  --> src/wglib/request.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Request {
[INFO] [stdout]   | ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0432, E0449, E0463, E0554, E0603.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `wgrep`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name wgrep src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=61edc363aa6f6674 -L dependency=/opt/rustwide/target/debug/deps --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-8239bf7600374a2f.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-9c04b452058954d2.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "5c99aa3b3c11313e3b5a6aa9539d06a1dfbf161a4a05c675783408705670ab1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c99aa3b3c11313e3b5a6aa9539d06a1dfbf161a4a05c675783408705670ab1e", kill_on_drop: false }`
[INFO] [stdout] 5c99aa3b3c11313e3b5a6aa9539d06a1dfbf161a4a05c675783408705670ab1e