[INFO] cloning repository https://github.com/samsieber/rubber-duck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samsieber/rubber-duck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamsieber%2Frubber-duck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamsieber%2Frubber-duck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7286a3f8dbe7783cd77fe53fbc7166fa522c94f8
[INFO] documenting samsieber/rubber-duck 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%2Fsamsieber%2Frubber-duck" "/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/samsieber/rubber-duck 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/samsieber/rubber-duck
[INFO] finished tweaking git repo https://github.com/samsieber/rubber-duck
[INFO] tweaked toml for git repo https://github.com/samsieber/rubber-duck written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/samsieber/rubber-duck 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-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" "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] 6919973f15362feaedbea25b995cdabca632bfdd054e5c8148df5a884ad037c3
[INFO] running `Command { std: "docker" "start" "-a" "6919973f15362feaedbea25b995cdabca632bfdd054e5c8148df5a884ad037c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6919973f15362feaedbea25b995cdabca632bfdd054e5c8148df5a884ad037c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6919973f15362feaedbea25b995cdabca632bfdd054e5c8148df5a884ad037c3", kill_on_drop: false }`
[INFO] [stdout] 6919973f15362feaedbea25b995cdabca632bfdd054e5c8148df5a884ad037c3
[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" "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] 7208c9814917e2508d3f62ae93332d0b3ab2bbb75f392998316c934018013d20
[INFO] running `Command { std: "docker" "start" "-a" "7208c9814917e2508d3f62ae93332d0b3ab2bbb75f392998316c934018013d20", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking quote v0.6.10
[INFO] [stderr]     Checking syn v0.15.23
[INFO] [stderr]    Compiling proc-macro-hack v0.5.3
[INFO] [stderr]    Compiling rubber_duck_macro v0.2.0 (/opt/rustwide/workdir/rubber_duck_macro)
[INFO] [stderr]  Documenting rubber_duck_macro v0.2.0 (/opt/rustwide/workdir/rubber_duck_macro)
[INFO] [stdout] warning: unused import: `quote_spanned`
[INFO] [stdout]  --> rubber_duck_macro/src/call.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use quote::{quote, quote_spanned};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::spanned::Spanned`
[INFO] [stdout]  --> rubber_duck_macro/src/call.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use syn::spanned::Spanned;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ExprMethodCall`, `Type`
[INFO] [stdout]  --> rubber_duck_macro/src/call.rs:4:50
[INFO] [stdout]   |
[INFO] [stdout] 4 | use syn::{parse_macro_input, Expr, Ident, Token, Type, ExprMethodCall};
[INFO] [stdout]   |                                                  ^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `bracketed`, `parenthesized`
[INFO] [stdout]  --> rubber_duck_macro/src/call.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | use syn::{braced, bracketed, parenthesized, parse_quote};
[INFO] [stdout]   |                   ^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::ExprCall`
[INFO] [stdout]   --> rubber_duck_macro/src/call.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use syn::ExprCall;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::export::ToTokens`
[INFO] [stdout]  --> rubber_duck_macro/src/builder.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use syn::export::ToTokens;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Expr`, `Field`, `Fields`, `Item`, `Lit`, `MetaNameValue`, `Meta`
[INFO] [stdout]  --> rubber_duck_macro/src/builder.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Expr, Field, Fields, GenericArgument, Ident, Item, Lit, Meta, MetaNameValue,
[INFO] [stdout]   |     ^^^^  ^^^^^  ^^^^^^                          ^^^^  ^^^  ^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parse_fn::FieldRole`
[INFO] [stdout]   --> rubber_duck_macro/src/builder.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::parse_fn::FieldRole;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parse_fn::FieldRole`
[INFO] [stdout]  --> rubber_duck_macro/src/build.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::parse_fn::FieldRole;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> rubber_duck_macro/src/call.rs:78:57
[INFO] [stdout]    |
[INFO] [stdout] 78 |                     brace.surround(&mut braced_tokens, |v|{});
[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: `p`
[INFO] [stdout]   --> rubber_duck_macro/src/build.rs:28:72
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let p_expr_expanders = structure.positional().enumerate().map(|(i, p)| {
[INFO] [stdout]    |                                                                        ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ExpressionList`
[INFO] [stdout]   --> rubber_duck_macro/src/call.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct ExpressionList {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_builder`
[INFO] [stdout]  --> rubber_duck_macro/src/build.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn gen_builder(structure: &parse_fn::Structure) -> ::proc_macro2::TokenStream {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rubber_duck v0.2.2 (/opt/rustwide/workdir/rubber_duck)
[INFO] [stderr]  Documenting rubber_duck v0.2.2 (/opt/rustwide/workdir/rubber_duck)
[INFO] [stderr]     Checking example_api v0.1.0 (/opt/rustwide/workdir/example_api)
[INFO] [stderr]  Documenting example_api v0.1.0 (/opt/rustwide/workdir/example_api)
[INFO] [stdout] warning: type `is_a_test` should have an upper camel case name
[INFO] [stdout]   --> example_api/src/lib.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn is_a_test(name: String, message: String) -> String {
[INFO] [stdout]    |            ^^^^^^^^^ help: convert the identifier to upper camel case: `IsATest`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `two_pos` should have an upper camel case name
[INFO] [stdout]   --> example_api/src/lib.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn two_pos(loc: String, message: String, name: String) -> String {
[INFO] [stdout]    |            ^^^^^^^ help: convert the identifier to upper camel case: `TwoPos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `open_file` should have an upper camel case name
[INFO] [stdout]   --> example_api/src/lib.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn open_file(
[INFO] [stdout]    |            ^^^^^^^^^ help: convert the identifier to upper camel case: `OpenFile`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> example_api/src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> example_api/src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> example_api/src/lib.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     use std::path::Path;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `is_a_test` should have an upper camel case name
[INFO] [stdout]   --> example_api/src/lib.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn is_a_test(name: String, message: String) -> String {
[INFO] [stdout]    |            ^^^^^^^^^ help: convert the identifier to upper camel case: `IsATest`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `two_pos` should have an upper camel case name
[INFO] [stdout]   --> example_api/src/lib.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn two_pos(loc: String, message: String, name: String) -> String {
[INFO] [stdout]    |            ^^^^^^^ help: convert the identifier to upper camel case: `TwoPos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `open_file` should have an upper camel case name
[INFO] [stdout]   --> example_api/src/lib.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn open_file(
[INFO] [stdout]    |            ^^^^^^^^^ help: convert the identifier to upper camel case: `OpenFile`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test`
[INFO] [stdout]   --> example_api/src/lib.rs:73:37
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn match_struct_S(S { name: test, greeting, answer} : S){
[INFO] [stdout]    |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `greeting`
[INFO] [stdout]   --> example_api/src/lib.rs:73:43
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn match_struct_S(S { name: test, greeting, answer} : S){
[INFO] [stdout]    |                                           ^^^^^^^^ help: try ignoring the field: `greeting: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `answer`
[INFO] [stdout]   --> example_api/src/lib.rs:73:53
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn match_struct_S(S { name: test, greeting, answer} : S){
[INFO] [stdout]    |                                                     ^^^^^^ help: try ignoring the field: `answer: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_struct_S` should have a snake case name
[INFO] [stdout]   --> example_api/src/lib.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn match_struct_S(S { name: test, greeting, answer} : S){
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `match_struct_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting example_consumer v0.1.0 (/opt/rustwide/workdir/example_consumer)
[INFO] [stderr] Parsed type: TypePath { qself: None, path: Path { leading_colon: None, segments: [PathSegment { ident: Ident { ident: "is_a_test", span: #0 bytes(982..991) }, arguments: None }] } }
[INFO] [stderr] Ident:true
[INFO] [stderr] Colon:true
[INFO] [stderr] Comma:false
[INFO] [stderr] Parsing named field
[INFO] [stderr] Found a colon
[INFO] [stderr] Parsing named field
[INFO] [stderr] Found a colon
[INFO] [stderr] Done parsing
[INFO] [stderr] Done parsing stream
[INFO] [stderr] Parsed type: TypePath { qself: None, path: Path { leading_colon: None, segments: [PathSegment { ident: Ident { ident: "module", span: #0 bytes(1158..1164) }, arguments: None }, Colon2, PathSegment { ident: Ident { ident: "is_a_test", span: #0 bytes(1166..1175) }, arguments: None }] } }
[INFO] [stderr] Ident:true
[INFO] [stderr] Colon:true
[INFO] [stderr] Comma:false
[INFO] [stderr] Parsing named field
[INFO] [stderr] Found a colon
[INFO] [stderr] Parsing named field
[INFO] [stderr] Found a colon
[INFO] [stderr] Done parsing
[INFO] [stderr] Done parsing stream
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.14s
[INFO] running `Command { std: "docker" "inspect" "7208c9814917e2508d3f62ae93332d0b3ab2bbb75f392998316c934018013d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7208c9814917e2508d3f62ae93332d0b3ab2bbb75f392998316c934018013d20", kill_on_drop: false }`
[INFO] [stdout] 7208c9814917e2508d3f62ae93332d0b3ab2bbb75f392998316c934018013d20
[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" "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] 79a0e9c5db72f4ee2da9e18e7cb867472e99f5579a489b755ed515d9e5179e14
[INFO] running `Command { std: "docker" "start" "-a" "79a0e9c5db72f4ee2da9e18e7cb867472e99f5579a489b755ed515d9e5179e14", 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" "79a0e9c5db72f4ee2da9e18e7cb867472e99f5579a489b755ed515d9e5179e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79a0e9c5db72f4ee2da9e18e7cb867472e99f5579a489b755ed515d9e5179e14", kill_on_drop: false }`
[INFO] [stdout] 79a0e9c5db72f4ee2da9e18e7cb867472e99f5579a489b755ed515d9e5179e14