[INFO] cloning repository https://github.com/lfairy/karkinos
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lfairy/karkinos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfairy%2Fkarkinos"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfairy%2Fkarkinos'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b1339476c746941d5142182c6a2800f8c6557617
[INFO] checking lfairy/karkinos against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfairy%2Fkarkinos" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lfairy/karkinos on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lfairy/karkinos
[INFO] finished tweaking git repo https://github.com/lfairy/karkinos
[INFO] tweaked toml for git repo https://github.com/lfairy/karkinos written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/lfairy/karkinos already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ab92b1c4b92a88709a82f3253f693f46c7f357547d356c8b54a7326cdfab2ae9
[INFO] running `"docker" "start" "-a" "ab92b1c4b92a88709a82f3253f693f46c7f357547d356c8b54a7326cdfab2ae9"`
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]     Checking sequence_trie v0.3.5
[INFO] [stderr]     Checking bk-tree v0.3.0
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking filetime v0.1.15
[INFO] [stderr]     Checking inotify v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.0
[INFO] [stderr]    Compiling maud_macros v0.17.5
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(proc_macro_non_items)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: subsumed by `#![feature(proc_macro_hygiene)]`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(proc_macro_non_items)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Checking radix_trie v0.1.3
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_quote'
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/generate.rs:68:21
[INFO] [stderr]    |
[INFO] [stderr] 68 |                     quote!($head $body)
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/54722
[INFO] [stderr]    = help: add `#![feature(proc_macro_quote)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: procedural macros cannot be expanded to expressions
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/generate.rs:68:21
[INFO] [stderr]    |
[INFO] [stderr] 68 |                     quote!($head $body)
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/54727
[INFO] [stderr]    = help: add `#![feature(proc_macro_hygiene)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_quote'
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/generate.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |         quote!({
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/54722
[INFO] [stderr]    = help: add `#![feature(proc_macro_quote)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: procedural macros cannot be expanded to expressions
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/generate.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 | /         quote!({
[INFO] [stderr] 85 | |             // Create a local trait alias so that autoref works
[INFO] [stderr] 86 | |             trait Render: maud::Render {
[INFO] [stderr] 87 | |                 fn __maud_render_to(&self, output_ident: &mut String) {
[INFO] [stderr] ...  |
[INFO] [stderr] 92 | |             $expr.__maud_render_to(&mut $output_ident);
[INFO] [stderr] 93 | |         })
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/54727
[INFO] [stderr]    = help: add `#![feature(proc_macro_hygiene)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_quote'
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/generate.rs:141:25
[INFO] [stderr]     |
[INFO] [stderr] 141 |                         quote!($head { $body })
[INFO] [stderr]     |                         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/54722
[INFO] [stderr]     = help: add `#![feature(proc_macro_quote)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: procedural macros cannot be expanded to expressions
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/generate.rs:141:25
[INFO] [stderr]     |
[INFO] [stderr] 141 |                         quote!($head { $body })
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/54727
[INFO] [stderr]     = help: add `#![feature(proc_macro_hygiene)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_quote'
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/generate.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 |         quote!($head $body)
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/54722
[INFO] [stderr]     = help: add `#![feature(proc_macro_quote)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: procedural macros cannot be expanded to expressions
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/generate.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 |         quote!($head $body)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/54727
[INFO] [stderr]     = help: add `#![feature(proc_macro_hygiene)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_quote'
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/generate.rs:218:5
[INFO] [stderr]     |
[INFO] [stderr] 218 |     quote!(if $cond)
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/54722
[INFO] [stderr]     = help: add `#![feature(proc_macro_quote)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: procedural macros cannot be expanded to expressions
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/generate.rs:218:5
[INFO] [stderr]     |
[INFO] [stderr] 218 |     quote!(if $cond)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/54727
[INFO] [stderr]     = help: add `#![feature(proc_macro_hygiene)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_quote'
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/generate.rs:269:13
[INFO] [stderr]     |
[INFO] [stderr] 269 |             quote!($output_ident.push_str($string);)
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/54722
[INFO] [stderr]     = help: add `#![feature(proc_macro_quote)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: procedural macros cannot be expanded to expressions
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/generate.rs:269:13
[INFO] [stderr]     |
[INFO] [stderr] 269 |             quote!($output_ident.push_str($string);)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/54727
[INFO] [stderr]     = help: add `#![feature(proc_macro_hygiene)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_quote'
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/lib.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     quote!({
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/54722
[INFO] [stderr]    = help: add `#![feature(proc_macro_quote)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: procedural macros cannot be expanded to expressions
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/lib.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 | /     quote!({
[INFO] [stderr] 48 | |         extern crate maud;
[INFO] [stderr] 49 | |         let mut $output_ident = String::with_capacity($size_hint);
[INFO] [stderr] 50 | |         $stmts
[INFO] [stderr] 51 | |         maud::PreEscaped($output_ident)
[INFO] [stderr] 52 | |     })
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/54727
[INFO] [stderr]    = help: add `#![feature(proc_macro_hygiene)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_quote'
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/lib.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use proc_macro::quote;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/54722
[INFO] [stderr]    = help: add `#![feature(proc_macro_quote)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_quote'
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/generate.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     quote,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/54722
[INFO] [stderr]   = help: add `#![feature(proc_macro_quote)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_def_site'
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/lib.rs:37:69
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let output_ident = TokenTree::Ident(Ident::new("__maud_output", Span::def_site()));
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/54724
[INFO] [stderr]    = help: add `#![feature(proc_macro_def_site)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_span'
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/generate.rs:226:32
[INFO] [stderr]     |
[INFO] [stderr] 226 |             Some(span) => span.join(token.span()).unwrap_or(span),
[INFO] [stderr]     |                                ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/54725
[INFO] [stderr]     = help: add `#![feature(proc_macro_span)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_def_site'
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/generate.rs:228:25
[INFO] [stderr]     |
[INFO] [stderr] 228 |         .unwrap_or_else(Span::def_site)
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/54724
[INFO] [stderr]     = help: add `#![feature(proc_macro_def_site)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_span'
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/parse.rs:344:61
[INFO] [stderr]     |
[INFO] [stderr] 344 | ...                   if let Some(bigger_span) = span.join(token.span()) {
[INFO] [stderr]     |                                                       ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/54725
[INFO] [stderr]     = help: add `#![feature(proc_macro_span)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 21 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0557, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0557`.
[INFO] [stderr] error: could not compile `maud_macros`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "ab92b1c4b92a88709a82f3253f693f46c7f357547d356c8b54a7326cdfab2ae9"`
[INFO] running `"docker" "rm" "-f" "ab92b1c4b92a88709a82f3253f693f46c7f357547d356c8b54a7326cdfab2ae9"`
[INFO] [stdout] ab92b1c4b92a88709a82f3253f693f46c7f357547d356c8b54a7326cdfab2ae9