[INFO] cloning repository https://github.com/lfairy/karkinos
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfairy%2Fkarkinos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1339476c746941d5142182c6a2800f8c6557617
[INFO] checking lfairy/karkinos against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfairy%2Fkarkinos" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lfairy/karkinos on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-9/source/Cargo.toml
[INFO] crate git repo https://github.com/lfairy/karkinos already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inotify v0.3.0
[INFO] [stderr]   Downloaded literalext v0.1.1
[INFO] [stderr]   Downloaded bk-tree v0.3.0
[INFO] [stderr]   Downloaded notify v4.0.3
[INFO] [stderr]   Downloaded ammonia v1.1.0
[INFO] [stderr]   Downloaded maud_macros v0.17.5
[INFO] [stderr]   Downloaded maud v0.17.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", 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] d2f9c085beb681c4c4cf59be1b8e986ef79f6eebb381128411a5fe11aa5ea4c6
[INFO] running `Command { std: "docker" "start" "-a" "d2f9c085beb681c4c4cf59be1b8e986ef79f6eebb381128411a5fe11aa5ea4c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2f9c085beb681c4c4cf59be1b8e986ef79f6eebb381128411a5fe11aa5ea4c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2f9c085beb681c4c4cf59be1b8e986ef79f6eebb381128411a5fe11aa5ea4c6", kill_on_drop: false }`
[INFO] [stdout] d2f9c085beb681c4c4cf59be1b8e986ef79f6eebb381128411a5fe11aa5ea4c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4eb1041786b6ce0737611783208358803c011afc06eed24d5837f30b30b11a94
[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" "4eb1041786b6ce0737611783208358803c011afc06eed24d5837f30b30b11a94", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking utf-8 v0.7.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling literalext v0.1.1
[INFO] [stderr]    Compiling maud_htmlescape v0.17.0
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]     Checking slab v0.1.3
[INFO] [stderr]     Checking sequence_trie v0.3.5
[INFO] [stderr]     Checking bytes v0.3.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking maplit v1.0.1
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking route-recognizer v0.1.12
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking nibble_vec v0.0.4
[INFO] [stderr]     Checking unicode-segmentation v1.2.1
[INFO] [stderr]     Checking bk-tree v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking inotify v0.3.0
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking log v0.4.2
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking filetime v0.1.15
[INFO] [stderr]    Compiling regex-syntax v0.6.0
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking rand v0.5.0
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]     Checking new_debug_unreachable v1.0.1
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking radix_trie v0.1.3
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking serde_json v1.0.20
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]    Compiling phf_shared v0.7.22
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]    Compiling maud_macros v0.17.5
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(proc_macro_non_items)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: subsumed by `#![feature(proc_macro_hygiene)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_quote'
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/generate.rs:68:21
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     quote!($head $body)
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #54722 <https://github.com/rust-lang/rust/issues/54722> for more information
[INFO] [stdout]    = help: add `#![feature(proc_macro_quote)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_quote'
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/generate.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         quote!({
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #54722 <https://github.com/rust-lang/rust/issues/54722> for more information
[INFO] [stdout]    = help: add `#![feature(proc_macro_quote)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_quote'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/generate.rs:141:25
[INFO] [stdout]     |
[INFO] [stdout] 141 |                         quote!($head { $body })
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #54722 <https://github.com/rust-lang/rust/issues/54722> for more information
[INFO] [stdout]     = help: add `#![feature(proc_macro_quote)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_quote'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/generate.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |         quote!($head $body)
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #54722 <https://github.com/rust-lang/rust/issues/54722> for more information
[INFO] [stdout]     = help: add `#![feature(proc_macro_quote)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_quote'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/generate.rs:218:5
[INFO] [stdout]     |
[INFO] [stdout] 218 |     quote!(if $cond)
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #54722 <https://github.com/rust-lang/rust/issues/54722> for more information
[INFO] [stdout]     = help: add `#![feature(proc_macro_quote)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_quote'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/generate.rs:269:13
[INFO] [stdout]     |
[INFO] [stdout] 269 |             quote!($output_ident.push_str($string);)
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #54722 <https://github.com/rust-lang/rust/issues/54722> for more information
[INFO] [stdout]     = help: add `#![feature(proc_macro_quote)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_quote'
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/lib.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     quote!({
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #54722 <https://github.com/rust-lang/rust/issues/54722> for more information
[INFO] [stdout]    = help: add `#![feature(proc_macro_quote)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking phf v0.7.22
[INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_quote'
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use proc_macro::quote;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #54722 <https://github.com/rust-lang/rust/issues/54722> for more information
[INFO] [stdout]    = help: add `#![feature(proc_macro_quote)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_quote'
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/generate.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     quote,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #54722 <https://github.com/rust-lang/rust/issues/54722> for more information
[INFO] [stdout]   = help: add `#![feature(proc_macro_quote)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_def_site'
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/lib.rs:37:69
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let output_ident = TokenTree::Ident(Ident::new("__maud_output", Span::def_site()));
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #54724 <https://github.com/rust-lang/rust/issues/54724> for more information
[INFO] [stdout]    = help: add `#![feature(proc_macro_def_site)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_span'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/generate.rs:226:32
[INFO] [stdout]     |
[INFO] [stdout] 226 |             Some(span) => span.join(token.span()).unwrap_or(span),
[INFO] [stdout]     |                                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #54725 <https://github.com/rust-lang/rust/issues/54725> for more information
[INFO] [stdout]     = help: add `#![feature(proc_macro_span)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_def_site'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/generate.rs:228:25
[INFO] [stdout]     |
[INFO] [stdout] 228 |         .unwrap_or_else(Span::def_site)
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #54724 <https://github.com/rust-lang/rust/issues/54724> for more information
[INFO] [stdout]     = help: add `#![feature(proc_macro_def_site)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tendril v0.4.0
[INFO] [stderr]     Checking miow v0.1.5
[INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_span'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_macros-0.17.5/src/parse.rs:344:61
[INFO] [stdout]     |
[INFO] [stdout] 344 | ...                   if let Some(bigger_span) = span.join(token.span()) {
[INFO] [stdout]     |                                                       ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #54725 <https://github.com/rust-lang/rust/issues/54725> for more information
[INFO] [stdout]     = help: add `#![feature(proc_macro_span)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stdout] error: aborting due to 14 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0557, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `maud_macros`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4eb1041786b6ce0737611783208358803c011afc06eed24d5837f30b30b11a94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eb1041786b6ce0737611783208358803c011afc06eed24d5837f30b30b11a94", kill_on_drop: false }`
[INFO] [stdout] 4eb1041786b6ce0737611783208358803c011afc06eed24d5837f30b30b11a94
