[INFO] cloning repository https://github.com/Systemcluster/bracket2-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Systemcluster/bracket2-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSystemcluster%2Fbracket2-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSystemcluster%2Fbracket2-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 52538166672b9b31fda33a3ad0abd3fc1cac9a62 [INFO] documenting Systemcluster/bracket2-rs 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%2FSystemcluster%2Fbracket2-rs" "/workspace/builds/worker-39/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-39/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Systemcluster/bracket2-rs 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] removed /workspace/builds/worker-39/source/.cargo/config [INFO] started tweaking git repo https://github.com/Systemcluster/bracket2-rs [INFO] finished tweaking git repo https://github.com/Systemcluster/bracket2-rs [INFO] tweaked toml for git repo https://github.com/Systemcluster/bracket2-rs written to /workspace/builds/worker-39/source/Cargo.toml [INFO] crate git repo https://github.com/Systemcluster/bracket2-rs 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 regex-syntax v0.4.2 [INFO] [stderr] Downloaded regex v0.2.5 [INFO] [stderr] Downloaded winapi v0.3.3 [INFO] [stderr] Downloaded simplelog v0.4.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] cf67e1c13e773384a93b8b3d18f111ec7eb98789220818b78a3478734c67647d [INFO] running `Command { std: "docker" "start" "-a" "cf67e1c13e773384a93b8b3d18f111ec7eb98789220818b78a3478734c67647d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cf67e1c13e773384a93b8b3d18f111ec7eb98789220818b78a3478734c67647d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf67e1c13e773384a93b8b3d18f111ec7eb98789220818b78a3478734c67647d", kill_on_drop: false }` [INFO] [stdout] cf67e1c13e773384a93b8b3d18f111ec7eb98789220818b78a3478734c67647d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] [stdout] 202a76dc3ff6e7f9b963cae76ee27598389eb941eb9690d22181a062c43869e2 [INFO] running `Command { std: "docker" "start" "-a" "202a76dc3ff6e7f9b963cae76ee27598389eb941eb9690d22181a062c43869e2", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.34 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking regex-syntax v0.4.2 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking term v0.4.6 [INFO] [stderr] Checking unicode-segmentation v1.2.0 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking time v0.1.39 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking simplelog v0.4.4 [INFO] [stderr] Checking regex v0.2.5 [INFO] [stderr] Documenting bracket2 v0.0.1-dev (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/main.rs:7:34 [INFO] [stdout] | [INFO] [stdout] 7 | #![feature(underscore_lifetimes, in_band_lifetimes, nll, nested_method_call)] // simplify lifetimes [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed due to unsolved ergonomic questions and added lifetime resolution complexity [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/main.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | #![feature(const_fn)] // const functions [INFO] [stdout] | ^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: split into finer-grained feature gates [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/main.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | #![feature(const_generics)] // const generics [INFO] [stdout] | ^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in favor of `#![feature(adt_const_params)]` and `#![feature(generic_const_exprs)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/main.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(inclusive_range_syntax)] // range syntax additions [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute [INFO] [stdout] | [INFO] [stdout] = help: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/main.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(target_feature, cfg_target_feature)] // target feature branching [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute [INFO] [stdout] | [INFO] [stdout] = help: the feature `target_feature` has been stable since 1.27.0 and no longer requires an attribute to enable [INFO] [stdout] = help: the feature `cfg_target_feature` has been stable since 1.27.0 and no longer requires an attribute to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/main.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | #![feature(match_default_bindings, match_beginning_vert)] // simplify matching [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute [INFO] [stdout] | [INFO] [stdout] = help: the feature `match_default_bindings` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] = help: the feature `match_beginning_vert` has been stable since 1.25.0 and no longer requires an attribute to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/main.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | #![feature(underscore_lifetimes, in_band_lifetimes, nll, nested_method_call)] // simplify lifetimes [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: the feature `underscore_lifetimes` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/main.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | #![feature(universal_impl_trait, conservative_impl_trait, dyn_trait)] // impl trait [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute [INFO] [stdout] | [INFO] [stdout] = help: the feature `universal_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] = help: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] = help: the feature `dyn_trait` has been stable since 1.27.0 and no longer requires an attribute to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/main.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | #![feature(copy_closures, clone_closures)] // closures enhancement [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute [INFO] [stdout] | [INFO] [stdout] = help: the feature `copy_closures` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] = help: the feature `clone_closures` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/main.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | #![feature(try_trait, termination_trait, catch_expr)] // error handling [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: the feature `termination_trait` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/main.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | #![feature(use_nested_groups, crate_in_paths, crate_visibility_modifier, non_modrs_mods)] // module handling [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: the feature `use_nested_groups` has been stable since 1.25.0 and no longer requires an attribute to enable [INFO] [stdout] = help: the feature `crate_in_paths` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] = help: the feature `non_modrs_mods` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/main.rs:12:1 [INFO] [stdout] | [INFO] [stdout] 12 | #![feature(decl_macro, proc_macro)] // macro improvements [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/main.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | #![feature(arbitrary_self_types)] // additional self method arguments [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:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | #![feature(generators, generator_trait)] // generators/coroutines [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:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | #![feature(fn_traits, unboxed_closures)] // function-like type traits [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:16:1 [INFO] [stdout] | [INFO] [stdout] 16 | #![feature(never_type)] // new types [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:17:1 [INFO] [stdout] | [INFO] [stdout] 17 | #![feature(const_fn)] // const functions [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:18:1 [INFO] [stdout] | [INFO] [stdout] 18 | #![feature(const_generics)] // const generics [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: Compilation failed, aborting rustdoc [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 19 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0557. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not document `bracket2` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --crate-type bin --crate-name bracket2 src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=be58d08fbf89966c -L dependency=/opt/rustwide/target/debug/deps --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-0e3e0656a0799b4b.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-166a3dd64726aceb.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-dcc3af7d86d3b31b.rmeta --extern simplelog=/opt/rustwide/target/debug/deps/libsimplelog-b9ca1bed2b12fa98.rmeta --extern unicode_segmentation=/opt/rustwide/target/debug/deps/libunicode_segmentation-aaa5534b730a76ea.rmeta --cap-lints=warn --crate-version 0.0.1-dev` (exit status: 1) [INFO] running `Command { std: "docker" "inspect" "202a76dc3ff6e7f9b963cae76ee27598389eb941eb9690d22181a062c43869e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "202a76dc3ff6e7f9b963cae76ee27598389eb941eb9690d22181a062c43869e2", kill_on_drop: false }` [INFO] [stdout] 202a76dc3ff6e7f9b963cae76ee27598389eb941eb9690d22181a062c43869e2