[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] testing Systemcluster/bracket2-rs against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSystemcluster%2Fbracket2-rs" "/workspace/builds/worker-17/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Systemcluster/bracket2-rs on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-17/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-17/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" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 009dc742142855fe3f3890eb32320a89ab8032614c9e17e9686364f046ae27a0 [INFO] running `Command { std: "docker" "start" "-a" "009dc742142855fe3f3890eb32320a89ab8032614c9e17e9686364f046ae27a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "009dc742142855fe3f3890eb32320a89ab8032614c9e17e9686364f046ae27a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "009dc742142855fe3f3890eb32320a89ab8032614c9e17e9686364f046ae27a0", kill_on_drop: false }` [INFO] [stdout] 009dc742142855fe3f3890eb32320a89ab8032614c9e17e9686364f046ae27a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c040b977b9982177fd0776f69760e72d959e17270d6d769630e073c3d1127559 [INFO] running `Command { std: "docker" "start" "-a" "c040b977b9982177fd0776f69760e72d959e17270d6d769630e073c3d1127559", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.34 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling cfg-if v0.1.2 [INFO] [stderr] Compiling lazy_static v1.0.0 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling utf8-ranges v1.0.0 [INFO] [stderr] Compiling regex-syntax v0.4.2 [INFO] [stderr] Compiling unicode-segmentation v1.2.0 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling log v0.4.1 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Compiling time v0.1.39 [INFO] [stderr] Compiling thread_local v0.3.5 [INFO] [stderr] Compiling aho-corasick v0.6.4 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling regex v0.2.5 [INFO] [stderr] Compiling simplelog v0.4.4 [INFO] [stderr] Compiling 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 beta 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 beta 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 beta 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 beta 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 beta 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 beta 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 beta 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 beta 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 beta 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 beta 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 beta 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 beta 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 beta 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 beta 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 beta 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] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/program.rs:140:3 [INFO] [stdout] | [INFO] [stdout] 140 | / lazy_static!{ [INFO] [stdout] 141 | | static ref SUBLINK: Regex = Regex::new(r"^&([0-9]*)$").unwrap(); [INFO] [stdout] 142 | | static ref INTEGER: Regex = Regex::new(r"^([0-9]+)$").unwrap(); [INFO] [stdout] 143 | | static ref FLOATP: Regex = Regex::new(r"^([0-9]+\.[0-9]+)$").unwrap(); [INFO] [stdout] 144 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/program.rs:140:3 [INFO] [stdout] | [INFO] [stdout] 140 | / lazy_static!{ [INFO] [stdout] 141 | | static ref SUBLINK: Regex = Regex::new(r"^&([0-9]*)$").unwrap(); [INFO] [stdout] 142 | | static ref INTEGER: Regex = Regex::new(r"^([0-9]+)$").unwrap(); [INFO] [stdout] 143 | | static ref FLOATP: Regex = Regex::new(r"^([0-9]+\.[0-9]+)$").unwrap(); [INFO] [stdout] 144 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/program.rs:140:3 [INFO] [stdout] | [INFO] [stdout] 140 | / lazy_static!{ [INFO] [stdout] 141 | | static ref SUBLINK: Regex = Regex::new(r"^&([0-9]*)$").unwrap(); [INFO] [stdout] 142 | | static ref INTEGER: Regex = Regex::new(r"^([0-9]+)$").unwrap(); [INFO] [stdout] 143 | | static ref FLOATP: Regex = Regex::new(r"^([0-9]+\.[0-9]+)$").unwrap(); [INFO] [stdout] 144 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(inclusive_range_syntax)] // range syntax additions [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `target_feature` has been stable since 1.27.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(target_feature, cfg_target_feature)] // target feature branching [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `cfg_target_feature` has been stable since 1.27.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:5:28 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(target_feature, cfg_target_feature)] // target feature branching [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `match_default_bindings` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | #![feature(match_default_bindings, match_beginning_vert)] // simplify matching [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `match_beginning_vert` has been stable since 1.25.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:6:36 [INFO] [stdout] | [INFO] [stdout] 6 | #![feature(match_default_bindings, match_beginning_vert)] // simplify matching [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `underscore_lifetimes` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | #![feature(underscore_lifetimes, in_band_lifetimes, nll, nested_method_call)] // simplify lifetimes [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `universal_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | #![feature(universal_impl_trait, conservative_impl_trait, dyn_trait)] // impl trait [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:8:34 [INFO] [stdout] | [INFO] [stdout] 8 | #![feature(universal_impl_trait, conservative_impl_trait, dyn_trait)] // impl trait [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `dyn_trait` has been stable since 1.27.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:8:59 [INFO] [stdout] | [INFO] [stdout] 8 | #![feature(universal_impl_trait, conservative_impl_trait, dyn_trait)] // impl trait [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `copy_closures` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | #![feature(copy_closures, clone_closures)] // closures enhancement [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `clone_closures` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:9:27 [INFO] [stdout] | [INFO] [stdout] 9 | #![feature(copy_closures, clone_closures)] // closures enhancement [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `termination_trait` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:10:23 [INFO] [stdout] | [INFO] [stdout] 10 | #![feature(try_trait, termination_trait, catch_expr)] // error handling [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `use_nested_groups` has been stable since 1.25.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:11:12 [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] [INFO] [stdout] warning: the feature `crate_in_paths` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:11:31 [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] [INFO] [stdout] warning: the feature `non_modrs_mods` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:11:74 [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] [INFO] [stdout] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:12:24 [INFO] [stdout] | [INFO] [stdout] 12 | #![feature(decl_macro, proc_macro)] // macro improvements [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/main.rs:7:58 [INFO] [stdout] | [INFO] [stdout] 7 | #![feature(underscore_lifetimes, in_band_lifetimes, nll, nested_method_call)] // simplify lifetimes [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/main.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | #![feature(try_trait, termination_trait, catch_expr)] // error handling [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/main.rs:10:42 [INFO] [stdout] | [INFO] [stdout] 10 | #![feature(try_trait, termination_trait, catch_expr)] // error handling [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/main.rs:14:24 [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 beta release channel [INFO] [stdout] --> src/main.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | #![feature(fn_traits, unboxed_closures)] // function-like type traits [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `nested_method_call` [INFO] [stdout] --> src/main.rs:7:58 [INFO] [stdout] | [INFO] [stdout] 7 | #![feature(underscore_lifetimes, in_band_lifetimes, nll, nested_method_call)] // simplify lifetimes [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `try_trait` [INFO] [stdout] --> src/main.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | #![feature(try_trait, termination_trait, catch_expr)] // error handling [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `catch_expr` [INFO] [stdout] --> src/main.rs:10:42 [INFO] [stdout] | [INFO] [stdout] 10 | #![feature(try_trait, termination_trait, catch_expr)] // error handling [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 26 previous errors; 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0557, E0635. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `bracket2` due to 27 previous errors; 19 warnings emitted [INFO] running `Command { std: "docker" "inspect" "c040b977b9982177fd0776f69760e72d959e17270d6d769630e073c3d1127559", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c040b977b9982177fd0776f69760e72d959e17270d6d769630e073c3d1127559", kill_on_drop: false }` [INFO] [stdout] c040b977b9982177fd0776f69760e72d959e17270d6d769630e073c3d1127559