[INFO] updating cached repository https://github.com/bryal/tedwm [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b0b0374d305c53acd1f9f171c95cb53900850ca4 [INFO] checking bryal/tedwm against beta-2019-10-27 for pr-65897 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryal%2Ftedwm" "/workspace/builds/worker-3/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bryal/tedwm on toolchain beta-2019-10-27 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/bryal/tedwm [INFO] finished tweaking git repo https://github.com/bryal/tedwm [INFO] tweaked toml for git repo https://github.com/bryal/tedwm written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/bryal/tedwm already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=allow" "-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" "+beta-2019-10-27" "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] 1253197c30904880d002084e615f94ccfef4b726dec32dddcd7d66390b322745 [INFO] running `"docker" "start" "-a" "1253197c30904880d002084e615f94ccfef4b726dec32dddcd7d66390b322745"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking either v1.1.0 [INFO] [stderr] Checking futures v0.1.11 [INFO] [stderr] Checking sequence_trie v0.3.0 [INFO] [stderr] Checking termion v1.2.0 [INFO] [stderr] Checking itertools v0.6.0 [INFO] [stderr] Checking tokio-timer v0.1.0 [INFO] [stderr] Checking tedwm v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:14:35 [INFO] [stderr] | [INFO] [stderr] 14 | [Key::Char('\t'), ref rest..] => ("".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:15:35 [INFO] [stderr] | [INFO] [stderr] 15 | [Key::Char('\n'), ref rest..] => ("".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:16:53 [INFO] [stderr] | [INFO] [stderr] 16 | [Key::Char(c @ '\u{0}'...'\u{1F}'), ref rest..] => { [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:19:32 [INFO] [stderr] | [INFO] [stderr] 19 | [Key::Char(c), ref rest..] => (format!("{}", c), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:20:32 [INFO] [stderr] | [INFO] [stderr] 20 | [Key::Ctrl(c), ref rest..] => (format!("C-{}", c), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:21:52 [INFO] [stderr] | [INFO] [stderr] 21 | [Key::Alt(c @ '\u{0}'...'\u{1F}'), ref rest..] => { [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:24:31 [INFO] [stderr] | [INFO] [stderr] 24 | [Key::Alt(c), ref rest..] => (format!("M-{}", c), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:25:29 [INFO] [stderr] | [INFO] [stderr] 25 | [Key::F(n), ref rest..] => (format!("", n), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:26:34 [INFO] [stderr] | [INFO] [stderr] 26 | [Key::Backspace, ref rest..] => ("".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:27:31 [INFO] [stderr] | [INFO] [stderr] 27 | [Key::Delete, ref rest..] => ("".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:28:27 [INFO] [stderr] | [INFO] [stderr] 28 | [Key::Up, ref rest..] => ("".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:29:29 [INFO] [stderr] | [INFO] [stderr] 29 | [Key::Down, ref rest..] => ("".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:30:29 [INFO] [stderr] | [INFO] [stderr] 30 | [Key::Left, ref rest..] => ("".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:31:30 [INFO] [stderr] | [INFO] [stderr] 31 | [Key::Right, ref rest..] => ("".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:32:29 [INFO] [stderr] | [INFO] [stderr] 32 | [Key::Home, ref rest..] => ("".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:33:28 [INFO] [stderr] | [INFO] [stderr] 33 | [Key::End, ref rest..] => ("".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:34:31 [INFO] [stderr] | [INFO] [stderr] 34 | [Key::Insert, ref rest..] => ("".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:35:33 [INFO] [stderr] | [INFO] [stderr] 35 | [Key::PageDown, ref rest..] => ("".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:36:31 [INFO] [stderr] | [INFO] [stderr] 36 | [Key::PageUp, ref rest..] => ("".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:37:46 [INFO] [stderr] | [INFO] [stderr] 37 | [Key::Esc, k @ Key::Char(_), ref rest..] | [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:38:46 [INFO] [stderr] | [INFO] [stderr] 38 | [Key::Esc, k @ Key::Ctrl(_), ref rest..] => (format!("M-{}", key_seq_to_string(&[k])), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:40:28 [INFO] [stderr] | [INFO] [stderr] 40 | [Key::Esc, ref rest..] => ("".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:41:29 [INFO] [stderr] | [INFO] [stderr] 41 | [Key::Null, ref rest..] => ("".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:42:40 [INFO] [stderr] | [INFO] [stderr] 42 | [Key::__IsNotComplete, ref rest..] => ("UNSUPPORTED".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:14:35 [INFO] [stderr] | [INFO] [stderr] 14 | [Key::Char('\t'), ref rest..] => ("".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:15:35 [INFO] [stderr] | [INFO] [stderr] 15 | [Key::Char('\n'), ref rest..] => ("".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:16:53 [INFO] [stderr] | [INFO] [stderr] 16 | [Key::Char(c @ '\u{0}'...'\u{1F}'), ref rest..] => { [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:19:32 [INFO] [stderr] | [INFO] [stderr] 19 | [Key::Char(c), ref rest..] => (format!("{}", c), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:20:32 [INFO] [stderr] | [INFO] [stderr] 20 | [Key::Ctrl(c), ref rest..] => (format!("C-{}", c), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:21:52 [INFO] [stderr] | [INFO] [stderr] 21 | [Key::Alt(c @ '\u{0}'...'\u{1F}'), ref rest..] => { [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:24:31 [INFO] [stderr] | [INFO] [stderr] 24 | [Key::Alt(c), ref rest..] => (format!("M-{}", c), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:25:29 [INFO] [stderr] | [INFO] [stderr] 25 | [Key::F(n), ref rest..] => (format!("", n), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:26:34 [INFO] [stderr] | [INFO] [stderr] 26 | [Key::Backspace, ref rest..] => ("".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:27:31 [INFO] [stderr] | [INFO] [stderr] 27 | [Key::Delete, ref rest..] => ("".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:28:27 [INFO] [stderr] | [INFO] [stderr] 28 | [Key::Up, ref rest..] => ("".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:29:29 [INFO] [stderr] | [INFO] [stderr] 29 | [Key::Down, ref rest..] => ("".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:30:29 [INFO] [stderr] | [INFO] [stderr] 30 | [Key::Left, ref rest..] => ("".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:31:30 [INFO] [stderr] | [INFO] [stderr] 31 | [Key::Right, ref rest..] => ("".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:32:29 [INFO] [stderr] | [INFO] [stderr] 32 | [Key::Home, ref rest..] => ("".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:33:28 [INFO] [stderr] | [INFO] [stderr] 33 | [Key::End, ref rest..] => ("".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:34:31 [INFO] [stderr] | [INFO] [stderr] 34 | [Key::Insert, ref rest..] => ("".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:35:33 [INFO] [stderr] | [INFO] [stderr] 35 | [Key::PageDown, ref rest..] => ("".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:36:31 [INFO] [stderr] | [INFO] [stderr] 36 | [Key::PageUp, ref rest..] => ("".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:37:46 [INFO] [stderr] | [INFO] [stderr] 37 | [Key::Esc, k @ Key::Char(_), ref rest..] | [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:38:46 [INFO] [stderr] | [INFO] [stderr] 38 | [Key::Esc, k @ Key::Ctrl(_), ref rest..] => (format!("M-{}", key_seq_to_string(&[k])), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:40:28 [INFO] [stderr] | [INFO] [stderr] 40 | [Key::Esc, ref rest..] => ("".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:41:29 [INFO] [stderr] | [INFO] [stderr] 41 | [Key::Null, ref rest..] => ("".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..` [INFO] [stderr] --> src/lib/input.rs:42:40 [INFO] [stderr] | [INFO] [stderr] 42 | [Key::__IsNotComplete, ref rest..] => ("UNSUPPORTED".to_string(), rest), [INFO] [stderr] | ^^ expected one of `,`, `@`, `]`, or `|` here [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `std::boxed::FnBox` [INFO] [stderr] --> src/lib/frame.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::boxed::FnBox; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `std::boxed::FnBox` [INFO] [stderr] --> src/lib/tui.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::boxed::FnBox; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed` [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(slice_patterns, fnbox, inclusive_range_syntax)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 27 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0432, E0554. [INFO] [stderr] For more information about an error, try `rustc --explain E0432`. [INFO] [stderr] error: could not compile `tedwm`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0432]: unresolved import `std::boxed::FnBox` [INFO] [stderr] --> src/lib/frame.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::boxed::FnBox; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `std::boxed::FnBox` [INFO] [stderr] --> src/lib/tui.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::boxed::FnBox; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed` [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(slice_patterns, fnbox, inclusive_range_syntax)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 27 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0432, E0554. [INFO] [stderr] For more information about an error, try `rustc --explain E0432`. [INFO] [stderr] error: could not compile `tedwm`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "1253197c30904880d002084e615f94ccfef4b726dec32dddcd7d66390b322745"` [INFO] running `"docker" "rm" "-f" "1253197c30904880d002084e615f94ccfef4b726dec32dddcd7d66390b322745"` [INFO] [stdout] 1253197c30904880d002084e615f94ccfef4b726dec32dddcd7d66390b322745