[INFO] cloning repository https://github.com/sarahhodne/travis-build-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sarahhodne/travis-build-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarahhodne%2Ftravis-build-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarahhodne%2Ftravis-build-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f3185eb567fc0dd0029016a053e309e86d0e94a
[INFO] documenting sarahhodne/travis-build-rs against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarahhodne%2Ftravis-build-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sarahhodne/travis-build-rs on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sarahhodne/travis-build-rs
[INFO] finished tweaking git repo https://github.com/sarahhodne/travis-build-rs
[INFO] tweaked toml for git repo https://github.com/sarahhodne/travis-build-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/sarahhodne/travis-build-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bc2465ae84fe14f417c2bc8689df4aa7249be00241ed092d188b863a6fa23b8
[INFO] running `Command { std: "docker" "start" "-a" "3bc2465ae84fe14f417c2bc8689df4aa7249be00241ed092d188b863a6fa23b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bc2465ae84fe14f417c2bc8689df4aa7249be00241ed092d188b863a6fa23b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bc2465ae84fe14f417c2bc8689df4aa7249be00241ed092d188b863a6fa23b8", kill_on_drop: false }`
[INFO] [stdout] 3bc2465ae84fe14f417c2bc8689df4aa7249be00241ed092d188b863a6fa23b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 976fff96ded4df13676b92d7fac21d7015224154d9cf0b38914538b86ad90fb9
[INFO] running `Command { std: "docker" "start" "-a" "976fff96ded4df13676b92d7fac21d7015224154d9cf0b38914538b86ad90fb9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting travis_build v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: macros that expand to items must be delimited with braces or followed by a semicolon
[INFO] [stdout]   --> src/ast/mod.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |   macro_rules! ast_if (
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 54 | |     ($cond:expr { $($body:expr;)* }) => (::ast::If($cond, box ast_block! { $($body);* }, box ::ast::Noop));
[INFO] [stdout] 55 | |     ($cond:expr { $($body:expr;)* } else { $($elsebody:expr;)* }) => (::ast::If($cond, box ast_block!{ $($body);* }, box ast_block! { $($...
[INFO] [stdout] 56 | | )
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout] help: change the delimiters to curly braces
[INFO] [stdout]    |
[INFO] [stdout] 53 ~ macro_rules! ast_if {
[INFO] [stdout] 54 |     ($cond:expr { $($body:expr;)* }) => (::ast::If($cond, box ast_block! { $($body);* }, box ::ast::Noop));
[INFO] [stdout] 55 |     ($cond:expr { $($body:expr;)* } else { $($elsebody:expr;)* }) => (::ast::If($cond, box ast_block!{ $($body);* }, box ast_block! { $($elsebody);* }))
[INFO] [stdout] 56 + }
[INFO] [stdout]    |
[INFO] [stdout] help: add a semicolon
[INFO] [stdout]    |
[INFO] [stdout] 56 | );
[INFO] [stdout]    |  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: macros that expand to items must be delimited with braces or followed by a semicolon
[INFO] [stdout]   --> src/ast/mod.rs:59:24
[INFO] [stdout]    |
[INFO] [stdout] 59 |   macro_rules! format_cmd(
[INFO] [stdout]    |  ________________________^
[INFO] [stdout] 60 | |         ([$($opts:ident)|*], $($arg:tt)*) => (::ast::Cmd(::ast::Raw(format!($($arg)*)), vec![$(::ast::$opts),*]));
[INFO] [stdout] 61 | |         ($($arg:tt)*) => (::ast::Cmd(::ast::Raw(format!($($arg)*)), vec![]))
[INFO] [stdout] 62 | | )
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout] help: change the delimiters to curly braces
[INFO] [stdout]    |
[INFO] [stdout] 59 ~ macro_rules! format_cmd{
[INFO] [stdout] 60 |         ([$($opts:ident)|*], $($arg:tt)*) => (::ast::Cmd(::ast::Raw(format!($($arg)*)), vec![$(::ast::$opts),*]));
[INFO] [stdout] 61 |         ($($arg:tt)*) => (::ast::Cmd(::ast::Raw(format!($($arg)*)), vec![]))
[INFO] [stdout] 62 + }
[INFO] [stdout]    |
[INFO] [stdout] help: add a semicolon
[INFO] [stdout]    |
[INFO] [stdout] 62 | );
[INFO] [stdout]    |  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: macros that expand to items must be delimited with braces or followed by a semicolon
[INFO] [stdout]   --> src/ast/mod.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |   macro_rules! cmd(
[INFO] [stdout]    |  _________________^
[INFO] [stdout] 66 | |     ([$($opts:ident)|*], $cmd:expr) => (::ast::Cmd($cmd, vec![$(::ast::$opts),*]));
[INFO] [stdout] 67 | |     ($cmd:expr) => (::ast::Cmd($cmd, vec![]))
[INFO] [stdout] 68 | | )
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout] help: change the delimiters to curly braces
[INFO] [stdout]    |
[INFO] [stdout] 65 ~ macro_rules! cmd{
[INFO] [stdout] 66 |     ([$($opts:ident)|*], $cmd:expr) => (::ast::Cmd($cmd, vec![$(::ast::$opts),*]));
[INFO] [stdout] 67 |     ($cmd:expr) => (::ast::Cmd($cmd, vec![]))
[INFO] [stdout] 68 + }
[INFO] [stdout]    |
[INFO] [stdout] help: add a semicolon
[INFO] [stdout]    |
[INFO] [stdout] 68 | );
[INFO] [stdout]    |  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: macros that expand to items must be delimited with braces or followed by a semicolon
[INFO] [stdout]   --> src/ast/mod.rs:71:21
[INFO] [stdout]    |
[INFO] [stdout] 71 |   macro_rules! ast_set(
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 72 | |     ($key:ident = $value:expr) => (cmd!(ast::Envset(stringify!($key).to_string(), $value)));
[INFO] [stdout] 73 | | )
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout] help: change the delimiters to curly braces
[INFO] [stdout]    |
[INFO] [stdout] 71 ~ macro_rules! ast_set{
[INFO] [stdout] 72 |     ($key:ident = $value:expr) => (cmd!(ast::Envset(stringify!($key).to_string(), $value)));
[INFO] [stdout] 73 + }
[INFO] [stdout]    |
[INFO] [stdout] help: add a semicolon
[INFO] [stdout]    |
[INFO] [stdout] 73 | );
[INFO] [stdout]    |  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: macros that expand to items must be delimited with braces or followed by a semicolon
[INFO] [stdout]   --> src/ast/mod.rs:88:23
[INFO] [stdout]    |
[INFO] [stdout] 88 |   macro_rules! ast_block(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 89 | |     { $($x:expr);* } => (::ast::Statements(box vec![$($x),*]));
[INFO] [stdout] 90 | |     { $($x:expr;)* } => (ast_block! { $($x);* })
[INFO] [stdout] 91 | | )
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout] help: change the delimiters to curly braces
[INFO] [stdout]    |
[INFO] [stdout] 88 ~ macro_rules! ast_block{
[INFO] [stdout] 89 |     { $($x:expr);* } => (::ast::Statements(box vec![$($x),*]));
[INFO] [stdout] 90 |     { $($x:expr;)* } => (ast_block! { $($x);* })
[INFO] [stdout] 91 + }
[INFO] [stdout]    |
[INFO] [stdout] help: add a semicolon
[INFO] [stdout]    |
[INFO] [stdout] 91 | );
[INFO] [stdout]    |  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: macros that expand to items must be delimited with braces or followed by a semicolon
[INFO] [stdout]   --> src/payload.rs:43:22
[INFO] [stdout]    |
[INFO] [stdout] 43 |   macro_rules! json_to (
[INFO] [stdout]    |  ______________________^
[INFO] [stdout] 44 | |     ($r:expr, String) => ($r.as_string());
[INFO] [stdout] 45 | |     ($r:expr, bool) => ($r.as_boolean());
[INFO] [stdout] 46 | |     ($r:expr, u64) => ($r.as_u64());
[INFO] [stdout] 47 | |     ($r:expr, $t:ident) => (Some(try!($t::from_json($r))));
[INFO] [stdout] 48 | | )
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout] help: change the delimiters to curly braces
[INFO] [stdout]    |
[INFO] [stdout] 43 ~ macro_rules! json_to {
[INFO] [stdout] 44 |     ($r:expr, String) => ($r.as_string());
[INFO] [stdout] 45 |     ($r:expr, bool) => ($r.as_boolean());
[INFO] [stdout] 46 |     ($r:expr, u64) => ($r.as_u64());
[INFO] [stdout] 47 |     ($r:expr, $t:ident) => (Some(try!($t::from_json($r))));
[INFO] [stdout] 48 + }
[INFO] [stdout]    |
[INFO] [stdout] help: add a semicolon
[INFO] [stdout]    |
[INFO] [stdout] 48 | );
[INFO] [stdout]    |  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: macros that expand to items must be delimited with braces or followed by a semicolon
[INFO] [stdout]   --> src/payload.rs:50:23
[INFO] [stdout]    |
[INFO] [stdout] 50 |   macro_rules! find_key (
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 51 | |         ($j:expr, $t:ident, $key:expr) => (match $j.find(&*::std::string::as_string($key)) {
[INFO] [stdout] 52 | |             Some(v) => try!(json_to!(v, $t).ok_or(json::ApplicationError(format!("{} must be a string", $key)))),
[INFO] [stdout] 53 | |             None => return Err(json::MissingFieldError($key.to_string())),
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |         });
[INFO] [stdout] 60 | | )
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout] help: change the delimiters to curly braces
[INFO] [stdout]    |
[INFO] [stdout] 50 ~ macro_rules! find_key {
[INFO] [stdout] 51 |         ($j:expr, $t:ident, $key:expr) => (match $j.find(&*::std::string::as_string($key)) {
[INFO] [stdout] 52 |             Some(v) => try!(json_to!(v, $t).ok_or(json::ApplicationError(format!("{} must be a string", $key)))),
[INFO] [stdout] 53 |             None => return Err(json::MissingFieldError($key.to_string())),
[INFO] [stdout] 54 |         });
[INFO] [stdout] 55 |         ($j:expr, $t:ident, $key:expr, Optional) => (try!($j.find(&*::std::string::as_string($key)).map_or(Ok(None), |r| json_to!(r, $t).ok_or(json::ApplicationError(format!("{} must be a string", $key))).map(Some))));
[INFO] [stdout]  ...
[INFO] [stdout] help: add a semicolon
[INFO] [stdout]    |
[INFO] [stdout] 60 | );
[INFO] [stdout]    |  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `serialize`
[INFO] [stdout]  --> src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | extern crate serialize;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `$cond:expr` is followed by `{`, which is not allowed for `expr` fragments
[INFO] [stdout]   --> src/ast/mod.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |     ($cond:expr { $($body:expr;)* }) => (::ast::If($cond, box ast_block! { $($body);* }, box ::ast::Noop));
[INFO] [stdout]    |                 ^ not allowed after `expr` fragments
[INFO] [stdout]    |
[INFO] [stdout]    = note: allowed there are: `=>`, `,` or `;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `$cond:expr` is followed by `{`, which is not allowed for `expr` fragments
[INFO] [stdout]   --> src/ast/mod.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |     ($cond:expr { $($body:expr;)* } else { $($elsebody:expr;)* }) => (::ast::If($cond, box ast_block!{ $($body);* }, box ast_block! { $($...
[INFO] [stdout]    |                 ^ not allowed after `expr` fragments
[INFO] [stdout]    |
[INFO] [stdout]    = note: allowed there are: `=>`, `,` or `;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_escape]` is a deprecated synonym for `#[macro_use]`
[INFO] [stdout]  --> src/ast/mod.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![macro_escape]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: try an outer attribute: `#[macro_use]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::string::as_string`
[INFO] [stdout]  --> src/payload.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::string::as_string;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^ no `as_string` in `string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `license` in this scope
[INFO] [stdout]  --> src/lib.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![license = "MIT"]
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `comment` in this scope
[INFO] [stdout]  --> src/lib.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![comment = "Travis Build generates build scripts"]
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `experimental` in this scope
[INFO] [stdout]  --> src/lib.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![experimental]
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `deriving` in this scope
[INFO] [stdout]  --> src/ast/mod.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[deriving(Clone)]
[INFO] [stdout]   |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `deriving` in this scope
[INFO] [stdout]   --> src/ast/mod.rs:15:3
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[deriving(Clone, Show)]
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `deriving` in this scope
[INFO] [stdout]   --> src/ast/mod.rs:27:3
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[deriving(Clone)]
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `deriving` in this scope
[INFO] [stdout]   --> src/ast/mod.rs:38:3
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[deriving(Clone)]
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Path` in this scope
[INFO] [stdout]   --> src/components/git.rs:37:35
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn git_path(payload: &Payload) -> Path {
[INFO] [stdout]    |                                   ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::path::Path;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: tuple struct constructor `Rust` is private
[INFO] [stdout]   --> src/languages/mod.rs:15:25
[INFO] [stdout]    |
[INFO] [stdout] 15 |         "rust" => rust::Rust(payload),
[INFO] [stdout]    |                         ^^^^ private tuple struct constructor
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/languages/rust.rs:3:21
[INFO] [stdout]    |
[INFO] [stdout] 3  | pub struct Rust<'a>(&'a Payload);
[INFO] [stdout]    |                     ----------- a constructor is private if any of the fields is private
[INFO] [stdout]    |
[INFO] [stdout] note: the tuple struct constructor `Rust` is defined here
[INFO] [stdout]   --> src/languages/rust.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | pub struct Rust<'a>(&'a Payload);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(macro_rules)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `macro_rules` has been stable since 1.0.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: box expression syntax is experimental; you can call `Box::new` instead
[INFO] [stdout]    --> src/ast/mod.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |         Not(box clone)
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: box expression syntax is experimental; you can call `Box::new` instead
[INFO] [stdout]   --> src/ast/mod.rs:89:44
[INFO] [stdout]    |
[INFO] [stdout] 89 |       { $($x:expr);* } => (::ast::Statements(box vec![$($x),*]));
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/script.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | /         ast_block! {
[INFO] [stdout] 29 | |             self.builtin_stages_ast();
[INFO] [stdout] 30 | |             self.custom_stages_ast();
[INFO] [stdout] 31 | |         }
[INFO] [stdout]    | |_________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stdout]    = note: this error originates in the macro `ast_block` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: box expression syntax is experimental; you can call `Box::new` instead
[INFO] [stdout]   --> src/ast/mod.rs:89:44
[INFO] [stdout]    |
[INFO] [stdout] 89 |       { $($x:expr);* } => (::ast::Statements(box vec![$($x),*]));
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/script.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | /         ast_block! {
[INFO] [stdout] 36 | |             self.apply_fixes();
[INFO] [stdout] 37 | |             components::git::git_checkout_ast(&self.payload);
[INFO] [stdout] 38 | |             components::services::start_services_ast(&self.payload);
[INFO] [stdout] 39 | |             self.enable_paranoid_mode();
[INFO] [stdout] 40 | |             self.export_vars();
[INFO] [stdout] 41 | |         }
[INFO] [stdout]    | |_________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stdout]    = note: this error originates in the macro `ast_block` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: box expression syntax is experimental; you can call `Box::new` instead
[INFO] [stdout]   --> src/ast/mod.rs:89:44
[INFO] [stdout]    |
[INFO] [stdout] 89 |       { $($x:expr);* } => (::ast::Statements(box vec![$($x),*]));
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/script.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 | / ...   ast_block! {
[INFO] [stdout] 50 | | ...       if self.payload.fix_resolv_conf {
[INFO] [stdout] 51 | | ...           format_cmd!("grep '199.91.168' /etc/resolv.conf > /dev/null || echo 'nameserver 199.91.168.70\nnameserver 199.91.168.71' | ...
[INFO] [stdout] 52 | | ...       } else {
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | | ...       };
[INFO] [stdout] 60 | | ...   }
[INFO] [stdout]    | |_______- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stdout]    = note: this error originates in the macro `ast_block` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: box expression syntax is experimental; you can call `Box::new` instead
[INFO] [stdout]   --> src/ast/mod.rs:89:44
[INFO] [stdout]    |
[INFO] [stdout] 89 |       { $($x:expr);* } => (::ast::Statements(box vec![$($x),*]));
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/script.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 | / ...   ast_block! {
[INFO] [stdout] 69 | | ...       cmd!(ast::Newline);
[INFO] [stdout] 70 | | ...       cmd!(ast::Echo("Sudo, the Firefox addon, setuid and setgid have been disabled.".to_string()));
[INFO] [stdout] 71 | | ...       format_cmd!("sudo -n sh -c \"sed -e \\'s/^%.*//\\' -i.bak /etc/sudoers && rm -f /etc/sudoers.d/travis && find / -perm -4000 -ex...
[INFO] [stdout] 72 | | ...   }
[INFO] [stdout]    | |_______- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stdout]    = note: this error originates in the macro `ast_block` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: box expression syntax is experimental; you can call `Box::new` instead
[INFO] [stdout]   --> src/ast/mod.rs:89:44
[INFO] [stdout]    |
[INFO] [stdout] 89 |       { $($x:expr);* } => (::ast::Statements(box vec![$($x),*]));
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/script.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 | /         ast_block! {
[INFO] [stdout] 77 | |             ast_set!(TRAVIS = "true".to_string());
[INFO] [stdout] 78 | |             ast_set!(CI = "true".to_string());
[INFO] [stdout] 79 | |             ast_set!(CONTINUOUS_INTEGRATION = "true".to_string());
[INFO] [stdout] 80 | |             ast_set!(HAS_JOSH_K_SEAL_OF_APPROVAL = "true".to_string());
[INFO] [stdout] 81 | |         }
[INFO] [stdout]    | |_________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stdout]    = note: this error originates in the macro `ast_block` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: box expression syntax is experimental; you can call `Box::new` instead
[INFO] [stdout]   --> src/ast/mod.rs:89:44
[INFO] [stdout]    |
[INFO] [stdout] 89 |       { $($x:expr);* } => (::ast::Statements(box vec![$($x),*]));
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/components/git.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | /     ast_block!(
[INFO] [stdout] 7  | |         cmd!(ast::Mkdir(Path::new("/home/travis/build")));
[INFO] [stdout] 8  | |         cmd!(ast::Cd(Path::new("build")));
[INFO] [stdout] 9  | |         ast_set!(GIT_ASKPASS = "echo".to_string());
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         };
[INFO] [stdout] 34 | |     )
[INFO] [stdout]    | |_____- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stdout]    = note: this error originates in the macro `ast_block` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: box expression syntax is experimental; you can call `Box::new` instead
[INFO] [stdout]   --> src/components/services.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ast::Statements(box stmts)
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 30 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0432, E0463, E0554, E0603, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `travis_build`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name travis_build src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=8d84bf271d4921cd -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.0.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "976fff96ded4df13676b92d7fac21d7015224154d9cf0b38914538b86ad90fb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "976fff96ded4df13676b92d7fac21d7015224154d9cf0b38914538b86ad90fb9", kill_on_drop: false }`
[INFO] [stdout] 976fff96ded4df13676b92d7fac21d7015224154d9cf0b38914538b86ad90fb9