[INFO] fetching crate nailgun 0.1.0...
[INFO] testing nailgun-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate nailgun 0.1.0 into /workspace/builds/worker-75/source
[INFO] validating manifest of crates.io crate nailgun 0.1.0 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] started tweaking crates.io crate nailgun 0.1.0
[INFO] finished tweaking crates.io crate nailgun 0.1.0
[INFO] tweaked toml for crates.io crate nailgun 0.1.0 written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] 0a81deb04365b08d297d557304b2c4522a2dd46d4245b652e42e532d06ef0b28
[INFO] running `Command { std: "docker" "start" "-a" "0a81deb04365b08d297d557304b2c4522a2dd46d4245b652e42e532d06ef0b28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a81deb04365b08d297d557304b2c4522a2dd46d4245b652e42e532d06ef0b28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a81deb04365b08d297d557304b2c4522a2dd46d4245b652e42e532d06ef0b28", kill_on_drop: false }`
[INFO] [stdout] 0a81deb04365b08d297d557304b2c4522a2dd46d4245b652e42e532d06ef0b28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] a616f95ff0e8eaeafeb0008b2773acd59e45407d4ba63dd0d7bd50476f2e8ee1
[INFO] running `Command { std: "docker" "start" "-a" "a616f95ff0e8eaeafeb0008b2773acd59e45407d4ba63dd0d7bd50476f2e8ee1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling nailgun v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Result`
[INFO] [stdout]   --> inlined_parser.rs:27:20
[INFO] [stdout]    |
[INFO] [stdout] 27 |     use std::fmt::{Result};
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> inlined_parser.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         try!( write!( formatter, " " ) )
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> inlined_parser.rs:4:9
[INFO] [stdout]    |
[INFO] [stdout] 4  | #![deny(deprecated)]
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> inlined_parser.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |         try!( indent( formatter, indent_spaces ) );
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> inlined_parser.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |         try!( write!( formatter,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> inlined_parser.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 try!( writeln!( formatter,
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> inlined_parser.rs:115:17
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 try!( writeln!( formatter,
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> inlined_parser.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |             try!( writeln!( formatter, "" ) );
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> inlined_parser.rs:124:15
[INFO] [stdout]     |
[INFO] [stdout] 124 |               try!( child.format( formatter, indent_spaces + 1) )
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `and`
[INFO] [stdout]    --> inlined_parser.rs:400:18
[INFO] [stdout]     |
[INFO] [stdout] 400 |     macro_rules! and( ( $ex:expr ) => ( &base::And::new( $ex ) ); );
[INFO] [stdout]     |                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> inlined_parser.rs:374:19
[INFO] [stdout]     |
[INFO] [stdout] 374 |       expr: &'a ( Expression + 'a )
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 374 -       expr: &'a ( Expression + 'a )
[INFO] [stdout] 374 +       expr: &'a ( dyn Expression + 'a )
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> inlined_parser.rs:403:19
[INFO] [stdout]     |
[INFO] [stdout] 403 |       expr: &'a ( Expression + 'a )
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 403 -       expr: &'a ( Expression + 'a )
[INFO] [stdout] 403 +       expr: &'a ( dyn Expression + 'a )
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> inlined_parser.rs:454:19
[INFO] [stdout]     |
[INFO] [stdout] 454 |       expr: &'a ( Expression + 'a )
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 454 -       expr: &'a ( Expression + 'a )
[INFO] [stdout] 454 +       expr: &'a ( dyn Expression + 'a )
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> inlined_parser.rs:480:19
[INFO] [stdout]     |
[INFO] [stdout] 480 |       expr: &'a ( Expression + 'a )
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 480 -       expr: &'a ( Expression + 'a )
[INFO] [stdout] 480 +       expr: &'a ( dyn Expression + 'a )
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> inlined_parser.rs:515:19
[INFO] [stdout]     |
[INFO] [stdout] 515 |       expr: &'a ( Expression + 'a )
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 515 -       expr: &'a ( Expression + 'a )
[INFO] [stdout] 515 +       expr: &'a ( dyn Expression + 'a )
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> inlined_parser.rs:558:24
[INFO] [stdout]     |
[INFO] [stdout] 558 |       exprs: &'a [&'a (Expression + 'a)]
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 558 -       exprs: &'a [&'a (Expression + 'a)]
[INFO] [stdout] 558 +       exprs: &'a [&'a (dyn Expression + 'a)]
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> inlined_parser.rs:589:19
[INFO] [stdout]     |
[INFO] [stdout] 589 |       expr: &'a ( Expression + 'a )
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 589 -       expr: &'a ( Expression + 'a )
[INFO] [stdout] 589 +       expr: &'a ( dyn Expression + 'a )
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> inlined_parser.rs:616:24
[INFO] [stdout]     |
[INFO] [stdout] 616 |       exprs: &'a [&'a (Expression + 'a)]
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 616 -       exprs: &'a [&'a (Expression + 'a)]
[INFO] [stdout] 616 +       exprs: &'a [&'a (dyn Expression + 'a)]
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> inlined_parser.rs:379:26
[INFO] [stdout]     |
[INFO] [stdout] 379 |       pub fn new( expr: &Expression ) -> NotEx {
[INFO] [stdout]     |                          ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 -       pub fn new( expr: &Expression ) -> NotEx {
[INFO] [stdout] 379 +       pub fn new( expr: &dyn Expression ) -> NotEx {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> inlined_parser.rs:408:26
[INFO] [stdout]     |
[INFO] [stdout] 408 |       pub fn new( expr: &Expression ) -> And {
[INFO] [stdout]     |                          ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 408 -       pub fn new( expr: &Expression ) -> And {
[INFO] [stdout] 408 +       pub fn new( expr: &dyn Expression ) -> And {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> inlined_parser.rs:459:26
[INFO] [stdout]     |
[INFO] [stdout] 459 |       pub fn new( expr: &Expression ) -> OptionEx {
[INFO] [stdout]     |                          ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 459 -       pub fn new( expr: &Expression ) -> OptionEx {
[INFO] [stdout] 459 +       pub fn new( expr: &dyn Expression ) -> OptionEx {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> inlined_parser.rs:485:26
[INFO] [stdout]     |
[INFO] [stdout] 485 |       pub fn new( expr: &Expression ) -> Star {
[INFO] [stdout]     |                          ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 485 -       pub fn new( expr: &Expression ) -> Star {
[INFO] [stdout] 485 +       pub fn new( expr: &dyn Expression ) -> Star {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> inlined_parser.rs:520:26
[INFO] [stdout]     |
[INFO] [stdout] 520 |       pub fn new( expr: &Expression ) -> Plus {
[INFO] [stdout]     |                          ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 520 -       pub fn new( expr: &Expression ) -> Plus {
[INFO] [stdout] 520 +       pub fn new( expr: &dyn Expression ) -> Plus {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> inlined_parser.rs:563:36
[INFO] [stdout]     |
[INFO] [stdout] 563 |       pub fn new<'a>( exprs: &'a [&Expression] ) -> Or<'a> {
[INFO] [stdout]     |                                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 563 -       pub fn new<'a>( exprs: &'a [&Expression] ) -> Or<'a> {
[INFO] [stdout] 563 +       pub fn new<'a>( exprs: &'a [&dyn Expression] ) -> Or<'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> inlined_parser.rs:594:27
[INFO] [stdout]     |
[INFO] [stdout] 594 |       pub fn new( expr: & Expression ) -> Fuse {
[INFO] [stdout]     |                           ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 594 -       pub fn new( expr: & Expression ) -> Fuse {
[INFO] [stdout] 594 +       pub fn new( expr: & dyn Expression ) -> Fuse {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> inlined_parser.rs:621:36
[INFO] [stdout]     |
[INFO] [stdout] 621 |       pub fn new<'a>( exprs: &'a [&Expression] ) -> Sequence<'a> {
[INFO] [stdout]     |                                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 621 -       pub fn new<'a>( exprs: &'a [&Expression] ) -> Sequence<'a> {
[INFO] [stdout] 621 +       pub fn new<'a>( exprs: &'a [&dyn Expression] ) -> Sequence<'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> nailgun.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(collections)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> nailgun.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(unicode)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> nailgun.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(slice_patterns)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> nailgun.rs:120:3
[INFO] [stdout]     |
[INFO] [stdout] 120 |   try!( File::create( &code_file ).and_then( |mut file| {
[INFO] [stdout]     |   ^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> nailgun.rs:19:9
[INFO] [stdout]     |
[INFO] [stdout] 19  | #![deny(deprecated)]
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> nailgun.rs:124:16
[INFO] [stdout]     |
[INFO] [stdout] 124 |   let status = try!( Command::new( "rustc" ).arg( "-o" )
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> nailgun.rs:134:16
[INFO] [stdout]     |
[INFO] [stdout] 134 |   let output = try!( Command::new( printer.to_str().unwrap() )
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]   --> generator/mod.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::ascii::AsciiExt;
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> nailgun.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(slice_patterns)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> nailgun.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(collections)]
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> nailgun.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(unicode)]
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `collections`
[INFO] [stdout]   --> nailgun.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(collections)]
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `unicode`
[INFO] [stdout]   --> nailgun.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(unicode)]
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |           if isHex( c1 ) && isHex( c2 ) && isHex( c3 ) && isHex( c4 ) => {
[INFO] [stdout]    |                     ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 32 |           if isHex( *c1 ) && isHex( c2 ) && isHex( c3 ) && isHex( c4 ) => {
[INFO] [stdout]    |                     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:32:36
[INFO] [stdout]    |
[INFO] [stdout] 32 |           if isHex( c1 ) && isHex( c2 ) && isHex( c3 ) && isHex( c4 ) => {
[INFO] [stdout]    |                                    ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 32 |           if isHex( c1 ) && isHex( *c2 ) && isHex( c3 ) && isHex( c4 ) => {
[INFO] [stdout]    |                                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:32:51
[INFO] [stdout]    |
[INFO] [stdout] 32 |           if isHex( c1 ) && isHex( c2 ) && isHex( c3 ) && isHex( c4 ) => {
[INFO] [stdout]    |                                                   ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 32 |           if isHex( c1 ) && isHex( c2 ) && isHex( *c3 ) && isHex( c4 ) => {
[INFO] [stdout]    |                                                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |           if isHex( c1 ) && isHex( c2 ) && isHex( c3 ) && isHex( c4 ) => {
[INFO] [stdout]    |                                                                  ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 32 |           if isHex( c1 ) && isHex( c2 ) && isHex( c3 ) && isHex( *c4 ) => {
[INFO] [stdout]    |                                                                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         final_bytes = addFourBytesAsCodepoint( final_bytes, [c1, c2, c3, c4] );
[INFO] [stdout]    |                                                              ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 33 |         final_bytes = addFourBytesAsCodepoint( final_bytes, [*c1, c2, c3, c4] );
[INFO] [stdout]    |                                                              +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 |           if isHex( c1 ) && isHex( c2 ) => {
[INFO] [stdout]    |                     ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 37 |           if isHex( *c1 ) && isHex( c2 ) => {
[INFO] [stdout]    |                     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:37:36
[INFO] [stdout]    |
[INFO] [stdout] 37 |           if isHex( c1 ) && isHex( c2 ) => {
[INFO] [stdout]    |                                    ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 37 |           if isHex( c1 ) && isHex( *c2 ) => {
[INFO] [stdout]    |                                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:38:55
[INFO] [stdout]    |
[INFO] [stdout] 38 |         final_bytes = addTwoBytesAsHex( final_bytes, [c1, c2] );
[INFO] [stdout]    |                                                       ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 38 |         final_bytes = addTwoBytesAsHex( final_bytes, [*c1, c2] );
[INFO] [stdout]    |                                                       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:42:23
[INFO] [stdout]    |
[INFO] [stdout] 42 |           if isOctal( c1 ) && isOctal( c2 ) && isOctal( c3 ) => {
[INFO] [stdout]    |                       ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 42 |           if isOctal( *c1 ) && isOctal( c2 ) && isOctal( c3 ) => {
[INFO] [stdout]    |                       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:42:40
[INFO] [stdout]    |
[INFO] [stdout] 42 |           if isOctal( c1 ) && isOctal( c2 ) && isOctal( c3 ) => {
[INFO] [stdout]    |                                        ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 42 |           if isOctal( c1 ) && isOctal( *c2 ) && isOctal( c3 ) => {
[INFO] [stdout]    |                                        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:42:57
[INFO] [stdout]    |
[INFO] [stdout] 42 |           if isOctal( c1 ) && isOctal( c2 ) && isOctal( c3 ) => {
[INFO] [stdout]    |                                                         ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 42 |           if isOctal( c1 ) && isOctal( c2 ) && isOctal( *c3 ) => {
[INFO] [stdout]    |                                                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:43:59
[INFO] [stdout]    |
[INFO] [stdout] 43 |         final_bytes = addThreeBytesAsOctal( final_bytes, [c1, c2, c3] );
[INFO] [stdout]    |                                                           ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 43 |         final_bytes = addThreeBytesAsOctal( final_bytes, [*c1, c2, c3] );
[INFO] [stdout]    |                                                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:47:52
[INFO] [stdout]    |
[INFO] [stdout] 47 |         final_bytes = addEscapedByte( final_bytes, c );
[INFO] [stdout]    |                                                    ^ expected `u8`, found `&u8`
[INFO] [stdout]    |
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 47 |         final_bytes = addEscapedByte( final_bytes, *c );
[INFO] [stdout]    |                                                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:51:27
[INFO] [stdout]    |
[INFO] [stdout] 51 |         final_bytes.push( c );
[INFO] [stdout]    |                           ^ expected `u8`, found `&u8`
[INFO] [stdout]    |
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 51 |         final_bytes.push( *c );
[INFO] [stdout]    |                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for mutable reference `&mut str` in the current scope
[INFO] [stdout]   --> generator/unescape.rs:83:67
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let num_written = character.encode_utf8( &mut utf8chars ).unwrap();
[INFO] [stdout]    |                                                                   ^^^^^^ method not found in `&mut str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_str` found for struct `String` in the current scope
[INFO] [stdout]   --> generator/mod.rs:40:22
[INFO] [stdout]    |
[INFO] [stdout] 40 |     "DOT" => String::from_str( "&base::Dot" ),
[INFO] [stdout]    |                      ^^^^^^^^ function or associated item not found in `String`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::str::FromStr;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_str` found for struct `String` in the current scope
[INFO] [stdout]   --> generator/mod.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     "ARROW" => String::from_str( " <- " ),
[INFO] [stdout]    |                        ^^^^^^^^ function or associated item not found in `String`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::str::FromStr;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_str` found for struct `String` in the current scope
[INFO] [stdout]   --> generator/mod.rs:42:24
[INFO] [stdout]    |
[INFO] [stdout] 42 |     "SLASH" => String::from_str( ", " ),
[INFO] [stdout]    |                        ^^^^^^^^ function or associated item not found in `String`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::str::FromStr;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_str` found for struct `String` in the current scope
[INFO] [stdout]    --> generator/mod.rs:113:30
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let mut output = String::from_str( "seq!( " );
[INFO] [stdout]     |                              ^^^^^^^^ function or associated item not found in `String`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 14  | use std::str::FromStr;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `slice_chars` found for struct `String` in the current scope
[INFO] [stdout]    --> generator/mod.rs:191:28
[INFO] [stdout]     |
[INFO] [stdout] 191 |     &unescapeString( &full.slice_chars( 1, full.len() - 1 ) ) );
[INFO] [stdout]     |                            ^^^^^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `tail` found for struct `Vec<String>` in the current scope
[INFO] [stdout]    --> nailgun.rs:155:34
[INFO] [stdout]     |
[INFO] [stdout] 155 |   let matches = opts.parse( args.tail() ).unwrap();
[INFO] [stdout]     |                                  ^^^^ method not found in `Vec<String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]   --> generator/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::ascii::AsciiExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 28 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0554, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nailgun` due to 29 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a616f95ff0e8eaeafeb0008b2773acd59e45407d4ba63dd0d7bd50476f2e8ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a616f95ff0e8eaeafeb0008b2773acd59e45407d4ba63dd0d7bd50476f2e8ee1", kill_on_drop: false }`
[INFO] [stdout] a616f95ff0e8eaeafeb0008b2773acd59e45407d4ba63dd0d7bd50476f2e8ee1