[INFO] updating cached repository SvantjeJung/battleship
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/SvantjeJung/battleship
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/SvantjeJung/battleship" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/SvantjeJung/battleship"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/SvantjeJung/battleship'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/SvantjeJung/battleship" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/SvantjeJung/battleship"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/SvantjeJung/battleship'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2e3b1c01abd3ec5c589da875097848bbee85b6cc
[INFO] sha for GitHub repo SvantjeJung/battleship: 2e3b1c01abd3ec5c589da875097848bbee85b6cc
[INFO] validating manifest of SvantjeJung/battleship on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of SvantjeJung/battleship on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing SvantjeJung/battleship
[INFO] finished frobbing SvantjeJung/battleship
[INFO] frobbed toml for SvantjeJung/battleship written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/SvantjeJung/battleship/Cargo.toml
[INFO] started frobbing SvantjeJung/battleship
[INFO] finished frobbing SvantjeJung/battleship
[INFO] frobbed toml for SvantjeJung/battleship written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/SvantjeJung/battleship/Cargo.toml
[INFO] crate SvantjeJung/battleship already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking SvantjeJung/battleship against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-2/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/SvantjeJung/battleship:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 73eccc4746d512bda5df75f9613aaad91e290de845cedff8f9c213f360b22ce7
[INFO] running `"docker" "start" "-a" "73eccc4746d512bda5df75f9613aaad91e290de845cedff8f9c213f360b22ce7"`
[INFO] [stderr]     Checking bincode v1.0.0-alpha1
[INFO] [stderr]     Checking term-painter v0.2.3
[INFO] [stderr]     Checking chan v0.1.19
[INFO] [stderr]     Checking ctrlc v3.0.0
[INFO] [stderr]     Checking battleship v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |       ///                                Command Line Interface                                   ///
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 27 |       ///////////////////////////////////////////////////////////////////////////////////////////////
[INFO] [stderr] 28 | /     let battleship = clap_app!(battleship =>
[INFO] [stderr] 29 | |         (version: crate_version!())
[INFO] [stderr] 30 | |         (author: crate_authors!())
[INFO] [stderr] 31 | |         (about: "Two player battleship game")
[INFO] [stderr] ...  |
[INFO] [stderr] 61 | |         .setting(AppSettings::SubcommandRequired)
[INFO] [stderr] 62 | |         .get_matches();
[INFO] [stderr]    | |_______________________- rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/main.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     ///                                         Start                                           ///
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 66 |     ///////////////////////////////////////////////////////////////////////////////////////////////
[INFO] [stderr] 67 |     Yellow.with(|| println!("Welcome to a round of 'battleship'"));
[INFO] [stderr]    |     -------------------------------------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |       ///                                Command Line Interface                                   ///
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 27 |       ///////////////////////////////////////////////////////////////////////////////////////////////
[INFO] [stderr] 28 | /     let battleship = clap_app!(battleship =>
[INFO] [stderr] 29 | |         (version: crate_version!())
[INFO] [stderr] 30 | |         (author: crate_authors!())
[INFO] [stderr] 31 | |         (about: "Two player battleship game")
[INFO] [stderr] ...  |
[INFO] [stderr] 61 | |         .setting(AppSettings::SubcommandRequired)
[INFO] [stderr] 62 | |         .get_matches();
[INFO] [stderr]    | |_______________________- rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/main.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     ///                                         Start                                           ///
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 66 |     ///////////////////////////////////////////////////////////////////////////////////////////////
[INFO] [stderr] 67 |     Yellow.with(|| println!("Welcome to a round of 'battleship'"));
[INFO] [stderr]    |     -------------------------------------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr] 
[INFO] [stderr] error: missing fragment specifier
[INFO] [stderr]   --> <::clap::macros::clap_app macros>:87:47
[INFO] [stderr]    |
[INFO] [stderr] 87 | @ arg ( $ arg : expr ) $ modes : tt ! $ ident $ ( $ tail : tt ) * ) => {
[INFO] [stderr]    |                                               ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(missing_fragment_specifier)] on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #40107 <https://github.com/rust-lang/rust/issues/40107>
[INFO] [stderr] 
[INFO] [stderr] error: missing fragment specifier
[INFO] [stderr]   --> <::clap::macros::clap_app macros>:87:47
[INFO] [stderr]    |
[INFO] [stderr] 87 | @ arg ( $ arg : expr ) $ modes : tt ! $ ident $ ( $ tail : tt ) * ) => {
[INFO] [stderr]    |                                               ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(missing_fragment_specifier)] on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #40107 <https://github.com/rust-lang/rust/issues/40107>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/util.rs:12:26
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let new_len = buffer.trim_right().len();
[INFO] [stderr]    |                          ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/util.rs:12:26
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let new_len = buffer.trim_right().len();
[INFO] [stderr]    |                          ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `battleship`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `battleship`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "73eccc4746d512bda5df75f9613aaad91e290de845cedff8f9c213f360b22ce7"`
[INFO] running `"docker" "rm" "-f" "73eccc4746d512bda5df75f9613aaad91e290de845cedff8f9c213f360b22ce7"`
[INFO] [stdout] 73eccc4746d512bda5df75f9613aaad91e290de845cedff8f9c213f360b22ce7