[INFO] cloning repository https://github.com/SvantjeJung/battleship
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SvantjeJung/battleship" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSvantjeJung%2Fbattleship", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSvantjeJung%2Fbattleship'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e3b1c01abd3ec5c589da875097848bbee85b6cc
[INFO] checking SvantjeJung/battleship against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSvantjeJung%2Fbattleship" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SvantjeJung/battleship on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SvantjeJung/battleship
[INFO] finished tweaking git repo https://github.com/SvantjeJung/battleship
[INFO] tweaked toml for git repo https://github.com/SvantjeJung/battleship written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SvantjeJung/battleship already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chan v0.1.19
[INFO] [stderr]   Downloaded serde v0.9.6
[INFO] [stderr]   Downloaded term_size v0.2.2
[INFO] [stderr]   Downloaded ctrlc v3.0.0
[INFO] [stderr]   Downloaded serde_derive v0.9.6
[INFO] [stderr]   Downloaded serde_codegen_internals v0.13.0
[INFO] [stderr]   Downloaded term v0.4.5
[INFO] [stderr]   Downloaded bincode v1.0.0-alpha1
[INFO] [stderr]   Downloaded clap v2.20.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f076030a638adf77404d44297f4cc8ded10375c542dc299b6e1673d351530258
[INFO] running `Command { std: "docker" "start" "-a" "f076030a638adf77404d44297f4cc8ded10375c542dc299b6e1673d351530258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f076030a638adf77404d44297f4cc8ded10375c542dc299b6e1673d351530258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f076030a638adf77404d44297f4cc8ded10375c542dc299b6e1673d351530258", kill_on_drop: false }`
[INFO] [stdout] f076030a638adf77404d44297f4cc8ded10375c542dc299b6e1673d351530258
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5891be0ab0743871dcba121b2e59a6a16cdd89caf50366afb3a87c0b2c5388e
[INFO] running `Command { std: "docker" "start" "-a" "f5891be0ab0743871dcba121b2e59a6a16cdd89caf50366afb3a87c0b2c5388e", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling quote v0.3.12
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking unicode-segmentation v1.1.0
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]     Checking term v0.4.5
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking serde v0.9.6
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking bufstream v0.1.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling syn v0.11.4
[INFO] [stderr]     Checking term-painter v0.2.3
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking term_size v0.2.2
[INFO] [stderr]     Checking clap v2.20.3
[INFO] [stderr]     Checking ctrlc v3.0.0
[INFO] [stderr]     Checking chan v0.1.19
[INFO] [stderr]    Compiling serde_codegen_internals v0.13.0
[INFO] [stderr]    Compiling serde_derive v0.9.6
[INFO] [stderr]     Checking bincode v1.0.0-alpha1
[INFO] [stderr]     Checking battleship v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/model/mod.rs:656:13
[INFO] [stdout]     |
[INFO] [stdout] 656 |         'a' ... 'j' => true,
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[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]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/model/mod.rs:664:13
[INFO] [stdout]     |
[INFO] [stdout] 664 |         '0' ... '9' => true,
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |       ///                                Command Line Interface                                   ///
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 27 |       ///////////////////////////////////////////////////////////////////////////////////////////////
[INFO] [stdout] 28 | /     let battleship = clap_app!(battleship =>
[INFO] [stdout] 29 | |         (version: crate_version!())
[INFO] [stdout] 30 | |         (author: crate_authors!())
[INFO] [stdout] 31 | |         (about: "Two player battleship game")
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |         .setting(AppSettings::SubcommandRequired)
[INFO] [stdout] 62 | |         .get_matches();
[INFO] [stdout]    | |_______________________- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/model/mod.rs:656:13
[INFO] [stdout]     |
[INFO] [stdout] 656 |         'a' ... 'j' => true,
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[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]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     ///                                         Start                                           ///
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 66 |     ///////////////////////////////////////////////////////////////////////////////////////////////
[INFO] [stdout] 67 |     Yellow.with(|| println!("Welcome to a round of 'battleship'"));
[INFO] [stdout]    |     -------------------------------------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/model/mod.rs:664:13
[INFO] [stdout]     |
[INFO] [stdout] 664 |         '0' ... '9' => true,
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |       ///                                Command Line Interface                                   ///
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 27 |       ///////////////////////////////////////////////////////////////////////////////////////////////
[INFO] [stdout] 28 | /     let battleship = clap_app!(battleship =>
[INFO] [stdout] 29 | |         (version: crate_version!())
[INFO] [stdout] 30 | |         (author: crate_authors!())
[INFO] [stdout] 31 | |         (about: "Two player battleship game")
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |         .setting(AppSettings::SubcommandRequired)
[INFO] [stdout] 62 | |         .get_matches();
[INFO] [stdout]    | |_______________________- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     ///                                         Start                                           ///
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 66 |     ///////////////////////////////////////////////////////////////////////////////////////////////
[INFO] [stdout] 67 |     Yellow.with(|| println!("Welcome to a round of 'battleship'"));
[INFO] [stdout]    |     -------------------------------------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/util.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let new_len = buffer.trim_right().len();
[INFO] [stdout]    |                          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let new_len = buffer.trim_end().len();
[INFO] [stdout]    |                          ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/util.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let new_len = buffer.trim_right().len();
[INFO] [stdout]    |                          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let new_len = buffer.trim_end().len();
[INFO] [stdout]    |                          ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/net/mod.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn send(mut stream: &mut TcpStream, msg: types::MessageType) {
[INFO] [stdout]   |             ----^^^^^^
[INFO] [stdout]   |             |
[INFO] [stdout]   |             help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/net/mod.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn send(mut stream: &mut TcpStream, msg: types::MessageType) {
[INFO] [stdout]   |             ----^^^^^^
[INFO] [stdout]   |             |
[INFO] [stdout]   |             help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_input` is never used
[INFO] [stdout]    --> src/model/mod.rs:585:4
[INFO] [stdout]     |
[INFO] [stdout] 585 | fn get_input() -> usize {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_input` is never used
[INFO] [stdout]    --> src/model/mod.rs:585:4
[INFO] [stdout]     |
[INFO] [stdout] 585 | fn get_input() -> usize {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `empty` is never used
[INFO] [stdout]   --> src/model/types.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl Board {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 95 |     pub fn empty(board: &[[SubField; 10]; 10]) -> bool {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `empty` is never used
[INFO] [stdout]   --> src/model/types.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl Board {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 95 |     pub fn empty(board: &[[SubField; 10]; 10]) -> bool {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.11.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "f5891be0ab0743871dcba121b2e59a6a16cdd89caf50366afb3a87c0b2c5388e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5891be0ab0743871dcba121b2e59a6a16cdd89caf50366afb3a87c0b2c5388e", kill_on_drop: false }`
[INFO] [stdout] f5891be0ab0743871dcba121b2e59a6a16cdd89caf50366afb3a87c0b2c5388e
