[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 try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSvantjeJung%2Fbattleship" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SvantjeJung/battleship on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", 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-14/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: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chan v0.1.19
[INFO] [stderr]   Downloaded clap v2.20.3
[INFO] [stderr]   Downloaded term_size v0.2.2
[INFO] [stderr]   Downloaded bufstream v0.1.2
[INFO] [stderr]   Downloaded unicode-segmentation v1.1.0
[INFO] [stderr]   Downloaded serde_derive v0.9.6
[INFO] [stderr]   Downloaded ctrlc v3.0.0
[INFO] [stderr]   Downloaded serde v0.9.6
[INFO] [stderr]   Downloaded bincode v1.0.0-alpha1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 193f2c267216912c7efa09346f57e22d2aaf7247ff6709f1c515252708cf50a1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "193f2c267216912c7efa09346f57e22d2aaf7247ff6709f1c515252708cf50a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "193f2c267216912c7efa09346f57e22d2aaf7247ff6709f1c515252708cf50a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "193f2c267216912c7efa09346f57e22d2aaf7247ff6709f1c515252708cf50a1", kill_on_drop: false }`
[INFO] [stdout] 193f2c267216912c7efa09346f57e22d2aaf7247ff6709f1c515252708cf50a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc965b4c60552c8727befb854631275b9f1fbc37a01a749ab6cb9b58c1df2af3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fc965b4c60552c8727befb854631275b9f1fbc37a01a749ab6cb9b58c1df2af3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.12
[INFO] [stderr]     Checking serde v0.9.6
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking term v0.4.5
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking unicode-segmentation v1.1.0
[INFO] [stderr]     Checking bufstream v0.1.2
[INFO] [stderr]    Compiling syn v0.11.4
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking term_size v0.2.2
[INFO] [stderr]     Checking ctrlc v3.0.0
[INFO] [stderr]     Checking term-painter v0.2.3
[INFO] [stderr]     Checking clap v2.20.3
[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]     = 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] 
[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]    = 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] 
[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]     = 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] 
[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]    = 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] 
[INFO] [stdout] warning: use of deprecated associated function `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]    |                          ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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]    |                          ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` 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: associated function is never used: `empty`
[INFO] [stdout]   --> src/model/types.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn empty(board: &[[SubField; 10]; 10]) -> bool {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_input`
[INFO] [stdout]    --> src/model/mod.rs:585:4
[INFO] [stdout]     |
[INFO] [stdout] 585 | fn get_input() -> usize {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[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: associated function is never used: `empty`
[INFO] [stdout]   --> src/model/types.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn empty(board: &[[SubField; 10]; 10]) -> bool {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_input`
[INFO] [stdout]    --> src/model/mod.rs:585:4
[INFO] [stdout]     |
[INFO] [stdout] 585 | fn get_input() -> usize {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.98s
[INFO] running `Command { std: "docker" "inspect" "fc965b4c60552c8727befb854631275b9f1fbc37a01a749ab6cb9b58c1df2af3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc965b4c60552c8727befb854631275b9f1fbc37a01a749ab6cb9b58c1df2af3", kill_on_drop: false }`
[INFO] [stdout] fc965b4c60552c8727befb854631275b9f1fbc37a01a749ab6cb9b58c1df2af3