[INFO] cloning repository https://github.com/Schaapie01/battleship
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Schaapie01/battleship" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSchaapie01%2Fbattleship", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSchaapie01%2Fbattleship'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6574a701860c12886d9056eb3c9b430d2607d377
[INFO] checking Schaapie01/battleship against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSchaapie01%2Fbattleship" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Schaapie01/battleship
[INFO] finished tweaking git repo https://github.com/Schaapie01/battleship
[INFO] tweaked toml for git repo https://github.com/Schaapie01/battleship written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Schaapie01/battleship on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Schaapie01/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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35f01c2b1ee73925406680eb0f6912dfed148b58c450051f5771d3f05bb5e696
[INFO] running `Command { std: "docker" "start" "-a" "35f01c2b1ee73925406680eb0f6912dfed148b58c450051f5771d3f05bb5e696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35f01c2b1ee73925406680eb0f6912dfed148b58c450051f5771d3f05bb5e696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35f01c2b1ee73925406680eb0f6912dfed148b58c450051f5771d3f05bb5e696", kill_on_drop: false }`
[INFO] [stdout] 35f01c2b1ee73925406680eb0f6912dfed148b58c450051f5771d3f05bb5e696
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ac7117bf64f3d782a1d2bfb919ba6cb9d0ef7b63b15d7ed57d6f78792f9f760
[INFO] running `Command { std: "docker" "start" "-a" "1ac7117bf64f3d782a1d2bfb919ba6cb9d0ef7b63b15d7ed57d6f78792f9f760", kill_on_drop: false }`
[INFO] [stderr]     Checking battleship v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `playingfield` should have an upper camel case name
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct playingfield {
[INFO] [stdout]   |            ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `Playingfield`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `artist` should have an upper camel case name
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct artist {
[INFO] [stdout]   |            ^^^^^^ help: convert the identifier to upper camel case: `Artist`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/lib.rs:11:46
[INFO] [stdout]    |
[INFO] [stdout] 11 |         return playingfield { field: vec![0; (size * size)], size };
[INFO] [stdout]    |                                              ^           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 11 -         return playingfield { field: vec![0; (size * size)], size };
[INFO] [stdout] 11 +         return playingfield { field: vec![0; size * size ], size };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `artist` is never constructed
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct artist {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct artist {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 6 |     size: usize,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `playingfield` should have an upper camel case name
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct playingfield {
[INFO] [stdout]   |            ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `Playingfield`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `artist` should have an upper camel case name
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct artist {
[INFO] [stdout]   |            ^^^^^^ help: convert the identifier to upper camel case: `Artist`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/lib.rs:11:46
[INFO] [stdout]    |
[INFO] [stdout] 11 |         return playingfield { field: vec![0; (size * size)], size };
[INFO] [stdout]    |                                              ^           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 11 -         return playingfield { field: vec![0; (size * size)], size };
[INFO] [stdout] 11 +         return playingfield { field: vec![0; size * size ], size };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `battleship` (lib) due to 1 previous error; 4 warnings emitted
[INFO] [stdout] error: struct `artist` is never constructed
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct artist {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct artist {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 6 |     size: usize,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `battleship` (lib test) due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1ac7117bf64f3d782a1d2bfb919ba6cb9d0ef7b63b15d7ed57d6f78792f9f760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ac7117bf64f3d782a1d2bfb919ba6cb9d0ef7b63b15d7ed57d6f78792f9f760", kill_on_drop: false }`
[INFO] [stdout] 1ac7117bf64f3d782a1d2bfb919ba6cb9d0ef7b63b15d7ed57d6f78792f9f760
