[INFO] cloning repository https://github.com/jpgundrum/rust_battleship [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jpgundrum/rust_battleship" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpgundrum%2Frust_battleship", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpgundrum%2Frust_battleship'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a45348d715e704368a7e3e2230d3540bc243c0fa [INFO] testing jpgundrum/rust_battleship against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpgundrum%2Frust_battleship" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/jpgundrum/rust_battleship [INFO] finished tweaking git repo https://github.com/jpgundrum/rust_battleship [INFO] tweaked toml for git repo https://github.com/jpgundrum/rust_battleship written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jpgundrum/rust_battleship on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/jpgundrum/rust_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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ce83c2b0201995514e45db876d9c381bcf9f995b7336c3ba6172bc57b7e17366 [INFO] running `Command { std: "docker" "start" "-a" "ce83c2b0201995514e45db876d9c381bcf9f995b7336c3ba6172bc57b7e17366", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ce83c2b0201995514e45db876d9c381bcf9f995b7336c3ba6172bc57b7e17366", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce83c2b0201995514e45db876d9c381bcf9f995b7336c3ba6172bc57b7e17366", kill_on_drop: false }` [INFO] [stdout] ce83c2b0201995514e45db876d9c381bcf9f995b7336c3ba6172bc57b7e17366 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 49e268f8a2fca5baad114a55157f4aa89d2d59d4c633de2a1d9e0320ec4f09c0 [INFO] running `Command { std: "docker" "start" "-a" "49e268f8a2fca5baad114a55157f4aa89d2d59d4c633de2a1d9e0320ec4f09c0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling getrandom v0.2.12 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/main.rs:58:13 [INFO] [stdout] | [INFO] [stdout] 58 | for n in 1..=(SIZE*2 - 1) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/main.rs:142:13 [INFO] [stdout] | [INFO] [stdout] 142 | for n in 1..=(SIZE*2 - 1) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/main.rs:282:20 [INFO] [stdout] | [INFO] [stdout] 282 | Ok(num) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `row` is never read [INFO] [stdout] --> src/main.rs:247:23 [INFO] [stdout] | [INFO] [stdout] 247 | let mut row = String::new(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `input` is never read [INFO] [stdout] --> src/main.rs:248:25 [INFO] [stdout] | [INFO] [stdout] 248 | let mut input = String::new(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `identifier`, `hits`, `misses`, `casualties`, and `winner` are never read [INFO] [stdout] --> src/main.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 28 | struct Player { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] ... [INFO] [stdout] 31 | identifier: u64, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 32 | hits: u64, [INFO] [stdout] | ^^^^ [INFO] [stdout] 33 | misses: u64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 34 | casualties: u64, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 35 | winner: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 45 | impl GuessingBoard { [INFO] [stdout] | ------------------ associated function in this implementation [INFO] [stdout] 46 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:91:8 [INFO] [stdout] | [INFO] [stdout] 90 | impl GameBoard { [INFO] [stdout] | -------------- associated function in this implementation [INFO] [stdout] 91 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.42s [INFO] running `Command { std: "docker" "inspect" "49e268f8a2fca5baad114a55157f4aa89d2d59d4c633de2a1d9e0320ec4f09c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49e268f8a2fca5baad114a55157f4aa89d2d59d4c633de2a1d9e0320ec4f09c0", kill_on_drop: false }` [INFO] [stdout] 49e268f8a2fca5baad114a55157f4aa89d2d59d4c633de2a1d9e0320ec4f09c0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fe40a1108278a82eb555710f6294db1378125dc4afa79b9b0d68a80591e6ebe2 [INFO] running `Command { std: "docker" "start" "-a" "fe40a1108278a82eb555710f6294db1378125dc4afa79b9b0d68a80591e6ebe2", kill_on_drop: false }` [INFO] [stderr] Compiling playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/main.rs:58:13 [INFO] [stdout] | [INFO] [stdout] 58 | for n in 1..=(SIZE*2 - 1) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/main.rs:142:13 [INFO] [stdout] | [INFO] [stdout] 142 | for n in 1..=(SIZE*2 - 1) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/main.rs:282:20 [INFO] [stdout] | [INFO] [stdout] 282 | Ok(num) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `row` is never read [INFO] [stdout] --> src/main.rs:247:23 [INFO] [stdout] | [INFO] [stdout] 247 | let mut row = String::new(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `input` is never read [INFO] [stdout] --> src/main.rs:248:25 [INFO] [stdout] | [INFO] [stdout] 248 | let mut input = String::new(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `identifier`, `hits`, `misses`, `casualties`, and `winner` are never read [INFO] [stdout] --> src/main.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 28 | struct Player { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] ... [INFO] [stdout] 31 | identifier: u64, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 32 | hits: u64, [INFO] [stdout] | ^^^^ [INFO] [stdout] 33 | misses: u64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 34 | casualties: u64, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 35 | winner: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 45 | impl GuessingBoard { [INFO] [stdout] | ------------------ associated function in this implementation [INFO] [stdout] 46 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:91:8 [INFO] [stdout] | [INFO] [stdout] 90 | impl GameBoard { [INFO] [stdout] | -------------- associated function in this implementation [INFO] [stdout] 91 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s [INFO] running `Command { std: "docker" "inspect" "fe40a1108278a82eb555710f6294db1378125dc4afa79b9b0d68a80591e6ebe2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe40a1108278a82eb555710f6294db1378125dc4afa79b9b0d68a80591e6ebe2", kill_on_drop: false }` [INFO] [stdout] fe40a1108278a82eb555710f6294db1378125dc4afa79b9b0d68a80591e6ebe2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 004fb27b764b7b9f18bca5d25093f796b06cc8f8ac0a9c95544cbd58f149758b [INFO] running `Command { std: "docker" "start" "-a" "004fb27b764b7b9f18bca5d25093f796b06cc8f8ac0a9c95544cbd58f149758b", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/main.rs:58:13 [INFO] [stderr] | [INFO] [stderr] 58 | for n in 1..=(SIZE*2 - 1) { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/main.rs:142:13 [INFO] [stderr] | [INFO] [stderr] 142 | for n in 1..=(SIZE*2 - 1) { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num` [INFO] [stderr] --> src/main.rs:282:20 [INFO] [stderr] | [INFO] [stderr] 282 | Ok(num) => { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `row` is never read [INFO] [stderr] --> src/main.rs:247:23 [INFO] [stderr] | [INFO] [stderr] 247 | let mut row = String::new(); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `input` is never read [INFO] [stderr] --> src/main.rs:248:25 [INFO] [stderr] | [INFO] [stderr] 248 | let mut input = String::new(); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: fields `identifier`, `hits`, `misses`, `casualties`, and `winner` are never read [INFO] [stderr] --> src/main.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 28 | struct Player { [INFO] [stderr] | ------ fields in this struct [INFO] [stderr] ... [INFO] [stderr] 31 | identifier: u64, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] 32 | hits: u64, [INFO] [stderr] | ^^^^ [INFO] [stderr] 33 | misses: u64, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] 34 | casualties: u64, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] 35 | winner: bool, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> src/main.rs:46:8 [INFO] [stderr] | [INFO] [stderr] 45 | impl GuessingBoard { [INFO] [stderr] | ------------------ associated function in this implementation [INFO] [stderr] 46 | fn new() -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> src/main.rs:91:8 [INFO] [stderr] | [INFO] [stderr] 90 | impl GameBoard { [INFO] [stderr] | -------------- associated function in this implementation [INFO] [stderr] 91 | fn new() -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: `playground` (bin "playground" test) generated 8 warnings (run `cargo fix --bin "playground" -p playground --tests` to apply 3 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/playground-649aeec72fb72a57) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "004fb27b764b7b9f18bca5d25093f796b06cc8f8ac0a9c95544cbd58f149758b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "004fb27b764b7b9f18bca5d25093f796b06cc8f8ac0a9c95544cbd58f149758b", kill_on_drop: false }` [INFO] [stdout] 004fb27b764b7b9f18bca5d25093f796b06cc8f8ac0a9c95544cbd58f149758b