[INFO] cloning repository https://github.com/k-kuroguro/rust-electric-potential-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/k-kuroguro/rust-electric-potential-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk-kuroguro%2Frust-electric-potential-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk-kuroguro%2Frust-electric-potential-solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] aede581115b9185361d8ae28f04140cddd6526a2 [INFO] testing k-kuroguro/rust-electric-potential-solver against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk-kuroguro%2Frust-electric-potential-solver" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/k-kuroguro/rust-electric-potential-solver [INFO] finished tweaking git repo https://github.com/k-kuroguro/rust-electric-potential-solver [INFO] tweaked toml for git repo https://github.com/k-kuroguro/rust-electric-potential-solver written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/k-kuroguro/rust-electric-potential-solver on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/k-kuroguro/rust-electric-potential-solver 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5c00683b1ff06db3d39d2f8f7c33f59cb2eb787f572d18846ed471431259a893 [INFO] running `Command { std: "docker" "start" "-a" "5c00683b1ff06db3d39d2f8f7c33f59cb2eb787f572d18846ed471431259a893", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5c00683b1ff06db3d39d2f8f7c33f59cb2eb787f572d18846ed471431259a893", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c00683b1ff06db3d39d2f8f7c33f59cb2eb787f572d18846ed471431259a893", kill_on_drop: false }` [INFO] [stdout] 5c00683b1ff06db3d39d2f8f7c33f59cb2eb787f572d18846ed471431259a893 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 671d52eeefbb8574d24e268e896a5c0fb898a17d6eac55900526bc230a3916a8 [INFO] running `Command { std: "docker" "start" "-a" "671d52eeefbb8574d24e268e896a5c0fb898a17d6eac55900526bc230a3916a8", kill_on_drop: false }` [INFO] [stderr] Compiling electric-potential-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `is_boundary` is never used [INFO] [stdout] --> src/solver.rs:197:7 [INFO] [stdout] | [INFO] [stdout] 18 | impl Solver { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 197 | fn is_boundary(&self, i: usize, j: usize) -> 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: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/solver.rs:92:7 [INFO] [stdout] | [INFO] [stdout] 92 | drop(solver); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Solver` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 92 - drop(solver); [INFO] [stdout] 92 + let _ = solver; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s [INFO] running `Command { std: "docker" "inspect" "671d52eeefbb8574d24e268e896a5c0fb898a17d6eac55900526bc230a3916a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "671d52eeefbb8574d24e268e896a5c0fb898a17d6eac55900526bc230a3916a8", kill_on_drop: false }` [INFO] [stdout] 671d52eeefbb8574d24e268e896a5c0fb898a17d6eac55900526bc230a3916a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 67b625672642ee945fbbd1f69773fce49e8779f7e4be7288931a94e20880ee72 [INFO] running `Command { std: "docker" "start" "-a" "67b625672642ee945fbbd1f69773fce49e8779f7e4be7288931a94e20880ee72", kill_on_drop: false }` [INFO] [stderr] Compiling electric-potential-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `is_boundary` is never used [INFO] [stdout] --> src/solver.rs:197:7 [INFO] [stdout] | [INFO] [stdout] 18 | impl Solver { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 197 | fn is_boundary(&self, i: usize, j: usize) -> 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: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/solver.rs:92:7 [INFO] [stdout] | [INFO] [stdout] 92 | drop(solver); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Solver` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 92 - drop(solver); [INFO] [stdout] 92 + let _ = solver; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `Command { std: "docker" "inspect" "67b625672642ee945fbbd1f69773fce49e8779f7e4be7288931a94e20880ee72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67b625672642ee945fbbd1f69773fce49e8779f7e4be7288931a94e20880ee72", kill_on_drop: false }` [INFO] [stdout] 67b625672642ee945fbbd1f69773fce49e8779f7e4be7288931a94e20880ee72 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 420d0ce220b49a6e5c15e174a1781d10ca187a8bfbdd8d6ed4125fd4e4c2b189 [INFO] running `Command { std: "docker" "start" "-a" "420d0ce220b49a6e5c15e174a1781d10ca187a8bfbdd8d6ed4125fd4e4c2b189", kill_on_drop: false }` [INFO] [stderr] warning: method `is_boundary` is never used [INFO] [stderr] --> src/solver.rs:197:7 [INFO] [stderr] | [INFO] [stderr] 18 | impl Solver { [INFO] [stderr] | ----------- method in this implementation [INFO] [stderr] ... [INFO] [stderr] 197 | fn is_boundary(&self, i: usize, j: usize) -> bool { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stderr] --> src/solver.rs:92:7 [INFO] [stderr] | [INFO] [stderr] 92 | drop(solver); [INFO] [stderr] | ^^^^^------^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `&Solver` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dropping_references)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 92 - drop(solver); [INFO] [stderr] 92 + let _ = solver; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `electric-potential-solver` (bin "electric-potential-solver" test) generated 2 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/electric_potential_solver-ef31e65f3cf32a71) [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" "420d0ce220b49a6e5c15e174a1781d10ca187a8bfbdd8d6ed4125fd4e4c2b189", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "420d0ce220b49a6e5c15e174a1781d10ca187a8bfbdd8d6ed4125fd4e4c2b189", kill_on_drop: false }` [INFO] [stdout] 420d0ce220b49a6e5c15e174a1781d10ca187a8bfbdd8d6ed4125fd4e4c2b189