[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 master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk-kuroguro%2Frust-electric-potential-solver" "/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/k-kuroguro/rust-electric-potential-solver on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-3-tc1/source/Cargo.toml [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" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "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-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 240324fb7fd2ac0c9e27f7943e5d75826570be97cf83e4d8dd9f652de19a0385 [INFO] running `Command { std: "docker" "start" "-a" "240324fb7fd2ac0c9e27f7943e5d75826570be97cf83e4d8dd9f652de19a0385", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "240324fb7fd2ac0c9e27f7943e5d75826570be97cf83e4d8dd9f652de19a0385", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "240324fb7fd2ac0c9e27f7943e5d75826570be97cf83e4d8dd9f652de19a0385", kill_on_drop: false }` [INFO] [stdout] 240324fb7fd2ac0c9e27f7943e5d75826570be97cf83e4d8dd9f652de19a0385 [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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0adc2534eb90f8812c3a375eb297cf2c6675cc611b54b305e0092afde33ff5dc [INFO] running `Command { std: "docker" "start" "-a" "0adc2534eb90f8812c3a375eb297cf2c6675cc611b54b305e0092afde33ff5dc", 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)]` 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 0.46s [INFO] running `Command { std: "docker" "inspect" "0adc2534eb90f8812c3a375eb297cf2c6675cc611b54b305e0092afde33ff5dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0adc2534eb90f8812c3a375eb297cf2c6675cc611b54b305e0092afde33ff5dc", kill_on_drop: false }` [INFO] [stdout] 0adc2534eb90f8812c3a375eb297cf2c6675cc611b54b305e0092afde33ff5dc [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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 183b345159fa2847fab016def23055b81248ef76fee1553ee8e9e407b5f79719 [INFO] running `Command { std: "docker" "start" "-a" "183b345159fa2847fab016def23055b81248ef76fee1553ee8e9e407b5f79719", 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)]` 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 0.31s [INFO] running `Command { std: "docker" "inspect" "183b345159fa2847fab016def23055b81248ef76fee1553ee8e9e407b5f79719", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "183b345159fa2847fab016def23055b81248ef76fee1553ee8e9e407b5f79719", kill_on_drop: false }` [INFO] [stdout] 183b345159fa2847fab016def23055b81248ef76fee1553ee8e9e407b5f79719 [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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a633ac01c7bb7215955e900527002431400cddc45f59f5a346033dd531de435d [INFO] running `Command { std: "docker" "start" "-a" "a633ac01c7bb7215955e900527002431400cddc45f59f5a346033dd531de435d", 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)]` 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 0.04s [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" "a633ac01c7bb7215955e900527002431400cddc45f59f5a346033dd531de435d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a633ac01c7bb7215955e900527002431400cddc45f59f5a346033dd531de435d", kill_on_drop: false }` [INFO] [stdout] a633ac01c7bb7215955e900527002431400cddc45f59f5a346033dd531de435d