[INFO] cloning repository https://github.com/nagashi/The-Traveling-Politician-Problem [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nagashi/The-Traveling-Politician-Problem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnagashi%2FThe-Traveling-Politician-Problem", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnagashi%2FThe-Traveling-Politician-Problem'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 78bdbf6759ca017a8c863505025b4db7b7734ef0 [INFO] testing nagashi/The-Traveling-Politician-Problem against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnagashi%2FThe-Traveling-Politician-Problem" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nagashi/The-Traveling-Politician-Problem on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nagashi/The-Traveling-Politician-Problem [INFO] finished tweaking git repo https://github.com/nagashi/The-Traveling-Politician-Problem [INFO] tweaked toml for git repo https://github.com/nagashi/The-Traveling-Politician-Problem written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/nagashi/The-Traveling-Politician-Problem already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ad20ee464b387c72143770c191c182fb8bf841b54a98d154167a397623c897fb [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" "ad20ee464b387c72143770c191c182fb8bf841b54a98d154167a397623c897fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ad20ee464b387c72143770c191c182fb8bf841b54a98d154167a397623c897fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad20ee464b387c72143770c191c182fb8bf841b54a98d154167a397623c897fb", kill_on_drop: false }` [INFO] [stdout] ad20ee464b387c72143770c191c182fb8bf841b54a98d154167a397623c897fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 641196087d48f1f2733e7148f5e5ed4d1d59fe890cf334e235ec8ee6e079eecc [INFO] running `Command { std: "docker" "start" "-a" "641196087d48f1f2733e7148f5e5ed4d1d59fe890cf334e235ec8ee6e079eecc", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling proc-macro2 v1.0.21 [INFO] [stderr] Compiling syn v1.0.41 [INFO] [stderr] Compiling serde_derive v1.0.116 [INFO] [stderr] Compiling serde v1.0.116 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling utf8-ranges v0.1.3 [INFO] [stderr] Compiling regex-syntax v0.3.9 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling gimli v0.22.0 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling object v0.20.0 [INFO] [stderr] Compiling log-mdc v0.1.0 [INFO] [stderr] Compiling permutohedron v0.2.4 [INFO] [stderr] Compiling miniz_oxide v0.4.2 [INFO] [stderr] Compiling instant v0.1.7 [INFO] [stderr] Compiling unsafe-any v0.4.2 [INFO] [stderr] Compiling lock_api v0.4.1 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling ordered-float v1.1.0 [INFO] [stderr] Compiling typemap v0.3.3 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling memchr v0.1.11 [INFO] [stderr] Compiling thread-id v2.0.0 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling parking_lot_core v0.8.0 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling thread-id v3.3.0 [INFO] [stderr] Compiling flate2 v1.0.17 [INFO] [stderr] Compiling thread_local v0.2.7 [INFO] [stderr] Compiling aho-corasick v0.5.3 [INFO] [stderr] Compiling parking_lot v0.11.0 [INFO] [stderr] Compiling regex v0.1.80 [INFO] [stderr] Compiling addr2line v0.13.0 [INFO] [stderr] Compiling semver-parser v0.6.2 [INFO] [stderr] Compiling backtrace v0.3.50 [INFO] [stderr] Compiling semver v0.5.1 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Compiling serde_yaml v0.8.13 [INFO] [stderr] Compiling chrono v0.4.15 [INFO] [stderr] Compiling bstr v0.2.13 [INFO] [stderr] Compiling serde-value v0.6.0 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling csv v1.1.3 [INFO] [stderr] Compiling mime v0.2.6 [INFO] [stderr] Compiling hyper v0.10.16 [INFO] [stderr] Compiling log4rs v0.13.0 [INFO] [stderr] Compiling rusted_cypher v1.1.0 [INFO] [stderr] Compiling read_json v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `city` [INFO] [stdout] --> src/main.rs:112:5 [INFO] [stdout] | [INFO] [stdout] 112 | city: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `ObjLookUp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:109:23 [INFO] [stdout] | [INFO] [stdout] 109 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `classification` [INFO] [stdout] --> src/main.rs:116:5 [INFO] [stdout] | [INFO] [stdout] 116 | classification: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `ObjLookUp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:109:23 [INFO] [stdout] | [INFO] [stdout] 109 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `population` [INFO] [stdout] --> src/main.rs:117:5 [INFO] [stdout] | [INFO] [stdout] 117 | population: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `ObjLookUp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:109:23 [INFO] [stdout] | [INFO] [stdout] 109 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:221:5 [INFO] [stdout] | [INFO] [stdout] 221 | &path_csv.push_str(CYPHER_CSV); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 221 | let _ = &path_csv.push_str(CYPHER_CSV); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:261:13 [INFO] [stdout] | [INFO] [stdout] 261 | &data_states; [INFO] [stdout] | ^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 261 | let _ = &data_states; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 40s [INFO] running `Command { std: "docker" "inspect" "641196087d48f1f2733e7148f5e5ed4d1d59fe890cf334e235ec8ee6e079eecc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "641196087d48f1f2733e7148f5e5ed4d1d59fe890cf334e235ec8ee6e079eecc", kill_on_drop: false }` [INFO] [stdout] 641196087d48f1f2733e7148f5e5ed4d1d59fe890cf334e235ec8ee6e079eecc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 81abcda5c77e0ac2151bd1f6ab1d87ccf0d19fa95e33195ad0bca8bd3980bf12 [INFO] running `Command { std: "docker" "start" "-a" "81abcda5c77e0ac2151bd1f6ab1d87ccf0d19fa95e33195ad0bca8bd3980bf12", kill_on_drop: false }` [INFO] [stderr] Compiling read_json v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `city` [INFO] [stdout] --> src/main.rs:112:5 [INFO] [stdout] | [INFO] [stdout] 112 | city: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `ObjLookUp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:109:23 [INFO] [stdout] | [INFO] [stdout] 109 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `classification` [INFO] [stdout] --> src/main.rs:116:5 [INFO] [stdout] | [INFO] [stdout] 116 | classification: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `ObjLookUp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:109:23 [INFO] [stdout] | [INFO] [stdout] 109 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `population` [INFO] [stdout] --> src/main.rs:117:5 [INFO] [stdout] | [INFO] [stdout] 117 | population: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `ObjLookUp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:109:23 [INFO] [stdout] | [INFO] [stdout] 109 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:221:5 [INFO] [stdout] | [INFO] [stdout] 221 | &path_csv.push_str(CYPHER_CSV); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 221 | let _ = &path_csv.push_str(CYPHER_CSV); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:261:13 [INFO] [stdout] | [INFO] [stdout] 261 | &data_states; [INFO] [stdout] | ^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 261 | let _ = &data_states; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.77s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/read_json-7113b839c14b18d5) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/read_json-d291ddaba9da9bf7) [INFO] running `Command { std: "docker" "inspect" "81abcda5c77e0ac2151bd1f6ab1d87ccf0d19fa95e33195ad0bca8bd3980bf12", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81abcda5c77e0ac2151bd1f6ab1d87ccf0d19fa95e33195ad0bca8bd3980bf12", kill_on_drop: false }` [INFO] [stdout] 81abcda5c77e0ac2151bd1f6ab1d87ccf0d19fa95e33195ad0bca8bd3980bf12 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 287663cecaa4ab2e2d98164a2d4c7cf98859615047970ff07bfb35a17d532418 [INFO] running `Command { std: "docker" "start" "-a" "287663cecaa4ab2e2d98164a2d4c7cf98859615047970ff07bfb35a17d532418", kill_on_drop: false }` [INFO] [stderr] warning: field is never read: `city` [INFO] [stderr] --> src/main.rs:112:5 [INFO] [stderr] | [INFO] [stderr] 112 | city: String, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `ObjLookUp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:109:23 [INFO] [stderr] | [INFO] [stderr] 109 | #[derive(Deserialize, Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `classification` [INFO] [stderr] --> src/main.rs:116:5 [INFO] [stderr] | [INFO] [stderr] 116 | classification: String, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `ObjLookUp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:109:23 [INFO] [stderr] | [INFO] [stderr] 109 | #[derive(Deserialize, Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `population` [INFO] [stderr] --> src/main.rs:117:5 [INFO] [stderr] | [INFO] [stderr] 117 | population: String, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `ObjLookUp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:109:23 [INFO] [stderr] | [INFO] [stderr] 109 | #[derive(Deserialize, Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/main.rs:221:5 [INFO] [stderr] | [INFO] [stderr] 221 | &path_csv.push_str(CYPHER_CSV); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 221 | let _ = &path_csv.push_str(CYPHER_CSV); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/main.rs:261:13 [INFO] [stderr] | [INFO] [stderr] 261 | &data_states; [INFO] [stderr] | ^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 261 | let _ = &data_states; [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `read_json` (bin "read_json" test) generated 5 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.15s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/read_json-7113b839c14b18d5) [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/read_json-d291ddaba9da9bf7) [INFO] [stdout] running 0 tests [INFO] [stderr] Doc-tests read_json [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] [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] [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" "287663cecaa4ab2e2d98164a2d4c7cf98859615047970ff07bfb35a17d532418", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "287663cecaa4ab2e2d98164a2d4c7cf98859615047970ff07bfb35a17d532418", kill_on_drop: false }` [INFO] [stdout] 287663cecaa4ab2e2d98164a2d4c7cf98859615047970ff07bfb35a17d532418