[INFO] cloning repository https://github.com/j2ghz/advent-of-code-2023 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/j2ghz/advent-of-code-2023" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj2ghz%2Fadvent-of-code-2023", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj2ghz%2Fadvent-of-code-2023'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6fd848e5c77880a3cf8aa5a7271a8fa4e3a417ec [INFO] testing j2ghz/advent-of-code-2023 against master#c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af for pr-154756 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj2ghz%2Fadvent-of-code-2023" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/j2ghz/advent-of-code-2023 [INFO] finished tweaking git repo https://github.com/j2ghz/advent-of-code-2023 [INFO] tweaked toml for git repo https://github.com/j2ghz/advent-of-code-2023 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/j2ghz/advent-of-code-2023 on toolchain c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/j2ghz/advent-of-code-2023 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" "+c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tinyjson v2.5.1 [INFO] [stderr] Downloaded pico-args v0.5.0 [INFO] [stderr] Downloaded thousands v0.2.0 [INFO] [stderr] Downloaded android_system_properties v0.1.5 [INFO] [stderr] Downloaded mintex v0.1.2 [INFO] [stderr] Downloaded scopeguard v1.2.0 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.89 [INFO] [stderr] Downloaded android-tzdata v0.1.1 [INFO] [stderr] Downloaded windows-targets v0.48.5 [INFO] [stderr] Downloaded serde_json v1.0.108 [INFO] [stderr] Downloaded iana-time-zone v0.1.58 [INFO] [stderr] Downloaded core-foundation-sys v0.8.6 [INFO] [stderr] Downloaded miniz_oxide v0.7.1 [INFO] [stderr] Downloaded num-traits v0.2.17 [INFO] [stderr] Downloaded js-sys v0.3.66 [INFO] [stderr] Downloaded bumpalo v3.14.0 [INFO] [stderr] Downloaded proc-macro2 v1.0.70 [INFO] [stderr] Downloaded memchr v2.6.4 [INFO] [stderr] Downloaded backtrace v0.3.69 [INFO] [stderr] Downloaded cc v1.0.83 [INFO] [stderr] Downloaded serde v1.0.193 [INFO] [stderr] Downloaded wasm-bindgen v0.2.89 [INFO] [stderr] Downloaded chrono v0.4.31 [INFO] [stderr] Downloaded dhat v0.3.2 [INFO] [stderr] Downloaded serde_derive v1.0.193 [INFO] [stderr] Downloaded syn v2.0.39 [INFO] [stderr] Downloaded gimli v0.28.1 [INFO] [stderr] Downloaded object v0.32.1 [INFO] [stderr] Downloaded windows-core v0.51.1 [INFO] [stderr] Downloaded log v0.4.20 [INFO] [stderr] Downloaded addr2line v0.21.0 [INFO] [stderr] Downloaded rustc-demangle v0.1.23 [INFO] [stderr] Downloaded once_cell v1.19.0 [INFO] [stderr] Downloaded windows_aarch64_gnullvm v0.48.5 [INFO] [stderr] Downloaded smallvec v1.11.2 [INFO] [stderr] Downloaded windows_x86_64_gnullvm v0.48.5 [INFO] [stderr] Downloaded parking_lot v0.12.1 [INFO] [stderr] Downloaded ryu v1.0.15 [INFO] [stderr] Downloaded quote v1.0.33 [INFO] [stderr] Downloaded unicode-ident v1.0.12 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.89 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.89 [INFO] [stderr] Downloaded adler v1.0.2 [INFO] [stderr] Downloaded sys-info v0.9.1 [INFO] [stderr] Downloaded lock_api v0.4.11 [INFO] [stderr] Downloaded redox_syscall v0.4.1 [INFO] [stderr] Downloaded parking_lot_core v0.9.9 [INFO] [stderr] Downloaded iana-time-zone-haiku v0.1.2 [INFO] [stderr] Downloaded libc v0.2.150 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.89 [INFO] [stderr] Downloaded rustc-hash v1.1.0 [INFO] [stderr] Downloaded itoa v1.0.9 [INFO] [stderr] Downloaded windows_x86_64_gnu v0.48.5 [INFO] [stderr] Downloaded windows_x86_64_msvc v0.48.5 [INFO] [stderr] Downloaded windows_aarch64_msvc v0.48.5 [INFO] [stderr] Downloaded windows_i686_gnu v0.48.5 [INFO] [stderr] Downloaded windows_i686_msvc v0.48.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a62acaeaa10fd1495232cbc40db9016bd56e8bc5796c5d987c77777fb1f5ef42 [INFO] running `Command { std: "docker" "start" "-a" "a62acaeaa10fd1495232cbc40db9016bd56e8bc5796c5d987c77777fb1f5ef42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a62acaeaa10fd1495232cbc40db9016bd56e8bc5796c5d987c77777fb1f5ef42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a62acaeaa10fd1495232cbc40db9016bd56e8bc5796c5d987c77777fb1f5ef42", kill_on_drop: false }` [INFO] [stdout] a62acaeaa10fd1495232cbc40db9016bd56e8bc5796c5d987c77777fb1f5ef42 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d8918df297683c799248cd6baafc23acf10e1ef92d8a33b736e2bf576b574239 [INFO] running `Command { std: "docker" "start" "-a" "d8918df297683c799248cd6baafc23acf10e1ef92d8a33b736e2bf576b574239", kill_on_drop: false }` [INFO] [stderr] Compiling pico-args v0.5.0 [INFO] [stderr] Compiling tinyjson v2.5.1 [INFO] [stderr] Compiling advent_of_code v0.11.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/template/readme_benchmarks.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | Parser(String), [INFO] [stdout] | ------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 12 - Parser(String), [INFO] [stdout] 12 + Parser(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/template/readme_benchmarks.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | IO(io::Error), [INFO] [stdout] | -- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 13 - IO(io::Error), [INFO] [stdout] 13 + IO(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/template/run_multi.rs:52:8 [INFO] [stdout] | [INFO] [stdout] 52 | IO(io::Error), [INFO] [stdout] | -- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 52 - IO(io::Error), [INFO] [stdout] 52 + IO(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.96s [INFO] running `Command { std: "docker" "inspect" "d8918df297683c799248cd6baafc23acf10e1ef92d8a33b736e2bf576b574239", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8918df297683c799248cd6baafc23acf10e1ef92d8a33b736e2bf576b574239", kill_on_drop: false }` [INFO] [stdout] d8918df297683c799248cd6baafc23acf10e1ef92d8a33b736e2bf576b574239 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0845fd001f4324fe255d413ffe1c91f36518b814ac33990d0e4015fc4bc2cbfa [INFO] running `Command { std: "docker" "start" "-a" "0845fd001f4324fe255d413ffe1c91f36518b814ac33990d0e4015fc4bc2cbfa", kill_on_drop: false }` [INFO] [stderr] Compiling advent_of_code v0.11.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/template/readme_benchmarks.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | Parser(String), [INFO] [stdout] | ------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 12 - Parser(String), [INFO] [stdout] 12 + Parser(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/template/readme_benchmarks.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | IO(io::Error), [INFO] [stdout] | -- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 13 - IO(io::Error), [INFO] [stdout] 13 + IO(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/template/run_multi.rs:52:8 [INFO] [stdout] | [INFO] [stdout] 52 | IO(io::Error), [INFO] [stdout] | -- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 52 - IO(io::Error), [INFO] [stdout] 52 + IO(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/template/readme_benchmarks.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | Parser(String), [INFO] [stdout] | ------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 12 - Parser(String), [INFO] [stdout] 12 + Parser(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/template/readme_benchmarks.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | IO(io::Error), [INFO] [stdout] | -- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 13 - IO(io::Error), [INFO] [stdout] 13 + IO(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/template/run_multi.rs:52:8 [INFO] [stdout] | [INFO] [stdout] 52 | IO(io::Error), [INFO] [stdout] | -- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 52 - IO(io::Error), [INFO] [stdout] 52 + IO(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `Command { std: "docker" "inspect" "0845fd001f4324fe255d413ffe1c91f36518b814ac33990d0e4015fc4bc2cbfa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0845fd001f4324fe255d413ffe1c91f36518b814ac33990d0e4015fc4bc2cbfa", kill_on_drop: false }` [INFO] [stdout] 0845fd001f4324fe255d413ffe1c91f36518b814ac33990d0e4015fc4bc2cbfa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 15fd92a0ce9f95894bdcb40157ffc48c994b0f735806bb8ab4c57cab33a3238c [INFO] running `Command { std: "docker" "start" "-a" "15fd92a0ce9f95894bdcb40157ffc48c994b0f735806bb8ab4c57cab33a3238c", kill_on_drop: false }` [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/template/readme_benchmarks.rs:12:12 [INFO] [stderr] | [INFO] [stderr] 12 | Parser(String), [INFO] [stderr] | ------ ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 12 - Parser(String), [INFO] [stderr] 12 + Parser(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/template/readme_benchmarks.rs:13:8 [INFO] [stderr] | [INFO] [stderr] 13 | IO(io::Error), [INFO] [stderr] | -- ^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 13 - IO(io::Error), [INFO] [stderr] 13 + IO(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/template/run_multi.rs:52:8 [INFO] [stderr] | [INFO] [stderr] 52 | IO(io::Error), [INFO] [stderr] | -- ^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 52 - IO(io::Error), [INFO] [stderr] 52 + IO(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `advent_of_code` (lib) generated 3 warnings [INFO] [stderr] warning: `advent_of_code` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/advent_of_code-a3e091fb24d1012f) [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/advent_of_code-6b87ae1c65a7e26e) [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" "15fd92a0ce9f95894bdcb40157ffc48c994b0f735806bb8ab4c57cab33a3238c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15fd92a0ce9f95894bdcb40157ffc48c994b0f735806bb8ab4c57cab33a3238c", kill_on_drop: false }` [INFO] [stdout] 15fd92a0ce9f95894bdcb40157ffc48c994b0f735806bb8ab4c57cab33a3238c