[INFO] cloning repository https://github.com/nikitakyrpenko/aoc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nikitakyrpenko/aoc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikitakyrpenko%2Faoc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikitakyrpenko%2Faoc'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-merge-commit.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikitakyrpenko%2Faoc/hooks/pre-merge-commit.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 1) [INFO] cloning repository https://github.com/nikitakyrpenko/aoc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nikitakyrpenko/aoc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikitakyrpenko%2Faoc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikitakyrpenko%2Faoc'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-merge-commit.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikitakyrpenko%2Faoc/hooks/pre-merge-commit.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 2) [INFO] cloning repository https://github.com/nikitakyrpenko/aoc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nikitakyrpenko/aoc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikitakyrpenko%2Faoc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikitakyrpenko%2Faoc'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-merge-commit.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikitakyrpenko%2Faoc/hooks/pre-merge-commit.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 3) [INFO] cloning repository https://github.com/nikitakyrpenko/aoc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nikitakyrpenko/aoc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikitakyrpenko%2Faoc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikitakyrpenko%2Faoc'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/applypatch-msg.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikitakyrpenko%2Faoc/hooks/applypatch-msg.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 4) [INFO] cloning repository https://github.com/nikitakyrpenko/aoc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nikitakyrpenko/aoc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikitakyrpenko%2Faoc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikitakyrpenko%2Faoc'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-rebase.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikitakyrpenko%2Faoc/hooks/pre-rebase.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 5) [INFO] cloning repository https://github.com/nikitakyrpenko/aoc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nikitakyrpenko/aoc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikitakyrpenko%2Faoc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikitakyrpenko%2Faoc'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-rebase.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikitakyrpenko%2Faoc/hooks/pre-rebase.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 6) [INFO] cloning repository https://github.com/nikitakyrpenko/aoc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nikitakyrpenko/aoc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikitakyrpenko%2Faoc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikitakyrpenko%2Faoc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d96e18d3a16aeff2b8deb1431f9397f3cda9a727 [INFO] testing nikitakyrpenko/aoc against master#1ddedbaa5919b7b3e70d984660e21e844c615c97 for pr-128400 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikitakyrpenko%2Faoc" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nikitakyrpenko/aoc on toolchain 1ddedbaa5919b7b3e70d984660e21e844c615c97 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nikitakyrpenko/aoc [INFO] finished tweaking git repo https://github.com/nikitakyrpenko/aoc [INFO] tweaked toml for git repo https://github.com/nikitakyrpenko/aoc written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/nikitakyrpenko/aoc 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" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0d56690015d487ab3405a558ca6318250bda042eda1ee6ee5d3914ee661e2058 [INFO] running `Command { std: "docker" "start" "-a" "0d56690015d487ab3405a558ca6318250bda042eda1ee6ee5d3914ee661e2058", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0d56690015d487ab3405a558ca6318250bda042eda1ee6ee5d3914ee661e2058", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d56690015d487ab3405a558ca6318250bda042eda1ee6ee5d3914ee661e2058", kill_on_drop: false }` [INFO] [stdout] 0d56690015d487ab3405a558ca6318250bda042eda1ee6ee5d3914ee661e2058 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 78341772a6beabe8baf01236f06aeee8eafcfd6fa10c6716ca9f92f71ca99491 [INFO] running `Command { std: "docker" "start" "-a" "78341772a6beabe8baf01236f06aeee8eafcfd6fa10c6716ca9f92f71ca99491", kill_on_drop: false }` [INFO] [stderr] Compiling first v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/first.rs:10:37 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn parse(line: &str) -> (Option<(char)>, Option<(char)>) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 10 - pub fn parse(line: &str) -> (Option<(char)>, Option<(char)>) { [INFO] [stdout] 10 + pub fn parse(line: &str) -> (Option, Option<(char)>) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/first.rs:10:53 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn parse(line: &str) -> (Option<(char)>, Option<(char)>) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 10 - pub fn parse(line: &str) -> (Option<(char)>, Option<(char)>) { [INFO] [stdout] 10 + pub fn parse(line: &str) -> (Option<(char)>, Option) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/first.rs:20:32 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn convert(digits: (Option<(char)>, Option<(char)>)) -> u32 { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 20 - pub fn convert(digits: (Option<(char)>, Option<(char)>)) -> u32 { [INFO] [stdout] 20 + pub fn convert(digits: (Option, Option<(char)>)) -> u32 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/first.rs:20:48 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn convert(digits: (Option<(char)>, Option<(char)>)) -> u32 { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 20 - pub fn convert(digits: (Option<(char)>, Option<(char)>)) -> u32 { [INFO] [stdout] 20 + pub fn convert(digits: (Option<(char)>, Option)) -> u32 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s [INFO] running `Command { std: "docker" "inspect" "78341772a6beabe8baf01236f06aeee8eafcfd6fa10c6716ca9f92f71ca99491", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78341772a6beabe8baf01236f06aeee8eafcfd6fa10c6716ca9f92f71ca99491", kill_on_drop: false }` [INFO] [stdout] 78341772a6beabe8baf01236f06aeee8eafcfd6fa10c6716ca9f92f71ca99491 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6c9811c465620f691a6804bf66edbfd48f37c031f167288f7647465e4be991a0 [INFO] running `Command { std: "docker" "start" "-a" "6c9811c465620f691a6804bf66edbfd48f37c031f167288f7647465e4be991a0", kill_on_drop: false }` [INFO] [stderr] Compiling first v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/first.rs:10:37 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn parse(line: &str) -> (Option<(char)>, Option<(char)>) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 10 - pub fn parse(line: &str) -> (Option<(char)>, Option<(char)>) { [INFO] [stdout] 10 + pub fn parse(line: &str) -> (Option, Option<(char)>) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/first.rs:10:53 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn parse(line: &str) -> (Option<(char)>, Option<(char)>) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 10 - pub fn parse(line: &str) -> (Option<(char)>, Option<(char)>) { [INFO] [stdout] 10 + pub fn parse(line: &str) -> (Option<(char)>, Option) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/first.rs:20:32 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn convert(digits: (Option<(char)>, Option<(char)>)) -> u32 { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 20 - pub fn convert(digits: (Option<(char)>, Option<(char)>)) -> u32 { [INFO] [stdout] 20 + pub fn convert(digits: (Option, Option<(char)>)) -> u32 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/first.rs:20:48 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn convert(digits: (Option<(char)>, Option<(char)>)) -> u32 { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 20 - pub fn convert(digits: (Option<(char)>, Option<(char)>)) -> u32 { [INFO] [stdout] 20 + pub fn convert(digits: (Option<(char)>, Option)) -> u32 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] running `Command { std: "docker" "inspect" "6c9811c465620f691a6804bf66edbfd48f37c031f167288f7647465e4be991a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c9811c465620f691a6804bf66edbfd48f37c031f167288f7647465e4be991a0", kill_on_drop: false }` [INFO] [stdout] 6c9811c465620f691a6804bf66edbfd48f37c031f167288f7647465e4be991a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f0c169f87c5e9f65424ba553338262d2a15d82733db58f69446e28af07554801 [INFO] running `Command { std: "docker" "start" "-a" "f0c169f87c5e9f65424ba553338262d2a15d82733db58f69446e28af07554801", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/first.rs:10:37 [INFO] [stderr] | [INFO] [stderr] 10 | pub fn parse(line: &str) -> (Option<(char)>, Option<(char)>) { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 10 - pub fn parse(line: &str) -> (Option<(char)>, Option<(char)>) { [INFO] [stderr] 10 + pub fn parse(line: &str) -> (Option, Option<(char)>) { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/first.rs:10:53 [INFO] [stderr] | [INFO] [stderr] 10 | pub fn parse(line: &str) -> (Option<(char)>, Option<(char)>) { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 10 - pub fn parse(line: &str) -> (Option<(char)>, Option<(char)>) { [INFO] [stderr] 10 + pub fn parse(line: &str) -> (Option<(char)>, Option) { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/first.rs:20:32 [INFO] [stderr] | [INFO] [stderr] 20 | pub fn convert(digits: (Option<(char)>, Option<(char)>)) -> u32 { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 20 - pub fn convert(digits: (Option<(char)>, Option<(char)>)) -> u32 { [INFO] [stderr] 20 + pub fn convert(digits: (Option, Option<(char)>)) -> u32 { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/first.rs:20:48 [INFO] [stderr] | [INFO] [stderr] 20 | pub fn convert(digits: (Option<(char)>, Option<(char)>)) -> u32 { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 20 - pub fn convert(digits: (Option<(char)>, Option<(char)>)) -> u32 { [INFO] [stderr] 20 + pub fn convert(digits: (Option<(char)>, Option)) -> u32 { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `first` (bin "first" test) generated 4 warnings (run `cargo fix --bin "first" --tests` to apply 4 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/first-3aef37c813cdcde8) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test first::test::test_convert ... ok [INFO] [stdout] test first::test::test_read ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f0c169f87c5e9f65424ba553338262d2a15d82733db58f69446e28af07554801", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0c169f87c5e9f65424ba553338262d2a15d82733db58f69446e28af07554801", kill_on_drop: false }` [INFO] [stdout] f0c169f87c5e9f65424ba553338262d2a15d82733db58f69446e28af07554801