[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-128400-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikitakyrpenko%2Faoc" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-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-7-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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1266eea3b021b084272a62fff3c4bcc886571a3fc5ebab418229d01abccb9163
[INFO] running `Command { std: "docker" "start" "-a" "1266eea3b021b084272a62fff3c4bcc886571a3fc5ebab418229d01abccb9163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1266eea3b021b084272a62fff3c4bcc886571a3fc5ebab418229d01abccb9163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1266eea3b021b084272a62fff3c4bcc886571a3fc5ebab418229d01abccb9163", kill_on_drop: false }`
[INFO] [stdout] 1266eea3b021b084272a62fff3c4bcc886571a3fc5ebab418229d01abccb9163
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a60b1436f56e0c99d1d54481ba6e22035c5f148e3083c66e4849bf1cf2814240
[INFO] running `Command { std: "docker" "start" "-a" "a60b1436f56e0c99d1d54481ba6e22035c5f148e3083c66e4849bf1cf2814240", 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<char>, 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<char>) {
[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<char>, 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<char>)) -> 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 0.47s
[INFO] running `Command { std: "docker" "inspect" "a60b1436f56e0c99d1d54481ba6e22035c5f148e3083c66e4849bf1cf2814240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a60b1436f56e0c99d1d54481ba6e22035c5f148e3083c66e4849bf1cf2814240", kill_on_drop: false }`
[INFO] [stdout] a60b1436f56e0c99d1d54481ba6e22035c5f148e3083c66e4849bf1cf2814240
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4fa67e09b6b98b301fbff55b829b78ef837e26ffd28d244ac04d873ed6a039ac
[INFO] running `Command { std: "docker" "start" "-a" "4fa67e09b6b98b301fbff55b829b78ef837e26ffd28d244ac04d873ed6a039ac", 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<char>, 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<char>) {
[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<char>, 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<char>)) -> u32 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4fa67e09b6b98b301fbff55b829b78ef837e26ffd28d244ac04d873ed6a039ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fa67e09b6b98b301fbff55b829b78ef837e26ffd28d244ac04d873ed6a039ac", kill_on_drop: false }`
[INFO] [stdout] 4fa67e09b6b98b301fbff55b829b78ef837e26ffd28d244ac04d873ed6a039ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c2ca6f2f690e62da861eb332d3d3fc6b8b3d53ede199c7fc4c58973d058367f8
[INFO] running `Command { std: "docker" "start" "-a" "c2ca6f2f690e62da861eb332d3d3fc6b8b3d53ede199c7fc4c58973d058367f8", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stdout] running 2 tests
[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<char>, 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<char>) {
[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<char>, 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<char>)) -> 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 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/first-3aef37c813cdcde8)
[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" "c2ca6f2f690e62da861eb332d3d3fc6b8b3d53ede199c7fc4c58973d058367f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2ca6f2f690e62da861eb332d3d3fc6b8b3d53ede199c7fc4c58973d058367f8", kill_on_drop: false }`
[INFO] [stdout] c2ca6f2f690e62da861eb332d3d3fc6b8b3d53ede199c7fc4c58973d058367f8