[INFO] cloning repository https://github.com/u2/leetcode-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/u2/leetcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fu2%2Fleetcode-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fu2%2Fleetcode-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 23722bdf01b8f3a080af49de576ff52ccbc1c27a [INFO] checking u2/leetcode-rust against master#d2eadb7a94ef8c9deb5137695df33cd1fc5aee92 for pr-137268 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fu2%2Fleetcode-rust" "/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/u2/leetcode-rust on toolchain d2eadb7a94ef8c9deb5137695df33cd1fc5aee92 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/u2/leetcode-rust [INFO] finished tweaking git repo https://github.com/u2/leetcode-rust [INFO] tweaked toml for git repo https://github.com/u2/leetcode-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/u2/leetcode-rust 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" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded aho-corasick v0.6.1 [INFO] [stderr] Downloaded thread_local v0.3.2 [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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 76b9b47fdadd2a8e98687f97f4274ff63dd25fcf7e1bef4d54d02ace2a4f3ee8 [INFO] running `Command { std: "docker" "start" "-a" "76b9b47fdadd2a8e98687f97f4274ff63dd25fcf7e1bef4d54d02ace2a4f3ee8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "76b9b47fdadd2a8e98687f97f4274ff63dd25fcf7e1bef4d54d02ace2a4f3ee8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76b9b47fdadd2a8e98687f97f4274ff63dd25fcf7e1bef4d54d02ace2a4f3ee8", kill_on_drop: false }` [INFO] [stdout] 76b9b47fdadd2a8e98687f97f4274ff63dd25fcf7e1bef4d54d02ace2a4f3ee8 [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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 289d8f684dee3938126b1134fbf5bd43fd879c2cf0abccae52aec164f2bca278 [INFO] running `Command { std: "docker" "start" "-a" "289d8f684dee3938126b1134fbf5bd43fd879c2cf0abccae52aec164f2bca278", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Checking libc v0.2.20 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking regex-syntax v0.4.0 [INFO] [stderr] Checking unreachable v0.1.1 [INFO] [stderr] Checking thread-id v3.0.0 [INFO] [stderr] Checking memchr v1.0.1 [INFO] [stderr] Checking thread_local v0.3.2 [INFO] [stderr] Checking aho-corasick v0.6.1 [INFO] [stderr] Checking regex v0.2.1 [INFO] [stderr] Checking leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/length_of_longest_substring.rs:7:20 [INFO] [stdout] | [INFO] [stdout] 7 | let array: Vec<(char)> = s.char_indices().map(|i| i.1).collect::>(); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 7 - let array: Vec<(char)> = s.char_indices().map(|i| i.1).collect::>(); [INFO] [stdout] 7 + let array: Vec = s.char_indices().map(|i| i.1).collect::>(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/length_of_longest_substring.rs:8:25 [INFO] [stdout] | [INFO] [stdout] 8 | let mut c: VecDeque<(char)> = VecDeque::with_capacity(s.char_indices().count()); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 8 - let mut c: VecDeque<(char)> = VecDeque::with_capacity(s.char_indices().count()); [INFO] [stdout] 8 + let mut c: VecDeque = VecDeque::with_capacity(s.char_indices().count()); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/length_of_longest_substring.rs:39:20 [INFO] [stdout] | [INFO] [stdout] 39 | let array: Vec<(char)> = s.char_indices().map(|i| i.1).collect::>(); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 39 - let array: Vec<(char)> = s.char_indices().map(|i| i.1).collect::>(); [INFO] [stdout] 39 + let array: Vec = s.char_indices().map(|i| i.1).collect::>(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/length_of_longest_substring.rs:7:20 [INFO] [stdout] | [INFO] [stdout] 7 | let array: Vec<(char)> = s.char_indices().map(|i| i.1).collect::>(); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 7 - let array: Vec<(char)> = s.char_indices().map(|i| i.1).collect::>(); [INFO] [stdout] 7 + let array: Vec = s.char_indices().map(|i| i.1).collect::>(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/length_of_longest_substring.rs:8:25 [INFO] [stdout] | [INFO] [stdout] 8 | let mut c: VecDeque<(char)> = VecDeque::with_capacity(s.char_indices().count()); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 8 - let mut c: VecDeque<(char)> = VecDeque::with_capacity(s.char_indices().count()); [INFO] [stdout] 8 + let mut c: VecDeque = VecDeque::with_capacity(s.char_indices().count()); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/length_of_longest_substring.rs:39:20 [INFO] [stdout] | [INFO] [stdout] 39 | let array: Vec<(char)> = s.char_indices().map(|i| i.1).collect::>(); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 39 - let array: Vec<(char)> = s.char_indices().map(|i| i.1).collect::>(); [INFO] [stdout] 39 + let array: Vec = s.char_indices().map(|i| i.1).collect::>(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/find_median_sorted_arrays.rs:42:13 [INFO] [stdout] | [INFO] [stdout] 42 | j - 1; [INFO] [stdout] | ^^^^^ the arithmetic operation 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] 42 | let _ = j - 1; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/find_median_sorted_arrays.rs:42:13 [INFO] [stdout] | [INFO] [stdout] 42 | j - 1; [INFO] [stdout] | ^^^^^ the arithmetic operation 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] 42 | let _ = j - 1; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/leetcode-cf5fd307397c3e2c.d [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to write `/opt/rustwide/target/debug/.fingerprint/leetcode-cf5fd307397c3e2c/dep-test-lib-leetcode` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [INFO] running `Command { std: "docker" "inspect" "289d8f684dee3938126b1134fbf5bd43fd879c2cf0abccae52aec164f2bca278", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "289d8f684dee3938126b1134fbf5bd43fd879c2cf0abccae52aec164f2bca278", kill_on_drop: false }` [INFO] [stdout] 289d8f684dee3938126b1134fbf5bd43fd879c2cf0abccae52aec164f2bca278