[INFO] cloning repository https://github.com/aylei/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/aylei/leetcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faylei%2Fleetcode-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faylei%2Fleetcode-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 33b135d06fde8c4c6e09d830e99b67628ae20015 [INFO] documenting aylei/leetcode-rust against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faylei%2Fleetcode-rust" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aylei/leetcode-rust on toolchain beta-2020-08-29 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-11/source/.cargo/config [INFO] started tweaking git repo https://github.com/aylei/leetcode-rust [INFO] finished tweaking git repo https://github.com/aylei/leetcode-rust [INFO] tweaked toml for git repo https://github.com/aylei/leetcode-rust written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/aylei/leetcode-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded sluice v0.4.2 [INFO] [stderr] Downloaded futures-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded openssl-sys v0.9.50 [INFO] [stderr] Downloaded surf v1.0.3 [INFO] [stderr] Downloaded futures-executor-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.3.27 [INFO] [stderr] Downloaded isahc v0.7.6 [INFO] [stderr] Downloaded futures-sink-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded curl-sys v0.4.25 [INFO] [stderr] Downloaded reqwest v0.9.21 [INFO] [stderr] Downloaded futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded futures-io-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded iovec v0.1.3 [INFO] [stderr] Downloaded futures-util-preview v0.3.0-alpha.19 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 472836af309aea3e5b3a17576db8407a1f12a927aa5f0edc97fcc5ef97467449 [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" "472836af309aea3e5b3a17576db8407a1f12a927aa5f0edc97fcc5ef97467449", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "472836af309aea3e5b3a17576db8407a1f12a927aa5f0edc97fcc5ef97467449", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "472836af309aea3e5b3a17576db8407a1f12a927aa5f0edc97fcc5ef97467449", kill_on_drop: false }` [INFO] [stdout] 472836af309aea3e5b3a17576db8407a1f12a927aa5f0edc97fcc5ef97467449 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "RUSTDOCFLAGS=--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c699a54156feb50c87e5ef3fcf3ceb673806f239f0c75980655664adf4528918 [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" "c699a54156feb50c87e5ef3fcf3ceb673806f239f0c75980655664adf4528918", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libnghttp2-sys v0.1.2 [INFO] [stderr] Compiling curl-sys v0.4.25 [INFO] [stderr] Checking iovec v0.1.3 [INFO] [stderr] Checking socket2 v0.3.11 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Checking regex v1.3.4 [INFO] [stderr] Checking openssl v0.10.25 [INFO] [stderr] Checking tokio-threadpool v0.1.16 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking http v0.1.18 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Checking tokio-reactor v0.1.10 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Checking publicsuffix v1.5.3 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking native-tls v0.2.3 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Checking hyper v0.12.35 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] Checking futures-util v0.3.4 [INFO] [stderr] Compiling curl v0.4.25 [INFO] [stderr] Compiling isahc v0.7.6 [INFO] [stderr] Checking serde v1.0.101 [INFO] [stderr] Checking futures-executor v0.3.4 [INFO] [stderr] Checking futures v0.3.4 [INFO] [stderr] Checking serde_json v1.0.41 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking cookie_store v0.7.0 [INFO] [stderr] Checking surf v1.0.3 [INFO] [stderr] Checking reqwest v0.9.21 [INFO] [stderr] Documenting leetcode-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/solution/s0068_text_justification.rs:106:85 [INFO] [stdout] | [INFO] [stdout] 106 | let mut extra_spaces = spaces - avg_spaces * usize::max(1, words.len() - 1);; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/solution/s0074_search_a_2d_matrix.rs:60:23 [INFO] [stdout] | [INFO] [stdout] 60 | } else if (target > matrix[mid / width][mid % width]) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression [INFO] [stdout] --> src/solution/s0150_evaluate_reverse_polish_notation.rs:63:23 [INFO] [stdout] | [INFO] [stdout] 63 | match (t as &str) { [INFO] [stdout] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/solution/s0154_find_minimum_in_rotated_sorted_array_ii.rs:55:16 [INFO] [stdout] | [INFO] [stdout] 55 | if (nums[mid] > nums[hi]) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/solution/s0154_find_minimum_in_rotated_sorted_array_ii.rs:57:23 [INFO] [stdout] | [INFO] [stdout] 57 | } else if (nums[mid] < nums[hi]) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/solution/s0216_combination_sum_iii.rs:59:18 [INFO] [stdout] | [INFO] [stdout] 59 | for i in (prev + 1..=9) { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/solution/s0223_rectangle_area.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | (rect1.0 + rect2.0 - (center1.0 - center2.0).abs()), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/solution/s0223_rectangle_area.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | (rect1.1 + rect2.1 - (center1.1 - center2.1).abs()), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: could not parse code block as Rust code [INFO] [stdout] --> src/solution/s0108_convert_sorted_array_to_binary_search_tree.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | * 0 [INFO] [stdout] | ________^ [INFO] [stdout] 16 | | * / \ [INFO] [stdout] 17 | | * -3 9 [INFO] [stdout] | |___^ [INFO] [stdout] | [INFO] [stdout] = note: error from rustc: unknown start of token: \ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: could not parse code block as Rust code [INFO] [stdout] --> src/solution/s0109_convert_sorted_list_to_binary_search_tree.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | * 0 [INFO] [stdout] | ________^ [INFO] [stdout] 16 | | * / \ [INFO] [stdout] 17 | | * -3 9 [INFO] [stdout] | |___^ [INFO] [stdout] | [INFO] [stdout] = note: error from rustc: unknown start of token: \ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: could not parse code block as Rust code [INFO] [stdout] --> src/solution/s0110_balanced_binary_tree.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | * 1 [INFO] [stdout] | ________^ [INFO] [stdout] 31 | | * / \ [INFO] [stdout] 32 | | * 2 2 [INFO] [stdout] 33 | | * / \ [INFO] [stdout] 34 | | * 3 3 [INFO] [stdout] | |___^ [INFO] [stdout] | [INFO] [stdout] = note: error from rustc: unknown start of token: \ [INFO] [stdout] = note: error from rustc: unknown start of token: \ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: could not parse code block as Rust code [INFO] [stdout] --> src/solution/s0112_path_sum.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | * 5 [INFO] [stdout] | ________^ [INFO] [stdout] 14 | | * / \ [INFO] [stdout] 15 | | * 4 8 [INFO] [stdout] 16 | | * / / \ [INFO] [stdout] | |___^ [INFO] [stdout] | [INFO] [stdout] = note: error from rustc: unknown start of token: \ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: could not parse code block as Rust code [INFO] [stdout] --> src/solution/s0113_path_sum_ii.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | * 5 [INFO] [stdout] | ________^ [INFO] [stdout] 14 | | * / \ [INFO] [stdout] 15 | | * 4 8 [INFO] [stdout] 16 | | * / / \ [INFO] [stdout] | |___^ [INFO] [stdout] | [INFO] [stdout] = note: error from rustc: unknown start of token: \ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: could not parse code block as Rust code [INFO] [stdout] --> src/solution/s0124_binary_tree_maximum_path_sum.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | * 1 [INFO] [stdout] | ________^ [INFO] [stdout] 14 | | * / \ [INFO] [stdout] 15 | | * 2 3 [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: error from rustc: unknown start of token: \ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: could not parse code block as Rust code [INFO] [stdout] --> src/solution/s0310_minimum_height_trees.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | * 0 [INFO] [stdout] | ________^ [INFO] [stdout] 17 | | * | [INFO] [stdout] 18 | | * 1 [INFO] [stdout] 19 | | * / \ [INFO] [stdout] 20 | | * 2 3 [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: error from rustc: unknown start of token: \ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: could not parse code block as Rust code [INFO] [stdout] --> src/solution/s0310_minimum_height_trees.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | * 0 1 2 [INFO] [stdout] | ________^ [INFO] [stdout] 31 | | * \ | / [INFO] [stdout] 32 | | * 3 [INFO] [stdout] 33 | | * | [INFO] [stdout] 34 | | * 4 [INFO] [stdout] 35 | | * | [INFO] [stdout] 36 | | * 5 [INFO] [stdout] | |____________^ [INFO] [stdout] | [INFO] [stdout] = note: error from rustc: unknown start of token: \ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 16s [INFO] running `Command { std: "docker" "inspect" "c699a54156feb50c87e5ef3fcf3ceb673806f239f0c75980655664adf4528918", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c699a54156feb50c87e5ef3fcf3ceb673806f239f0c75980655664adf4528918", kill_on_drop: false }` [INFO] [stdout] c699a54156feb50c87e5ef3fcf3ceb673806f239f0c75980655664adf4528918