[INFO] cloning repository https://github.com/c6supper/leetcode-way-to-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/c6supper/leetcode-way-to-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc6supper%2Fleetcode-way-to-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc6supper%2Fleetcode-way-to-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 92a8d125af31c47d821744a5e5675373fc34680a [INFO] checking c6supper/leetcode-way-to-rust/92a8d125af31c47d821744a5e5675373fc34680a against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc6supper%2Fleetcode-way-to-rust" "/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/c6supper/leetcode-way-to-rust on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/c6supper/leetcode-way-to-rust [INFO] finished tweaking git repo https://github.com/c6supper/leetcode-way-to-rust [INFO] tweaked toml for git repo https://github.com/c6supper/leetcode-way-to-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/c6supper/leetcode-way-to-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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded embed-doc-image v0.1.4 [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 59b8ca22866fd2cd4398307837adbbca7ff32c56cdc61f9113bbcd72ab9c2729 [INFO] running `Command { std: "docker" "start" "-a" "59b8ca22866fd2cd4398307837adbbca7ff32c56cdc61f9113bbcd72ab9c2729", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "59b8ca22866fd2cd4398307837adbbca7ff32c56cdc61f9113bbcd72ab9c2729", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59b8ca22866fd2cd4398307837adbbca7ff32c56cdc61f9113bbcd72ab9c2729", kill_on_drop: false }` [INFO] [stdout] 59b8ca22866fd2cd4398307837adbbca7ff32c56cdc61f9113bbcd72ab9c2729 [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 78b05a3379a1c5b7de6318e5d44c665fb654710667e746821b0b8fe2323cb47d [INFO] running `Command { std: "docker" "start" "-a" "78b05a3379a1c5b7de6318e5d44c665fb654710667e746821b0b8fe2323cb47d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.60 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling base64 v0.13.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling libc v0.2.146 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling serde v1.0.164 [INFO] [stderr] Checking memoffset v0.9.0 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Checking ryu v1.0.13 [INFO] [stderr] Checking ciborium-io v0.2.1 [INFO] [stderr] Checking plotters-backend v0.3.4 [INFO] [stderr] Checking os_str_bytes v6.5.1 [INFO] [stderr] Checking ciborium-ll v0.2.1 [INFO] [stderr] Checking indexmap v1.9.3 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking plotters-svg v0.3.3 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Compiling quote v1.0.28 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Compiling syn v2.0.18 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking textwrap v0.16.0 [INFO] [stderr] Checking regex-syntax v0.7.2 [INFO] [stderr] Checking walkdir v2.3.3 [INFO] [stderr] Checking num_cpus v1.15.0 [INFO] [stderr] Checking clap v3.2.25 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rayon-core v1.11.0 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking plotters v0.3.4 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking rayon v1.7.0 [INFO] [stderr] Checking simplify_path v0.1.0 (/opt/rustwide/workdir/crates/simplify_path) [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking dp v0.1.0 (/opt/rustwide/workdir/crates/dp) [INFO] [stderr] Checking last_stone_weight_ii v0.1.0 (/opt/rustwide/workdir/crates/last_stone_weight_ii) [INFO] [stderr] Checking assign_cookies v0.1.0 (/opt/rustwide/workdir/crates/assign_cookies) [INFO] [stderr] Checking longest_substring_no_repeat v0.1.0 (/opt/rustwide/workdir/crates/longest_substring_no_repeat) [INFO] [stderr] Checking combination_sum_vi v0.1.0 (/opt/rustwide/workdir/crates/combination_sum_vi) [INFO] [stderr] Checking minimum_size_subarray_sum v0.1.0 (/opt/rustwide/workdir/crates/minimum_size_subarray_sum) [INFO] [stderr] Checking target_sum v0.1.0 (/opt/rustwide/workdir/crates/target_sum) [INFO] [stderr] Checking best_time_to_buy_and_sell_stock v0.1.0 (/opt/rustwide/workdir/crates/best_time_to_buy_and_sell_stock) [INFO] [stderr] Checking regex v1.8.4 [INFO] [stderr] Checking ones_and_zeros v0.1.0 (/opt/rustwide/workdir/crates/ones_and_zeros) [INFO] [stderr] Checking minimize_maximum_of_array v0.1.0 (/opt/rustwide/workdir/crates/minimize_maximum_of_array) [INFO] [stderr] Checking coin_change_ii v0.1.0 (/opt/rustwide/workdir/crates/coin_change_ii) [INFO] [stderr] Checking partition_equal_subset_sum v0.1.0 (/opt/rustwide/workdir/crates/partition_equal_subset_sum) [INFO] [stderr] Checking best_time_to_buy_and_sell_stock_ii v0.1.0 (/opt/rustwide/workdir/crates/best_time_to_buy_and_sell_stock_ii) [INFO] [stderr] Checking house_robber v0.1.0 (/opt/rustwide/workdir/crates/house_robber) [INFO] [stderr] Checking house_robber_ii v0.1.0 (/opt/rustwide/workdir/crates/house_robber_ii) [INFO] [stderr] Checking climbing_stairs v0.1.0 (/opt/rustwide/workdir/crates/climbing_stairs) [INFO] [stderr] Checking best_time_to_buy_and_sell_stock_iii v0.1.0 (/opt/rustwide/workdir/crates/best_time_to_buy_and_sell_stock_iii) [INFO] [stderr] Checking perfect_squares v0.1.0 (/opt/rustwide/workdir/crates/perfect_squares) [INFO] [stderr] Compiling serde_derive v1.0.164 [INFO] [stderr] Compiling embed-doc-image v0.1.4 [INFO] [stderr] Checking bst v0.1.0 (/opt/rustwide/workdir/crates/bst) [INFO] [stderr] Checking bst_level_traverse v0.1.0 (/opt/rustwide/workdir/crates/bst_level_traverse) [INFO] [stderr] Checking min_depth_bst v0.1.0 (/opt/rustwide/workdir/crates/min_depth_bst) [INFO] [stderr] Checking house_robber_iii v0.1.0 (/opt/rustwide/workdir/crates/house_robber_iii) [INFO] [stderr] Checking bst_path v0.1.0 (/opt/rustwide/workdir/crates/bst_path) [INFO] [stderr] Checking clone_graph v0.1.0 (/opt/rustwide/workdir/crates/clone_graph) [INFO] [stderr] Checking add_two_numbers v0.1.0 (/opt/rustwide/workdir/crates/add_two_numbers) [INFO] [stderr] Checking symmetric_tree v0.1.0 (/opt/rustwide/workdir/crates/symmetric_tree) [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> crates/bst_path/src/lib.rs:57:10 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn binary_tree_paths( [INFO] [stdout] | ----------------- implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] 56 | root: Option>>, [INFO] [stdout] 57 | ) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ expected `Vec`, found `()` [INFO] [stdout] | [INFO] [stdout] = note: expected struct `Vec` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `bst_path` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> crates/bst_path/src/lib.rs:57:10 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn binary_tree_paths( [INFO] [stdout] | ----------------- implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] 56 | root: Option>>, [INFO] [stdout] 57 | ) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ expected `Vec`, found `()` [INFO] [stdout] | [INFO] [stdout] = note: expected struct `Vec` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `bst_path` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "78b05a3379a1c5b7de6318e5d44c665fb654710667e746821b0b8fe2323cb47d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78b05a3379a1c5b7de6318e5d44c665fb654710667e746821b0b8fe2323cb47d", kill_on_drop: false }` [INFO] [stdout] 78b05a3379a1c5b7de6318e5d44c665fb654710667e746821b0b8fe2323cb47d