[INFO] cloning repository https://github.com/ZhuJiaqi9905/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/ZhuJiaqi9905/leetcode_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZhuJiaqi9905%2Fleetcode_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZhuJiaqi9905%2Fleetcode_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8b57e67bb3cc34f2bbfc945eb428fa3f2e8be72c [INFO] checking ZhuJiaqi9905/leetcode_rust against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZhuJiaqi9905%2Fleetcode_rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ZhuJiaqi9905/leetcode_rust on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ZhuJiaqi9905/leetcode_rust [INFO] finished tweaking git repo https://github.com/ZhuJiaqi9905/leetcode_rust [INFO] tweaked toml for git repo https://github.com/ZhuJiaqi9905/leetcode_rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ZhuJiaqi9905/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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.2.124 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c8c39aa2a46d563f49c32b8df5abb9754862a2fc2d0f7ace50fadaf205591ec2 [INFO] running `Command { std: "docker" "start" "-a" "c8c39aa2a46d563f49c32b8df5abb9754862a2fc2d0f7ace50fadaf205591ec2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c8c39aa2a46d563f49c32b8df5abb9754862a2fc2d0f7ace50fadaf205591ec2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8c39aa2a46d563f49c32b8df5abb9754862a2fc2d0f7ace50fadaf205591ec2", kill_on_drop: false }` [INFO] [stdout] c8c39aa2a46d563f49c32b8df5abb9754862a2fc2d0f7ace50fadaf205591ec2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a283c9ff8720725f79694d79eec57c4ef64e420fc5731a134f7d7d5ffc846444 [INFO] running `Command { std: "docker" "start" "-a" "a283c9ff8720725f79694d79eec57c4ef64e420fc5731a134f7d7d5ffc846444", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.124 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: invalid character `' '` in crate name: `341m_ flatten_nested_list_iterator` [INFO] [stdout] | [INFO] [stdout] = help: you can either pass `--crate-name` on the command line or add `#![crate_name="…"]` to set the crate name [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `leetcode` (example "341m_ flatten_nested_list_iterator") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused import: `Ref` [INFO] [stdout] --> examples/968h_binary_tree_cameras.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cell::{Ref, RefCell}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashSet` [INFO] [stdout] --> examples/968h_binary_tree_cameras.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter::FromIterator` [INFO] [stdout] --> examples/968h_binary_tree_cameras.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Instant` [INFO] [stdout] --> examples/968h_binary_tree_cameras.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::time::Instant; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Ref` [INFO] [stdout] --> examples/865m_smallest_subtree_with_all_the_deepest_nodes.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cell::{Ref, RefCell}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashSet` [INFO] [stdout] --> examples/865m_smallest_subtree_with_all_the_deepest_nodes.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::hash::Hash` [INFO] [stdout] --> examples/865m_smallest_subtree_with_all_the_deepest_nodes.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::hash::Hash; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter::FromIterator` [INFO] [stdout] --> examples/865m_smallest_subtree_with_all_the_deepest_nodes.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Instant` [INFO] [stdout] --> examples/865m_smallest_subtree_with_all_the_deepest_nodes.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::time::Instant; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `min_camera_cover` and `set_camera` are never used [INFO] [stdout] --> examples/968h_binary_tree_cameras.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 23 | impl Solution { [INFO] [stdout] | ------------- associated functions in this implementation [INFO] [stdout] 24 | pub fn min_camera_cover(root: Option>>) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | fn set_camera(root: Option>>, has_parent: bool, ans: &mut i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> examples/968h_binary_tree_cameras.rs:66:8 [INFO] [stdout] | [INFO] [stdout] 66 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Ans` is never constructed [INFO] [stdout] --> examples/865m_smallest_subtree_with_all_the_deepest_nodes.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | struct Ans { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> examples/865m_smallest_subtree_with_all_the_deepest_nodes.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 28 | impl Ans { [INFO] [stdout] | -------- associated function in this implementation [INFO] [stdout] 29 | pub fn new(node: Option>>, depth: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `subtree_with_all_deepest` and `max_depth` are never used [INFO] [stdout] --> examples/865m_smallest_subtree_with_all_the_deepest_nodes.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 33 | impl Solution { [INFO] [stdout] | ------------- associated functions in this implementation [INFO] [stdout] 34 | pub fn subtree_with_all_deepest( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 40 | fn max_depth(root: Option>>) -> Ans { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> examples/865m_smallest_subtree_with_all_the_deepest_nodes.rs:60:8 [INFO] [stdout] | [INFO] [stdout] 60 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `can_win_nim` is never used [INFO] [stdout] --> examples/292e_nim_game.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 1 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 2 | pub fn can_win_nim(n: i32) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> examples/292e_nim_game.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `is_balanced` and `depth` are never used [INFO] [stdout] --> examples/110e_balanced_binary_tree.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 21 | impl Solution { [INFO] [stdout] | ------------- associated functions in this implementation [INFO] [stdout] 22 | pub fn is_balanced(root: Option>>) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | fn depth(root: Option>>, is_balance: &mut bool) -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> examples/110e_balanced_binary_tree.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 40 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a283c9ff8720725f79694d79eec57c4ef64e420fc5731a134f7d7d5ffc846444", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a283c9ff8720725f79694d79eec57c4ef64e420fc5731a134f7d7d5ffc846444", kill_on_drop: false }` [INFO] [stdout] a283c9ff8720725f79694d79eec57c4ef64e420fc5731a134f7d7d5ffc846444 [INFO] checking ZhuJiaqi9905/leetcode_rust against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZhuJiaqi9905%2Fleetcode_rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ZhuJiaqi9905/leetcode_rust on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ZhuJiaqi9905/leetcode_rust [INFO] finished tweaking git repo https://github.com/ZhuJiaqi9905/leetcode_rust [INFO] tweaked toml for git repo https://github.com/ZhuJiaqi9905/leetcode_rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ZhuJiaqi9905/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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a5363a4d82618f8184509277f2227082075cbcb033f8be0740ba6f00effcd05e [INFO] running `Command { std: "docker" "start" "-a" "a5363a4d82618f8184509277f2227082075cbcb033f8be0740ba6f00effcd05e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a5363a4d82618f8184509277f2227082075cbcb033f8be0740ba6f00effcd05e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5363a4d82618f8184509277f2227082075cbcb033f8be0740ba6f00effcd05e", kill_on_drop: false }` [INFO] [stdout] a5363a4d82618f8184509277f2227082075cbcb033f8be0740ba6f00effcd05e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] daf09dddac3a5b0a17743022f240843fc01944fa94eba10f5b8e4ebd24187db9 [INFO] running `Command { std: "docker" "start" "-a" "daf09dddac3a5b0a17743022f240843fc01944fa94eba10f5b8e4ebd24187db9", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] skipping non-2021 edition `2018` [INFO] running `Command { std: "docker" "inspect" "daf09dddac3a5b0a17743022f240843fc01944fa94eba10f5b8e4ebd24187db9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "daf09dddac3a5b0a17743022f240843fc01944fa94eba10f5b8e4ebd24187db9", kill_on_drop: false }` [INFO] [stdout] daf09dddac3a5b0a17743022f240843fc01944fa94eba10f5b8e4ebd24187db9