[INFO] cloning repository https://github.com/ityy/rust_leet_code [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ityy/rust_leet_code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fityy%2Frust_leet_code", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fityy%2Frust_leet_code'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 800474f48127d0f3af67311c6cbb77ff76bcd076 [INFO] checking ityy/rust_leet_code against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fityy%2Frust_leet_code" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ityy/rust_leet_code on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ityy/rust_leet_code [INFO] finished tweaking git repo https://github.com/ityy/rust_leet_code [INFO] tweaked toml for git repo https://github.com/ityy/rust_leet_code written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/ityy/rust_leet_code already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3680f3992b5ec2c75a0085219a8752c7d119931bbd8f0abfc660f4fee7cafbee [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" "3680f3992b5ec2c75a0085219a8752c7d119931bbd8f0abfc660f4fee7cafbee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3680f3992b5ec2c75a0085219a8752c7d119931bbd8f0abfc660f4fee7cafbee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3680f3992b5ec2c75a0085219a8752c7d119931bbd8f0abfc660f4fee7cafbee", kill_on_drop: false }` [INFO] [stdout] 3680f3992b5ec2c75a0085219a8752c7d119931bbd8f0abfc660f4fee7cafbee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7b3b2d4d0d43015dcb3a56ea460968fec0ff0218e72034608e3833235342260f [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" "7b3b2d4d0d43015dcb3a56ea460968fec0ff0218e72034608e3833235342260f", kill_on_drop: false }` [INFO] [stderr] Checking rust_leet_code v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/sn1_1_100/t2_add_two_numbers.rs:28:19 [INFO] [stdout] | [INFO] [stdout] 28 | l1_num += (l.val as u128 * a); [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 assigned value [INFO] [stdout] --> src/sn1_1_100/t2_add_two_numbers.rs:34:19 [INFO] [stdout] | [INFO] [stdout] 34 | l2_num += (l.val as u128 * a); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/sn1_1_100/t2_add_two_numbers.rs:28:19 [INFO] [stdout] | [INFO] [stdout] 28 | l1_num += (l.val as u128 * a); [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 assigned value [INFO] [stdout] --> src/sn1_1_100/t2_add_two_numbers.rs:34:19 [INFO] [stdout] | [INFO] [stdout] 34 | l2_num += (l.val as u128 * a); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/sn1_1_100/t2_add_two_numbers.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let mut result = ListNode::new(num as i32); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `two_sum` [INFO] [stdout] --> src/sn1_1_100/t1_two_sum.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn two_sum(nums: Vec, target: i32) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `two_sum2` [INFO] [stdout] --> src/sn1_1_100/t1_two_sum.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn two_sum2(nums: Vec, target: i32) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/sn1_1_100/t2_add_two_numbers.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `add_two_numbers1` [INFO] [stdout] --> src/sn1_1_100/t2_add_two_numbers.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn add_two_numbers1(l1: Option>, l2: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `add_two_numbers` [INFO] [stdout] --> src/sn1_1_100/t2_add_two_numbers.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn add_two_numbers(l1: Option>, l2: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/sn1_1_100/t2_add_two_numbers.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let mut result = ListNode::new(num as i32); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `two_sum` [INFO] [stdout] --> src/sn1_1_100/t1_two_sum.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn two_sum(nums: Vec, target: i32) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `two_sum2` [INFO] [stdout] --> src/sn1_1_100/t1_two_sum.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn two_sum2(nums: Vec, target: i32) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.91s [INFO] running `Command { std: "docker" "inspect" "7b3b2d4d0d43015dcb3a56ea460968fec0ff0218e72034608e3833235342260f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b3b2d4d0d43015dcb3a56ea460968fec0ff0218e72034608e3833235342260f", kill_on_drop: false }` [INFO] [stdout] 7b3b2d4d0d43015dcb3a56ea460968fec0ff0218e72034608e3833235342260f