[INFO] cloning repository https://github.com/tt-abdulhaq/leetcode-top-interview-150
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tt-abdulhaq/leetcode-top-interview-150" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftt-abdulhaq%2Fleetcode-top-interview-150", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftt-abdulhaq%2Fleetcode-top-interview-150'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eccb6867051ee81de713e6fc39e2b1b3f294f97a
[INFO] checking tt-abdulhaq/leetcode-top-interview-150 against try#da0275e101cdc809ce291ed8b64d6f82c6b65467 for pr-134276
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftt-abdulhaq%2Fleetcode-top-interview-150" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tt-abdulhaq/leetcode-top-interview-150 on toolchain da0275e101cdc809ce291ed8b64d6f82c6b65467
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tt-abdulhaq/leetcode-top-interview-150
[INFO] finished tweaking git repo https://github.com/tt-abdulhaq/leetcode-top-interview-150
[INFO] tweaked toml for git repo https://github.com/tt-abdulhaq/leetcode-top-interview-150 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tt-abdulhaq/leetcode-top-interview-150 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" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] checking tt-abdulhaq/leetcode-top-interview-150 against try#da0275e101cdc809ce291ed8b64d6f82c6b65467 for pr-134276
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftt-abdulhaq%2Fleetcode-top-interview-150" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tt-abdulhaq/leetcode-top-interview-150 on toolchain da0275e101cdc809ce291ed8b64d6f82c6b65467
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tt-abdulhaq/leetcode-top-interview-150
[INFO] finished tweaking git repo https://github.com/tt-abdulhaq/leetcode-top-interview-150
[INFO] tweaked toml for git repo https://github.com/tt-abdulhaq/leetcode-top-interview-150 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tt-abdulhaq/leetcode-top-interview-150 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" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/bedbce61b0a04eee87bc7d075eeec0b5e83f83ae231eadfde3430df64afb0883-init: no space left on device
[INFO] checking tt-abdulhaq/leetcode-top-interview-150 against try#da0275e101cdc809ce291ed8b64d6f82c6b65467 for pr-134276
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftt-abdulhaq%2Fleetcode-top-interview-150" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] fatal: error closing file /workspace/builds/worker-6-tc2/source/.git/packed-refs.new: No space left on device
[INFO] checking tt-abdulhaq/leetcode-top-interview-150 against try#da0275e101cdc809ce291ed8b64d6f82c6b65467 for pr-134276
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftt-abdulhaq%2Fleetcode-top-interview-150" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tt-abdulhaq/leetcode-top-interview-150 on toolchain da0275e101cdc809ce291ed8b64d6f82c6b65467
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tt-abdulhaq/leetcode-top-interview-150
[INFO] finished tweaking git repo https://github.com/tt-abdulhaq/leetcode-top-interview-150
[INFO] tweaked toml for git repo https://github.com/tt-abdulhaq/leetcode-top-interview-150 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tt-abdulhaq/leetcode-top-interview-150 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" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de03299aa6bbaae9ac300d392a009f5945d2507bdf71eaf498ed00b2486ad503
[INFO] running `Command { std: "docker" "start" "-a" "de03299aa6bbaae9ac300d392a009f5945d2507bdf71eaf498ed00b2486ad503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de03299aa6bbaae9ac300d392a009f5945d2507bdf71eaf498ed00b2486ad503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de03299aa6bbaae9ac300d392a009f5945d2507bdf71eaf498ed00b2486ad503", kill_on_drop: false }`
[INFO] [stdout] de03299aa6bbaae9ac300d392a009f5945d2507bdf71eaf498ed00b2486ad503
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64545fd2327e3b524008bd029dac09b8bcccc785350df76c37bc938c6b10acaa
[INFO] running `Command { std: "docker" "start" "-a" "64545fd2327e3b524008bd029dac09b8bcccc785350df76c37bc938c6b10acaa", kill_on_drop: false }`
[INFO] [stderr]     Checking leetcode-top-interview-150 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut nums = vec![3,2,1,0,4];
[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 `merge` is never used
[INFO] [stdout]  --> src/array_string/merge_sorted_array.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn merge(nums1: &mut Vec<i32>, m: usize, nums2: &Vec<i32>, n: usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_element` is never used
[INFO] [stdout]  --> src/array_string/remove_element.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn remove_element(nums: &mut Vec<i32>, val: i32) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_duplicates` is never used
[INFO] [stdout]  --> src/array_string/remove_duplicates_from_sorted_array.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn remove_duplicates(nums: &mut Vec<i32>) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_duplicates_2` is never used
[INFO] [stdout]   --> src/array_string/remove_duplicates_from_sorted_array.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn remove_duplicates_2(nums: &mut Vec<i32>) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `majority_element` is never used
[INFO] [stdout]  --> src/array_string/majority_element.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn majority_element(nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotate` is never used
[INFO] [stdout]  --> src/array_string/rotate_array.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn rotate(nums: &mut Vec<i32>, k: i32) {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `max_profit` is never used
[INFO] [stdout]  --> src/array_string/max_profit.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn max_profit(prices: Vec<i32>) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `max_profit_2` is never used
[INFO] [stdout]   --> src/array_string/max_profit.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn max_profit_2(prices: Vec<i32>) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut nums = vec![3,2,1,0,4];
[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 `merge` is never used
[INFO] [stdout]  --> src/array_string/merge_sorted_array.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn merge(nums1: &mut Vec<i32>, m: usize, nums2: &Vec<i32>, n: usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_element` is never used
[INFO] [stdout]  --> src/array_string/remove_element.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn remove_element(nums: &mut Vec<i32>, val: i32) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_duplicates` is never used
[INFO] [stdout]  --> src/array_string/remove_duplicates_from_sorted_array.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn remove_duplicates(nums: &mut Vec<i32>) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_duplicates_2` is never used
[INFO] [stdout]   --> src/array_string/remove_duplicates_from_sorted_array.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn remove_duplicates_2(nums: &mut Vec<i32>) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `majority_element` is never used
[INFO] [stdout]  --> src/array_string/majority_element.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn majority_element(nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotate` is never used
[INFO] [stdout]  --> src/array_string/rotate_array.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn rotate(nums: &mut Vec<i32>, k: i32) {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `max_profit` is never used
[INFO] [stdout]  --> src/array_string/max_profit.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn max_profit(prices: Vec<i32>) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `max_profit_2` is never used
[INFO] [stdout]   --> src/array_string/max_profit.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn max_profit_2(prices: Vec<i32>) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "64545fd2327e3b524008bd029dac09b8bcccc785350df76c37bc938c6b10acaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64545fd2327e3b524008bd029dac09b8bcccc785350df76c37bc938c6b10acaa", kill_on_drop: false }`
[INFO] [stdout] 64545fd2327e3b524008bd029dac09b8bcccc785350df76c37bc938c6b10acaa