[INFO] cloning repository https://github.com/tonystr/leet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tonystr/leet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonystr%2Fleet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonystr%2Fleet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec5492fa2c94abeaa03a253efc6603eb66fdca5f
[INFO] checking tonystr/leet against try#f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2 for pr-156992
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonystr%2Fleet" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tonystr/leet
[INFO] finished tweaking git repo https://github.com/tonystr/leet
[INFO] tweaked toml for git repo https://github.com/tonystr/leet written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tonystr/leet on toolchain f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tonystr/leet 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" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0b4fcdba7e787ce2a1e8c8a9d2bc103ee330083e75cfbbcdf6848389718f6b9
[INFO] running `Command { std: "docker" "start" "-a" "e0b4fcdba7e787ce2a1e8c8a9d2bc103ee330083e75cfbbcdf6848389718f6b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0b4fcdba7e787ce2a1e8c8a9d2bc103ee330083e75cfbbcdf6848389718f6b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0b4fcdba7e787ce2a1e8c8a9d2bc103ee330083e75cfbbcdf6848389718f6b9", kill_on_drop: false }`
[INFO] [stdout] e0b4fcdba7e787ce2a1e8c8a9d2bc103ee330083e75cfbbcdf6848389718f6b9
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1111793b5df8dbd16c87639ee73122962d17fadf9555cbb287061ec151ac57b
[INFO] running `Command { std: "docker" "start" "-a" "a1111793b5df8dbd16c87639ee73122962d17fadf9555cbb287061ec151ac57b", kill_on_drop: false }`
[INFO] [stderr]     Checking leet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `convert` is never used
[INFO] [stdout]  --> src/bin/zigzag.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn convert(s: String, num_rows: i32) -> String {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum` is never used
[INFO] [stdout]  --> src/bin/two_sum.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `length_of_longest_substring` is never used
[INFO] [stdout]  --> src/bin/longest_substring.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn length_of_longest_substring(string: String) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_unique_substring` is never used
[INFO] [stdout]   --> src/bin/longest_substring.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn longest_unique_substring(string: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `try_from_vec` are never used
[INFO] [stdout]   --> src/bin/add_two_numbers.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl ListNode {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout]  8 |     #[inline]
[INFO] [stdout]  9 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn try_from_vec(vec: &Vec<i32>) -> Option<Box<Self>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_two_numbers` is never used
[INFO] [stdout]   --> src/bin/add_two_numbers.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn add_two_numbers(l1: Option<Box<ListNode>>, l2: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `try_from_vec` are never used
[INFO] [stdout]   --> src/main.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl ListNode {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout]  8 |     #[inline]
[INFO] [stdout]  9 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn try_from_vec(vec: &Vec<i32>) -> Option<Box<Self>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_two_numbers` is never used
[INFO] [stdout]   --> src/main.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn add_two_numbers(l1: Option<Box<ListNode>>, l2: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "a1111793b5df8dbd16c87639ee73122962d17fadf9555cbb287061ec151ac57b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1111793b5df8dbd16c87639ee73122962d17fadf9555cbb287061ec151ac57b", kill_on_drop: false }`
[INFO] [stdout] a1111793b5df8dbd16c87639ee73122962d17fadf9555cbb287061ec151ac57b
