[INFO] cloning repository https://github.com/soerenreichardt/codewars
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/soerenreichardt/codewars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoerenreichardt%2Fcodewars", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoerenreichardt%2Fcodewars'...
[INFO] [stderr] error: copy-fd: write returned: No space left on device
[INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-rebase.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoerenreichardt%2Fcodewars/hooks/pre-rebase.sample': No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/soerenreichardt/codewars
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/soerenreichardt/codewars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoerenreichardt%2Fcodewars", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoerenreichardt%2Fcodewars'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] abd04f5fde6e557655a1c32457a23226bcfc2c6b
[INFO] checking soerenreichardt/codewars against try#5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 for pr-143808
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoerenreichardt%2Fcodewars" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] fatal: could not create work tree dir '/workspace/builds/worker-1-tc2/source': No space left on device
[INFO] checking soerenreichardt/codewars against try#5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 for pr-143808
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoerenreichardt%2Fcodewars" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: unable to write symref for HEAD: No space left on device
[INFO] [stderr] fatal: unable to update HEAD
[INFO] checking soerenreichardt/codewars against try#5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 for pr-143808
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoerenreichardt%2Fcodewars" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: Unable to create '/workspace/builds/worker-1-tc2/source/.git/refs/remotes/origin/HEAD.lock': No such file or directory
[INFO] [stderr] fatal: unable to update refs/remotes/origin/HEAD
[INFO] checking soerenreichardt/codewars against try#5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 for pr-143808
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoerenreichardt%2Fcodewars" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/soerenreichardt/codewars
[INFO] finished tweaking git repo https://github.com/soerenreichardt/codewars
[INFO] tweaked toml for git repo https://github.com/soerenreichardt/codewars written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/soerenreichardt/codewars on toolchain 5de9e0e6cf775e94e0de2003f35e183f3f77bfe8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/soerenreichardt/codewars 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" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0608f5c04837ac39a121cfd705e6bed6a53c89909227cca6478f605a694aa6a2
[INFO] running `Command { std: "docker" "start" "-a" "0608f5c04837ac39a121cfd705e6bed6a53c89909227cca6478f605a694aa6a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0608f5c04837ac39a121cfd705e6bed6a53c89909227cca6478f605a694aa6a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0608f5c04837ac39a121cfd705e6bed6a53c89909227cca6478f605a694aa6a2", kill_on_drop: false }`
[INFO] [stdout] 0608f5c04837ac39a121cfd705e6bed6a53c89909227cca6478f605a694aa6a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d19a23fca6e6c88000fa50227245e4c8724060c40f9acf30efad5efdb850079
[INFO] running `Command { std: "docker" "start" "-a" "4d19a23fca6e6c88000fa50227245e4c8724060c40f9acf30efad5efdb850079", kill_on_drop: false }`
[INFO] [stderr]     Checking codewars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `find_all` is never used
[INFO] [stdout]  --> src/how_many_numbers/mod.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn find_all(sum_dig: u8, digs: u8) -> Option<(usize, u64, u64)> {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `descending_order` is never used
[INFO] [stdout]  --> src/descending_order/mod.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn descending_order(x: u64) -> u64 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `in_array` is never used
[INFO] [stdout]  --> src/which_are_in/mod.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn in_array(arr_a: &[&str], arr_b: &[&str]) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_smallest` is never used
[INFO] [stdout]  --> src/remove_smallest/mod.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn remove_smallest(numbers: &[u32]) -> Vec<u32> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stock_list` is never used
[INFO] [stdout]  --> src/help_the_bookseller/mod.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn stock_list(list_art: Vec<&str>, list_cat: Vec<&str>) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "4d19a23fca6e6c88000fa50227245e4c8724060c40f9acf30efad5efdb850079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d19a23fca6e6c88000fa50227245e4c8724060c40f9acf30efad5efdb850079", kill_on_drop: false }`
[INFO] [stdout] 4d19a23fca6e6c88000fa50227245e4c8724060c40f9acf30efad5efdb850079