[INFO] cloning repository https://github.com/xerenahmed/rustycodecov
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xerenahmed/rustycodecov" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxerenahmed%2Frustycodecov", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxerenahmed%2Frustycodecov'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c0e1831c9ba133f7247607f41417d53134392885
[INFO] checking xerenahmed/rustycodecov against master#a42d94ebb883116f2867cbe3016d9bde9ca6d3f7 for pr-117593
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxerenahmed%2Frustycodecov" "/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/xerenahmed/rustycodecov on toolchain a42d94ebb883116f2867cbe3016d9bde9ca6d3f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a42d94ebb883116f2867cbe3016d9bde9ca6d3f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xerenahmed/rustycodecov
[INFO] finished tweaking git repo https://github.com/xerenahmed/rustycodecov
[INFO] tweaked toml for git repo https://github.com/xerenahmed/rustycodecov written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/xerenahmed/rustycodecov 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" "+a42d94ebb883116f2867cbe3016d9bde9ca6d3f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+a42d94ebb883116f2867cbe3016d9bde9ca6d3f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e232a7fbce61896e9c3c0131b3339d3e9236147963fabbe28c580a0466826b34
[INFO] running `Command { std: "docker" "start" "-a" "e232a7fbce61896e9c3c0131b3339d3e9236147963fabbe28c580a0466826b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e232a7fbce61896e9c3c0131b3339d3e9236147963fabbe28c580a0466826b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e232a7fbce61896e9c3c0131b3339d3e9236147963fabbe28c580a0466826b34", kill_on_drop: false }`
[INFO] [stdout] e232a7fbce61896e9c3c0131b3339d3e9236147963fabbe28c580a0466826b34
[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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+a42d94ebb883116f2867cbe3016d9bde9ca6d3f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7070dfffd5cd0d7d5d0322ecebfaaf76d87b3c7fdf09c9392d9c84df1118c8e
[INFO] running `Command { std: "docker" "start" "-a" "c7070dfffd5cd0d7d5d0322ecebfaaf76d87b3c7fdf09c9392d9c84df1118c8e", kill_on_drop: false }`
[INFO] [stderr]     Checking rustycodecov v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/math.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn add(a: i32, b: i32) -> i32 {
[INFO] [stdout]   |    ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sub` is never used
[INFO] [stdout]  --> src/math.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn sub(a: i32, b: i32) -> i32 {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gen_arr` is never used
[INFO] [stdout]  --> src/arr.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn gen_arr() -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `contains` is never used
[INFO] [stdout]  --> src/arr.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn contains(arr: &Vec<i32>, n: i32) -> bool {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unused` is never used
[INFO] [stdout]   --> src/arr.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn unused() -> i32 {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unused` is never used
[INFO] [stdout]   --> src/arr.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn unused() -> i32 {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/rustycodecov-8450b30c19ac92a5/test-bin-rustycodecov`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "c7070dfffd5cd0d7d5d0322ecebfaaf76d87b3c7fdf09c9392d9c84df1118c8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7070dfffd5cd0d7d5d0322ecebfaaf76d87b3c7fdf09c9392d9c84df1118c8e", kill_on_drop: false }`
[INFO] [stdout] c7070dfffd5cd0d7d5d0322ecebfaaf76d87b3c7fdf09c9392d9c84df1118c8e
[INFO] checking xerenahmed/rustycodecov against try#031b389f0c31c0f91c9464d26313ae513dbe8d36 for pr-117593
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxerenahmed%2Frustycodecov" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] fatal: could not create leading directories of '/workspace/builds/worker-4-tc2/source': No space left on device
[INFO] checking xerenahmed/rustycodecov against try#031b389f0c31c0f91c9464d26313ae513dbe8d36 for pr-117593
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxerenahmed%2Frustycodecov" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] fatal: could not create leading directories of '/workspace/builds/worker-4-tc2/source': No space left on device
[INFO] checking xerenahmed/rustycodecov against try#031b389f0c31c0f91c9464d26313ae513dbe8d36 for pr-117593
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxerenahmed%2Frustycodecov" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] fatal: could not create leading directories of '/workspace/builds/worker-4-tc2/source': No space left on device
[INFO] checking xerenahmed/rustycodecov against try#031b389f0c31c0f91c9464d26313ae513dbe8d36 for pr-117593
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxerenahmed%2Frustycodecov" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] fatal: could not create leading directories of '/workspace/builds/worker-4-tc2/source': No space left on device
[INFO] checking xerenahmed/rustycodecov against try#031b389f0c31c0f91c9464d26313ae513dbe8d36 for pr-117593
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxerenahmed%2Frustycodecov" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] fatal: could not create leading directories of '/workspace/builds/worker-4-tc2/source': No space left on device
[ERROR] this task or one of its parent failed!
[ERROR] failed to checkout https://github.com/xerenahmed/rustycodecov
[ERROR] caused by: command failed: exit status: 128
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.