[INFO] cloning repository https://github.com/stefanMadzharov/towers_of_hanoi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stefanMadzharov/towers_of_hanoi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FstefanMadzharov%2Ftowers_of_hanoi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FstefanMadzharov%2Ftowers_of_hanoi'...
[INFO] [stderr] fatal: write error: No space left on device
[INFO] [stderr] fatal: fetch-pack: invalid index-pack output
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/stefanMadzharov/towers_of_hanoi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stefanMadzharov/towers_of_hanoi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FstefanMadzharov%2Ftowers_of_hanoi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FstefanMadzharov%2Ftowers_of_hanoi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b97af1103769469aaf47a9218678a4ae21526ca
[INFO] checking stefanMadzharov/towers_of_hanoi against master#e43d139a82620a268d3828a73e12a8679339e8f8 for pr-143545
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FstefanMadzharov%2Ftowers_of_hanoi" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/stefanMadzharov/towers_of_hanoi
[INFO] finished tweaking git repo https://github.com/stefanMadzharov/towers_of_hanoi
[INFO] tweaked toml for git repo https://github.com/stefanMadzharov/towers_of_hanoi written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/stefanMadzharov/towers_of_hanoi on toolchain e43d139a82620a268d3828a73e12a8679339e8f8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e43d139a82620a268d3828a73e12a8679339e8f8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/stefanMadzharov/towers_of_hanoi 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" "+e43d139a82620a268d3828a73e12a8679339e8f8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+e43d139a82620a268d3828a73e12a8679339e8f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5733036b9ae5c0364760b4b05f5ee4d7f63a68ba463770bae194a6faefdd1aa3
[INFO] running `Command { std: "docker" "start" "-a" "5733036b9ae5c0364760b4b05f5ee4d7f63a68ba463770bae194a6faefdd1aa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5733036b9ae5c0364760b4b05f5ee4d7f63a68ba463770bae194a6faefdd1aa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5733036b9ae5c0364760b4b05f5ee4d7f63a68ba463770bae194a6faefdd1aa3", kill_on_drop: false }`
[INFO] [stdout] 5733036b9ae5c0364760b4b05f5ee4d7f63a68ba463770bae194a6faefdd1aa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+e43d139a82620a268d3828a73e12a8679339e8f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8da806e6bef44a27efe2320cbba748cf22e18b5dc84059208e7e977c396db044
[INFO] running `Command { std: "docker" "start" "-a" "8da806e6bef44a27efe2320cbba748cf22e18b5dc84059208e7e977c396db044", kill_on_drop: false }`
[INFO] [stderr]     Checking towers-of-hanoi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `hanoi` is never used
[INFO] [stdout]  --> src/main.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn hanoi(n: u32, source: &str, target: &str, auxiliary: &str) -> Vec<(String, String)> {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/towers-of-hanoi-2118e7fe7bea1c73/bin-towers-of-hanoi`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetasrryG3"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `towers-of-hanoi` (bin "towers-of-hanoi" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "8da806e6bef44a27efe2320cbba748cf22e18b5dc84059208e7e977c396db044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8da806e6bef44a27efe2320cbba748cf22e18b5dc84059208e7e977c396db044", kill_on_drop: false }`
[INFO] [stdout] 8da806e6bef44a27efe2320cbba748cf22e18b5dc84059208e7e977c396db044