[INFO] cloning repository https://github.com/yusuf-cirak/polkadot-bootcamp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yusuf-cirak/polkadot-bootcamp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyusuf-cirak%2Fpolkadot-bootcamp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyusuf-cirak%2Fpolkadot-bootcamp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da8fc9757d14c2b44fcf1b61d8047e726e7b58be
[INFO] checking yusuf-cirak/polkadot-bootcamp against master#336209eef13882bd1e211b24779584cb7ef911eb for pr-129249
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyusuf-cirak%2Fpolkadot-bootcamp" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yusuf-cirak/polkadot-bootcamp on toolchain 336209eef13882bd1e211b24779584cb7ef911eb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yusuf-cirak/polkadot-bootcamp
[INFO] finished tweaking git repo https://github.com/yusuf-cirak/polkadot-bootcamp
[INFO] tweaked toml for git repo https://github.com/yusuf-cirak/polkadot-bootcamp written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yusuf-cirak/polkadot-bootcamp 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" "+336209eef13882bd1e211b24779584cb7ef911eb" "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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 011c3c9fc3cdf9a88baa335b5640b3a99972fc68f93752251434a9d3ef5ae230
[INFO] running `Command { std: "docker" "start" "-a" "011c3c9fc3cdf9a88baa335b5640b3a99972fc68f93752251434a9d3ef5ae230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "011c3c9fc3cdf9a88baa335b5640b3a99972fc68f93752251434a9d3ef5ae230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "011c3c9fc3cdf9a88baa335b5640b3a99972fc68f93752251434a9d3ef5ae230", kill_on_drop: false }`
[INFO] [stdout] 011c3c9fc3cdf9a88baa335b5640b3a99972fc68f93752251434a9d3ef5ae230
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e380d57b7bca5665b2b720e3f7ce984d83b16f05a3b3b0e4cb39d77ee02f05ae
[INFO] running `Command { std: "docker" "start" "-a" "e380d57b7bca5665b2b720e3f7ce984d83b16f05a3b3b0e4cb39d77ee02f05ae", kill_on_drop: false }`
[INFO] [stderr]     Checking poldakot-bootcamp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `week_1::*`
[INFO] [stdout]  --> src/assignments/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use week_1::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `week_2::*`
[INFO] [stdout]  --> src/assignments/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use week_2::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `week_1::*`
[INFO] [stdout]  --> src/assignments/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use week_1::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `week_2::*`
[INFO] [stdout]  --> src/assignments/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use week_2::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `concatenate_strings` is never used
[INFO] [stdout]  --> src/assignments/week_1.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn concatenate_strings(string1: &str, string2: &str) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `concatenate_strings` is never used
[INFO] [stdout]  --> src/assignments/week_1.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn concatenate_strings(string1: &str, string2: &str) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `poldakot-bootcamp` (bin "poldakot-bootcamp" test); 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/336209eef13882bd1e211b24779584cb7ef911eb/bin/rustc --crate-name poldakot_bootcamp --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=2aa2964f36ed8ab2 -C extra-filename=-a2800032a8b4a51f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `poldakot-bootcamp` (bin "poldakot-bootcamp"); 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/336209eef13882bd1e211b24779584cb7ef911eb/bin/rustc --crate-name poldakot_bootcamp --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=203d3008f7e59e69 -C extra-filename=-acd70ada23dc4760 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e380d57b7bca5665b2b720e3f7ce984d83b16f05a3b3b0e4cb39d77ee02f05ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e380d57b7bca5665b2b720e3f7ce984d83b16f05a3b3b0e4cb39d77ee02f05ae", kill_on_drop: false }`
[INFO] [stdout] e380d57b7bca5665b2b720e3f7ce984d83b16f05a3b3b0e4cb39d77ee02f05ae