[INFO] cloning repository https://github.com/X-leaf7/hackerrank-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/X-leaf7/hackerrank-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FX-leaf7%2Fhackerrank-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FX-leaf7%2Fhackerrank-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1cdd063cbcc490f1f7f8b328f525049cf0f9f193
[INFO] checking X-leaf7/hackerrank-rust/1cdd063cbcc490f1f7f8b328f525049cf0f9f193 against try#0d69e2d38d443a5f5bcd601fecce9431b3835c30 for pr-130531
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FX-leaf7%2Fhackerrank-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/X-leaf7/hackerrank-rust on toolchain 0d69e2d38d443a5f5bcd601fecce9431b3835c30
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d69e2d38d443a5f5bcd601fecce9431b3835c30" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/X-leaf7/hackerrank-rust
[INFO] finished tweaking git repo https://github.com/X-leaf7/hackerrank-rust
[INFO] tweaked toml for git repo https://github.com/X-leaf7/hackerrank-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/X-leaf7/hackerrank-rust 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" "+0d69e2d38d443a5f5bcd601fecce9431b3835c30" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+0d69e2d38d443a5f5bcd601fecce9431b3835c30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 297c6d73ac462939c28b50d53cc34eb36916ab3dce79e6fbcca990c2bd6fdd4c
[INFO] running `Command { std: "docker" "start" "-a" "297c6d73ac462939c28b50d53cc34eb36916ab3dce79e6fbcca990c2bd6fdd4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "297c6d73ac462939c28b50d53cc34eb36916ab3dce79e6fbcca990c2bd6fdd4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "297c6d73ac462939c28b50d53cc34eb36916ab3dce79e6fbcca990c2bd6fdd4c", kill_on_drop: false }`
[INFO] [stdout] 297c6d73ac462939c28b50d53cc34eb36916ab3dce79e6fbcca990c2bd6fdd4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+0d69e2d38d443a5f5bcd601fecce9431b3835c30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eba4d42b585aacf855d9dd7718a36faf74894d3d60e94187a455d8a9b6be6acd
[INFO] running `Command { std: "docker" "start" "-a" "eba4d42b585aacf855d9dd7718a36faf74894d3d60e94187a455d8a9b6be6acd", kill_on_drop: false }`
[INFO] [stderr]     Checking sparse-arrays v0.1.0 (/opt/rustwide/workdir/sparse-arrays)
[INFO] [stderr]     Checking counting-valleys v0.1.0 (/opt/rustwide/workdir/counting-valleys)
[INFO] [stderr]     Checking counting-sort v0.1.0 (/opt/rustwide/workdir/counting-sort)
[INFO] [stderr]     Checking grading-students v0.1.0 (/opt/rustwide/workdir/grading-students)
[INFO] [stderr]     Checking camel-case v0.1.0 (/opt/rustwide/workdir/camel-case)
[INFO] [stderr]     Checking lonely-integer v0.1.0 (/opt/rustwide/workdir/lonely-integer)
[INFO] [stderr]     Checking time-conversion v0.1.0 (/opt/rustwide/workdir/time-conversion)
[INFO] [stderr]     Checking flipping-bits v0.1.0 (/opt/rustwide/workdir/flipping-bits)
[INFO] [stdout] warning: unused variable: `steps`
[INFO] [stdout]  --> counting-valleys/src/main.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn counting_valleys(steps: i32, path: &str) -> i32 {
[INFO] [stdout]   |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_steps`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking plus-minus v0.1.0 (/opt/rustwide/workdir/plus-minus)
[INFO] [stderr]     Checking mini-max-sum v0.1.0 (/opt/rustwide/workdir/mini-max-sum)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> grading-students/src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let n = stdin_iterator.next().unwrap().unwrap().trim().parse::<i32>().unwrap();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking diagonal-difference v0.1.0 (/opt/rustwide/workdir/diagonal-difference)
[INFO] [stderr]     Checking breaking-records v0.1.0 (/opt/rustwide/workdir/breaking-records)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking mars-exploration v0.1.0 (/opt/rustwide/workdir/mars-exploration)
[INFO] [stderr]     Checking read-inputs v0.1.0 (/opt/rustwide/workdir/read-inputs)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> grading-students/src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let n = stdin_iterator.next().unwrap().unwrap().trim().parse::<i32>().unwrap();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking pangrams v0.1.0 (/opt/rustwide/workdir/pangrams)
[INFO] [stderr]     Checking divisible-sum-pairs v0.1.0 (/opt/rustwide/workdir/divisible-sum-pairs)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]  --> read-inputs/src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let n = stdin_iterator.next().unwrap().unwrap().trim().parse::<i32>().unwrap();
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `values`
[INFO] [stdout]  --> read-inputs/src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let values: Vec<i32> = stdin_iterator.next().unwrap().unwrap()
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/plus_minus-7baaa0610ca40176.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/plus-minus-7baaa0610ca40176/dep-test-bin-plus-minus`
[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] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/camel_case-463aca86c8ab5b0e.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/camel-case-463aca86c8ab5b0e/dep-bin-camel-case`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stdout] warning: unused variable: `steps`
[INFO] [stdout]  --> counting-valleys/src/main.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn counting_valleys(steps: i32, path: &str) -> i32 {
[INFO] [stdout]   |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_steps`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmeta5Ks9cB"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pangrams` (bin "pangrams" test) due to 1 previous error
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaRaPLd9"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetagnzPn4"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaEpv2Vf"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaNK6eof"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `divisible-sum-pairs` (bin "divisible-sum-pairs") due to 1 previous error
[INFO] [stderr] error: could not compile `counting-valleys` (bin "counting-valleys" test); 1 warning 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/0d69e2d38d443a5f5bcd601fecce9431b3835c30/bin/rustc --crate-name counting_valleys --edition=2021 counting-valleys/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)' --check-cfg 'cfg(feature, values())' -C metadata=e7e2ba5e882cabdb -C extra-filename=-e7e2ba5e882cabdb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] [stderr] error: could not compile `pangrams` (bin "pangrams") due to 1 previous error
[INFO] [stderr] error: could not compile `sparse-arrays` (bin "sparse-arrays") due to 1 previous error
[INFO] [stderr] error: could not compile `flipping-bits` (bin "flipping-bits" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "eba4d42b585aacf855d9dd7718a36faf74894d3d60e94187a455d8a9b6be6acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eba4d42b585aacf855d9dd7718a36faf74894d3d60e94187a455d8a9b6be6acd", kill_on_drop: false }`
[INFO] [stdout] eba4d42b585aacf855d9dd7718a36faf74894d3d60e94187a455d8a9b6be6acd