[INFO] cloning repository https://github.com/ujjwal3067/MapReduce_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ujjwal3067/MapReduce_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fujjwal3067%2FMapReduce_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fujjwal3067%2FMapReduce_Rust'...
[INFO] [stderr] error: unable to write symref for HEAD: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/ujjwal3067/MapReduce_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ujjwal3067/MapReduce_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fujjwal3067%2FMapReduce_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fujjwal3067%2FMapReduce_Rust'...
[INFO] [stderr] error: unable to write symref for HEAD: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/ujjwal3067/MapReduce_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ujjwal3067/MapReduce_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fujjwal3067%2FMapReduce_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fujjwal3067%2FMapReduce_Rust'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fujjwal3067%2FMapReduce_Rust/refs/tags: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 3)
[INFO] cloning repository https://github.com/ujjwal3067/MapReduce_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ujjwal3067/MapReduce_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fujjwal3067%2FMapReduce_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fujjwal3067%2FMapReduce_Rust'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fujjwal3067%2FMapReduce_Rust/refs/heads: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 4)
[INFO] cloning repository https://github.com/ujjwal3067/MapReduce_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ujjwal3067/MapReduce_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fujjwal3067%2FMapReduce_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fujjwal3067%2FMapReduce_Rust'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fujjwal3067%2FMapReduce_Rust/refs/heads: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 5)
[INFO] cloning repository https://github.com/ujjwal3067/MapReduce_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ujjwal3067/MapReduce_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fujjwal3067%2FMapReduce_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fujjwal3067%2FMapReduce_Rust'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fujjwal3067%2FMapReduce_Rust/refs/heads: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 6)
[INFO] cloning repository https://github.com/ujjwal3067/MapReduce_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ujjwal3067/MapReduce_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fujjwal3067%2FMapReduce_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fujjwal3067%2FMapReduce_Rust'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fujjwal3067%2FMapReduce_Rust/refs: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 7)
[INFO] cloning repository https://github.com/ujjwal3067/MapReduce_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ujjwal3067/MapReduce_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fujjwal3067%2FMapReduce_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fujjwal3067%2FMapReduce_Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 725adb18388434c263f3272c647149975cea85cf
[INFO] checking ujjwal3067/MapReduce_Rust against master#aa067fb984d36462548bb785da221bfaf38253f0 for pr-122470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fujjwal3067%2FMapReduce_Rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ujjwal3067/MapReduce_Rust on toolchain aa067fb984d36462548bb785da221bfaf38253f0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa067fb984d36462548bb785da221bfaf38253f0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ujjwal3067/MapReduce_Rust
[INFO] finished tweaking git repo https://github.com/ujjwal3067/MapReduce_Rust
[INFO] tweaked toml for git repo https://github.com/ujjwal3067/MapReduce_Rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ujjwal3067/MapReduce_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" "+aa067fb984d36462548bb785da221bfaf38253f0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aa067fb984d36462548bb785da221bfaf38253f0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 091ea3fe2c45b52ac41b91e4730ca414b5154ccbcef7db5df05b8e7593d77866
[INFO] running `Command { std: "docker" "start" "-a" "091ea3fe2c45b52ac41b91e4730ca414b5154ccbcef7db5df05b8e7593d77866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "091ea3fe2c45b52ac41b91e4730ca414b5154ccbcef7db5df05b8e7593d77866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "091ea3fe2c45b52ac41b91e4730ca414b5154ccbcef7db5df05b8e7593d77866", kill_on_drop: false }`
[INFO] [stdout] 091ea3fe2c45b52ac41b91e4730ca414b5154ccbcef7db5df05b8e7593d77866
[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 1
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking ujjwal3067/MapReduce_Rust against try#707d6562f55b55a7aab4ab3a904997116b358314 for pr-122470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fujjwal3067%2FMapReduce_Rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ujjwal3067/MapReduce_Rust on toolchain 707d6562f55b55a7aab4ab3a904997116b358314
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+707d6562f55b55a7aab4ab3a904997116b358314" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ujjwal3067/MapReduce_Rust
[INFO] finished tweaking git repo https://github.com/ujjwal3067/MapReduce_Rust
[INFO] tweaked toml for git repo https://github.com/ujjwal3067/MapReduce_Rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ujjwal3067/MapReduce_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" "+707d6562f55b55a7aab4ab3a904997116b358314" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+707d6562f55b55a7aab4ab3a904997116b358314" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e96c275569d50ac8921f54bc4b11c61d85bc47a1b30a5e49933eea3bef59c7f8
[INFO] running `Command { std: "docker" "start" "-a" "e96c275569d50ac8921f54bc4b11c61d85bc47a1b30a5e49933eea3bef59c7f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e96c275569d50ac8921f54bc4b11c61d85bc47a1b30a5e49933eea3bef59c7f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e96c275569d50ac8921f54bc4b11c61d85bc47a1b30a5e49933eea3bef59c7f8", kill_on_drop: false }`
[INFO] [stdout] e96c275569d50ac8921f54bc4b11c61d85bc47a1b30a5e49933eea3bef59c7f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+707d6562f55b55a7aab4ab3a904997116b358314" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f078a152dd8aa4291b1fb299e9dde739d11614ebe6b8c5b52f645a89b3556a3
[INFO] running `Command { std: "docker" "start" "-a" "9f078a152dd8aa4291b1fb299e9dde739d11614ebe6b8c5b52f645a89b3556a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking predicates-core v1.0.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking termtree v0.2.4
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/either-a47c202287a557d0.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/either-a47c202287a557d0/dep-lib-either`
[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] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaB7vygY"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `termtree` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `memchr` (build script)
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaEzHHhL"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `doc-comment` (build script)
[INFO] [stderr] error: could not compile `difflib` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `libc` (build script)
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaTbPTAc"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex-automata` (lib) 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/rmetahtdmlH"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `once_cell` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "9f078a152dd8aa4291b1fb299e9dde739d11614ebe6b8c5b52f645a89b3556a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f078a152dd8aa4291b1fb299e9dde739d11614ebe6b8c5b52f645a89b3556a3", kill_on_drop: false }`
[INFO] [stdout] 9f078a152dd8aa4291b1fb299e9dde739d11614ebe6b8c5b52f645a89b3556a3