[INFO] cloning repository https://github.com/vishnuMohanan01/revera_os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vishnuMohanan01/revera_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FvishnuMohanan01%2Frevera_os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FvishnuMohanan01%2Frevera_os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e1860790e52fb0d131537d6ba0f8e5979ccc1d4
[INFO] checking vishnuMohanan01/revera_os against master#9f48dedc9763334a587c66558974635807a113ed for pr-137394
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FvishnuMohanan01%2Frevera_os" "/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/vishnuMohanan01/revera_os on toolchain 9f48dedc9763334a587c66558974635807a113ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f48dedc9763334a587c66558974635807a113ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/vishnuMohanan01/revera_os
[INFO] finished tweaking git repo https://github.com/vishnuMohanan01/revera_os
[INFO] tweaked toml for git repo https://github.com/vishnuMohanan01/revera_os written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/vishnuMohanan01/revera_os 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" "+9f48dedc9763334a587c66558974635807a113ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] [stderr]       Adding bootloader v0.9.30 (available: v0.11.10)
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9f48dedc9763334a587c66558974635807a113ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78cdd7afa3a3cd7384b00b2bce2862cb44ccd80a4d71ebefd6437371ad3c7993
[INFO] running `Command { std: "docker" "start" "-a" "78cdd7afa3a3cd7384b00b2bce2862cb44ccd80a4d71ebefd6437371ad3c7993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78cdd7afa3a3cd7384b00b2bce2862cb44ccd80a4d71ebefd6437371ad3c7993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78cdd7afa3a3cd7384b00b2bce2862cb44ccd80a4d71ebefd6437371ad3c7993", kill_on_drop: false }`
[INFO] [stdout] 78cdd7afa3a3cd7384b00b2bce2862cb44ccd80a4d71ebefd6437371ad3c7993
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9f48dedc9763334a587c66558974635807a113ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fe13c02c404e16bd9cc36bbbf0459a1062dbb80fc493f69b4d4fa62fff8464a
[INFO] running `Command { std: "docker" "start" "-a" "4fe13c02c404e16bd9cc36bbbf0459a1062dbb80fc493f69b4d4fa62fff8464a", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/7d600e47fe2716dc7bf1d6aae03be2e02053f48ee123a83f2ed0d1837199f7a9/merged: no space left on device
[INFO] running `Command { std: "docker" "inspect" "4fe13c02c404e16bd9cc36bbbf0459a1062dbb80fc493f69b4d4fa62fff8464a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fe13c02c404e16bd9cc36bbbf0459a1062dbb80fc493f69b4d4fa62fff8464a", kill_on_drop: false }`
[INFO] [stdout] 4fe13c02c404e16bd9cc36bbbf0459a1062dbb80fc493f69b4d4fa62fff8464a