[INFO] cloning repository https://github.com/dhruvkhai/Compress-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dhruvkhai/Compress-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhruvkhai%2FCompress-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhruvkhai%2FCompress-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a96c61e19432d1ab7ce7e23330e2a5c4920f93b1
[INFO] checking dhruvkhai/Compress-rust against master#4ecd70ddd1039a3954056c1071e40278048476fa for pr-137633
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhruvkhai%2FCompress-rust" "/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/dhruvkhai/Compress-rust on toolchain 4ecd70ddd1039a3954056c1071e40278048476fa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4ecd70ddd1039a3954056c1071e40278048476fa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dhruvkhai/Compress-rust
[INFO] finished tweaking git repo https://github.com/dhruvkhai/Compress-rust
[INFO] tweaked toml for git repo https://github.com/dhruvkhai/Compress-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dhruvkhai/Compress-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" "+4ecd70ddd1039a3954056c1071e40278048476fa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+4ecd70ddd1039a3954056c1071e40278048476fa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6cb43e0092697079d32546e6e7784a725de1ad0bc5a1ddd02c30c7dca05e9bbd
[INFO] running `Command { std: "docker" "start" "-a" "6cb43e0092697079d32546e6e7784a725de1ad0bc5a1ddd02c30c7dca05e9bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cb43e0092697079d32546e6e7784a725de1ad0bc5a1ddd02c30c7dca05e9bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cb43e0092697079d32546e6e7784a725de1ad0bc5a1ddd02c30c7dca05e9bbd", kill_on_drop: false }`
[INFO] [stdout] 6cb43e0092697079d32546e6e7784a725de1ad0bc5a1ddd02c30c7dca05e9bbd
[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" "+4ecd70ddd1039a3954056c1071e40278048476fa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5aacc4c79ce5b98e970f5ccf56fba79cfc4ea2d3364dcb3f531ce1fe9ec89b34
[INFO] running `Command { std: "docker" "start" "-a" "5aacc4c79ce5b98e970f5ccf56fba79cfc4ea2d3364dcb3f531ce1fe9ec89b34", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking flate2 v1.0.34
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/flate2-cddf38acd999abcf.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/flate2-cddf38acd999abcf/dep-lib-flate2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "5aacc4c79ce5b98e970f5ccf56fba79cfc4ea2d3364dcb3f531ce1fe9ec89b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aacc4c79ce5b98e970f5ccf56fba79cfc4ea2d3364dcb3f531ce1fe9ec89b34", kill_on_drop: false }`
[INFO] [stdout] 5aacc4c79ce5b98e970f5ccf56fba79cfc4ea2d3364dcb3f531ce1fe9ec89b34