[INFO] fetching crate prost-wkt 0.6.1...
[INFO] checking prost-wkt-0.6.1 against master#64b185eddaa1d7ddf5e0c024be23b9cbba6c1722 for pr-143929
[INFO] extracting crate prost-wkt 0.6.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate prost-wkt 0.6.1
[INFO] finished tweaking crates.io crate prost-wkt 0.6.1
[INFO] tweaked toml for crates.io crate prost-wkt 0.6.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate prost-wkt 0.6.1 on toolchain 64b185eddaa1d7ddf5e0c024be23b9cbba6c1722
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate prost-wkt 0.6.1 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" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7e4bb7e403156629adc0ef257745c26baf16c497a98e801b5542162be8c5516
[INFO] running `Command { std: "docker" "start" "-a" "e7e4bb7e403156629adc0ef257745c26baf16c497a98e801b5542162be8c5516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7e4bb7e403156629adc0ef257745c26baf16c497a98e801b5542162be8c5516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7e4bb7e403156629adc0ef257745c26baf16c497a98e801b5542162be8c5516", kill_on_drop: false }`
[INFO] [stdout] e7e4bb7e403156629adc0ef257745c26baf16c497a98e801b5542162be8c5516
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcb563de42b07481fcacfebd2240f7886337cc592a07a98a2794bf8562af0d5f
[INFO] running `Command { std: "docker" "start" "-a" "bcb563de42b07481fcacfebd2240f7886337cc592a07a98a2794bf8562af0d5f", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug/build/num-traits-e133e48c3da0ae57/out`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "bcb563de42b07481fcacfebd2240f7886337cc592a07a98a2794bf8562af0d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcb563de42b07481fcacfebd2240f7886337cc592a07a98a2794bf8562af0d5f", kill_on_drop: false }`
[INFO] [stdout] bcb563de42b07481fcacfebd2240f7886337cc592a07a98a2794bf8562af0d5f