[INFO] cloning repository https://github.com/cirruslabs/softnet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cirruslabs/softnet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcirruslabs%2Fsoftnet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcirruslabs%2Fsoftnet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e42ef5150a36074d3d207c371dde3da610c04557
[INFO] checking cirruslabs/softnet against master#8365fcb2b840c95eeb0bc377af8bd498fad22245 for pr-145605
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcirruslabs%2Fsoftnet" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/cirruslabs/softnet
[INFO] finished tweaking git repo https://github.com/cirruslabs/softnet
[INFO] tweaked toml for git repo https://github.com/cirruslabs/softnet written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cirruslabs/softnet on toolchain 8365fcb2b840c95eeb0bc377af8bd498fad22245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cirruslabs/softnet 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" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/bluecatengineering/dhcproto.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vmnet-derive v0.4.2
[INFO] [stderr]   Downloaded hexdump v0.1.2
[INFO] [stderr]   Downloaded uzers v0.12.1
[INFO] [stderr]   Downloaded sentry v0.42.0
[INFO] [stderr]   Downloaded privdrop v0.5.6
[INFO] [stderr]   Downloaded sentry-types v0.42.0
[INFO] [stderr]   Downloaded oslog v0.2.0
[INFO] [stderr]   Downloaded sentry-contexts v0.42.0
[INFO] [stderr]   Downloaded sentry-actix v0.42.0
[INFO] [stderr]   Downloaded sentry-tracing v0.42.0
[INFO] [stderr]   Downloaded sentry-debug-images v0.42.0
[INFO] [stderr]   Downloaded sentry-panic v0.42.0
[INFO] [stderr]   Downloaded sentry-anyhow v0.42.0
[INFO] [stderr]   Downloaded vmnet v0.4.2
[INFO] [stderr]   Downloaded prefix-trie v0.8.1
[INFO] [stderr]   Downloaded sentry-core v0.42.0
[INFO] [stderr]   Downloaded sentry-backtrace v0.42.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bce70f12cd1aa750a0b3b5e8b6be5bab0b4723125e3da6ee0f25cc2837e3ed5
[INFO] running `Command { std: "docker" "start" "-a" "2bce70f12cd1aa750a0b3b5e8b6be5bab0b4723125e3da6ee0f25cc2837e3ed5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bce70f12cd1aa750a0b3b5e8b6be5bab0b4723125e3da6ee0f25cc2837e3ed5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bce70f12cd1aa750a0b3b5e8b6be5bab0b4723125e3da6ee0f25cc2837e3ed5", kill_on_drop: false }`
[INFO] [stdout] 2bce70f12cd1aa750a0b3b5e8b6be5bab0b4723125e3da6ee0f25cc2837e3ed5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f13050698dc05cf3fb0f31616f5d1cf1079365a5147b64c12d3e97428e24d535
[INFO] running `Command { std: "docker" "start" "-a" "f13050698dc05cf3fb0f31616f5d1cf1079365a5147b64c12d3e97428e24d535", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: failed to create task for container: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: error during container init: error mounting "/var/lib/crater-agent-workspace/cargo-home" to rootfs at "/opt/rustwide/cargo-home": create mountpoint for /opt/rustwide/cargo-home mount: mkdirat /var/lib/docker/overlay2/a8c7ad8667388218649b376a52c68747307e4979762be8e096d492d98ad65011/merged/opt/rustwide/cargo-home: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "f13050698dc05cf3fb0f31616f5d1cf1079365a5147b64c12d3e97428e24d535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f13050698dc05cf3fb0f31616f5d1cf1079365a5147b64c12d3e97428e24d535", kill_on_drop: false }`
[INFO] [stdout] f13050698dc05cf3fb0f31616f5d1cf1079365a5147b64c12d3e97428e24d535